Add m-esr52 at 52.6.0

17 files changed, 6207 insertions, 0 deletions

diff --git a/services/fxaccounts/tests/xpcshell/head.js b/services/fxaccounts/tests/xpcshell/head.js
new file mode 100644
index 0000000000..ed70fdac5e
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/head.js
@@ -0,0 +1,18 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+var {classes: Cc, interfaces: Ci, results: Cr, utils: Cu} = Components;
+
+"use strict";
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+(function initFxAccountsTestingInfrastructure() {
+  do_get_profile();
+
+  let ns = {};
+  Cu.import("resource://testing-common/services/common/logging.js", ns);
+
+  ns.initTestLogging("Trace");
+}).call(this);
+
diff --git a/services/fxaccounts/tests/xpcshell/test_accounts.js b/services/fxaccounts/tests/xpcshell/test_accounts.js
new file mode 100644
index 0000000000..d6139a0765
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_accounts.js
@@ -0,0 +1,1531 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://services-common/utils.js");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/FxAccounts.jsm");
+Cu.import("resource://gre/modules/FxAccountsClient.jsm");
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/FxAccountsOAuthGrantClient.jsm");
+Cu.import("resource://gre/modules/Promise.jsm");
+Cu.import("resource://gre/modules/Log.jsm");
+
+// We grab some additional stuff via backstage passes.
+var {AccountState} = Cu.import("resource://gre/modules/FxAccounts.jsm", {});
+
+const ONE_HOUR_MS = 1000 * 60 * 60;
+const ONE_DAY_MS = ONE_HOUR_MS * 24;
+const TWO_MINUTES_MS = 1000 * 60 * 2;
+
+initTestLogging("Trace");
+
+// XXX until bug 937114 is fixed
+Cu.importGlobalProperties(['atob']);
+
+var log = Log.repository.getLogger("Services.FxAccounts.test");
+log.level = Log.Level.Debug;
+
+// See verbose logging from FxAccounts.jsm
+Services.prefs.setCharPref("identity.fxaccounts.loglevel", "Trace");
+Log.repository.getLogger("FirefoxAccounts").level = Log.Level.Trace;
+
+// The oauth server is mocked, but set these prefs to pass param checks
+Services.prefs.setCharPref("identity.fxaccounts.remote.oauth.uri", "https://example.com/v1");
+Services.prefs.setCharPref("identity.fxaccounts.oauth.client_id", "abc123");
+
+
+const PROFILE_SERVER_URL = "http://example.com/v1";
+const CONTENT_URL = "http://accounts.example.com/";
+
+Services.prefs.setCharPref("identity.fxaccounts.remote.profile.uri", PROFILE_SERVER_URL);
+Services.prefs.setCharPref("identity.fxaccounts.settings.uri", CONTENT_URL);
+
+/*
+ * The FxAccountsClient communicates with the remote Firefox
+ * Accounts auth server.  Mock the server calls, with a little
+ * lag time to simulate some latency.
+ *
+ * We add the _verified attribute to mock the change in verification
+ * state on the FXA server.
+ */
+
+function MockStorageManager() {
+}
+
+MockStorageManager.prototype = {
+  promiseInitialized: Promise.resolve(),
+
+  initialize(accountData) {
+    this.accountData = accountData;
+  },
+
+  finalize() {
+    return Promise.resolve();
+  },
+
+  getAccountData() {
+    return Promise.resolve(this.accountData);
+  },
+
+  updateAccountData(updatedFields) {
+    for (let [name, value] of Object.entries(updatedFields)) {
+      if (value == null) {
+        delete this.accountData[name];
+      } else {
+        this.accountData[name] = value;
+      }
+    }
+    return Promise.resolve();
+  },
+
+  deleteAccountData() {
+    this.accountData = null;
+    return Promise.resolve();
+  }
+}
+
+function MockFxAccountsClient() {
+  this._email = "nobody@example.com";
+  this._verified = false;
+  this._deletedOnServer = false; // for testing accountStatus
+
+  // mock calls up to the auth server to determine whether the
+  // user account has been verified
+  this.recoveryEmailStatus = function (sessionToken) {
+    // simulate a call to /recovery_email/status
+    return Promise.resolve({
+      email: this._email,
+      verified: this._verified
+    });
+  };
+
+  this.accountStatus = function(uid) {
+    let deferred = Promise.defer();
+    deferred.resolve(!!uid && (!this._deletedOnServer));
+    return deferred.promise;
+  };
+
+  this.accountKeys = function (keyFetchToken) {
+    let deferred = Promise.defer();
+
+    do_timeout(50, () => {
+      let response = {
+        kA: expandBytes("11"),
+        wrapKB: expandBytes("22")
+      };
+      deferred.resolve(response);
+    });
+    return deferred.promise;
+  };
+
+  this.resendVerificationEmail = function(sessionToken) {
+    // Return the session token to show that we received it in the first place
+    return Promise.resolve(sessionToken);
+  };
+
+  this.signCertificate = function() { throw "no" };
+
+  this.signOut = () => Promise.resolve();
+  this.signOutAndDestroyDevice = () => Promise.resolve({});
+
+  FxAccountsClient.apply(this);
+}
+MockFxAccountsClient.prototype = {
+  __proto__: FxAccountsClient.prototype
+}
+
+/*
+ * We need to mock the FxAccounts module's interfaces to external
+ * services, such as storage and the FxAccounts client.  We also
+ * mock the now() method, so that we can simulate the passing of
+ * time and verify that signatures expire correctly.
+ */
+function MockFxAccounts() {
+  return new FxAccounts({
+    VERIFICATION_POLL_TIMEOUT_INITIAL: 100, // 100ms
+
+    _getCertificateSigned_calls: [],
+    _d_signCertificate: Promise.defer(),
+    _now_is: new Date(),
+    now: function () {
+      return this._now_is;
+    },
+    newAccountState(credentials) {
+      // we use a real accountState but mocked storage.
+      let storage = new MockStorageManager();
+      storage.initialize(credentials);
+      return new AccountState(storage);
+    },
+    getCertificateSigned: function (sessionToken, serializedPublicKey) {
+      _("mock getCertificateSigned\n");
+      this._getCertificateSigned_calls.push([sessionToken, serializedPublicKey]);
+      return this._d_signCertificate.promise;
+    },
+    _registerOrUpdateDevice() {
+      return Promise.resolve();
+    },
+    fxAccountsClient: new MockFxAccountsClient()
+  });
+}
+
+/*
+ * Some tests want a "real" fxa instance - however, we still mock the storage
+ * to keep the tests fast on b2g.
+ */
+function MakeFxAccounts(internal = {}) {
+  if (!internal.newAccountState) {
+    // we use a real accountState but mocked storage.
+    internal.newAccountState = function(credentials) {
+      let storage = new MockStorageManager();
+      storage.initialize(credentials);
+      return new AccountState(storage);
+    };
+  }
+  if (!internal._signOutServer) {
+    internal._signOutServer = () => Promise.resolve();
+  }
+  if (!internal._registerOrUpdateDevice) {
+    internal._registerOrUpdateDevice = () => Promise.resolve();
+  }
+  return new FxAccounts(internal);
+}
+
+add_task(function* test_non_https_remote_server_uri_with_requireHttps_false() {
+  Services.prefs.setBoolPref(
+    "identity.fxaccounts.allowHttp",
+    true);
+  Services.prefs.setCharPref(
+    "identity.fxaccounts.remote.signup.uri",
+    "http://example.com/browser/browser/base/content/test/general/accounts_testRemoteCommands.html");
+  do_check_eq(yield fxAccounts.promiseAccountsSignUpURI(),
+              "http://example.com/browser/browser/base/content/test/general/accounts_testRemoteCommands.html");
+
+  Services.prefs.clearUserPref("identity.fxaccounts.remote.signup.uri");
+  Services.prefs.clearUserPref("identity.fxaccounts.allowHttp");
+});
+
+add_task(function* test_non_https_remote_server_uri() {
+  Services.prefs.setCharPref(
+    "identity.fxaccounts.remote.signup.uri",
+    "http://example.com/browser/browser/base/content/test/general/accounts_testRemoteCommands.html");
+  rejects(fxAccounts.promiseAccountsSignUpURI(), null, "Firefox Accounts server must use HTTPS");
+  Services.prefs.clearUserPref("identity.fxaccounts.remote.signup.uri");
+});
+
+add_task(function* test_get_signed_in_user_initially_unset() {
+  _("Check getSignedInUser initially and after signout reports no user");
+  let account = MakeFxAccounts();
+  let credentials = {
+    email: "foo@example.com",
+    uid: "1234@lcip.org",
+    assertion: "foobar",
+    sessionToken: "dead",
+    kA: "beef",
+    kB: "cafe",
+    verified: true
+  };
+  let result = yield account.getSignedInUser();
+  do_check_eq(result, null);
+
+  yield account.setSignedInUser(credentials);
+  let histogram = Services.telemetry.getHistogramById("FXA_CONFIGURED");
+  do_check_eq(histogram.snapshot().sum, 1);
+  histogram.clear();
+
+  result = yield account.getSignedInUser();
+  do_check_eq(result.email, credentials.email);
+  do_check_eq(result.assertion, credentials.assertion);
+  do_check_eq(result.kB, credentials.kB);
+
+  // Delete the memory cache and force the user
+  // to be read and parsed from storage (e.g. disk via JSONStorage).
+  delete account.internal.signedInUser;
+  result = yield account.getSignedInUser();
+  do_check_eq(result.email, credentials.email);
+  do_check_eq(result.assertion, credentials.assertion);
+  do_check_eq(result.kB, credentials.kB);
+
+  // sign out
+  let localOnly = true;
+  yield account.signOut(localOnly);
+
+  // user should be undefined after sign out
+  result = yield account.getSignedInUser();
+  do_check_eq(result, null);
+});
+
+add_task(function* test_update_account_data() {
+  _("Check updateUserAccountData does the right thing.");
+  let account = MakeFxAccounts();
+  let credentials = {
+    email: "foo@example.com",
+    uid: "1234@lcip.org",
+    assertion: "foobar",
+    sessionToken: "dead",
+    kA: "beef",
+    kB: "cafe",
+    verified: true
+  };
+  yield account.setSignedInUser(credentials);
+
+  let newCreds = {
+    email: credentials.email,
+    uid: credentials.uid,
+    assertion: "new_assertion",
+  }
+  yield account.updateUserAccountData(newCreds);
+  do_check_eq((yield account.getSignedInUser()).assertion, "new_assertion",
+              "new field value was saved");
+
+  // but we should fail attempting to change email or uid.
+  newCreds = {
+    email: "someoneelse@example.com",
+    uid: credentials.uid,
+    assertion: "new_assertion",
+  }
+  yield Assert.rejects(account.updateUserAccountData(newCreds));
+  newCreds = {
+    email: credentials.email,
+    uid: "another_uid",
+    assertion: "new_assertion",
+  }
+  yield Assert.rejects(account.updateUserAccountData(newCreds));
+
+  // should fail without email or uid.
+  newCreds = {
+    assertion: "new_assertion",
+  }
+  yield Assert.rejects(account.updateUserAccountData(newCreds));
+
+  // and should fail with a field name that's not known by storage.
+  newCreds = {
+    email: credentials.email,
+    uid: "another_uid",
+    foo: "bar",
+  }
+  yield Assert.rejects(account.updateUserAccountData(newCreds));
+});
+
+add_task(function* test_getCertificateOffline() {
+  _("getCertificateOffline()");
+  let fxa = MakeFxAccounts();
+  let credentials = {
+    email: "foo@example.com",
+    uid: "1234@lcip.org",
+    sessionToken: "dead",
+    verified: true,
+  };
+
+  yield fxa.setSignedInUser(credentials);
+
+  // Test that an expired cert throws if we're offline.
+  let offline = Services.io.offline;
+  Services.io.offline = true;
+  yield fxa.internal.getKeypairAndCertificate(fxa.internal.currentAccountState).then(
+    result => {
+      Services.io.offline = offline;
+      do_throw("Unexpected success");
+    },
+    err => {
+      Services.io.offline = offline;
+      // ... so we have to check the error string.
+      do_check_eq(err, "Error: OFFLINE");
+    }
+  );
+  yield fxa.signOut(/*localOnly = */true);
+});
+
+add_task(function* test_getCertificateCached() {
+  _("getCertificateCached()");
+  let fxa = MakeFxAccounts();
+  let credentials = {
+    email: "foo@example.com",
+    uid: "1234@lcip.org",
+    sessionToken: "dead",
+    verified: true,
+    // A cached keypair and cert that remain valid.
+    keyPair: {
+      validUntil: Date.now() + KEY_LIFETIME + 10000,
+      rawKeyPair: "good-keypair",
+    },
+    cert: {
+      validUntil: Date.now() + CERT_LIFETIME + 10000,
+      rawCert: "good-cert",
+    },
+  };
+
+  yield fxa.setSignedInUser(credentials);
+  let {keyPair, certificate} = yield fxa.internal.getKeypairAndCertificate(fxa.internal.currentAccountState);
+  // should have the same keypair and cert.
+  do_check_eq(keyPair, credentials.keyPair.rawKeyPair);
+  do_check_eq(certificate, credentials.cert.rawCert);
+  yield fxa.signOut(/*localOnly = */true);
+});
+
+add_task(function* test_getCertificateExpiredCert() {
+  _("getCertificateExpiredCert()");
+  let fxa = MakeFxAccounts({
+    getCertificateSigned() {
+      return "new cert";
+    }
+  });
+  let credentials = {
+    email: "foo@example.com",
+    uid: "1234@lcip.org",
+    sessionToken: "dead",
+    verified: true,
+    // A cached keypair that remains valid.
+    keyPair: {
+      validUntil: Date.now() + KEY_LIFETIME + 10000,
+      rawKeyPair: "good-keypair",
+    },
+    // A cached certificate which has expired.
+    cert: {
+      validUntil: Date.parse("Mon, 13 Jan 2000 21:45:06 GMT"),
+      rawCert: "expired-cert",
+    },
+  };
+  yield fxa.setSignedInUser(credentials);
+  let {keyPair, certificate} = yield fxa.internal.getKeypairAndCertificate(fxa.internal.currentAccountState);
+  // should have the same keypair but a new cert.
+  do_check_eq(keyPair, credentials.keyPair.rawKeyPair);
+  do_check_neq(certificate, credentials.cert.rawCert);
+  yield fxa.signOut(/*localOnly = */true);
+});
+
+add_task(function* test_getCertificateExpiredKeypair() {
+  _("getCertificateExpiredKeypair()");
+  let fxa = MakeFxAccounts({
+    getCertificateSigned() {
+      return "new cert";
+    },
+  });
+  let credentials = {
+    email: "foo@example.com",
+    uid: "1234@lcip.org",
+    sessionToken: "dead",
+    verified: true,
+    // A cached keypair that has expired.
+    keyPair: {
+      validUntil: Date.now() - 1000,
+      rawKeyPair: "expired-keypair",
+    },
+    // A cached certificate which remains valid.
+    cert: {
+      validUntil: Date.now() + CERT_LIFETIME + 10000,
+      rawCert: "expired-cert",
+    },
+  };
+
+  yield fxa.setSignedInUser(credentials);
+  let {keyPair, certificate} = yield fxa.internal.getKeypairAndCertificate(fxa.internal.currentAccountState);
+  // even though the cert was valid, the fact the keypair was not means we
+  // should have fetched both.
+  do_check_neq(keyPair, credentials.keyPair.rawKeyPair);
+  do_check_neq(certificate, credentials.cert.rawCert);
+  yield fxa.signOut(/*localOnly = */true);
+});
+
+// Sanity-check that our mocked client is working correctly
+add_test(function test_client_mock() {
+  let fxa = new MockFxAccounts();
+  let client = fxa.internal.fxAccountsClient;
+  do_check_eq(client._verified, false);
+  do_check_eq(typeof client.signIn, "function");
+
+  // The recoveryEmailStatus function eventually fulfills its promise
+  client.recoveryEmailStatus()
+    .then(response => {
+      do_check_eq(response.verified, false);
+      run_next_test();
+    });
+});
+
+// Sign in a user, and after a little while, verify the user's email.
+// Right after signing in the user, we should get the 'onlogin' notification.
+// Polling should detect that the email is verified, and eventually
+// 'onverified' should be observed
+add_test(function test_verification_poll() {
+  let fxa = new MockFxAccounts();
+  let test_user = getTestUser("francine");
+  let login_notification_received = false;
+
+  makeObserver(ONVERIFIED_NOTIFICATION, function() {
+    log.debug("test_verification_poll observed onverified");
+    // Once email verification is complete, we will observe onverified
+    fxa.internal.getUserAccountData().then(user => {
+      // And confirm that the user's state has changed
+      do_check_eq(user.verified, true);
+      do_check_eq(user.email, test_user.email);
+      do_check_true(login_notification_received);
+      run_next_test();
+    });
+  });
+
+  makeObserver(ONLOGIN_NOTIFICATION, function() {
+    log.debug("test_verification_poll observer onlogin");
+    login_notification_received = true;
+  });
+
+  fxa.setSignedInUser(test_user).then(() => {
+    fxa.internal.getUserAccountData().then(user => {
+      // The user is signing in, but email has not been verified yet
+      do_check_eq(user.verified, false);
+      do_timeout(200, function() {
+        log.debug("Mocking verification of francine's email");
+        fxa.internal.fxAccountsClient._email = test_user.email;
+        fxa.internal.fxAccountsClient._verified = true;
+      });
+    });
+  });
+});
+
+// Sign in the user, but never verify the email.  The check-email
+// poll should time out.  No verifiedlogin event should be observed, and the
+// internal whenVerified promise should be rejected
+add_test(function test_polling_timeout() {
+  // This test could be better - the onverified observer might fire on
+  // somebody else's stack, and we're not making sure that we're not receiving
+  // such a message. In other words, this tests either failure, or success, but
+  // not both.
+
+  let fxa = new MockFxAccounts();
+  let test_user = getTestUser("carol");
+
+  let removeObserver = makeObserver(ONVERIFIED_NOTIFICATION, function() {
+    do_throw("We should not be getting a login event!");
+  });
+
+  fxa.internal.POLL_SESSION = 1;
+
+  let p = fxa.internal.whenVerified({});
+
+  fxa.setSignedInUser(test_user).then(() => {
+    p.then(
+      (success) => {
+        do_throw("this should not succeed");
+      },
+      (fail) => {
+        removeObserver();
+        fxa.signOut().then(run_next_test);
+      }
+    );
+  });
+});
+
+add_test(function test_getKeys() {
+  let fxa = new MockFxAccounts();
+  let user = getTestUser("eusebius");
+
+  // Once email has been verified, we will be able to get keys
+  user.verified = true;
+
+  fxa.setSignedInUser(user).then(() => {
+    fxa.getSignedInUser().then((user) => {
+      // Before getKeys, we have no keys
+      do_check_eq(!!user.kA, false);
+      do_check_eq(!!user.kB, false);
+      // And we still have a key-fetch token and unwrapBKey to use
+      do_check_eq(!!user.keyFetchToken, true);
+      do_check_eq(!!user.unwrapBKey, true);
+
+      fxa.internal.getKeys().then(() => {
+        fxa.getSignedInUser().then((user) => {
+          // Now we should have keys
+          do_check_eq(fxa.internal.isUserEmailVerified(user), true);
+          do_check_eq(!!user.verified, true);
+          do_check_eq(user.kA, expandHex("11"));
+          do_check_eq(user.kB, expandHex("66"));
+          do_check_eq(user.keyFetchToken, undefined);
+          do_check_eq(user.unwrapBKey, undefined);
+          run_next_test();
+        });
+      });
+    });
+  });
+});
+
+add_task(function* test_getKeys_nonexistent_account() {
+  let fxa = new MockFxAccounts();
+  let bismarck = getTestUser("bismarck");
+
+  let client = fxa.internal.fxAccountsClient;
+  client.accountStatus = () => Promise.resolve(false);
+  client.accountKeys = () => {
+    return Promise.reject({
+      code: 401,
+      errno: ERRNO_INVALID_AUTH_TOKEN,
+    });
+  };
+
+  yield fxa.setSignedInUser(bismarck);
+
+  let promiseLogout = new Promise(resolve => {
+    makeObserver(ONLOGOUT_NOTIFICATION, function() {
+      log.debug("test_getKeys_nonexistent_account observed logout");
+      resolve();
+    });
+  });
+
+  try {
+    yield fxa.internal.getKeys();
+    do_check_true(false);
+  } catch (err) {
+    do_check_eq(err.code, 401);
+    do_check_eq(err.errno, ERRNO_INVALID_AUTH_TOKEN);
+  }
+
+  yield promiseLogout;
+
+  let user = yield fxa.internal.getUserAccountData();
+  do_check_eq(user, null);
+});
+
+// getKeys with invalid keyFetchToken should delete keyFetchToken from storage
+add_task(function* test_getKeys_invalid_token() {
+  let fxa = new MockFxAccounts();
+  let yusuf = getTestUser("yusuf");
+
+  let client = fxa.internal.fxAccountsClient;
+  client.accountStatus = () => Promise.resolve(true);
+  client.accountKeys = () => {
+    return Promise.reject({
+      code: 401,
+      errno: ERRNO_INVALID_AUTH_TOKEN,
+    });
+  };
+
+  yield fxa.setSignedInUser(yusuf);
+
+  try {
+    yield fxa.internal.getKeys();
+    do_check_true(false);
+  } catch (err) {
+    do_check_eq(err.code, 401);
+    do_check_eq(err.errno, ERRNO_INVALID_AUTH_TOKEN);
+  }
+
+  let user = yield fxa.internal.getUserAccountData();
+  do_check_eq(user.email, yusuf.email);
+  do_check_eq(user.keyFetchToken, null);
+});
+
+//  fetchAndUnwrapKeys with no keyFetchToken should trigger signOut
+add_test(function test_fetchAndUnwrapKeys_no_token() {
+  let fxa = new MockFxAccounts();
+  let user = getTestUser("lettuce.protheroe");
+  delete user.keyFetchToken
+
+  makeObserver(ONLOGOUT_NOTIFICATION, function() {
+    log.debug("test_fetchAndUnwrapKeys_no_token observed logout");
+    fxa.internal.getUserAccountData().then(user => {
+      run_next_test();
+    });
+  });
+
+  fxa.setSignedInUser(user).then(
+    user => {
+      return fxa.internal.fetchAndUnwrapKeys();
+    }
+  ).then(
+    null,
+    error => {
+      log.info("setSignedInUser correctly rejected");
+    }
+  )
+});
+
+// Alice (User A) signs up but never verifies her email.  Then Bob (User B)
+// signs in with a verified email.  Ensure that no sign-in events are triggered
+// on Alice's behalf.  In the end, Bob should be the signed-in user.
+add_test(function test_overlapping_signins() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  let bob = getTestUser("bob");
+
+  makeObserver(ONVERIFIED_NOTIFICATION, function() {
+    log.debug("test_overlapping_signins observed onverified");
+    // Once email verification is complete, we will observe onverified
+    fxa.internal.getUserAccountData().then(user => {
+      do_check_eq(user.email, bob.email);
+      do_check_eq(user.verified, true);
+      run_next_test();
+    });
+  });
+
+  // Alice is the user signing in; her email is unverified.
+  fxa.setSignedInUser(alice).then(() => {
+    log.debug("Alice signing in ...");
+    fxa.internal.getUserAccountData().then(user => {
+      do_check_eq(user.email, alice.email);
+      do_check_eq(user.verified, false);
+      log.debug("Alice has not verified her email ...");
+
+      // Now Bob signs in instead and actually verifies his email
+      log.debug("Bob signing in ...");
+      fxa.setSignedInUser(bob).then(() => {
+        do_timeout(200, function() {
+          // Mock email verification ...
+          log.debug("Bob verifying his email ...");
+          fxa.internal.fxAccountsClient._verified = true;
+        });
+      });
+    });
+  });
+});
+
+add_task(function* test_getAssertion_invalid_token() {
+  let fxa = new MockFxAccounts();
+
+  let client = fxa.internal.fxAccountsClient;
+  client.accountStatus = () => Promise.resolve(true);
+
+  let creds = {
+    sessionToken: "sessionToken",
+    kA: expandHex("11"),
+    kB: expandHex("66"),
+    verified: true,
+    email: "sonia@example.com",
+  };
+  yield fxa.setSignedInUser(creds);
+
+  try {
+    let promiseAssertion = fxa.getAssertion("audience.example.com");
+    fxa.internal._d_signCertificate.reject({
+      code: 401,
+      errno: ERRNO_INVALID_AUTH_TOKEN,
+    });
+    yield promiseAssertion;
+    do_check_true(false, "getAssertion should reject invalid session token");
+  } catch (err) {
+    do_check_eq(err.code, 401);
+    do_check_eq(err.errno, ERRNO_INVALID_AUTH_TOKEN);
+  }
+
+  let user = yield fxa.internal.getUserAccountData();
+  do_check_eq(user.email, creds.email);
+  do_check_eq(user.sessionToken, null);
+});
+
+add_task(function* test_getAssertion() {
+  let fxa = new MockFxAccounts();
+
+  do_check_throws(function* () {
+    yield fxa.getAssertion("nonaudience");
+  });
+
+  let creds = {
+    sessionToken: "sessionToken",
+    kA: expandHex("11"),
+    kB: expandHex("66"),
+    verified: true
+  };
+  // By putting kA/kB/verified in "creds", we skip ahead
+  // to the "we're ready" stage.
+  yield fxa.setSignedInUser(creds);
+
+  _("== ready to go\n");
+  // Start with a nice arbitrary but realistic date.  Here we use a nice RFC
+  // 1123 date string like we would get from an HTTP header. Over the course of
+  // the test, we will update 'now', but leave 'start' where it is.
+  let now = Date.parse("Mon, 13 Jan 2014 21:45:06 GMT");
+  let start = now;
+  fxa.internal._now_is = now;
+
+  let d = fxa.getAssertion("audience.example.com");
+  // At this point, a thread has been spawned to generate the keys.
+  _("-- back from fxa.getAssertion\n");
+  fxa.internal._d_signCertificate.resolve("cert1");
+  let assertion = yield d;
+  do_check_eq(fxa.internal._getCertificateSigned_calls.length, 1);
+  do_check_eq(fxa.internal._getCertificateSigned_calls[0][0], "sessionToken");
+  do_check_neq(assertion, null);
+  _("ASSERTION: " + assertion + "\n");
+  let pieces = assertion.split("~");
+  do_check_eq(pieces[0], "cert1");
+  let userData = yield fxa.getSignedInUser();
+  let keyPair = userData.keyPair;
+  let cert = userData.cert;
+  do_check_neq(keyPair, undefined);
+  _(keyPair.validUntil + "\n");
+  let p2 = pieces[1].split(".");
+  let header = JSON.parse(atob(p2[0]));
+  _("HEADER: " + JSON.stringify(header) + "\n");
+  do_check_eq(header.alg, "DS128");
+  let payload = JSON.parse(atob(p2[1]));
+  _("PAYLOAD: " + JSON.stringify(payload) + "\n");
+  do_check_eq(payload.aud, "audience.example.com");
+  do_check_eq(keyPair.validUntil, start + KEY_LIFETIME);
+  do_check_eq(cert.validUntil, start + CERT_LIFETIME);
+  _("delta: " + Date.parse(payload.exp - start) + "\n");
+  let exp = Number(payload.exp);
+
+  do_check_eq(exp, now + ASSERTION_LIFETIME);
+
+  // Reset for next call.
+  fxa.internal._d_signCertificate = Promise.defer();
+
+  // Getting a new assertion "soon" (i.e., w/o incrementing "now"), even for
+  // a new audience, should not provoke key generation or a signing request.
+  assertion = yield fxa.getAssertion("other.example.com");
+
+  // There were no additional calls - same number of getcert calls as before
+  do_check_eq(fxa.internal._getCertificateSigned_calls.length, 1);
+
+  // Wait an hour; assertion use period expires, but not the certificate
+  now += ONE_HOUR_MS;
+  fxa.internal._now_is = now;
+
+  // This won't block on anything - will make an assertion, but not get a
+  // new certificate.
+  assertion = yield fxa.getAssertion("third.example.com");
+
+  // Test will time out if that failed (i.e., if that had to go get a new cert)
+  pieces = assertion.split("~");
+  do_check_eq(pieces[0], "cert1");
+  p2 = pieces[1].split(".");
+  header = JSON.parse(atob(p2[0]));
+  payload = JSON.parse(atob(p2[1]));
+  do_check_eq(payload.aud, "third.example.com");
+
+  // The keypair and cert should have the same validity as before, but the
+  // expiration time of the assertion should be different.  We compare this to
+  // the initial start time, to which they are relative, not the current value
+  // of "now".
+  userData = yield fxa.getSignedInUser();
+
+  keyPair = userData.keyPair;
+  cert = userData.cert;
+  do_check_eq(keyPair.validUntil, start + KEY_LIFETIME);
+  do_check_eq(cert.validUntil, start + CERT_LIFETIME);
+  exp = Number(payload.exp);
+  do_check_eq(exp, now + ASSERTION_LIFETIME);
+
+  // Now we wait even longer, and expect both assertion and cert to expire.  So
+  // we will have to get a new keypair and cert.
+  now += ONE_DAY_MS;
+  fxa.internal._now_is = now;
+  d = fxa.getAssertion("fourth.example.com");
+  fxa.internal._d_signCertificate.resolve("cert2");
+  assertion = yield d;
+  do_check_eq(fxa.internal._getCertificateSigned_calls.length, 2);
+  do_check_eq(fxa.internal._getCertificateSigned_calls[1][0], "sessionToken");
+  pieces = assertion.split("~");
+  do_check_eq(pieces[0], "cert2");
+  p2 = pieces[1].split(".");
+  header = JSON.parse(atob(p2[0]));
+  payload = JSON.parse(atob(p2[1]));
+  do_check_eq(payload.aud, "fourth.example.com");
+  userData = yield fxa.getSignedInUser();
+  keyPair = userData.keyPair;
+  cert = userData.cert;
+  do_check_eq(keyPair.validUntil, now + KEY_LIFETIME);
+  do_check_eq(cert.validUntil, now + CERT_LIFETIME);
+  exp = Number(payload.exp);
+
+  do_check_eq(exp, now + ASSERTION_LIFETIME);
+  _("----- DONE ----\n");
+});
+
+add_task(function* test_resend_email_not_signed_in() {
+  let fxa = new MockFxAccounts();
+
+  try {
+    yield fxa.resendVerificationEmail();
+  } catch(err) {
+    do_check_eq(err.message,
+      "Cannot resend verification email; no signed-in user");
+    return;
+  }
+  do_throw("Should not be able to resend email when nobody is signed in");
+});
+
+add_test(function test_accountStatus() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+
+  // If we have no user, we have no account server-side
+  fxa.accountStatus().then(
+    (result) => {
+      do_check_false(result);
+    }
+  ).then(
+    () => {
+      fxa.setSignedInUser(alice).then(
+        () => {
+          fxa.accountStatus().then(
+            (result) => {
+               // FxAccounts.accountStatus() should match Client.accountStatus()
+               do_check_true(result);
+               fxa.internal.fxAccountsClient._deletedOnServer = true;
+               fxa.accountStatus().then(
+                 (result) => {
+                   do_check_false(result);
+                   fxa.internal.fxAccountsClient._deletedOnServer = false;
+                   fxa.signOut().then(run_next_test);
+                 }
+               );
+            }
+          )
+        }
+      );
+    }
+  );
+});
+
+add_task(function* test_resend_email_invalid_token() {
+  let fxa = new MockFxAccounts();
+  let sophia = getTestUser("sophia");
+  do_check_neq(sophia.sessionToken, null);
+
+  let client = fxa.internal.fxAccountsClient;
+  client.resendVerificationEmail = () => {
+    return Promise.reject({
+      code: 401,
+      errno: ERRNO_INVALID_AUTH_TOKEN,
+    });
+  };
+  client.accountStatus = () => Promise.resolve(true);
+
+  yield fxa.setSignedInUser(sophia);
+  let user = yield fxa.internal.getUserAccountData();
+  do_check_eq(user.email, sophia.email);
+  do_check_eq(user.verified, false);
+  log.debug("Sophia wants verification email resent");
+
+  try {
+    yield fxa.resendVerificationEmail();
+    do_check_true(false, "resendVerificationEmail should reject invalid session token");
+  } catch (err) {
+    do_check_eq(err.code, 401);
+    do_check_eq(err.errno, ERRNO_INVALID_AUTH_TOKEN);
+  }
+
+  user = yield fxa.internal.getUserAccountData();
+  do_check_eq(user.email, sophia.email);
+  do_check_eq(user.sessionToken, null);
+});
+
+add_test(function test_resend_email() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+
+  let initialState = fxa.internal.currentAccountState;
+
+  // Alice is the user signing in; her email is unverified.
+  fxa.setSignedInUser(alice).then(() => {
+    log.debug("Alice signing in");
+
+    // We're polling for the first email
+    do_check_true(fxa.internal.currentAccountState !== initialState);
+    let aliceState = fxa.internal.currentAccountState;
+
+    // The polling timer is ticking
+    do_check_true(fxa.internal.currentTimer > 0);
+
+    fxa.internal.getUserAccountData().then(user => {
+      do_check_eq(user.email, alice.email);
+      do_check_eq(user.verified, false);
+      log.debug("Alice wants verification email resent");
+
+      fxa.resendVerificationEmail().then((result) => {
+        // Mock server response; ensures that the session token actually was
+        // passed to the client to make the hawk call
+        do_check_eq(result, "alice's session token");
+
+        // Timer was not restarted
+        do_check_true(fxa.internal.currentAccountState === aliceState);
+
+        // Timer is still ticking
+        do_check_true(fxa.internal.currentTimer > 0);
+
+        // Ok abort polling before we go on to the next test
+        fxa.internal.abortExistingFlow();
+        run_next_test();
+      });
+    });
+  });
+});
+
+add_task(function* test_sign_out_with_device() {
+  const fxa = new MockFxAccounts();
+
+  const credentials = getTestUser("alice");
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const user = yield fxa.internal.getUserAccountData();
+  do_check_true(user);
+  Object.keys(credentials).forEach(key => do_check_eq(credentials[key], user[key]));
+
+  const spy = {
+    signOut: { count: 0 },
+    signOutAndDeviceDestroy: { count: 0, args: [] }
+  };
+  const client = fxa.internal.fxAccountsClient;
+  client.signOut = function () {
+    spy.signOut.count += 1;
+    return Promise.resolve();
+  };
+  client.signOutAndDestroyDevice = function () {
+    spy.signOutAndDeviceDestroy.count += 1;
+    spy.signOutAndDeviceDestroy.args.push(arguments);
+    return Promise.resolve();
+  };
+
+  const promise = new Promise(resolve => {
+    makeObserver(ONLOGOUT_NOTIFICATION, () => {
+      log.debug("test_sign_out_with_device observed onlogout");
+      // user should be undefined after sign out
+      fxa.internal.getUserAccountData().then(user2 => {
+        do_check_eq(user2, null);
+        do_check_eq(spy.signOut.count, 0);
+        do_check_eq(spy.signOutAndDeviceDestroy.count, 1);
+        do_check_eq(spy.signOutAndDeviceDestroy.args[0].length, 3);
+        do_check_eq(spy.signOutAndDeviceDestroy.args[0][0], credentials.sessionToken);
+        do_check_eq(spy.signOutAndDeviceDestroy.args[0][1], credentials.deviceId);
+        do_check_true(spy.signOutAndDeviceDestroy.args[0][2]);
+        do_check_eq(spy.signOutAndDeviceDestroy.args[0][2].service, "sync");
+        resolve();
+      });
+    });
+  });
+
+  yield fxa.signOut();
+
+  yield promise;
+});
+
+add_task(function* test_sign_out_without_device() {
+  const fxa = new MockFxAccounts();
+
+  const credentials = getTestUser("alice");
+  delete credentials.deviceId;
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const user = yield fxa.internal.getUserAccountData();
+
+  const spy = {
+    signOut: { count: 0, args: [] },
+    signOutAndDeviceDestroy: { count: 0 }
+  };
+  const client = fxa.internal.fxAccountsClient;
+  client.signOut = function () {
+    spy.signOut.count += 1;
+    spy.signOut.args.push(arguments);
+    return Promise.resolve();
+  };
+  client.signOutAndDestroyDevice = function () {
+    spy.signOutAndDeviceDestroy.count += 1;
+    return Promise.resolve();
+  };
+
+  const promise = new Promise(resolve => {
+    makeObserver(ONLOGOUT_NOTIFICATION, () => {
+      log.debug("test_sign_out_without_device observed onlogout");
+      // user should be undefined after sign out
+      fxa.internal.getUserAccountData().then(user2 => {
+        do_check_eq(user2, null);
+        do_check_eq(spy.signOut.count, 1);
+        do_check_eq(spy.signOut.args[0].length, 2);
+        do_check_eq(spy.signOut.args[0][0], credentials.sessionToken);
+        do_check_true(spy.signOut.args[0][1]);
+        do_check_eq(spy.signOut.args[0][1].service, "sync");
+        do_check_eq(spy.signOutAndDeviceDestroy.count, 0);
+        resolve();
+      });
+    });
+  });
+
+  yield fxa.signOut();
+
+  yield promise;
+});
+
+add_task(function* test_sign_out_with_remote_error() {
+  let fxa = new MockFxAccounts();
+  let client = fxa.internal.fxAccountsClient;
+  let remoteSignOutCalled = false;
+  // Force remote sign out to trigger an error
+  client.signOutAndDestroyDevice = function() { remoteSignOutCalled = true; throw "Remote sign out error"; };
+  let promiseLogout = new Promise(resolve => {
+    makeObserver(ONLOGOUT_NOTIFICATION, function() {
+      log.debug("test_sign_out_with_remote_error observed onlogout");
+      resolve();
+    });
+  });
+
+  let jane = getTestUser("jane");
+  yield fxa.setSignedInUser(jane);
+  yield fxa.signOut();
+  yield promiseLogout;
+
+  let user = yield fxa.internal.getUserAccountData();
+  do_check_eq(user, null);
+  do_check_true(remoteSignOutCalled);
+});
+
+add_test(function test_getOAuthToken() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  alice.verified = true;
+  let getTokenFromAssertionCalled = false;
+
+  fxa.internal._d_signCertificate.resolve("cert1");
+
+  // create a mock oauth client
+  let client = new FxAccountsOAuthGrantClient({
+    serverURL: "http://example.com/v1",
+    client_id: "abc123"
+  });
+  client.getTokenFromAssertion = function () {
+    getTokenFromAssertionCalled = true;
+    return Promise.resolve({ access_token: "token" });
+  };
+
+  fxa.setSignedInUser(alice).then(
+    () => {
+      fxa.getOAuthToken({ scope: "profile", client: client }).then(
+        (result) => {
+           do_check_true(getTokenFromAssertionCalled);
+           do_check_eq(result, "token");
+           run_next_test();
+        }
+      )
+    }
+  );
+
+});
+
+add_test(function test_getOAuthTokenScoped() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  alice.verified = true;
+  let getTokenFromAssertionCalled = false;
+
+  fxa.internal._d_signCertificate.resolve("cert1");
+
+  // create a mock oauth client
+  let client = new FxAccountsOAuthGrantClient({
+    serverURL: "http://example.com/v1",
+    client_id: "abc123"
+  });
+  client.getTokenFromAssertion = function (assertion, scopeString) {
+    equal(scopeString, "foo bar");
+    getTokenFromAssertionCalled = true;
+    return Promise.resolve({ access_token: "token" });
+  };
+
+  fxa.setSignedInUser(alice).then(
+    () => {
+      fxa.getOAuthToken({ scope: ["foo", "bar"], client: client }).then(
+        (result) => {
+           do_check_true(getTokenFromAssertionCalled);
+           do_check_eq(result, "token");
+           run_next_test();
+        }
+      )
+    }
+  );
+
+});
+
+add_task(function* test_getOAuthTokenCached() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  alice.verified = true;
+  let numTokenFromAssertionCalls = 0;
+
+  fxa.internal._d_signCertificate.resolve("cert1");
+
+  // create a mock oauth client
+  let client = new FxAccountsOAuthGrantClient({
+    serverURL: "http://example.com/v1",
+    client_id: "abc123"
+  });
+  client.getTokenFromAssertion = function () {
+    numTokenFromAssertionCalls += 1;
+    return Promise.resolve({ access_token: "token" });
+  };
+
+  yield fxa.setSignedInUser(alice);
+  let result = yield fxa.getOAuthToken({ scope: "profile", client: client, service: "test-service" });
+  do_check_eq(numTokenFromAssertionCalls, 1);
+  do_check_eq(result, "token");
+
+  // requesting it again should not re-fetch the token.
+  result = yield fxa.getOAuthToken({ scope: "profile", client: client, service: "test-service" });
+  do_check_eq(numTokenFromAssertionCalls, 1);
+  do_check_eq(result, "token");
+  // But requesting the same service and a different scope *will* get a new one.
+  result = yield fxa.getOAuthToken({ scope: "something-else", client: client, service: "test-service" });
+  do_check_eq(numTokenFromAssertionCalls, 2);
+  do_check_eq(result, "token");
+});
+
+add_task(function* test_getOAuthTokenCachedScopeNormalization() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  alice.verified = true;
+  let numTokenFromAssertionCalls = 0;
+
+  fxa.internal._d_signCertificate.resolve("cert1");
+
+  // create a mock oauth client
+  let client = new FxAccountsOAuthGrantClient({
+    serverURL: "http://example.com/v1",
+    client_id: "abc123"
+  });
+  client.getTokenFromAssertion = function () {
+    numTokenFromAssertionCalls += 1;
+    return Promise.resolve({ access_token: "token" });
+  };
+
+  yield fxa.setSignedInUser(alice);
+  let result = yield fxa.getOAuthToken({ scope: ["foo", "bar"], client: client, service: "test-service" });
+  do_check_eq(numTokenFromAssertionCalls, 1);
+  do_check_eq(result, "token");
+
+  // requesting it again with the scope array in a different order not re-fetch the token.
+  result = yield fxa.getOAuthToken({ scope: ["bar", "foo"], client: client, service: "test-service" });
+  do_check_eq(numTokenFromAssertionCalls, 1);
+  do_check_eq(result, "token");
+  // requesting it again with the scope array in different case not re-fetch the token.
+  result = yield fxa.getOAuthToken({ scope: ["Bar", "Foo"], client: client, service: "test-service" });
+  do_check_eq(numTokenFromAssertionCalls, 1);
+  do_check_eq(result, "token");
+  // But requesting with a new entry in the array does fetch one.
+  result = yield fxa.getOAuthToken({ scope: ["foo", "bar", "etc"], client: client, service: "test-service" });
+  do_check_eq(numTokenFromAssertionCalls, 2);
+  do_check_eq(result, "token");
+});
+
+Services.prefs.setCharPref("identity.fxaccounts.remote.oauth.uri", "https://example.com/v1");
+add_test(function test_getOAuthToken_invalid_param() {
+  let fxa = new MockFxAccounts();
+
+  fxa.getOAuthToken()
+    .then(null, err => {
+       do_check_eq(err.message, "INVALID_PARAMETER");
+       fxa.signOut().then(run_next_test);
+    });
+});
+
+add_test(function test_getOAuthToken_invalid_scope_array() {
+  let fxa = new MockFxAccounts();
+
+  fxa.getOAuthToken({scope: []})
+    .then(null, err => {
+       do_check_eq(err.message, "INVALID_PARAMETER");
+       fxa.signOut().then(run_next_test);
+    });
+});
+
+add_test(function test_getOAuthToken_misconfigure_oauth_uri() {
+  let fxa = new MockFxAccounts();
+
+  Services.prefs.deleteBranch("identity.fxaccounts.remote.oauth.uri");
+
+  fxa.getOAuthToken()
+    .then(null, err => {
+       do_check_eq(err.message, "INVALID_PARAMETER");
+       // revert the pref
+       Services.prefs.setCharPref("identity.fxaccounts.remote.oauth.uri", "https://example.com/v1");
+       fxa.signOut().then(run_next_test);
+    });
+});
+
+add_test(function test_getOAuthToken_no_account() {
+  let fxa = new MockFxAccounts();
+
+  fxa.internal.currentAccountState.getUserAccountData = function () {
+    return Promise.resolve(null);
+  };
+
+  fxa.getOAuthToken({ scope: "profile" })
+    .then(null, err => {
+       do_check_eq(err.message, "NO_ACCOUNT");
+       fxa.signOut().then(run_next_test);
+    });
+});
+
+add_test(function test_getOAuthToken_unverified() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+
+  fxa.setSignedInUser(alice).then(() => {
+    fxa.getOAuthToken({ scope: "profile" })
+      .then(null, err => {
+         do_check_eq(err.message, "UNVERIFIED_ACCOUNT");
+         fxa.signOut().then(run_next_test);
+      });
+  });
+});
+
+add_test(function test_getOAuthToken_network_error() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  alice.verified = true;
+
+  fxa.internal._d_signCertificate.resolve("cert1");
+
+  // create a mock oauth client
+  let client = new FxAccountsOAuthGrantClient({
+    serverURL: "http://example.com/v1",
+    client_id: "abc123"
+  });
+  client.getTokenFromAssertion = function () {
+    return Promise.reject(new FxAccountsOAuthGrantClientError({
+      error: ERROR_NETWORK,
+      errno: ERRNO_NETWORK
+    }));
+  };
+
+  fxa.setSignedInUser(alice).then(() => {
+    fxa.getOAuthToken({ scope: "profile", client: client })
+      .then(null, err => {
+         do_check_eq(err.message, "NETWORK_ERROR");
+         do_check_eq(err.details.errno, ERRNO_NETWORK);
+         run_next_test();
+      });
+  });
+});
+
+add_test(function test_getOAuthToken_auth_error() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  alice.verified = true;
+
+  fxa.internal._d_signCertificate.resolve("cert1");
+
+  // create a mock oauth client
+  let client = new FxAccountsOAuthGrantClient({
+    serverURL: "http://example.com/v1",
+    client_id: "abc123"
+  });
+  client.getTokenFromAssertion = function () {
+    return Promise.reject(new FxAccountsOAuthGrantClientError({
+      error: ERROR_INVALID_FXA_ASSERTION,
+      errno: ERRNO_INVALID_FXA_ASSERTION
+    }));
+  };
+
+  fxa.setSignedInUser(alice).then(() => {
+    fxa.getOAuthToken({ scope: "profile", client: client })
+      .then(null, err => {
+         do_check_eq(err.message, "AUTH_ERROR");
+         do_check_eq(err.details.errno, ERRNO_INVALID_FXA_ASSERTION);
+         run_next_test();
+      });
+  });
+});
+
+add_test(function test_getOAuthToken_unknown_error() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  alice.verified = true;
+
+  fxa.internal._d_signCertificate.resolve("cert1");
+
+  // create a mock oauth client
+  let client = new FxAccountsOAuthGrantClient({
+    serverURL: "http://example.com/v1",
+    client_id: "abc123"
+  });
+  client.getTokenFromAssertion = function () {
+    return Promise.reject("boom");
+  };
+
+  fxa.setSignedInUser(alice).then(() => {
+    fxa.getOAuthToken({ scope: "profile", client: client })
+      .then(null, err => {
+         do_check_eq(err.message, "UNKNOWN_ERROR");
+         run_next_test();
+      });
+  });
+});
+
+add_test(function test_getSignedInUserProfile() {
+  let alice = getTestUser("alice");
+  alice.verified = true;
+
+  let mockProfile = {
+    getProfile: function () {
+      return Promise.resolve({ avatar: "image" });
+    },
+    tearDown: function() {},
+  };
+  let fxa = new FxAccounts({
+    _signOutServer() { return Promise.resolve(); },
+    _registerOrUpdateDevice() { return Promise.resolve(); }
+  });
+
+  fxa.setSignedInUser(alice).then(() => {
+    fxa.internal._profile = mockProfile;
+    fxa.getSignedInUserProfile()
+      .then(result => {
+         do_check_true(!!result);
+         do_check_eq(result.avatar, "image");
+         run_next_test();
+      });
+  });
+});
+
+add_test(function test_getSignedInUserProfile_error_uses_account_data() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  alice.verified = true;
+
+  fxa.internal.getSignedInUser = function () {
+    return Promise.resolve({ email: "foo@bar.com" });
+  };
+
+  let teardownCalled = false;
+  fxa.setSignedInUser(alice).then(() => {
+    fxa.internal._profile = {
+      getProfile: function () {
+        return Promise.reject("boom");
+      },
+      tearDown: function() {
+        teardownCalled = true;
+      }
+    };
+
+    fxa.getSignedInUserProfile()
+      .catch(error => {
+        do_check_eq(error.message, "UNKNOWN_ERROR");
+        fxa.signOut().then(() => {
+          do_check_true(teardownCalled);
+          run_next_test();
+        });
+      });
+  });
+});
+
+add_test(function test_getSignedInUserProfile_unverified_account() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+
+  fxa.setSignedInUser(alice).then(() => {
+    fxa.getSignedInUserProfile()
+      .catch(error => {
+         do_check_eq(error.message, "UNVERIFIED_ACCOUNT");
+         fxa.signOut().then(run_next_test);
+      });
+  });
+
+});
+
+add_test(function test_getSignedInUserProfile_no_account_data() {
+  let fxa = new MockFxAccounts();
+
+  fxa.internal.getSignedInUser = function () {
+    return Promise.resolve(null);
+  };
+
+  fxa.getSignedInUserProfile()
+    .catch(error => {
+       do_check_eq(error.message, "NO_ACCOUNT");
+       fxa.signOut().then(run_next_test);
+    });
+
+});
+
+add_task(function* test_checkVerificationStatusFailed() {
+  let fxa = new MockFxAccounts();
+  let alice = getTestUser("alice");
+  alice.verified = true;
+
+  let client = fxa.internal.fxAccountsClient;
+  client.recoveryEmailStatus = () => {
+    return Promise.reject({
+      code: 401,
+      errno: ERRNO_INVALID_AUTH_TOKEN,
+    });
+  };
+  client.accountStatus = () => Promise.resolve(true);
+
+  yield fxa.setSignedInUser(alice);
+  let user = yield fxa.internal.getUserAccountData();
+  do_check_neq(alice.sessionToken, null);
+  do_check_eq(user.email, alice.email);
+  do_check_eq(user.verified, true);
+
+  yield fxa.checkVerificationStatus();
+
+  user = yield fxa.internal.getUserAccountData();
+  do_check_eq(user.email, alice.email);
+  do_check_eq(user.sessionToken, null);
+});
+
+/*
+ * End of tests.
+ * Utility functions follow.
+ */
+
+function expandHex(two_hex) {
+  // Return a 64-character hex string, encoding 32 identical bytes.
+  let eight_hex = two_hex + two_hex + two_hex + two_hex;
+  let thirtytwo_hex = eight_hex + eight_hex + eight_hex + eight_hex;
+  return thirtytwo_hex + thirtytwo_hex;
+};
+
+function expandBytes(two_hex) {
+  return CommonUtils.hexToBytes(expandHex(two_hex));
+};
+
+function getTestUser(name) {
+  return {
+    email: name + "@example.com",
+    uid: "1ad7f502-4cc7-4ec1-a209-071fd2fae348",
+    deviceId: name + "'s device id",
+    sessionToken: name + "'s session token",
+    keyFetchToken: name + "'s keyfetch token",
+    unwrapBKey: expandHex("44"),
+    verified: false
+  };
+}
+
+function makeObserver(aObserveTopic, aObserveFunc) {
+  let observer = {
+    // nsISupports provides type management in C++
+    // nsIObserver is to be an observer
+    QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports, Ci.nsIObserver]),
+
+    observe: function (aSubject, aTopic, aData) {
+      log.debug("observed " + aTopic + " " + aData);
+      if (aTopic == aObserveTopic) {
+        removeMe();
+        aObserveFunc(aSubject, aTopic, aData);
+      }
+    }
+  };
+
+  function removeMe() {
+    log.debug("removing observer for " + aObserveTopic);
+    Services.obs.removeObserver(observer, aObserveTopic);
+  }
+
+  Services.obs.addObserver(observer, aObserveTopic, false);
+  return removeMe;
+}
+
+function do_check_throws(func, result, stack)
+{
+  if (!stack)
+    stack = Components.stack.caller;
+
+  try {
+    func();
+  } catch (ex) {
+    if (ex.name == result) {
+      return;
+    }
+    do_throw("Expected result " + result + ", caught " + ex.name, stack);
+  }
+
+  if (result) {
+    do_throw("Expected result " + result + ", none thrown", stack);
+  }
+}
diff --git a/services/fxaccounts/tests/xpcshell/test_accounts_device_registration.js b/services/fxaccounts/tests/xpcshell/test_accounts_device_registration.js
new file mode 100644
index 0000000000..9a2d2c127a
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_accounts_device_registration.js
@@ -0,0 +1,526 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://services-common/utils.js");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/FxAccounts.jsm");
+Cu.import("resource://gre/modules/FxAccountsClient.jsm");
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/Promise.jsm");
+Cu.import("resource://gre/modules/Log.jsm");
+
+initTestLogging("Trace");
+
+var log = Log.repository.getLogger("Services.FxAccounts.test");
+log.level = Log.Level.Debug;
+
+const BOGUS_PUBLICKEY = "BBXOKjUb84pzws1wionFpfCBjDuCh4-s_1b52WA46K5wYL2gCWEOmFKWn_NkS5nmJwTBuO8qxxdjAIDtNeklvQc";
+const BOGUS_AUTHKEY = "GSsIiaD2Mr83iPqwFNK4rw";
+
+Services.prefs.setCharPref("identity.fxaccounts.loglevel", "Trace");
+Log.repository.getLogger("FirefoxAccounts").level = Log.Level.Trace;
+
+Services.prefs.setCharPref("identity.fxaccounts.remote.oauth.uri", "https://example.com/v1");
+Services.prefs.setCharPref("identity.fxaccounts.oauth.client_id", "abc123");
+Services.prefs.setCharPref("identity.fxaccounts.remote.profile.uri", "http://example.com/v1");
+Services.prefs.setCharPref("identity.fxaccounts.settings.uri", "http://accounts.example.com/");
+
+const DEVICE_REGISTRATION_VERSION = 42;
+
+function MockStorageManager() {
+}
+
+MockStorageManager.prototype = {
+  initialize(accountData) {
+    this.accountData = accountData;
+  },
+
+  finalize() {
+    return Promise.resolve();
+  },
+
+  getAccountData() {
+    return Promise.resolve(this.accountData);
+  },
+
+  updateAccountData(updatedFields) {
+    for (let [name, value] of Object.entries(updatedFields)) {
+      if (value == null) {
+        delete this.accountData[name];
+      } else {
+        this.accountData[name] = value;
+      }
+    }
+    return Promise.resolve();
+  },
+
+  deleteAccountData() {
+    this.accountData = null;
+    return Promise.resolve();
+  }
+}
+
+function MockFxAccountsClient(device) {
+  this._email = "nobody@example.com";
+  this._verified = false;
+  this._deletedOnServer = false; // for testing accountStatus
+
+  // mock calls up to the auth server to determine whether the
+  // user account has been verified
+  this.recoveryEmailStatus = function (sessionToken) {
+    // simulate a call to /recovery_email/status
+    return Promise.resolve({
+      email: this._email,
+      verified: this._verified
+    });
+  };
+
+  this.accountStatus = function(uid) {
+    let deferred = Promise.defer();
+    deferred.resolve(!!uid && (!this._deletedOnServer));
+    return deferred.promise;
+  };
+
+  const { id: deviceId, name: deviceName, type: deviceType, sessionToken } = device;
+
+  this.registerDevice = (st, name, type) => Promise.resolve({ id: deviceId, name });
+  this.updateDevice = (st, id, name) => Promise.resolve({ id, name });
+  this.signOutAndDestroyDevice = () => Promise.resolve({});
+  this.getDeviceList = (st) =>
+    Promise.resolve([
+      { id: deviceId, name: deviceName, type: deviceType, isCurrentDevice: st === sessionToken }
+    ]);
+
+  FxAccountsClient.apply(this);
+}
+MockFxAccountsClient.prototype = {
+  __proto__: FxAccountsClient.prototype
+}
+
+function MockFxAccounts(device = {}) {
+  return new FxAccounts({
+    _getDeviceName() {
+      return device.name || "mock device name";
+    },
+    fxAccountsClient: new MockFxAccountsClient(device),
+    fxaPushService: {
+      registerPushEndpoint() {
+        return new Promise((resolve) => {
+          resolve({
+            endpoint: "http://mochi.test:8888",
+            getKey: function(type) {
+              return ChromeUtils.base64URLDecode(
+                type === "auth" ? BOGUS_AUTHKEY : BOGUS_PUBLICKEY,
+                { padding: "ignore" });
+            }
+          });
+        });
+      },
+    },
+    DEVICE_REGISTRATION_VERSION
+  });
+}
+
+add_task(function* test_updateDeviceRegistration_with_new_device() {
+  const deviceName = "foo";
+  const deviceType = "bar";
+
+  const credentials = getTestUser("baz");
+  delete credentials.deviceId;
+  const fxa = new MockFxAccounts({ name: deviceName });
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const spy = {
+    registerDevice: { count: 0, args: [] },
+    updateDevice: { count: 0, args: [] },
+    getDeviceList: { count: 0, args: [] }
+  };
+  const client = fxa.internal.fxAccountsClient;
+  client.registerDevice = function () {
+    spy.registerDevice.count += 1;
+    spy.registerDevice.args.push(arguments);
+    return Promise.resolve({
+      id: "newly-generated device id",
+      createdAt: Date.now(),
+      name: deviceName,
+      type: deviceType
+    });
+  };
+  client.updateDevice = function () {
+    spy.updateDevice.count += 1;
+    spy.updateDevice.args.push(arguments);
+    return Promise.resolve({});
+  };
+  client.getDeviceList = function () {
+    spy.getDeviceList.count += 1;
+    spy.getDeviceList.args.push(arguments);
+    return Promise.resolve([]);
+  };
+
+  const result = yield fxa.updateDeviceRegistration();
+
+  do_check_eq(result, "newly-generated device id");
+  do_check_eq(spy.updateDevice.count, 0);
+  do_check_eq(spy.getDeviceList.count, 0);
+  do_check_eq(spy.registerDevice.count, 1);
+  do_check_eq(spy.registerDevice.args[0].length, 4);
+  do_check_eq(spy.registerDevice.args[0][0], credentials.sessionToken);
+  do_check_eq(spy.registerDevice.args[0][1], deviceName);
+  do_check_eq(spy.registerDevice.args[0][2], "desktop");
+  do_check_eq(spy.registerDevice.args[0][3].pushCallback, "http://mochi.test:8888");
+  do_check_eq(spy.registerDevice.args[0][3].pushPublicKey, BOGUS_PUBLICKEY);
+  do_check_eq(spy.registerDevice.args[0][3].pushAuthKey, BOGUS_AUTHKEY);
+
+  const state = fxa.internal.currentAccountState;
+  const data = yield state.getUserAccountData();
+
+  do_check_eq(data.deviceId, "newly-generated device id");
+  do_check_eq(data.deviceRegistrationVersion, DEVICE_REGISTRATION_VERSION);
+});
+
+add_task(function* test_updateDeviceRegistration_with_existing_device() {
+  const deviceName = "phil's device";
+  const deviceType = "desktop";
+
+  const credentials = getTestUser("pb");
+  const fxa = new MockFxAccounts({ name: deviceName });
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const spy = {
+    registerDevice: { count: 0, args: [] },
+    updateDevice: { count: 0, args: [] },
+    getDeviceList: { count: 0, args: [] }
+  };
+  const client = fxa.internal.fxAccountsClient;
+  client.registerDevice = function () {
+    spy.registerDevice.count += 1;
+    spy.registerDevice.args.push(arguments);
+    return Promise.resolve({});
+  };
+  client.updateDevice = function () {
+    spy.updateDevice.count += 1;
+    spy.updateDevice.args.push(arguments);
+    return Promise.resolve({
+      id: credentials.deviceId,
+      name: deviceName
+    });
+  };
+  client.getDeviceList = function () {
+    spy.getDeviceList.count += 1;
+    spy.getDeviceList.args.push(arguments);
+    return Promise.resolve([]);
+  };
+  const result = yield fxa.updateDeviceRegistration();
+
+  do_check_eq(result, credentials.deviceId);
+  do_check_eq(spy.registerDevice.count, 0);
+  do_check_eq(spy.getDeviceList.count, 0);
+  do_check_eq(spy.updateDevice.count, 1);
+  do_check_eq(spy.updateDevice.args[0].length, 4);
+  do_check_eq(spy.updateDevice.args[0][0], credentials.sessionToken);
+  do_check_eq(spy.updateDevice.args[0][1], credentials.deviceId);
+  do_check_eq(spy.updateDevice.args[0][2], deviceName);
+  do_check_eq(spy.updateDevice.args[0][3].pushCallback, "http://mochi.test:8888");
+  do_check_eq(spy.updateDevice.args[0][3].pushPublicKey, BOGUS_PUBLICKEY);
+  do_check_eq(spy.updateDevice.args[0][3].pushAuthKey, BOGUS_AUTHKEY);
+
+  const state = fxa.internal.currentAccountState;
+  const data = yield state.getUserAccountData();
+
+  do_check_eq(data.deviceId, credentials.deviceId);
+  do_check_eq(data.deviceRegistrationVersion, DEVICE_REGISTRATION_VERSION);
+});
+
+add_task(function* test_updateDeviceRegistration_with_unknown_device_error() {
+  const deviceName = "foo";
+  const deviceType = "bar";
+
+  const credentials = getTestUser("baz");
+  const fxa = new MockFxAccounts({ name: deviceName });
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const spy = {
+    registerDevice: { count: 0, args: [] },
+    updateDevice: { count: 0, args: [] },
+    getDeviceList: { count: 0, args: [] }
+  };
+  const client = fxa.internal.fxAccountsClient;
+  client.registerDevice = function () {
+    spy.registerDevice.count += 1;
+    spy.registerDevice.args.push(arguments);
+    return Promise.resolve({
+      id: "a different newly-generated device id",
+      createdAt: Date.now(),
+      name: deviceName,
+      type: deviceType
+    });
+  };
+  client.updateDevice = function () {
+    spy.updateDevice.count += 1;
+    spy.updateDevice.args.push(arguments);
+    return Promise.reject({
+      code: 400,
+      errno: ERRNO_UNKNOWN_DEVICE
+    });
+  };
+  client.getDeviceList = function () {
+    spy.getDeviceList.count += 1;
+    spy.getDeviceList.args.push(arguments);
+    return Promise.resolve([]);
+  };
+
+  const result = yield fxa.updateDeviceRegistration();
+
+  do_check_null(result);
+  do_check_eq(spy.getDeviceList.count, 0);
+  do_check_eq(spy.registerDevice.count, 0);
+  do_check_eq(spy.updateDevice.count, 1);
+  do_check_eq(spy.updateDevice.args[0].length, 4);
+  do_check_eq(spy.updateDevice.args[0][0], credentials.sessionToken);
+  do_check_eq(spy.updateDevice.args[0][1], credentials.deviceId);
+  do_check_eq(spy.updateDevice.args[0][2], deviceName);
+  do_check_eq(spy.updateDevice.args[0][3].pushCallback, "http://mochi.test:8888");
+  do_check_eq(spy.updateDevice.args[0][3].pushPublicKey, BOGUS_PUBLICKEY);
+  do_check_eq(spy.updateDevice.args[0][3].pushAuthKey, BOGUS_AUTHKEY);
+
+
+  const state = fxa.internal.currentAccountState;
+  const data = yield state.getUserAccountData();
+
+  do_check_null(data.deviceId);
+  do_check_eq(data.deviceRegistrationVersion, DEVICE_REGISTRATION_VERSION);
+});
+
+add_task(function* test_updateDeviceRegistration_with_device_session_conflict_error() {
+  const deviceName = "foo";
+  const deviceType = "bar";
+
+  const credentials = getTestUser("baz");
+  const fxa = new MockFxAccounts({ name: deviceName });
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const spy = {
+    registerDevice: { count: 0, args: [] },
+    updateDevice: { count: 0, args: [], times: [] },
+    getDeviceList: { count: 0, args: [] }
+  };
+  const client = fxa.internal.fxAccountsClient;
+  client.registerDevice = function () {
+    spy.registerDevice.count += 1;
+    spy.registerDevice.args.push(arguments);
+    return Promise.resolve({});
+  };
+  client.updateDevice = function () {
+    spy.updateDevice.count += 1;
+    spy.updateDevice.args.push(arguments);
+    spy.updateDevice.time = Date.now();
+    if (spy.updateDevice.count === 1) {
+      return Promise.reject({
+        code: 400,
+        errno: ERRNO_DEVICE_SESSION_CONFLICT
+      });
+    }
+    return Promise.resolve({
+      id: credentials.deviceId,
+      name: deviceName
+    });
+  };
+  client.getDeviceList = function () {
+    spy.getDeviceList.count += 1;
+    spy.getDeviceList.args.push(arguments);
+    spy.getDeviceList.time = Date.now();
+    return Promise.resolve([
+      { id: "ignore", name: "ignore", type: "ignore", isCurrentDevice: false },
+      { id: credentials.deviceId, name: deviceName, type: deviceType, isCurrentDevice: true }
+    ]);
+  };
+
+  const result = yield fxa.updateDeviceRegistration();
+
+  do_check_eq(result, credentials.deviceId);
+  do_check_eq(spy.registerDevice.count, 0);
+  do_check_eq(spy.updateDevice.count, 1);
+  do_check_eq(spy.updateDevice.args[0].length, 4);
+  do_check_eq(spy.updateDevice.args[0][0], credentials.sessionToken);
+  do_check_eq(spy.updateDevice.args[0][1], credentials.deviceId);
+  do_check_eq(spy.updateDevice.args[0][2], deviceName);
+  do_check_eq(spy.updateDevice.args[0][3].pushCallback, "http://mochi.test:8888");
+  do_check_eq(spy.updateDevice.args[0][3].pushPublicKey, BOGUS_PUBLICKEY);
+  do_check_eq(spy.updateDevice.args[0][3].pushAuthKey, BOGUS_AUTHKEY);
+  do_check_eq(spy.getDeviceList.count, 1);
+  do_check_eq(spy.getDeviceList.args[0].length, 1);
+  do_check_eq(spy.getDeviceList.args[0][0], credentials.sessionToken);
+  do_check_true(spy.getDeviceList.time >= spy.updateDevice.time);
+
+  const state = fxa.internal.currentAccountState;
+  const data = yield state.getUserAccountData();
+
+  do_check_eq(data.deviceId, credentials.deviceId);
+  do_check_eq(data.deviceRegistrationVersion, null);
+});
+
+add_task(function* test_updateDeviceRegistration_with_unrecoverable_error() {
+  const deviceName = "foo";
+  const deviceType = "bar";
+
+  const credentials = getTestUser("baz");
+  delete credentials.deviceId;
+  const fxa = new MockFxAccounts({ name: deviceName });
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const spy = {
+    registerDevice: { count: 0, args: [] },
+    updateDevice: { count: 0, args: [] },
+    getDeviceList: { count: 0, args: [] }
+  };
+  const client = fxa.internal.fxAccountsClient;
+  client.registerDevice = function () {
+    spy.registerDevice.count += 1;
+    spy.registerDevice.args.push(arguments);
+    return Promise.reject({
+      code: 400,
+      errno: ERRNO_TOO_MANY_CLIENT_REQUESTS
+    });
+  };
+  client.updateDevice = function () {
+    spy.updateDevice.count += 1;
+    spy.updateDevice.args.push(arguments);
+    return Promise.resolve({});
+  };
+  client.getDeviceList = function () {
+    spy.getDeviceList.count += 1;
+    spy.getDeviceList.args.push(arguments);
+    return Promise.resolve([]);
+  };
+
+  const result = yield fxa.updateDeviceRegistration();
+
+  do_check_null(result);
+  do_check_eq(spy.getDeviceList.count, 0);
+  do_check_eq(spy.updateDevice.count, 0);
+  do_check_eq(spy.registerDevice.count, 1);
+  do_check_eq(spy.registerDevice.args[0].length, 4);
+
+  const state = fxa.internal.currentAccountState;
+  const data = yield state.getUserAccountData();
+
+  do_check_null(data.deviceId);
+});
+
+add_task(function* test_getDeviceId_with_no_device_id_invokes_device_registration() {
+  const credentials = getTestUser("foo");
+  credentials.verified = true;
+  delete credentials.deviceId;
+  const fxa = new MockFxAccounts();
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const spy = { count: 0, args: [] };
+  fxa.internal.currentAccountState.getUserAccountData =
+    () => Promise.resolve({ email: credentials.email,
+                            deviceRegistrationVersion: DEVICE_REGISTRATION_VERSION });
+  fxa.internal._registerOrUpdateDevice = function () {
+    spy.count += 1;
+    spy.args.push(arguments);
+    return Promise.resolve("bar");
+  };
+
+  const result = yield fxa.internal.getDeviceId();
+
+  do_check_eq(spy.count, 1);
+  do_check_eq(spy.args[0].length, 1);
+  do_check_eq(spy.args[0][0].email, credentials.email);
+  do_check_null(spy.args[0][0].deviceId);
+  do_check_eq(result, "bar");
+});
+
+add_task(function* test_getDeviceId_with_registration_version_outdated_invokes_device_registration() {
+  const credentials = getTestUser("foo");
+  credentials.verified = true;
+  const fxa = new MockFxAccounts();
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const spy = { count: 0, args: [] };
+  fxa.internal.currentAccountState.getUserAccountData =
+    () => Promise.resolve({ deviceId: credentials.deviceId, deviceRegistrationVersion: 0 });
+  fxa.internal._registerOrUpdateDevice = function () {
+    spy.count += 1;
+    spy.args.push(arguments);
+    return Promise.resolve("wibble");
+  };
+
+  const result = yield fxa.internal.getDeviceId();
+
+  do_check_eq(spy.count, 1);
+  do_check_eq(spy.args[0].length, 1);
+  do_check_eq(spy.args[0][0].deviceId, credentials.deviceId);
+  do_check_eq(result, "wibble");
+});
+
+add_task(function* test_getDeviceId_with_device_id_and_uptodate_registration_version_doesnt_invoke_device_registration() {
+  const credentials = getTestUser("foo");
+  credentials.verified = true;
+  const fxa = new MockFxAccounts();
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const spy = { count: 0 };
+  fxa.internal.currentAccountState.getUserAccountData =
+    () => Promise.resolve({ deviceId: credentials.deviceId, deviceRegistrationVersion: DEVICE_REGISTRATION_VERSION });
+  fxa.internal._registerOrUpdateDevice = function () {
+    spy.count += 1;
+    return Promise.resolve("bar");
+  };
+
+  const result = yield fxa.internal.getDeviceId();
+
+  do_check_eq(spy.count, 0);
+  do_check_eq(result, "foo's device id");
+});
+
+add_task(function* test_getDeviceId_with_device_id_and_with_no_registration_version_invokes_device_registration() {
+  const credentials = getTestUser("foo");
+  credentials.verified = true;
+  const fxa = new MockFxAccounts();
+  yield fxa.internal.setSignedInUser(credentials);
+
+  const spy = { count: 0, args: [] };
+  fxa.internal.currentAccountState.getUserAccountData =
+    () => Promise.resolve({ deviceId: credentials.deviceId });
+  fxa.internal._registerOrUpdateDevice = function () {
+    spy.count += 1;
+    spy.args.push(arguments);
+    return Promise.resolve("wibble");
+  };
+
+  const result = yield fxa.internal.getDeviceId();
+
+  do_check_eq(spy.count, 1);
+  do_check_eq(spy.args[0].length, 1);
+  do_check_eq(spy.args[0][0].deviceId, credentials.deviceId);
+  do_check_eq(result, "wibble");
+});
+
+function expandHex(two_hex) {
+  // Return a 64-character hex string, encoding 32 identical bytes.
+  let eight_hex = two_hex + two_hex + two_hex + two_hex;
+  let thirtytwo_hex = eight_hex + eight_hex + eight_hex + eight_hex;
+  return thirtytwo_hex + thirtytwo_hex;
+};
+
+function expandBytes(two_hex) {
+  return CommonUtils.hexToBytes(expandHex(two_hex));
+};
+
+function getTestUser(name) {
+  return {
+    email: name + "@example.com",
+    uid: "1ad7f502-4cc7-4ec1-a209-071fd2fae348",
+    deviceId: name + "'s device id",
+    sessionToken: name + "'s session token",
+    keyFetchToken: name + "'s keyfetch token",
+    unwrapBKey: expandHex("44"),
+    verified: false
+  };
+}
+
diff --git a/services/fxaccounts/tests/xpcshell/test_client.js b/services/fxaccounts/tests/xpcshell/test_client.js
new file mode 100644
index 0000000000..83f42bdf5a
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_client.js
@@ -0,0 +1,917 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/FxAccountsClient.jsm");
+Cu.import("resource://gre/modules/Promise.jsm");
+Cu.import("resource://services-common/utils.js");
+Cu.import("resource://services-common/hawkrequest.js");
+Cu.import("resource://services-crypto/utils.js");
+
+const FAKE_SESSION_TOKEN = "a0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebf";
+
+function run_test() {
+  run_next_test();
+}
+
+// https://wiki.mozilla.org/Identity/AttachedServices/KeyServerProtocol#.2Faccount.2Fkeys
+var ACCOUNT_KEYS = {
+  keyFetch:     h("8081828384858687 88898a8b8c8d8e8f"+
+                  "9091929394959697 98999a9b9c9d9e9f"),
+
+  response:     h("ee5c58845c7c9412 b11bbd20920c2fdd"+
+                  "d83c33c9cd2c2de2 d66b222613364636"+
+                  "c2c0f8cfbb7c6304 72c0bd88451342c6"+
+                  "c05b14ce342c5ad4 6ad89e84464c993c"+
+                  "3927d30230157d08 17a077eef4b20d97"+
+                  "6f7a97363faf3f06 4c003ada7d01aa70"),
+
+  kA:           h("2021222324252627 28292a2b2c2d2e2f"+
+                  "3031323334353637 38393a3b3c3d3e3f"),
+
+  wrapKB:       h("4041424344454647 48494a4b4c4d4e4f"+
+                  "5051525354555657 58595a5b5c5d5e5f"),
+};
+
+function deferredStop(server) {
+  let deferred = Promise.defer();
+  server.stop(deferred.resolve);
+  return deferred.promise;
+}
+
+add_task(function* test_authenticated_get_request() {
+  let message = "{\"msg\": \"Great Success!\"}";
+  let credentials = {
+    id: "eyJleHBpcmVzIjogMTM2NTAxMDg5OC4x",
+    key: "qTZf4ZFpAMpMoeSsX3zVRjiqmNs=",
+    algorithm: "sha256"
+  };
+  let method = "GET";
+
+  let server = httpd_setup({"/foo": function(request, response) {
+      do_check_true(request.hasHeader("Authorization"));
+
+      response.setStatusLine(request.httpVersion, 200, "OK");
+      response.bodyOutputStream.write(message, message.length);
+    }
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+
+  let result = yield client._request("/foo", method, credentials);
+  do_check_eq("Great Success!", result.msg);
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_authenticated_post_request() {
+  let credentials = {
+    id: "eyJleHBpcmVzIjogMTM2NTAxMDg5OC4x",
+    key: "qTZf4ZFpAMpMoeSsX3zVRjiqmNs=",
+    algorithm: "sha256"
+  };
+  let method = "POST";
+
+  let server = httpd_setup({"/foo": function(request, response) {
+      do_check_true(request.hasHeader("Authorization"));
+
+      response.setStatusLine(request.httpVersion, 200, "OK");
+      response.setHeader("Content-Type", "application/json");
+      response.bodyOutputStream.writeFrom(request.bodyInputStream, request.bodyInputStream.available());
+    }
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+
+  let result = yield client._request("/foo", method, credentials, {foo: "bar"});
+  do_check_eq("bar", result.foo);
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_500_error() {
+  let message = "<h1>Ooops!</h1>";
+  let method = "GET";
+
+  let server = httpd_setup({"/foo": function(request, response) {
+      response.setStatusLine(request.httpVersion, 500, "Internal Server Error");
+      response.bodyOutputStream.write(message, message.length);
+    }
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+
+  try {
+    yield client._request("/foo", method);
+    do_throw("Expected to catch an exception");
+  } catch (e) {
+    do_check_eq(500, e.code);
+    do_check_eq("Internal Server Error", e.message);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_backoffError() {
+  let method = "GET";
+  let server = httpd_setup({
+    "/retryDelay": function(request, response) {
+      response.setHeader("Retry-After", "30");
+      response.setStatusLine(request.httpVersion, 429, "Client has sent too many requests");
+      let message = "<h1>Ooops!</h1>";
+      response.bodyOutputStream.write(message, message.length);
+    },
+    "/duringDelayIShouldNotBeCalled": function(request, response) {
+      response.setStatusLine(request.httpVersion, 200, "OK");
+      let jsonMessage = "{\"working\": \"yes\"}";
+      response.bodyOutputStream.write(jsonMessage, jsonMessage.length);
+    },
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+
+  // Retry-After header sets client.backoffError
+  do_check_eq(client.backoffError, null);
+  try {
+    yield client._request("/retryDelay", method);
+  } catch (e) {
+    do_check_eq(429, e.code);
+    do_check_eq(30, e.retryAfter);
+    do_check_neq(typeof(client.fxaBackoffTimer), "undefined");
+    do_check_neq(client.backoffError, null);
+  }
+  // While delay is in effect, client short-circuits any requests
+  // and re-rejects with previous error.
+  try {
+    yield client._request("/duringDelayIShouldNotBeCalled", method);
+    throw new Error("I should not be reached");
+  } catch (e) {
+    do_check_eq(e.retryAfter, 30);
+    do_check_eq(e.message, "Client has sent too many requests");
+    do_check_neq(client.backoffError, null);
+  }
+  // Once timer fires, client nulls error out and HTTP calls work again.
+  client._clearBackoff();
+  let result = yield client._request("/duringDelayIShouldNotBeCalled", method);
+  do_check_eq(client.backoffError, null);
+  do_check_eq(result.working, "yes");
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_signUp() {
+  let creationMessage_noKey = JSON.stringify({
+    uid: "uid",
+    sessionToken: "sessionToken"
+  });
+  let creationMessage_withKey = JSON.stringify({
+    uid: "uid",
+    sessionToken: "sessionToken",
+    keyFetchToken: "keyFetchToken"
+  });
+  let errorMessage = JSON.stringify({code: 400, errno: 101, error: "account exists"});
+  let created = false;
+
+  // Note these strings must be unicode and not already utf-8 encoded.
+  let unicodeUsername = "andr\xe9@example.org"; // 'andré@example.org'
+  let unicodePassword = "p\xe4ssw\xf6rd"; // 'pässwörd'
+  let server = httpd_setup({
+    "/account/create": function(request, response) {
+      let body = CommonUtils.readBytesFromInputStream(request.bodyInputStream);
+      body = CommonUtils.decodeUTF8(body);
+      let jsonBody = JSON.parse(body);
+
+      // https://github.com/mozilla/fxa-auth-server/wiki/onepw-protocol#wiki-test-vectors
+
+      if (created) {
+        // Error trying to create same account a second time
+        response.setStatusLine(request.httpVersion, 400, "Bad request");
+        response.bodyOutputStream.write(errorMessage, errorMessage.length);
+        return;
+      }
+
+      if (jsonBody.email == unicodeUsername) {
+        do_check_eq("", request._queryString);
+        do_check_eq(jsonBody.authPW, "247b675ffb4c46310bc87e26d712153abe5e1c90ef00a4784594f97ef54f2375");
+
+        response.setStatusLine(request.httpVersion, 200, "OK");
+        response.bodyOutputStream.write(creationMessage_noKey,
+                                        creationMessage_noKey.length);
+        return;
+      }
+
+      if (jsonBody.email == "you@example.org") {
+        do_check_eq("keys=true", request._queryString);
+        do_check_eq(jsonBody.authPW, "e5c1cdfdaa5fcee06142db865b212cc8ba8abee2a27d639d42c139f006cdb930");
+        created = true;
+
+        response.setStatusLine(request.httpVersion, 200, "OK");
+        response.bodyOutputStream.write(creationMessage_withKey,
+                                        creationMessage_withKey.length);
+        return;
+      }
+      // just throwing here doesn't make any log noise, so have an assertion
+      // fail instead.
+      do_check_true(false, "unexpected email: " + jsonBody.email);
+    },
+  });
+
+  // Try to create an account without retrieving optional keys.
+  let client = new FxAccountsClient(server.baseURI);
+  let result = yield client.signUp(unicodeUsername, unicodePassword);
+  do_check_eq("uid", result.uid);
+  do_check_eq("sessionToken", result.sessionToken);
+  do_check_eq(undefined, result.keyFetchToken);
+  do_check_eq(result.unwrapBKey,
+              "de6a2648b78284fcb9ffa81ba95803309cfba7af583c01a8a1a63e567234dd28");
+
+  // Try to create an account retrieving optional keys.
+  result = yield client.signUp('you@example.org', 'pässwörd', true);
+  do_check_eq("uid", result.uid);
+  do_check_eq("sessionToken", result.sessionToken);
+  do_check_eq("keyFetchToken", result.keyFetchToken);
+  do_check_eq(result.unwrapBKey,
+              "f589225b609e56075d76eb74f771ff9ab18a4dc0e901e131ba8f984c7fb0ca8c");
+
+  // Try to create an existing account.  Triggers error path.
+  try {
+    result = yield client.signUp(unicodeUsername, unicodePassword);
+    do_throw("Expected to catch an exception");
+  } catch(expectedError) {
+    do_check_eq(101, expectedError.errno);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_signIn() {
+  let sessionMessage_noKey = JSON.stringify({
+    sessionToken: FAKE_SESSION_TOKEN
+  });
+  let sessionMessage_withKey = JSON.stringify({
+    sessionToken: FAKE_SESSION_TOKEN,
+    keyFetchToken: "keyFetchToken"
+  });
+  let errorMessage_notExistent = JSON.stringify({
+    code: 400,
+    errno: 102,
+    error: "doesn't exist"
+  });
+  let errorMessage_wrongCap = JSON.stringify({
+    code: 400,
+    errno: 120,
+    error: "Incorrect email case",
+    email: "you@example.com"
+  });
+
+  // Note this strings must be unicode and not already utf-8 encoded.
+  let unicodeUsername = "m\xe9@example.com" // 'mé@example.com'
+  let server = httpd_setup({
+    "/account/login": function(request, response) {
+      let body = CommonUtils.readBytesFromInputStream(request.bodyInputStream);
+      body = CommonUtils.decodeUTF8(body);
+      let jsonBody = JSON.parse(body);
+
+      if (jsonBody.email == unicodeUsername) {
+        do_check_eq("", request._queryString);
+        do_check_eq(jsonBody.authPW, "08b9d111196b8408e8ed92439da49206c8ecfbf343df0ae1ecefcd1e0174a8b6");
+        response.setStatusLine(request.httpVersion, 200, "OK");
+        response.bodyOutputStream.write(sessionMessage_noKey,
+                                        sessionMessage_noKey.length);
+        return;
+      }
+      else if (jsonBody.email == "you@example.com") {
+        do_check_eq("keys=true", request._queryString);
+        do_check_eq(jsonBody.authPW, "93d20ec50304d496d0707ec20d7e8c89459b6396ec5dd5b9e92809c5e42856c7");
+        response.setStatusLine(request.httpVersion, 200, "OK");
+        response.bodyOutputStream.write(sessionMessage_withKey,
+                                        sessionMessage_withKey.length);
+        return;
+      }
+      else if (jsonBody.email == "You@example.com") {
+        // Error trying to sign in with a wrong capitalization
+        response.setStatusLine(request.httpVersion, 400, "Bad request");
+        response.bodyOutputStream.write(errorMessage_wrongCap,
+                                        errorMessage_wrongCap.length);
+        return;
+      }
+      else {
+        // Error trying to sign in to nonexistent account
+        response.setStatusLine(request.httpVersion, 400, "Bad request");
+        response.bodyOutputStream.write(errorMessage_notExistent,
+                                        errorMessage_notExistent.length);
+        return;
+      }
+    },
+  });
+
+  // Login without retrieving optional keys
+  let client = new FxAccountsClient(server.baseURI);
+  let result = yield client.signIn(unicodeUsername, 'bigsecret');
+  do_check_eq(FAKE_SESSION_TOKEN, result.sessionToken);
+  do_check_eq(result.unwrapBKey,
+              "c076ec3f4af123a615157154c6e1d0d6293e514fd7b0221e32d50517ecf002b8");
+  do_check_eq(undefined, result.keyFetchToken);
+
+  // Login with retrieving optional keys
+  result = yield client.signIn('you@example.com', 'bigsecret', true);
+  do_check_eq(FAKE_SESSION_TOKEN, result.sessionToken);
+  do_check_eq(result.unwrapBKey,
+              "65970516211062112e955d6420bebe020269d6b6a91ebd288319fc8d0cb49624");
+  do_check_eq("keyFetchToken", result.keyFetchToken);
+
+  // Retry due to wrong email capitalization
+  result = yield client.signIn('You@example.com', 'bigsecret', true);
+  do_check_eq(FAKE_SESSION_TOKEN, result.sessionToken);
+  do_check_eq(result.unwrapBKey,
+              "65970516211062112e955d6420bebe020269d6b6a91ebd288319fc8d0cb49624");
+  do_check_eq("keyFetchToken", result.keyFetchToken);
+
+  // Trigger error path
+  try {
+    result = yield client.signIn("yøü@bad.example.org", "nofear");
+    do_throw("Expected to catch an exception");
+  } catch (expectedError) {
+    do_check_eq(102, expectedError.errno);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_signOut() {
+  let signoutMessage = JSON.stringify({});
+  let errorMessage = JSON.stringify({code: 400, errno: 102, error: "doesn't exist"});
+  let signedOut = false;
+
+  let server = httpd_setup({
+    "/session/destroy": function(request, response) {
+      if (!signedOut) {
+        signedOut = true;
+        do_check_true(request.hasHeader("Authorization"));
+        response.setStatusLine(request.httpVersion, 200, "OK");
+        response.bodyOutputStream.write(signoutMessage, signoutMessage.length);
+        return;
+      }
+
+      // Error trying to sign out of nonexistent account
+      response.setStatusLine(request.httpVersion, 400, "Bad request");
+      response.bodyOutputStream.write(errorMessage, errorMessage.length);
+      return;
+    },
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+  let result = yield client.signOut("FakeSession");
+  do_check_eq(typeof result, "object");
+
+  // Trigger error path
+  try {
+    result = yield client.signOut("FakeSession");
+    do_throw("Expected to catch an exception");
+  } catch(expectedError) {
+    do_check_eq(102, expectedError.errno);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_recoveryEmailStatus() {
+  let emailStatus = JSON.stringify({verified: true});
+  let errorMessage = JSON.stringify({code: 400, errno: 102, error: "doesn't exist"});
+  let tries = 0;
+
+  let server = httpd_setup({
+    "/recovery_email/status": function(request, response) {
+      do_check_true(request.hasHeader("Authorization"));
+      do_check_eq("", request._queryString);
+
+      if (tries === 0) {
+        tries += 1;
+        response.setStatusLine(request.httpVersion, 200, "OK");
+        response.bodyOutputStream.write(emailStatus, emailStatus.length);
+        return;
+      }
+
+      // Second call gets an error trying to query a nonexistent account
+      response.setStatusLine(request.httpVersion, 400, "Bad request");
+      response.bodyOutputStream.write(errorMessage, errorMessage.length);
+      return;
+    },
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+  let result = yield client.recoveryEmailStatus(FAKE_SESSION_TOKEN);
+  do_check_eq(result.verified, true);
+
+  // Trigger error path
+  try {
+    result = yield client.recoveryEmailStatus("some bogus session");
+    do_throw("Expected to catch an exception");
+  } catch(expectedError) {
+    do_check_eq(102, expectedError.errno);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_recoveryEmailStatusWithReason() {
+  let emailStatus = JSON.stringify({verified: true});
+  let server = httpd_setup({
+    "/recovery_email/status": function(request, response) {
+      do_check_true(request.hasHeader("Authorization"));
+      // if there is a query string then it will have a reason
+      do_check_eq("reason=push", request._queryString);
+
+      response.setStatusLine(request.httpVersion, 200, "OK");
+      response.bodyOutputStream.write(emailStatus, emailStatus.length);
+      return;
+    },
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+  let result = yield client.recoveryEmailStatus(FAKE_SESSION_TOKEN, {
+    reason: "push",
+  });
+  do_check_eq(result.verified, true);
+  yield deferredStop(server);
+});
+
+add_task(function* test_resendVerificationEmail() {
+  let emptyMessage = "{}";
+  let errorMessage = JSON.stringify({code: 400, errno: 102, error: "doesn't exist"});
+  let tries = 0;
+
+  let server = httpd_setup({
+    "/recovery_email/resend_code": function(request, response) {
+      do_check_true(request.hasHeader("Authorization"));
+      if (tries === 0) {
+        tries += 1;
+        response.setStatusLine(request.httpVersion, 200, "OK");
+        response.bodyOutputStream.write(emptyMessage, emptyMessage.length);
+        return;
+      }
+
+      // Second call gets an error trying to query a nonexistent account
+      response.setStatusLine(request.httpVersion, 400, "Bad request");
+      response.bodyOutputStream.write(errorMessage, errorMessage.length);
+      return;
+    },
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+  let result = yield client.resendVerificationEmail(FAKE_SESSION_TOKEN);
+  do_check_eq(JSON.stringify(result), emptyMessage);
+
+  // Trigger error path
+  try {
+    result = yield client.resendVerificationEmail("some bogus session");
+    do_throw("Expected to catch an exception");
+  } catch(expectedError) {
+    do_check_eq(102, expectedError.errno);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_accountKeys() {
+  // Four calls to accountKeys().  The first one should work correctly, and we
+  // should get a valid bundle back, in exchange for our keyFetch token, from
+  // which we correctly derive kA and wrapKB.  The subsequent three calls
+  // should all trigger separate error paths.
+  let responseMessage = JSON.stringify({bundle: ACCOUNT_KEYS.response});
+  let errorMessage = JSON.stringify({code: 400, errno: 102, error: "doesn't exist"});
+  let emptyMessage = "{}";
+  let attempt = 0;
+
+  let server = httpd_setup({
+    "/account/keys": function(request, response) {
+      do_check_true(request.hasHeader("Authorization"));
+      attempt += 1;
+
+      switch(attempt) {
+        case 1:
+          // First time succeeds
+          response.setStatusLine(request.httpVersion, 200, "OK");
+          response.bodyOutputStream.write(responseMessage, responseMessage.length);
+          break;
+
+        case 2:
+          // Second time, return no bundle to trigger client error
+          response.setStatusLine(request.httpVersion, 200, "OK");
+          response.bodyOutputStream.write(emptyMessage, emptyMessage.length);
+          break;
+
+        case 3:
+          // Return gibberish to trigger client MAC error
+          // Tweak a byte
+          let garbageResponse = JSON.stringify({
+            bundle: ACCOUNT_KEYS.response.slice(0, -1) + "1"
+          });
+          response.setStatusLine(request.httpVersion, 200, "OK");
+          response.bodyOutputStream.write(garbageResponse, garbageResponse.length);
+          break;
+
+        case 4:
+          // Trigger error for nonexistent account
+          response.setStatusLine(request.httpVersion, 400, "Bad request");
+          response.bodyOutputStream.write(errorMessage, errorMessage.length);
+          break;
+      }
+    },
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+
+  // First try, all should be good
+  let result = yield client.accountKeys(ACCOUNT_KEYS.keyFetch);
+  do_check_eq(CommonUtils.hexToBytes(ACCOUNT_KEYS.kA), result.kA);
+  do_check_eq(CommonUtils.hexToBytes(ACCOUNT_KEYS.wrapKB), result.wrapKB);
+
+  // Second try, empty bundle should trigger error
+  try {
+    result = yield client.accountKeys(ACCOUNT_KEYS.keyFetch);
+    do_throw("Expected to catch an exception");
+  } catch(expectedError) {
+    do_check_eq(expectedError.message, "failed to retrieve keys");
+  }
+
+  // Third try, bad bundle results in MAC error
+  try {
+    result = yield client.accountKeys(ACCOUNT_KEYS.keyFetch);
+    do_throw("Expected to catch an exception");
+  } catch(expectedError) {
+    do_check_eq(expectedError.message, "error unbundling encryption keys");
+  }
+
+  // Fourth try, pretend account doesn't exist
+  try {
+    result = yield client.accountKeys(ACCOUNT_KEYS.keyFetch);
+    do_throw("Expected to catch an exception");
+  } catch(expectedError) {
+    do_check_eq(102, expectedError.errno);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_signCertificate() {
+  let certSignMessage = JSON.stringify({cert: {bar: "baz"}});
+  let errorMessage = JSON.stringify({code: 400, errno: 102, error: "doesn't exist"});
+  let tries = 0;
+
+  let server = httpd_setup({
+    "/certificate/sign": function(request, response) {
+      do_check_true(request.hasHeader("Authorization"));
+
+      if (tries === 0) {
+        tries += 1;
+        let body = CommonUtils.readBytesFromInputStream(request.bodyInputStream);
+        let jsonBody = JSON.parse(body);
+        do_check_eq(JSON.parse(jsonBody.publicKey).foo, "bar");
+        do_check_eq(jsonBody.duration, 600);
+        response.setStatusLine(request.httpVersion, 200, "OK");
+        response.bodyOutputStream.write(certSignMessage, certSignMessage.length);
+        return;
+      }
+
+      // Second attempt, trigger error
+      response.setStatusLine(request.httpVersion, 400, "Bad request");
+      response.bodyOutputStream.write(errorMessage, errorMessage.length);
+      return;
+    },
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+  let result = yield client.signCertificate(FAKE_SESSION_TOKEN, JSON.stringify({foo: "bar"}), 600);
+  do_check_eq("baz", result.bar);
+
+  // Account doesn't exist
+  try {
+    result = yield client.signCertificate("bogus", JSON.stringify({foo: "bar"}), 600);
+    do_throw("Expected to catch an exception");
+  } catch(expectedError) {
+    do_check_eq(102, expectedError.errno);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_accountExists() {
+  let sessionMessage = JSON.stringify({sessionToken: FAKE_SESSION_TOKEN});
+  let existsMessage = JSON.stringify({error: "wrong password", code: 400, errno: 103});
+  let doesntExistMessage = JSON.stringify({error: "no such account", code: 400, errno: 102});
+  let emptyMessage = "{}";
+
+  let server = httpd_setup({
+    "/account/login": function(request, response) {
+      let body = CommonUtils.readBytesFromInputStream(request.bodyInputStream);
+      let jsonBody = JSON.parse(body);
+
+      switch (jsonBody.email) {
+        // We'll test that these users' accounts exist
+        case "i.exist@example.com":
+        case "i.also.exist@example.com":
+          response.setStatusLine(request.httpVersion, 400, "Bad request");
+          response.bodyOutputStream.write(existsMessage, existsMessage.length);
+          break;
+
+        // This user's account doesn't exist
+        case "i.dont.exist@example.com":
+          response.setStatusLine(request.httpVersion, 400, "Bad request");
+          response.bodyOutputStream.write(doesntExistMessage, doesntExistMessage.length);
+          break;
+
+        // This user throws an unexpected response
+        // This will reject the client signIn promise
+        case "i.break.things@example.com":
+          response.setStatusLine(request.httpVersion, 500, "Alas");
+          response.bodyOutputStream.write(emptyMessage, emptyMessage.length);
+          break;
+
+        default:
+          throw new Error("Unexpected login from " + jsonBody.email);
+          break;
+      }
+    },
+  });
+
+  let client = new FxAccountsClient(server.baseURI);
+  let result;
+
+  result = yield client.accountExists("i.exist@example.com");
+  do_check_true(result);
+
+  result = yield client.accountExists("i.also.exist@example.com");
+  do_check_true(result);
+
+  result = yield client.accountExists("i.dont.exist@example.com");
+  do_check_false(result);
+
+  try {
+    result = yield client.accountExists("i.break.things@example.com");
+    do_throw("Expected to catch an exception");
+  } catch(unexpectedError) {
+    do_check_eq(unexpectedError.code, 500);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_registerDevice() {
+  const DEVICE_ID = "device id";
+  const DEVICE_NAME = "device name";
+  const DEVICE_TYPE = "device type";
+  const ERROR_NAME = "test that the client promise rejects";
+
+  const server = httpd_setup({
+    "/account/device": function(request, response) {
+      const body = JSON.parse(CommonUtils.readBytesFromInputStream(request.bodyInputStream));
+
+      if (body.id || !body.name || !body.type || Object.keys(body).length !== 2) {
+        response.setStatusLine(request.httpVersion, 400, "Invalid request");
+        return response.bodyOutputStream.write("{}", 2);
+      }
+
+      if (body.name === ERROR_NAME) {
+        response.setStatusLine(request.httpVersion, 500, "Alas");
+        return response.bodyOutputStream.write("{}", 2);
+      }
+
+      body.id = DEVICE_ID;
+      body.createdAt = Date.now();
+
+      const responseMessage = JSON.stringify(body);
+
+      response.setStatusLine(request.httpVersion, 200, "OK");
+      response.bodyOutputStream.write(responseMessage, responseMessage.length);
+    },
+  });
+
+  const client = new FxAccountsClient(server.baseURI);
+  const result = yield client.registerDevice(FAKE_SESSION_TOKEN, DEVICE_NAME, DEVICE_TYPE);
+
+  do_check_true(result);
+  do_check_eq(Object.keys(result).length, 4);
+  do_check_eq(result.id, DEVICE_ID);
+  do_check_eq(typeof result.createdAt, 'number');
+  do_check_true(result.createdAt > 0);
+  do_check_eq(result.name, DEVICE_NAME);
+  do_check_eq(result.type, DEVICE_TYPE);
+
+  try {
+    yield client.registerDevice(FAKE_SESSION_TOKEN, ERROR_NAME, DEVICE_TYPE);
+    do_throw("Expected to catch an exception");
+  } catch(unexpectedError) {
+    do_check_eq(unexpectedError.code, 500);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_updateDevice() {
+  const DEVICE_ID = "some other id";
+  const DEVICE_NAME = "some other name";
+  const ERROR_ID = "test that the client promise rejects";
+
+  const server = httpd_setup({
+    "/account/device": function(request, response) {
+      const body = JSON.parse(CommonUtils.readBytesFromInputStream(request.bodyInputStream));
+
+      if (!body.id || !body.name || body.type || Object.keys(body).length !== 2) {
+        response.setStatusLine(request.httpVersion, 400, "Invalid request");
+        return response.bodyOutputStream.write("{}", 2);
+      }
+
+      if (body.id === ERROR_ID) {
+        response.setStatusLine(request.httpVersion, 500, "Alas");
+        return response.bodyOutputStream.write("{}", 2);
+      }
+
+      const responseMessage = JSON.stringify(body);
+
+      response.setStatusLine(request.httpVersion, 200, "OK");
+      response.bodyOutputStream.write(responseMessage, responseMessage.length);
+    },
+  });
+
+  const client = new FxAccountsClient(server.baseURI);
+  const result = yield client.updateDevice(FAKE_SESSION_TOKEN, DEVICE_ID, DEVICE_NAME);
+
+  do_check_true(result);
+  do_check_eq(Object.keys(result).length, 2);
+  do_check_eq(result.id, DEVICE_ID);
+  do_check_eq(result.name, DEVICE_NAME);
+
+  try {
+    yield client.updateDevice(FAKE_SESSION_TOKEN, ERROR_ID, DEVICE_NAME);
+    do_throw("Expected to catch an exception");
+  } catch(unexpectedError) {
+    do_check_eq(unexpectedError.code, 500);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_signOutAndDestroyDevice() {
+  const DEVICE_ID = "device id";
+  const ERROR_ID = "test that the client promise rejects";
+
+  const server = httpd_setup({
+    "/account/device/destroy": function(request, response) {
+      const body = JSON.parse(CommonUtils.readBytesFromInputStream(request.bodyInputStream));
+
+      if (!body.id) {
+        response.setStatusLine(request.httpVersion, 400, "Invalid request");
+        return response.bodyOutputStream.write(emptyMessage, emptyMessage.length);
+      }
+
+      if (body.id === ERROR_ID) {
+        response.setStatusLine(request.httpVersion, 500, "Alas");
+        return response.bodyOutputStream.write("{}", 2);
+      }
+
+      response.setStatusLine(request.httpVersion, 200, "OK");
+      response.bodyOutputStream.write("{}", 2);
+    },
+  });
+
+  const client = new FxAccountsClient(server.baseURI);
+  const result = yield client.signOutAndDestroyDevice(FAKE_SESSION_TOKEN, DEVICE_ID);
+
+  do_check_true(result);
+  do_check_eq(Object.keys(result).length, 0);
+
+  try {
+    yield client.signOutAndDestroyDevice(FAKE_SESSION_TOKEN, ERROR_ID);
+    do_throw("Expected to catch an exception");
+  } catch(unexpectedError) {
+    do_check_eq(unexpectedError.code, 500);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_getDeviceList() {
+  let canReturnDevices;
+
+  const server = httpd_setup({
+    "/account/devices": function(request, response) {
+      if (canReturnDevices) {
+        response.setStatusLine(request.httpVersion, 200, "OK");
+        response.bodyOutputStream.write("[]", 2);
+      } else {
+        response.setStatusLine(request.httpVersion, 500, "Alas");
+        response.bodyOutputStream.write("{}", 2);
+      }
+    },
+  });
+
+  const client = new FxAccountsClient(server.baseURI);
+
+  canReturnDevices = true;
+  const result = yield client.getDeviceList(FAKE_SESSION_TOKEN);
+  do_check_true(Array.isArray(result));
+  do_check_eq(result.length, 0);
+
+  try {
+    canReturnDevices = false;
+    yield client.getDeviceList(FAKE_SESSION_TOKEN);
+    do_throw("Expected to catch an exception");
+  } catch(unexpectedError) {
+    do_check_eq(unexpectedError.code, 500);
+  }
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_client_metrics() {
+  function writeResp(response, msg) {
+    if (typeof msg === "object") {
+      msg = JSON.stringify(msg);
+    }
+    response.bodyOutputStream.write(msg, msg.length);
+  }
+
+  let server = httpd_setup(
+    {
+      "/session/destroy": function(request, response) {
+        response.setHeader("Content-Type", "application/json; charset=utf-8");
+        response.setStatusLine(request.httpVersion, 401, "Unauthorized");
+        writeResp(response, {
+          error: "invalid authentication timestamp",
+          code: 401,
+          errno: 111,
+        });
+      },
+    }
+  );
+
+  let client = new FxAccountsClient(server.baseURI);
+
+  yield rejects(client.signOut(FAKE_SESSION_TOKEN, {
+    service: "sync",
+  }), function(err) {
+    return err.errno == 111;
+  });
+
+  yield deferredStop(server);
+});
+
+add_task(function* test_email_case() {
+  let canonicalEmail = "greta.garbo@gmail.com";
+  let clientEmail = "Greta.Garbo@gmail.COM";
+  let attempts = 0;
+
+  function writeResp(response, msg) {
+    if (typeof msg === "object") {
+      msg = JSON.stringify(msg);
+    }
+    response.bodyOutputStream.write(msg, msg.length);
+  }
+
+  let server = httpd_setup(
+    {
+      "/account/login": function(request, response) {
+        response.setHeader("Content-Type", "application/json; charset=utf-8");
+        attempts += 1;
+        if (attempts > 2) {
+          response.setStatusLine(request.httpVersion, 429, "Sorry, you had your chance");
+          return writeResp(response, "");
+        }
+
+        let body = CommonUtils.readBytesFromInputStream(request.bodyInputStream);
+        let jsonBody = JSON.parse(body);
+        let email = jsonBody.email;
+
+        // If the client has the wrong case on the email, we return a 400, with
+        // the capitalization of the email as saved in the accounts database.
+        if (email == canonicalEmail) {
+          response.setStatusLine(request.httpVersion, 200, "Yay");
+          return writeResp(response, {areWeHappy: "yes"});
+        }
+
+        response.setStatusLine(request.httpVersion, 400, "Incorrect email case");
+        return writeResp(response, {
+          code: 400,
+          errno: 120,
+          error: "Incorrect email case",
+          email: canonicalEmail
+        });
+      },
+    }
+  );
+
+  let client = new FxAccountsClient(server.baseURI);
+
+  let result = yield client.signIn(clientEmail, "123456");
+  do_check_eq(result.areWeHappy, "yes");
+  do_check_eq(attempts, 2);
+
+  yield deferredStop(server);
+});
+
+// turn formatted test vectors into normal hex strings
+function h(hexStr) {
+  return hexStr.replace(/\s+/g, "");
+}
diff --git a/services/fxaccounts/tests/xpcshell/test_credentials.js b/services/fxaccounts/tests/xpcshell/test_credentials.js
new file mode 100644
index 0000000000..cbd9e4c7a0
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_credentials.js
@@ -0,0 +1,110 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+Cu.import("resource://gre/modules/Credentials.jsm");
+Cu.import("resource://gre/modules/Promise.jsm");
+Cu.import("resource://services-common/utils.js");
+Cu.import("resource://services-crypto/utils.js");
+
+var {hexToBytes: h2b,
+     hexAsString: h2s,
+     stringAsHex: s2h,
+     bytesAsHex: b2h} = CommonUtils;
+
+// Test vectors for the "onepw" protocol:
+// https://github.com/mozilla/fxa-auth-server/wiki/onepw-protocol#wiki-test-vectors
+var vectors = {
+  "client stretch-KDF": {
+    email:
+      h("616e6472c3a94065 78616d706c652e6f 7267"),
+    password:
+      h("70c3a4737377c3b6 7264"),
+    quickStretchedPW:
+      h("e4e8889bd8bd61ad 6de6b95c059d56e7 b50dacdaf62bd846 44af7e2add84345d"),
+    authPW:
+      h("247b675ffb4c4631 0bc87e26d712153a be5e1c90ef00a478 4594f97ef54f2375"),
+    authSalt:
+      h("00f0000000000000 0000000000000000 0000000000000000 0000000000000000"),
+  },
+};
+
+// A simple test suite with no utf8 encoding madness.
+add_task(function* test_onepw_setup_credentials() {
+  let email = "francine@example.org";
+  let password = CommonUtils.encodeUTF8("i like pie");
+
+  let pbkdf2 = CryptoUtils.pbkdf2Generate;
+  let hkdf = CryptoUtils.hkdf;
+
+  // quickStretch the email
+  let saltyEmail = Credentials.keyWordExtended("quickStretch", email);
+
+  do_check_eq(b2h(saltyEmail), "6964656e746974792e6d6f7a696c6c612e636f6d2f7069636c2f76312f717569636b537472657463683a6672616e63696e65406578616d706c652e6f7267");
+
+  let pbkdf2Rounds = 1000;
+  let pbkdf2Len = 32;
+
+  let quickStretchedPW = pbkdf2(password, saltyEmail, pbkdf2Rounds, pbkdf2Len, Ci.nsICryptoHMAC.SHA256, 32);
+  let quickStretchedActual = "6b88094c1c73bbf133223f300d101ed70837af48d9d2c1b6e7d38804b20cdde4";
+  do_check_eq(b2h(quickStretchedPW), quickStretchedActual);
+
+  // obtain hkdf info
+  let authKeyInfo = Credentials.keyWord('authPW');
+  do_check_eq(b2h(authKeyInfo), "6964656e746974792e6d6f7a696c6c612e636f6d2f7069636c2f76312f617574685057");
+
+  // derive auth password
+  let hkdfSalt = h2b("00");
+  let hkdfLen = 32;
+  let authPW = hkdf(quickStretchedPW, hkdfSalt, authKeyInfo, hkdfLen);
+
+  do_check_eq(b2h(authPW), "4b8dec7f48e7852658163601ff766124c312f9392af6c3d4e1a247eb439be342");
+
+  // derive unwrap key
+  let unwrapKeyInfo = Credentials.keyWord('unwrapBkey');
+  let unwrapKey = hkdf(quickStretchedPW, hkdfSalt, unwrapKeyInfo, hkdfLen);
+
+  do_check_eq(b2h(unwrapKey), "8ff58975be391338e4ec5d7138b5ed7b65c7d1bfd1f3a4f93e05aa47d5b72be9");
+});
+
+add_task(function* test_client_stretch_kdf() {
+  let pbkdf2 = CryptoUtils.pbkdf2Generate;
+  let hkdf = CryptoUtils.hkdf;
+  let expected = vectors["client stretch-KDF"];
+
+  let email = h2s(expected.email);
+  let password = h2s(expected.password);
+
+  // Intermediate value from sjcl implementation in fxa-js-client
+  // The key thing is the c3a9 sequence in "andré"
+  let salt = Credentials.keyWordExtended("quickStretch", email);
+  do_check_eq(b2h(salt), "6964656e746974792e6d6f7a696c6c612e636f6d2f7069636c2f76312f717569636b537472657463683a616e6472c3a9406578616d706c652e6f7267");
+
+  let options = {
+    stretchedPassLength: 32,
+    pbkdf2Rounds: 1000,
+    hmacAlgorithm: Ci.nsICryptoHMAC.SHA256,
+    hmacLength: 32,
+    hkdfSalt: h2b("00"),
+    hkdfLength: 32,
+  };
+
+  let results = yield Credentials.setup(email, password, options);
+
+  do_check_eq(expected.quickStretchedPW, b2h(results.quickStretchedPW),
+      "quickStretchedPW is wrong");
+
+  do_check_eq(expected.authPW, b2h(results.authPW),
+      "authPW is wrong");
+});
+
+// End of tests
+// Utility functions follow
+
+function run_test() {
+  run_next_test();
+}
+
+// turn formatted test vectors into normal hex strings
+function h(hexStr) {
+  return hexStr.replace(/\s+/g, "");
+}
diff --git a/services/fxaccounts/tests/xpcshell/test_loginmgr_storage.js b/services/fxaccounts/tests/xpcshell/test_loginmgr_storage.js
new file mode 100644
index 0000000000..64ddb1fd1d
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_loginmgr_storage.js
@@ -0,0 +1,214 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests for FxAccounts, storage and the master password.
+
+// Stop us hitting the real auth server.
+Services.prefs.setCharPref("identity.fxaccounts.auth.uri", "http://localhost");
+// See verbose logging from FxAccounts.jsm
+Services.prefs.setCharPref("identity.fxaccounts.loglevel", "Trace");
+
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/FxAccounts.jsm");
+Cu.import("resource://gre/modules/FxAccountsClient.jsm");
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/osfile.jsm");
+Cu.import("resource://services-common/utils.js");
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+
+// Use a backstage pass to get at our LoginManagerStorage object, so we can
+// mock the prototype.
+var {LoginManagerStorage} = Cu.import("resource://gre/modules/FxAccountsStorage.jsm", {});
+var isLoggedIn = true;
+LoginManagerStorage.prototype.__defineGetter__("_isLoggedIn", () => isLoggedIn);
+
+function setLoginMgrLoggedInState(loggedIn) {
+  isLoggedIn = loggedIn;
+}
+
+
+initTestLogging("Trace");
+
+function run_test() {
+  run_next_test();
+}
+
+function getLoginMgrData() {
+  let logins = Services.logins.findLogins({}, FXA_PWDMGR_HOST, null, FXA_PWDMGR_REALM);
+  if (logins.length == 0) {
+    return null;
+  }
+  Assert.equal(logins.length, 1, "only 1 login available");
+  return logins[0];
+}
+
+function createFxAccounts() {
+  return new FxAccounts({
+    _getDeviceName() {
+      return "mock device name";
+    },
+    fxaPushService: {
+      registerPushEndpoint() {
+        return new Promise((resolve) => {
+          resolve({
+            endpoint: "http://mochi.test:8888"
+          });
+        });
+      },
+    }
+  });
+}
+
+add_task(function* test_simple() {
+  let fxa = createFxAccounts();
+
+  let creds = {
+    uid: "abcd",
+    email: "test@example.com",
+    sessionToken: "sessionToken",
+    kA: "the kA value",
+    kB: "the kB value",
+    verified: true
+  };
+  yield fxa.setSignedInUser(creds);
+
+  // This should have stored stuff in both the .json file in the profile
+  // dir, and the login dir.
+  let path = OS.Path.join(OS.Constants.Path.profileDir, "signedInUser.json");
+  let data = yield CommonUtils.readJSON(path);
+
+  Assert.strictEqual(data.accountData.email, creds.email, "correct email in the clear text");
+  Assert.strictEqual(data.accountData.sessionToken, creds.sessionToken, "correct sessionToken in the clear text");
+  Assert.strictEqual(data.accountData.verified, creds.verified, "correct verified flag");
+
+  Assert.ok(!("kA" in data.accountData), "kA not stored in clear text");
+  Assert.ok(!("kB" in data.accountData), "kB not stored in clear text");
+
+  let login = getLoginMgrData();
+  Assert.strictEqual(login.username, creds.uid, "uid used for username");
+  let loginData = JSON.parse(login.password);
+  Assert.strictEqual(loginData.version, data.version, "same version flag in both places");
+  Assert.strictEqual(loginData.accountData.kA, creds.kA, "correct kA in the login mgr");
+  Assert.strictEqual(loginData.accountData.kB, creds.kB, "correct kB in the login mgr");
+
+  Assert.ok(!("email" in loginData), "email not stored in the login mgr json");
+  Assert.ok(!("sessionToken" in loginData), "sessionToken not stored in the login mgr json");
+  Assert.ok(!("verified" in loginData), "verified not stored in the login mgr json");
+
+  yield fxa.signOut(/* localOnly = */ true);
+  Assert.strictEqual(getLoginMgrData(), null, "login mgr data deleted on logout");
+});
+
+add_task(function* test_MPLocked() {
+  let fxa = createFxAccounts();
+
+  let creds = {
+    uid: "abcd",
+    email: "test@example.com",
+    sessionToken: "sessionToken",
+    kA: "the kA value",
+    kB: "the kB value",
+    verified: true
+  };
+
+  Assert.strictEqual(getLoginMgrData(), null, "no login mgr at the start");
+  // tell the storage that the MP is locked.
+  setLoginMgrLoggedInState(false);
+  yield fxa.setSignedInUser(creds);
+
+  // This should have stored stuff in the .json, and the login manager stuff
+  // will not exist.
+  let path = OS.Path.join(OS.Constants.Path.profileDir, "signedInUser.json");
+  let data = yield CommonUtils.readJSON(path);
+
+  Assert.strictEqual(data.accountData.email, creds.email, "correct email in the clear text");
+  Assert.strictEqual(data.accountData.sessionToken, creds.sessionToken, "correct sessionToken in the clear text");
+  Assert.strictEqual(data.accountData.verified, creds.verified, "correct verified flag");
+
+  Assert.ok(!("kA" in data.accountData), "kA not stored in clear text");
+  Assert.ok(!("kB" in data.accountData), "kB not stored in clear text");
+
+  Assert.strictEqual(getLoginMgrData(), null, "login mgr data doesn't exist");
+  yield fxa.signOut(/* localOnly = */ true)
+});
+
+
+add_task(function* test_consistentWithMPEdgeCases() {
+  setLoginMgrLoggedInState(true);
+
+  let fxa = createFxAccounts();
+
+  let creds1 = {
+    uid: "uid1",
+    email: "test@example.com",
+    sessionToken: "sessionToken",
+    kA: "the kA value",
+    kB: "the kB value",
+    verified: true
+  };
+
+  let creds2 = {
+    uid: "uid2",
+    email: "test2@example.com",
+    sessionToken: "sessionToken2",
+    kA: "the kA value2",
+    kB: "the kB value2",
+    verified: false,
+  };
+
+  // Log a user in while MP is unlocked.
+  yield fxa.setSignedInUser(creds1);
+
+  // tell the storage that the MP is locked - this will prevent logout from
+  // being able to clear the data.
+  setLoginMgrLoggedInState(false);
+
+  // now set the second credentials.
+  yield fxa.setSignedInUser(creds2);
+
+  // We should still have creds1 data in the login manager.
+  let login = getLoginMgrData();
+  Assert.strictEqual(login.username, creds1.uid);
+  // and that we do have the first kA in the login manager.
+  Assert.strictEqual(JSON.parse(login.password).accountData.kA, creds1.kA,
+                     "stale data still in login mgr");
+
+  // Make a new FxA instance (otherwise the values in memory will be used)
+  // and we want the login manager to be unlocked.
+  setLoginMgrLoggedInState(true);
+  fxa = createFxAccounts();
+
+  let accountData = yield fxa.getSignedInUser();
+  Assert.strictEqual(accountData.email, creds2.email);
+  // we should have no kA at all.
+  Assert.strictEqual(accountData.kA, undefined, "stale kA wasn't used");
+  yield fxa.signOut(/* localOnly = */ true)
+});
+
+// A test for the fact we will accept either a UID or email when looking in
+// the login manager.
+add_task(function* test_uidMigration() {
+  setLoginMgrLoggedInState(true);
+  Assert.strictEqual(getLoginMgrData(), null, "expect no logins at the start");
+
+  // create the login entry using email as a key.
+  let contents = {kA: "kA"};
+
+  let loginInfo = new Components.Constructor(
+   "@mozilla.org/login-manager/loginInfo;1", Ci.nsILoginInfo, "init");
+  let login = new loginInfo(FXA_PWDMGR_HOST,
+                            null, // aFormSubmitURL,
+                            FXA_PWDMGR_REALM, // aHttpRealm,
+                            "foo@bar.com", // aUsername
+                            JSON.stringify(contents), // aPassword
+                            "", // aUsernameField
+                            "");// aPasswordField
+  Services.logins.addLogin(login);
+
+  // ensure we read it.
+  let storage = new LoginManagerStorage();
+  let got = yield storage.get("uid", "foo@bar.com");
+  Assert.deepEqual(got, contents);
+});
diff --git a/services/fxaccounts/tests/xpcshell/test_oauth_client.js b/services/fxaccounts/tests/xpcshell/test_oauth_client.js
new file mode 100644
index 0000000000..9bcb1b1ab1
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_oauth_client.js
@@ -0,0 +1,55 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/FxAccountsOAuthClient.jsm");
+
+function run_test() {
+  validationHelper(undefined,
+  "Error: Missing 'parameters' configuration option");
+
+  validationHelper({},
+  "Error: Missing 'parameters' configuration option");
+
+  validationHelper({ parameters: {} },
+  "Error: Missing 'parameters.oauth_uri' parameter");
+
+  validationHelper({ parameters: {
+    oauth_uri: "http://oauth.test/v1"
+  }},
+  "Error: Missing 'parameters.client_id' parameter");
+
+  validationHelper({ parameters: {
+    oauth_uri: "http://oauth.test/v1",
+    client_id: "client_id"
+  }},
+  "Error: Missing 'parameters.content_uri' parameter");
+
+  validationHelper({ parameters: {
+    oauth_uri: "http://oauth.test/v1",
+    client_id: "client_id",
+    content_uri: "http://content.test"
+  }},
+  "Error: Missing 'parameters.state' parameter");
+
+  validationHelper({ parameters: {
+    oauth_uri: "http://oauth.test/v1",
+    client_id: "client_id",
+    content_uri: "http://content.test",
+    state: "complete",
+    action: "force_auth"
+  }},
+  "Error: parameters.email is required for action 'force_auth'");
+
+  run_next_test();
+}
+
+function validationHelper(params, expected) {
+  try {
+    new FxAccountsOAuthClient(params);
+  } catch (e) {
+    return do_check_eq(e.toString(), expected);
+  }
+  throw new Error("Validation helper error");
+}
diff --git a/services/fxaccounts/tests/xpcshell/test_oauth_grant_client.js b/services/fxaccounts/tests/xpcshell/test_oauth_grant_client.js
new file mode 100644
index 0000000000..244b79a5ee
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_oauth_grant_client.js
@@ -0,0 +1,292 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/FxAccountsOAuthGrantClient.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+const CLIENT_OPTIONS = {
+  serverURL: "http://127.0.0.1:9010/v1",
+  client_id: 'abc123'
+};
+
+const STATUS_SUCCESS = 200;
+
+/**
+ * Mock request responder
+ * @param {String} response
+ *        Mocked raw response from the server
+ * @returns {Function}
+ */
+var mockResponse = function (response) {
+  return function () {
+    return {
+      setHeader: function () {},
+      post: function () {
+        this.response = response;
+        this.onComplete();
+      }
+    };
+  };
+};
+
+/**
+ * Mock request error responder
+ * @param {Error} error
+ *        Error object
+ * @returns {Function}
+ */
+var mockResponseError = function (error) {
+  return function () {
+    return {
+      setHeader: function () {},
+      post: function () {
+        this.onComplete(error);
+      }
+    };
+  };
+};
+
+add_test(function missingParams () {
+  let client = new FxAccountsOAuthGrantClient(CLIENT_OPTIONS);
+  try {
+    client.getTokenFromAssertion()
+  } catch (e) {
+    do_check_eq(e.message, "Missing 'assertion' parameter");
+  }
+
+  try {
+    client.getTokenFromAssertion("assertion")
+  } catch (e) {
+    do_check_eq(e.message, "Missing 'scope' parameter");
+  }
+
+  run_next_test();
+});
+
+add_test(function successfulResponse () {
+  let client = new FxAccountsOAuthGrantClient(CLIENT_OPTIONS);
+  let response = {
+    success: true,
+    status: STATUS_SUCCESS,
+    body: "{\"access_token\":\"http://example.com/image.jpeg\",\"id\":\"0d5c1a89b8c54580b8e3e8adadae864a\"}",
+  };
+
+  client._Request = new mockResponse(response);
+  client.getTokenFromAssertion("assertion", "scope")
+    .then(
+      function (result) {
+        do_check_eq(result.access_token, "http://example.com/image.jpeg");
+        run_next_test();
+      }
+    );
+});
+
+add_test(function successfulDestroy () {
+  let client = new FxAccountsOAuthGrantClient(CLIENT_OPTIONS);
+  let response = {
+    success: true,
+    status: STATUS_SUCCESS,
+    body: "{}",
+  };
+
+  client._Request = new mockResponse(response);
+  client.destroyToken("deadbeef").then(run_next_test);
+});
+
+add_test(function parseErrorResponse () {
+  let client = new FxAccountsOAuthGrantClient(CLIENT_OPTIONS);
+  let response = {
+    success: true,
+    status: STATUS_SUCCESS,
+    body: "unexpected",
+  };
+
+  client._Request = new mockResponse(response);
+  client.getTokenFromAssertion("assertion", "scope")
+    .then(
+      null,
+      function (e) {
+        do_check_eq(e.name, "FxAccountsOAuthGrantClientError");
+        do_check_eq(e.code, STATUS_SUCCESS);
+        do_check_eq(e.errno, ERRNO_PARSE);
+        do_check_eq(e.error, ERROR_PARSE);
+        do_check_eq(e.message, "unexpected");
+        run_next_test();
+      }
+    );
+});
+
+add_test(function serverErrorResponse () {
+  let client = new FxAccountsOAuthGrantClient(CLIENT_OPTIONS);
+  let response = {
+    status: 400,
+    body: "{ \"code\": 400, \"errno\": 104, \"error\": \"Bad Request\", \"message\": \"Unauthorized\", \"reason\": \"Invalid fxa assertion\" }",
+  };
+
+  client._Request = new mockResponse(response);
+  client.getTokenFromAssertion("blah", "scope")
+    .then(
+    null,
+    function (e) {
+      do_check_eq(e.name, "FxAccountsOAuthGrantClientError");
+      do_check_eq(e.code, 400);
+      do_check_eq(e.errno, ERRNO_INVALID_FXA_ASSERTION);
+      do_check_eq(e.error, "Bad Request");
+      do_check_eq(e.message, "Unauthorized");
+      run_next_test();
+    }
+  );
+});
+
+add_test(function networkErrorResponse () {
+  let client = new FxAccountsOAuthGrantClient({
+    serverURL: "http://",
+    client_id: "abc123"
+  });
+  Services.prefs.setBoolPref("identity.fxaccounts.skipDeviceRegistration", true);
+  client.getTokenFromAssertion("assertion", "scope")
+    .then(
+      null,
+      function (e) {
+        do_check_eq(e.name, "FxAccountsOAuthGrantClientError");
+        do_check_eq(e.code, null);
+        do_check_eq(e.errno, ERRNO_NETWORK);
+        do_check_eq(e.error, ERROR_NETWORK);
+        run_next_test();
+      }
+    ).catch(() => {}).then(() =>
+      Services.prefs.clearUserPref("identity.fxaccounts.skipDeviceRegistration"));
+});
+
+add_test(function unsupportedMethod () {
+  let client = new FxAccountsOAuthGrantClient(CLIENT_OPTIONS);
+
+  return client._createRequest("/", "PUT")
+    .then(
+      null,
+      function (e) {
+        do_check_eq(e.name, "FxAccountsOAuthGrantClientError");
+        do_check_eq(e.code, ERROR_CODE_METHOD_NOT_ALLOWED);
+        do_check_eq(e.errno, ERRNO_NETWORK);
+        do_check_eq(e.error, ERROR_NETWORK);
+        do_check_eq(e.message, ERROR_MSG_METHOD_NOT_ALLOWED);
+        run_next_test();
+      }
+    );
+});
+
+add_test(function onCompleteRequestError () {
+  let client = new FxAccountsOAuthGrantClient(CLIENT_OPTIONS);
+  client._Request = new mockResponseError(new Error("onComplete error"));
+  client.getTokenFromAssertion("assertion", "scope")
+    .then(
+      null,
+      function (e) {
+        do_check_eq(e.name, "FxAccountsOAuthGrantClientError");
+        do_check_eq(e.code, null);
+        do_check_eq(e.errno, ERRNO_NETWORK);
+        do_check_eq(e.error, ERROR_NETWORK);
+        do_check_eq(e.message, "Error: onComplete error");
+        run_next_test();
+      }
+  );
+});
+
+add_test(function incorrectErrno() {
+  let client = new FxAccountsOAuthGrantClient(CLIENT_OPTIONS);
+  let response = {
+    status: 400,
+    body: "{ \"code\": 400, \"errno\": \"bad errno\", \"error\": \"Bad Request\", \"message\": \"Unauthorized\", \"reason\": \"Invalid fxa assertion\" }",
+  };
+
+  client._Request = new mockResponse(response);
+  client.getTokenFromAssertion("blah", "scope")
+    .then(
+    null,
+    function (e) {
+      do_check_eq(e.name, "FxAccountsOAuthGrantClientError");
+      do_check_eq(e.code, 400);
+      do_check_eq(e.errno, ERRNO_UNKNOWN_ERROR);
+      do_check_eq(e.error, "Bad Request");
+      do_check_eq(e.message, "Unauthorized");
+      run_next_test();
+    }
+  );
+});
+
+add_test(function constructorTests() {
+  validationHelper(undefined,
+    "Error: Missing configuration options");
+
+  validationHelper({},
+    "Error: Missing 'serverURL' parameter");
+
+  validationHelper({ serverURL: "http://example.com" },
+    "Error: Missing 'client_id' parameter");
+
+  validationHelper({ client_id: "123ABC" },
+    "Error: Missing 'serverURL' parameter");
+
+  validationHelper({ client_id: "123ABC", serverURL: "badUrl" },
+    "Error: Invalid 'serverURL'");
+
+  run_next_test();
+});
+
+add_test(function errorTests() {
+  let error1 = new FxAccountsOAuthGrantClientError();
+  do_check_eq(error1.name, "FxAccountsOAuthGrantClientError");
+  do_check_eq(error1.code, null);
+  do_check_eq(error1.errno, ERRNO_UNKNOWN_ERROR);
+  do_check_eq(error1.error, ERROR_UNKNOWN);
+  do_check_eq(error1.message, null);
+
+  let error2 = new FxAccountsOAuthGrantClientError({
+    code: STATUS_SUCCESS,
+    errno: 1,
+    error: "Error",
+    message: "Something",
+  });
+  let fields2 = error2._toStringFields();
+  let statusCode = 1;
+
+  do_check_eq(error2.name, "FxAccountsOAuthGrantClientError");
+  do_check_eq(error2.code, STATUS_SUCCESS);
+  do_check_eq(error2.errno, statusCode);
+  do_check_eq(error2.error, "Error");
+  do_check_eq(error2.message, "Something");
+
+  do_check_eq(fields2.name, "FxAccountsOAuthGrantClientError");
+  do_check_eq(fields2.code, STATUS_SUCCESS);
+  do_check_eq(fields2.errno, statusCode);
+  do_check_eq(fields2.error, "Error");
+  do_check_eq(fields2.message, "Something");
+
+  do_check_true(error2.toString().indexOf("Something") >= 0);
+  run_next_test();
+});
+
+function run_test() {
+  run_next_test();
+}
+
+/**
+ * Quick way to test the "FxAccountsOAuthGrantClient" constructor.
+ *
+ * @param {Object} options
+ *        FxAccountsOAuthGrantClient constructor options
+ * @param {String} expected
+ *        Expected error message
+ * @returns {*}
+ */
+function validationHelper(options, expected) {
+  try {
+    new FxAccountsOAuthGrantClient(options);
+  } catch (e) {
+    return do_check_eq(e.toString(), expected);
+  }
+  throw new Error("Validation helper error");
+}
diff --git a/services/fxaccounts/tests/xpcshell/test_oauth_grant_client_server.js b/services/fxaccounts/tests/xpcshell/test_oauth_grant_client_server.js
new file mode 100644
index 0000000000..bd446513e8
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_oauth_grant_client_server.js
@@ -0,0 +1,73 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// A test of FxAccountsOAuthGrantClient but using a real server it can
+// hit.
+"use strict";
+
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/FxAccountsOAuthGrantClient.jsm");
+
+// handlers for our server.
+var numTokenFetches;
+var activeTokens;
+
+function authorize(request, response) {
+  response.setStatusLine("1.1", 200, "OK");
+  let token = "token" + numTokenFetches;
+  numTokenFetches += 1;
+  activeTokens.add(token);
+  response.write(JSON.stringify({access_token: token}));
+}
+
+function destroy(request, response) {
+  // Getting the body seems harder than it should be!
+  let sis = Cc["@mozilla.org/scriptableinputstream;1"]
+            .createInstance(Ci.nsIScriptableInputStream);
+  sis.init(request.bodyInputStream);
+  let body = JSON.parse(sis.read(sis.available()));
+  sis.close();
+  let token = body.token;
+  ok(activeTokens.delete(token));
+  print("after destroy have", activeTokens.size, "tokens left.")
+  response.setStatusLine("1.1", 200, "OK");
+  response.write('{}');
+}
+
+function startServer() {
+  numTokenFetches = 0;
+  activeTokens = new Set();
+  let srv = new HttpServer();
+  srv.registerPathHandler("/v1/authorization", authorize);
+  srv.registerPathHandler("/v1/destroy", destroy);
+  srv.start(-1);
+  return srv;
+}
+
+function promiseStopServer(server) {
+  return new Promise(resolve => {
+    server.stop(resolve);
+  });
+}
+
+add_task(function* getAndRevokeToken () {
+  let server = startServer();
+  let clientOptions = {
+    serverURL: "http://localhost:" + server.identity.primaryPort + "/v1",
+    client_id: 'abc123',
+  }
+
+  let client = new FxAccountsOAuthGrantClient(clientOptions);
+  let result = yield client.getTokenFromAssertion("assertion", "scope");
+  equal(result.access_token, "token0");
+  equal(numTokenFetches, 1, "we hit the server to fetch a token");
+  yield client.destroyToken("token0");
+  equal(activeTokens.size, 0, "We hit the server to revoke it");
+  yield promiseStopServer(server);
+});
+
+// XXX - TODO - we should probably add more tests for unexpected responses etc.
+
+function run_test() {
+  run_next_test();
+}
diff --git a/services/fxaccounts/tests/xpcshell/test_oauth_token_storage.js b/services/fxaccounts/tests/xpcshell/test_oauth_token_storage.js
new file mode 100644
index 0000000000..08642846b7
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_oauth_token_storage.js
@@ -0,0 +1,165 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/FxAccounts.jsm");
+Cu.import("resource://gre/modules/FxAccountsClient.jsm");
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/osfile.jsm");
+
+// We grab some additional stuff via backstage passes.
+var {AccountState} = Cu.import("resource://gre/modules/FxAccounts.jsm", {});
+
+function promiseNotification(topic) {
+  return new Promise(resolve => {
+    let observe = () => {
+      Services.obs.removeObserver(observe, topic);
+      resolve();
+    }
+    Services.obs.addObserver(observe, topic, false);
+  });
+}
+
+// A storage manager that doesn't actually write anywhere.
+function MockStorageManager() {
+}
+
+MockStorageManager.prototype = {
+  promiseInitialized: Promise.resolve(),
+
+  initialize(accountData) {
+    this.accountData = accountData;
+  },
+
+  finalize() {
+    return Promise.resolve();
+  },
+
+  getAccountData() {
+    return Promise.resolve(this.accountData);
+  },
+
+  updateAccountData(updatedFields) {
+    for (let [name, value] of Object.entries(updatedFields)) {
+      if (value == null) {
+        delete this.accountData[name];
+      } else {
+        this.accountData[name] = value;
+      }
+    }
+    return Promise.resolve();
+  },
+
+  deleteAccountData() {
+    this.accountData = null;
+    return Promise.resolve();
+  }
+}
+
+
+// Just enough mocks so we can avoid hawk etc.
+function MockFxAccountsClient() {
+  this._email = "nobody@example.com";
+  this._verified = false;
+
+  this.accountStatus = function(uid) {
+    let deferred = Promise.defer();
+    deferred.resolve(!!uid && (!this._deletedOnServer));
+    return deferred.promise;
+  };
+
+  this.signOut = function() { return Promise.resolve(); };
+  this.registerDevice = function() { return Promise.resolve(); };
+  this.updateDevice = function() { return Promise.resolve(); };
+  this.signOutAndDestroyDevice = function() { return Promise.resolve(); };
+  this.getDeviceList = function() { return Promise.resolve(); };
+
+  FxAccountsClient.apply(this);
+}
+
+MockFxAccountsClient.prototype = {
+  __proto__: FxAccountsClient.prototype
+}
+
+function MockFxAccounts(device={}) {
+  return new FxAccounts({
+    fxAccountsClient: new MockFxAccountsClient(),
+    newAccountState(credentials) {
+      // we use a real accountState but mocked storage.
+      let storage = new MockStorageManager();
+      storage.initialize(credentials);
+      return new AccountState(storage);
+    },
+    _getDeviceName() {
+      return "mock device name";
+    },
+    fxaPushService: {
+      registerPushEndpoint() {
+        return new Promise((resolve) => {
+          resolve({
+            endpoint: "http://mochi.test:8888"
+          });
+        });
+      },
+    },
+  });
+}
+
+function* createMockFxA() {
+  let fxa = new MockFxAccounts();
+  let credentials = {
+    email: "foo@example.com",
+    uid: "1234@lcip.org",
+    assertion: "foobar",
+    sessionToken: "dead",
+    kA: "beef",
+    kB: "cafe",
+    verified: true
+  };
+  yield fxa.setSignedInUser(credentials);
+  return fxa;
+}
+
+// The tests.
+function run_test() {
+  run_next_test();
+}
+
+add_task(function* testCacheStorage() {
+  let fxa = yield createMockFxA();
+
+  // Hook what the impl calls to save to disk.
+  let cas = fxa.internal.currentAccountState;
+  let origPersistCached = cas._persistCachedTokens.bind(cas)
+  cas._persistCachedTokens = function() {
+    return origPersistCached().then(() => {
+      Services.obs.notifyObservers(null, "testhelper-fxa-cache-persist-done", null);
+    });
+  };
+
+  let promiseWritten = promiseNotification("testhelper-fxa-cache-persist-done");
+  let tokenData = {token: "token1", somethingelse: "something else"};
+  let scopeArray = ["foo", "bar"];
+  cas.setCachedToken(scopeArray, tokenData);
+  deepEqual(cas.getCachedToken(scopeArray), tokenData);
+
+  deepEqual(cas.oauthTokens, {"bar|foo": tokenData});
+  // wait for background write to complete.
+  yield promiseWritten;
+
+  // Check the token cache made it to our mocked storage.
+  deepEqual(cas.storageManager.accountData.oauthTokens, {"bar|foo": tokenData});
+
+  // Drop the token from the cache and ensure it is removed from the json.
+  promiseWritten = promiseNotification("testhelper-fxa-cache-persist-done");
+  yield cas.removeCachedToken("token1");
+  deepEqual(cas.oauthTokens, {});
+  yield promiseWritten;
+  deepEqual(cas.storageManager.accountData.oauthTokens, {});
+
+  // sign out and the token storage should end up with null.
+  let storageManager = cas.storageManager; // .signOut() removes the attribute.
+  yield fxa.signOut( /* localOnly = */ true);
+  deepEqual(storageManager.accountData, null);
+});
diff --git a/services/fxaccounts/tests/xpcshell/test_oauth_tokens.js b/services/fxaccounts/tests/xpcshell/test_oauth_tokens.js
new file mode 100644
index 0000000000..f758bf4050
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_oauth_tokens.js
@@ -0,0 +1,251 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/FxAccounts.jsm");
+Cu.import("resource://gre/modules/FxAccountsClient.jsm");
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/FxAccountsOAuthGrantClient.jsm");
+Cu.import("resource://services-common/utils.js");
+var {AccountState} = Cu.import("resource://gre/modules/FxAccounts.jsm", {});
+
+function promiseNotification(topic) {
+  return new Promise(resolve => {
+    let observe = () => {
+      Services.obs.removeObserver(observe, topic);
+      resolve();
+    }
+    Services.obs.addObserver(observe, topic, false);
+  });
+}
+
+// Just enough mocks so we can avoid hawk and storage.
+function MockStorageManager() {
+}
+
+MockStorageManager.prototype = {
+  promiseInitialized: Promise.resolve(),
+
+  initialize(accountData) {
+    this.accountData = accountData;
+  },
+
+  finalize() {
+    return Promise.resolve();
+  },
+
+  getAccountData() {
+    return Promise.resolve(this.accountData);
+  },
+
+  updateAccountData(updatedFields) {
+    for (let [name, value] of Object.entries(updatedFields)) {
+      if (value == null) {
+        delete this.accountData[name];
+      } else {
+        this.accountData[name] = value;
+      }
+    }
+    return Promise.resolve();
+  },
+
+  deleteAccountData() {
+    this.accountData = null;
+    return Promise.resolve();
+  }
+}
+
+function MockFxAccountsClient() {
+  this._email = "nobody@example.com";
+  this._verified = false;
+
+  this.accountStatus = function(uid) {
+    let deferred = Promise.defer();
+    deferred.resolve(!!uid && (!this._deletedOnServer));
+    return deferred.promise;
+  };
+
+  this.signOut = function() { return Promise.resolve(); };
+  this.registerDevice = function() { return Promise.resolve(); };
+  this.updateDevice = function() { return Promise.resolve(); };
+  this.signOutAndDestroyDevice = function() { return Promise.resolve(); };
+  this.getDeviceList = function() { return Promise.resolve(); };
+
+  FxAccountsClient.apply(this);
+}
+
+MockFxAccountsClient.prototype = {
+  __proto__: FxAccountsClient.prototype
+}
+
+function MockFxAccounts(mockGrantClient) {
+  return new FxAccounts({
+    fxAccountsClient: new MockFxAccountsClient(),
+    getAssertion: () => Promise.resolve("assertion"),
+    newAccountState(credentials) {
+      // we use a real accountState but mocked storage.
+      let storage = new MockStorageManager();
+      storage.initialize(credentials);
+      return new AccountState(storage);
+    },
+    _destroyOAuthToken: function(tokenData) {
+      // somewhat sad duplication of _destroyOAuthToken, but hard to avoid.
+      return mockGrantClient.destroyToken(tokenData.token).then( () => {
+        Services.obs.notifyObservers(null, "testhelper-fxa-revoke-complete", null);
+      });
+    },
+    _getDeviceName() {
+      return "mock device name";
+    },
+    fxaPushService: {
+      registerPushEndpoint() {
+        return new Promise((resolve) => {
+          resolve({
+            endpoint: "http://mochi.test:8888"
+          });
+        });
+      },
+    },
+  });
+}
+
+function* createMockFxA(mockGrantClient) {
+  let fxa = new MockFxAccounts(mockGrantClient);
+  let credentials = {
+    email: "foo@example.com",
+    uid: "1234@lcip.org",
+    assertion: "foobar",
+    sessionToken: "dead",
+    kA: "beef",
+    kB: "cafe",
+    verified: true
+  };
+
+  yield fxa.setSignedInUser(credentials);
+  return fxa;
+}
+
+// The tests.
+function run_test() {
+  run_next_test();
+}
+
+function MockFxAccountsOAuthGrantClient() {
+  this.activeTokens = new Set();
+}
+
+MockFxAccountsOAuthGrantClient.prototype = {
+  serverURL: {href: "http://localhost"},
+  getTokenFromAssertion(assertion, scope) {
+    let token = "token" + this.numTokenFetches;
+    this.numTokenFetches += 1;
+    this.activeTokens.add(token);
+    print("getTokenFromAssertion returning token", token);
+    return Promise.resolve({access_token: token});
+  },
+  destroyToken(token) {
+    ok(this.activeTokens.delete(token));
+    print("after destroy have", this.activeTokens.size, "tokens left.");
+    return Promise.resolve({});
+  },
+  // and some stuff used only for tests.
+  numTokenFetches: 0,
+  activeTokens: null,
+}
+
+add_task(function* testRevoke() {
+  let client = new MockFxAccountsOAuthGrantClient();
+  let tokenOptions = { scope: "test-scope", client: client };
+  let fxa = yield createMockFxA(client);
+
+  // get our first token and check we hit the mock.
+  let token1 = yield fxa.getOAuthToken(tokenOptions);
+  equal(client.numTokenFetches, 1);
+  equal(client.activeTokens.size, 1);
+  ok(token1, "got a token");
+  equal(token1, "token0");
+
+  // drop the new token from our cache.
+  yield fxa.removeCachedOAuthToken({token: token1});
+
+  // FxA fires an observer when the "background" revoke is complete.
+  yield promiseNotification("testhelper-fxa-revoke-complete");
+  // the revoke should have been successful.
+  equal(client.activeTokens.size, 0);
+  // fetching it again hits the server.
+  let token2 = yield fxa.getOAuthToken(tokenOptions);
+  equal(client.numTokenFetches, 2);
+  equal(client.activeTokens.size, 1);
+  ok(token2, "got a token");
+  notEqual(token1, token2, "got a different token");
+});
+
+add_task(function* testSignOutDestroysTokens() {
+  let client = new MockFxAccountsOAuthGrantClient();
+  let fxa = yield createMockFxA(client);
+
+  // get our first token and check we hit the mock.
+  let token1 = yield fxa.getOAuthToken({ scope: "test-scope", client: client });
+  equal(client.numTokenFetches, 1);
+  equal(client.activeTokens.size, 1);
+  ok(token1, "got a token");
+
+  // get another
+  let token2 = yield fxa.getOAuthToken({ scope: "test-scope-2", client: client });
+  equal(client.numTokenFetches, 2);
+  equal(client.activeTokens.size, 2);
+  ok(token2, "got a token");
+  notEqual(token1, token2, "got a different token");
+
+  // now sign out - they should be removed.
+  yield fxa.signOut();
+  // FxA fires an observer when the "background" signout is complete.
+  yield promiseNotification("testhelper-fxa-signout-complete");
+  // No active tokens left.
+  equal(client.activeTokens.size, 0);
+});
+
+add_task(function* testTokenRaces() {
+  // Here we do 2 concurrent fetches each for 2 different token scopes (ie,
+  // 4 token fetches in total).
+  // This should provoke a potential race in the token fetching but we should
+  // handle and detect that leaving us with one of the fetch tokens being
+  // revoked and the same token value returned to both calls.
+  let client = new MockFxAccountsOAuthGrantClient();
+  let fxa = yield createMockFxA(client);
+
+  // We should see 2 notifications as part of this - set up the listeners
+  // now (and wait on them later)
+  let notifications = Promise.all([
+    promiseNotification("testhelper-fxa-revoke-complete"),
+    promiseNotification("testhelper-fxa-revoke-complete"),
+  ]);
+  let results = yield Promise.all([
+    fxa.getOAuthToken({scope: "test-scope", client: client}),
+    fxa.getOAuthToken({scope: "test-scope", client: client}),
+    fxa.getOAuthToken({scope: "test-scope-2", client: client}),
+    fxa.getOAuthToken({scope: "test-scope-2", client: client}),
+  ]);
+
+  equal(client.numTokenFetches, 4, "should have fetched 4 tokens.");
+  // We should see 2 of the 4 revoked due to the race.
+  yield notifications;
+
+  // Should have 2 unique tokens
+  results.sort();
+  equal(results[0], results[1]);
+  equal(results[2], results[3]);
+  // should be 2 active.
+  equal(client.activeTokens.size, 2);
+  // Which can each be revoked.
+  notifications = Promise.all([
+    promiseNotification("testhelper-fxa-revoke-complete"),
+    promiseNotification("testhelper-fxa-revoke-complete"),
+  ]);
+  yield fxa.removeCachedOAuthToken({token: results[0]});
+  equal(client.activeTokens.size, 1);
+  yield fxa.removeCachedOAuthToken({token: results[2]});
+  equal(client.activeTokens.size, 0);
+  yield notifications;
+});
diff --git a/services/fxaccounts/tests/xpcshell/test_profile.js b/services/fxaccounts/tests/xpcshell/test_profile.js
new file mode 100644
index 0000000000..13adf8cbb5
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_profile.js
@@ -0,0 +1,409 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/Promise.jsm");
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/FxAccountsProfileClient.jsm");
+Cu.import("resource://gre/modules/FxAccountsProfile.jsm");
+
+const URL_STRING = "https://example.com";
+Services.prefs.setCharPref("identity.fxaccounts.settings.uri", "https://example.com/settings");
+
+const STATUS_SUCCESS = 200;
+
+/**
+ * Mock request responder
+ * @param {String} response
+ *        Mocked raw response from the server
+ * @returns {Function}
+ */
+var mockResponse = function (response) {
+  let Request = function (requestUri) {
+    // Store the request uri so tests can inspect it
+    Request._requestUri = requestUri;
+    return {
+      setHeader: function () {},
+      head: function () {
+        this.response = response;
+        this.onComplete();
+      }
+    };
+  };
+
+  return Request;
+};
+
+/**
+ * Mock request error responder
+ * @param {Error} error
+ *        Error object
+ * @returns {Function}
+ */
+var mockResponseError = function (error) {
+  return function () {
+    return {
+      setHeader: function () {},
+      head: function () {
+        this.onComplete(error);
+      }
+    };
+  };
+};
+
+var mockClient = function (fxa) {
+  let options = {
+    serverURL: "http://127.0.0.1:1111/v1",
+    fxa: fxa,
+  }
+  return new FxAccountsProfileClient(options);
+};
+
+const ACCOUNT_DATA = {
+  uid: "abc123"
+};
+
+function FxaMock() {
+}
+FxaMock.prototype = {
+  currentAccountState: {
+    profile: null,
+    get isCurrent() {
+      return true;
+    }
+  },
+
+  getSignedInUser: function () {
+    return Promise.resolve(ACCOUNT_DATA);
+  }
+};
+
+var mockFxa = function() {
+  return new FxaMock();
+};
+
+function CreateFxAccountsProfile(fxa = null, client = null) {
+  if (!fxa) {
+    fxa = mockFxa();
+  }
+  let options = {
+    fxa: fxa,
+    profileServerUrl: "http://127.0.0.1:1111/v1"
+  }
+  if (client) {
+    options.profileClient = client;
+  }
+  return new FxAccountsProfile(options);
+}
+
+add_test(function getCachedProfile() {
+  let profile = CreateFxAccountsProfile();
+  // a little pointless until bug 1157529 is fixed...
+  profile._cachedProfile = { avatar: "myurl" };
+
+  return profile._getCachedProfile()
+    .then(function (cached) {
+      do_check_eq(cached.avatar, "myurl");
+      run_next_test();
+    });
+});
+
+add_test(function cacheProfile_change() {
+  let fxa = mockFxa();
+/* Saving profile data disabled - bug 1157529
+  let setUserAccountDataCalled = false;
+  fxa.setUserAccountData = function (data) {
+    setUserAccountDataCalled = true;
+    do_check_eq(data.profile.avatar, "myurl");
+    return Promise.resolve();
+  };
+*/
+  let profile = CreateFxAccountsProfile(fxa);
+
+  makeObserver(ON_PROFILE_CHANGE_NOTIFICATION, function (subject, topic, data) {
+    do_check_eq(data, ACCOUNT_DATA.uid);
+//    do_check_true(setUserAccountDataCalled); - bug 1157529
+    run_next_test();
+  });
+
+  return profile._cacheProfile({ avatar: "myurl" });
+});
+
+add_test(function cacheProfile_no_change() {
+  let fxa = mockFxa();
+  let profile = CreateFxAccountsProfile(fxa)
+  profile._cachedProfile = { avatar: "myurl" };
+// XXX - saving is disabled (but we can leave that in for now as we are
+// just checking it is *not* called)
+  fxa.setSignedInUser = function (data) {
+    throw new Error("should not update account data");
+  };
+
+  return profile._cacheProfile({ avatar: "myurl" })
+    .then((result) => {
+      do_check_false(!!result);
+      run_next_test();
+    });
+});
+
+add_test(function fetchAndCacheProfile_ok() {
+  let client = mockClient(mockFxa());
+  client.fetchProfile = function () {
+    return Promise.resolve({ avatar: "myimg"});
+  };
+  let profile = CreateFxAccountsProfile(null, client);
+
+  profile._cacheProfile = function (toCache) {
+    do_check_eq(toCache.avatar, "myimg");
+    return Promise.resolve();
+  };
+
+  return profile._fetchAndCacheProfile()
+    .then(result => {
+      do_check_eq(result.avatar, "myimg");
+      run_next_test();
+    });
+});
+
+// Check that a second profile request when one is already in-flight reuses
+// the in-flight one.
+add_task(function* fetchAndCacheProfileOnce() {
+  // A promise that remains unresolved while we fire off 2 requests for
+  // a profile.
+  let resolveProfile;
+  let promiseProfile = new Promise(resolve => {
+    resolveProfile = resolve;
+  });
+  let numFetches = 0;
+  let client = mockClient(mockFxa());
+  client.fetchProfile = function () {
+    numFetches += 1;
+    return promiseProfile;
+  };
+  let profile = CreateFxAccountsProfile(null, client);
+
+  let request1 = profile._fetchAndCacheProfile();
+  let request2 = profile._fetchAndCacheProfile();
+
+  // should be one request made to fetch the profile (but the promise returned
+  // by it remains unresolved)
+  do_check_eq(numFetches, 1);
+
+  // resolve the promise.
+  resolveProfile({ avatar: "myimg"});
+
+  // both requests should complete with the same data.
+  let got1 = yield request1;
+  do_check_eq(got1.avatar, "myimg");
+  let got2 = yield request1;
+  do_check_eq(got2.avatar, "myimg");
+
+  // and still only 1 request was made.
+  do_check_eq(numFetches, 1);
+});
+
+// Check that sharing a single fetch promise works correctly when the promise
+// is rejected.
+add_task(function* fetchAndCacheProfileOnce() {
+  // A promise that remains unresolved while we fire off 2 requests for
+  // a profile.
+  let rejectProfile;
+  let promiseProfile = new Promise((resolve,reject) => {
+    rejectProfile = reject;
+  });
+  let numFetches = 0;
+  let client = mockClient(mockFxa());
+  client.fetchProfile = function () {
+    numFetches += 1;
+    return promiseProfile;
+  };
+  let profile = CreateFxAccountsProfile(null, client);
+
+  let request1 = profile._fetchAndCacheProfile();
+  let request2 = profile._fetchAndCacheProfile();
+
+  // should be one request made to fetch the profile (but the promise returned
+  // by it remains unresolved)
+  do_check_eq(numFetches, 1);
+
+  // reject the promise.
+  rejectProfile("oh noes");
+
+  // both requests should reject.
+  try {
+    yield request1;
+    throw new Error("should have rejected");
+  } catch (ex) {
+    if (ex != "oh noes") {
+      throw ex;
+    }
+  }
+  try {
+    yield request2;
+    throw new Error("should have rejected");
+  } catch (ex) {
+    if (ex != "oh noes") {
+      throw ex;
+    }
+  }
+
+  // but a new request should work.
+  client.fetchProfile = function () {
+    return Promise.resolve({ avatar: "myimg"});
+  };
+
+  let got = yield profile._fetchAndCacheProfile();
+  do_check_eq(got.avatar, "myimg");
+});
+
+// Check that a new profile request within PROFILE_FRESHNESS_THRESHOLD of the
+// last one doesn't kick off a new request to check the cached copy is fresh.
+add_task(function* fetchAndCacheProfileAfterThreshold() {
+  let numFetches = 0;
+  let client = mockClient(mockFxa());
+  client.fetchProfile = function () {
+    numFetches += 1;
+    return Promise.resolve({ avatar: "myimg"});
+  };
+  let profile = CreateFxAccountsProfile(null, client);
+  profile.PROFILE_FRESHNESS_THRESHOLD = 1000;
+
+  yield profile.getProfile();
+  do_check_eq(numFetches, 1);
+
+  yield profile.getProfile();
+  do_check_eq(numFetches, 1);
+
+  yield new Promise(resolve => {
+    do_timeout(1000, resolve);
+  });
+
+  yield profile.getProfile();
+  do_check_eq(numFetches, 2);
+});
+
+// Check that a new profile request within PROFILE_FRESHNESS_THRESHOLD of the
+// last one *does* kick off a new request if ON_PROFILE_CHANGE_NOTIFICATION
+// is sent.
+add_task(function* fetchAndCacheProfileBeforeThresholdOnNotification() {
+  let numFetches = 0;
+  let client = mockClient(mockFxa());
+  client.fetchProfile = function () {
+    numFetches += 1;
+    return Promise.resolve({ avatar: "myimg"});
+  };
+  let profile = CreateFxAccountsProfile(null, client);
+  profile.PROFILE_FRESHNESS_THRESHOLD = 1000;
+
+  yield profile.getProfile();
+  do_check_eq(numFetches, 1);
+
+  Services.obs.notifyObservers(null, ON_PROFILE_CHANGE_NOTIFICATION, null);
+
+  yield profile.getProfile();
+  do_check_eq(numFetches, 2);
+});
+
+add_test(function tearDown_ok() {
+  let profile = CreateFxAccountsProfile();
+
+  do_check_true(!!profile.client);
+  do_check_true(!!profile.fxa);
+
+  profile.tearDown();
+  do_check_null(profile.fxa);
+  do_check_null(profile.client);
+
+  run_next_test();
+});
+
+add_test(function getProfile_ok() {
+  let cachedUrl = "myurl";
+  let didFetch = false;
+
+  let profile = CreateFxAccountsProfile();
+  profile._getCachedProfile = function () {
+    return Promise.resolve({ avatar: cachedUrl });
+  };
+
+  profile._fetchAndCacheProfile = function () {
+    didFetch = true;
+    return Promise.resolve();
+  };
+
+  return profile.getProfile()
+    .then(result => {
+      do_check_eq(result.avatar, cachedUrl);
+      do_check_true(didFetch);
+      run_next_test();
+    });
+});
+
+add_test(function getProfile_no_cache() {
+  let fetchedUrl = "newUrl";
+  let profile = CreateFxAccountsProfile();
+  profile._getCachedProfile = function () {
+    return Promise.resolve();
+  };
+
+  profile._fetchAndCacheProfile = function () {
+    return Promise.resolve({ avatar: fetchedUrl });
+  };
+
+  return profile.getProfile()
+    .then(result => {
+      do_check_eq(result.avatar, fetchedUrl);
+      run_next_test();
+    });
+});
+
+add_test(function getProfile_has_cached_fetch_deleted() {
+  let cachedUrl = "myurl";
+
+  let fxa = mockFxa();
+  let client = mockClient(fxa);
+  client.fetchProfile = function () {
+    return Promise.resolve({ avatar: null });
+  };
+
+  let profile = CreateFxAccountsProfile(fxa, client);
+  profile._cachedProfile = { avatar: cachedUrl };
+
+// instead of checking this in a mocked "save" function, just check after the
+// observer
+  makeObserver(ON_PROFILE_CHANGE_NOTIFICATION, function (subject, topic, data) {
+    profile.getProfile()
+      .then(profileData => {
+        do_check_null(profileData.avatar);
+        run_next_test();
+      });
+  });
+
+  return profile.getProfile()
+    .then(result => {
+      do_check_eq(result.avatar, "myurl");
+    });
+});
+
+function run_test() {
+  run_next_test();
+}
+
+function makeObserver(aObserveTopic, aObserveFunc) {
+  let callback = function (aSubject, aTopic, aData) {
+    log.debug("observed " + aTopic + " " + aData);
+    if (aTopic == aObserveTopic) {
+      removeMe();
+      aObserveFunc(aSubject, aTopic, aData);
+    }
+  };
+
+  function removeMe() {
+    log.debug("removing observer for " + aObserveTopic);
+    Services.obs.removeObserver(callback, aObserveTopic);
+  }
+
+  Services.obs.addObserver(callback, aObserveTopic, false);
+  return removeMe;
+}
diff --git a/services/fxaccounts/tests/xpcshell/test_profile_client.js b/services/fxaccounts/tests/xpcshell/test_profile_client.js
new file mode 100644
index 0000000000..2243da3aab
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_profile_client.js
@@ -0,0 +1,411 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/FxAccountsProfileClient.jsm");
+
+const STATUS_SUCCESS = 200;
+
+/**
+ * Mock request responder
+ * @param {String} response
+ *        Mocked raw response from the server
+ * @returns {Function}
+ */
+var mockResponse = function (response) {
+  let Request = function (requestUri) {
+    // Store the request uri so tests can inspect it
+    Request._requestUri = requestUri;
+    return {
+      setHeader: function () {},
+      get: function () {
+        this.response = response;
+        this.onComplete();
+      }
+    };
+  };
+
+  return Request;
+};
+
+// A simple mock FxA that hands out tokens without checking them and doesn't
+// expect tokens to be revoked. We have specific token tests further down that
+// has more checks here.
+var mockFxa = {
+  getOAuthToken(options) {
+    do_check_eq(options.scope, "profile");
+    return "token";
+  }
+}
+
+const PROFILE_OPTIONS = {
+  serverURL: "http://127.0.0.1:1111/v1",
+  fxa: mockFxa,
+};
+
+/**
+ * Mock request error responder
+ * @param {Error} error
+ *        Error object
+ * @returns {Function}
+ */
+var mockResponseError = function (error) {
+  return function () {
+    return {
+      setHeader: function () {},
+      get: function () {
+        this.onComplete(error);
+      }
+    };
+  };
+};
+
+add_test(function successfulResponse () {
+  let client = new FxAccountsProfileClient(PROFILE_OPTIONS);
+  let response = {
+    success: true,
+    status: STATUS_SUCCESS,
+    body: "{\"email\":\"someone@restmail.net\",\"uid\":\"0d5c1a89b8c54580b8e3e8adadae864a\"}",
+  };
+
+  client._Request = new mockResponse(response);
+  client.fetchProfile()
+    .then(
+      function (result) {
+        do_check_eq(client._Request._requestUri, "http://127.0.0.1:1111/v1/profile");
+        do_check_eq(result.email, "someone@restmail.net");
+        do_check_eq(result.uid, "0d5c1a89b8c54580b8e3e8adadae864a");
+        run_next_test();
+      }
+    );
+});
+
+add_test(function parseErrorResponse () {
+  let client = new FxAccountsProfileClient(PROFILE_OPTIONS);
+  let response = {
+    success: true,
+    status: STATUS_SUCCESS,
+    body: "unexpected",
+  };
+
+  client._Request = new mockResponse(response);
+  client.fetchProfile()
+    .then(
+      null,
+      function (e) {
+        do_check_eq(e.name, "FxAccountsProfileClientError");
+        do_check_eq(e.code, STATUS_SUCCESS);
+        do_check_eq(e.errno, ERRNO_PARSE);
+        do_check_eq(e.error, ERROR_PARSE);
+        do_check_eq(e.message, "unexpected");
+        run_next_test();
+      }
+    );
+});
+
+add_test(function serverErrorResponse () {
+  let client = new FxAccountsProfileClient(PROFILE_OPTIONS);
+  let response = {
+    status: 500,
+    body: "{ \"code\": 500, \"errno\": 100, \"error\": \"Bad Request\", \"message\": \"Something went wrong\", \"reason\": \"Because the internet\" }",
+  };
+
+  client._Request = new mockResponse(response);
+  client.fetchProfile()
+    .then(
+    null,
+    function (e) {
+      do_check_eq(e.name, "FxAccountsProfileClientError");
+      do_check_eq(e.code, 500);
+      do_check_eq(e.errno, 100);
+      do_check_eq(e.error, "Bad Request");
+      do_check_eq(e.message, "Something went wrong");
+      run_next_test();
+    }
+  );
+});
+
+// Test that we get a token, then if we get a 401 we revoke it, get a new one
+// and retry.
+add_test(function server401ResponseThenSuccess () {
+  // The last token we handed out.
+  let lastToken = -1;
+  // The number of times our removeCachedOAuthToken function was called.
+  let numTokensRemoved = 0;
+
+  let mockFxa = {
+    getOAuthToken(options) {
+      do_check_eq(options.scope, "profile");
+      return "" + ++lastToken; // tokens are strings.
+    },
+    removeCachedOAuthToken(options) {
+      // This test never has more than 1 token alive at once, so the token
+      // being revoked must always be the last token we handed out.
+      do_check_eq(parseInt(options.token), lastToken);
+      ++numTokensRemoved;
+    }
+  }
+  let profileOptions = {
+    serverURL: "http://127.0.0.1:1111/v1",
+    fxa: mockFxa,
+  };
+  let client = new FxAccountsProfileClient(profileOptions);
+
+  // 2 responses - first one implying the token has expired, second works.
+  let responses = [
+    {
+      status: 401,
+      body: "{ \"code\": 401, \"errno\": 100, \"error\": \"Token expired\", \"message\": \"That token is too old\", \"reason\": \"Because security\" }",
+    },
+    {
+      success: true,
+      status: STATUS_SUCCESS,
+      body: "{\"avatar\":\"http://example.com/image.jpg\",\"id\":\"0d5c1a89b8c54580b8e3e8adadae864a\"}",
+    },
+  ];
+
+  let numRequests = 0;
+  let numAuthHeaders = 0;
+  // Like mockResponse but we want access to headers etc.
+  client._Request = function(requestUri) {
+    return {
+      setHeader: function (name, value) {
+        if (name == "Authorization") {
+          numAuthHeaders++;
+          do_check_eq(value, "Bearer " + lastToken);
+        }
+      },
+      get: function () {
+        this.response = responses[numRequests];
+        ++numRequests;
+        this.onComplete();
+      }
+    };
+  }
+
+  client.fetchProfile()
+    .then(result => {
+      do_check_eq(result.avatar, "http://example.com/image.jpg");
+      do_check_eq(result.id, "0d5c1a89b8c54580b8e3e8adadae864a");
+      // should have been exactly 2 requests and exactly 2 auth headers.
+      do_check_eq(numRequests, 2);
+      do_check_eq(numAuthHeaders, 2);
+      // and we should have seen one token revoked.
+      do_check_eq(numTokensRemoved, 1);
+
+      run_next_test();
+    }
+  );
+});
+
+// Test that we get a token, then if we get a 401 we revoke it, get a new one
+// and retry - but we *still* get a 401 on the retry, so the caller sees that.
+add_test(function server401ResponsePersists () {
+  // The last token we handed out.
+  let lastToken = -1;
+  // The number of times our removeCachedOAuthToken function was called.
+  let numTokensRemoved = 0;
+
+  let mockFxa = {
+    getOAuthToken(options) {
+      do_check_eq(options.scope, "profile");
+      return "" + ++lastToken; // tokens are strings.
+    },
+    removeCachedOAuthToken(options) {
+      // This test never has more than 1 token alive at once, so the token
+      // being revoked must always be the last token we handed out.
+      do_check_eq(parseInt(options.token), lastToken);
+      ++numTokensRemoved;
+    }
+  }
+  let profileOptions = {
+    serverURL: "http://127.0.0.1:1111/v1",
+    fxa: mockFxa,
+  };
+  let client = new FxAccountsProfileClient(profileOptions);
+
+  let response = {
+      status: 401,
+      body: "{ \"code\": 401, \"errno\": 100, \"error\": \"It's not your token, it's you!\", \"message\": \"I don't like you\", \"reason\": \"Because security\" }",
+  };
+
+  let numRequests = 0;
+  let numAuthHeaders = 0;
+  client._Request = function(requestUri) {
+    return {
+      setHeader: function (name, value) {
+        if (name == "Authorization") {
+          numAuthHeaders++;
+          do_check_eq(value, "Bearer " + lastToken);
+        }
+      },
+      get: function () {
+        this.response = response;
+        ++numRequests;
+        this.onComplete();
+      }
+    };
+  }
+
+  client.fetchProfile().then(
+    null,
+    function (e) {
+      do_check_eq(e.name, "FxAccountsProfileClientError");
+      do_check_eq(e.code, 401);
+      do_check_eq(e.errno, 100);
+      do_check_eq(e.error, "It's not your token, it's you!");
+      // should have been exactly 2 requests and exactly 2 auth headers.
+      do_check_eq(numRequests, 2);
+      do_check_eq(numAuthHeaders, 2);
+      // and we should have seen both tokens revoked.
+      do_check_eq(numTokensRemoved, 2);
+      run_next_test();
+    }
+  );
+});
+
+add_test(function networkErrorResponse () {
+  let client = new FxAccountsProfileClient({
+    serverURL: "http://",
+    fxa: mockFxa,
+  });
+  client.fetchProfile()
+    .then(
+      null,
+      function (e) {
+        do_check_eq(e.name, "FxAccountsProfileClientError");
+        do_check_eq(e.code, null);
+        do_check_eq(e.errno, ERRNO_NETWORK);
+        do_check_eq(e.error, ERROR_NETWORK);
+        run_next_test();
+      }
+    );
+});
+
+add_test(function unsupportedMethod () {
+  let client = new FxAccountsProfileClient(PROFILE_OPTIONS);
+
+  return client._createRequest("/profile", "PUT")
+    .then(
+      null,
+      function (e) {
+        do_check_eq(e.name, "FxAccountsProfileClientError");
+        do_check_eq(e.code, ERROR_CODE_METHOD_NOT_ALLOWED);
+        do_check_eq(e.errno, ERRNO_NETWORK);
+        do_check_eq(e.error, ERROR_NETWORK);
+        do_check_eq(e.message, ERROR_MSG_METHOD_NOT_ALLOWED);
+        run_next_test();
+      }
+    );
+});
+
+add_test(function onCompleteRequestError () {
+  let client = new FxAccountsProfileClient(PROFILE_OPTIONS);
+  client._Request = new mockResponseError(new Error("onComplete error"));
+  client.fetchProfile()
+    .then(
+      null,
+      function (e) {
+        do_check_eq(e.name, "FxAccountsProfileClientError");
+        do_check_eq(e.code, null);
+        do_check_eq(e.errno, ERRNO_NETWORK);
+        do_check_eq(e.error, ERROR_NETWORK);
+        do_check_eq(e.message, "Error: onComplete error");
+        run_next_test();
+      }
+  );
+});
+
+add_test(function fetchProfileImage_successfulResponse () {
+  let client = new FxAccountsProfileClient(PROFILE_OPTIONS);
+  let response = {
+    success: true,
+    status: STATUS_SUCCESS,
+    body: "{\"avatar\":\"http://example.com/image.jpg\",\"id\":\"0d5c1a89b8c54580b8e3e8adadae864a\"}",
+  };
+
+  client._Request = new mockResponse(response);
+  client.fetchProfileImage()
+    .then(
+      function (result) {
+        do_check_eq(client._Request._requestUri, "http://127.0.0.1:1111/v1/avatar");
+        do_check_eq(result.avatar, "http://example.com/image.jpg");
+        do_check_eq(result.id, "0d5c1a89b8c54580b8e3e8adadae864a");
+        run_next_test();
+      }
+    );
+});
+
+add_test(function constructorTests() {
+  validationHelper(undefined,
+    "Error: Missing 'serverURL' configuration option");
+
+  validationHelper({},
+    "Error: Missing 'serverURL' configuration option");
+
+  validationHelper({ serverURL: "badUrl" },
+    "Error: Invalid 'serverURL'");
+
+  run_next_test();
+});
+
+add_test(function errorTests() {
+  let error1 = new FxAccountsProfileClientError();
+  do_check_eq(error1.name, "FxAccountsProfileClientError");
+  do_check_eq(error1.code, null);
+  do_check_eq(error1.errno, ERRNO_UNKNOWN_ERROR);
+  do_check_eq(error1.error, ERROR_UNKNOWN);
+  do_check_eq(error1.message, null);
+
+  let error2 = new FxAccountsProfileClientError({
+    code: STATUS_SUCCESS,
+    errno: 1,
+    error: "Error",
+    message: "Something",
+  });
+  let fields2 = error2._toStringFields();
+  let statusCode = 1;
+
+  do_check_eq(error2.name, "FxAccountsProfileClientError");
+  do_check_eq(error2.code, STATUS_SUCCESS);
+  do_check_eq(error2.errno, statusCode);
+  do_check_eq(error2.error, "Error");
+  do_check_eq(error2.message, "Something");
+
+  do_check_eq(fields2.name, "FxAccountsProfileClientError");
+  do_check_eq(fields2.code, STATUS_SUCCESS);
+  do_check_eq(fields2.errno, statusCode);
+  do_check_eq(fields2.error, "Error");
+  do_check_eq(fields2.message, "Something");
+
+  do_check_true(error2.toString().indexOf("Something") >= 0);
+  run_next_test();
+});
+
+function run_test() {
+  run_next_test();
+}
+
+/**
+ * Quick way to test the "FxAccountsProfileClient" constructor.
+ *
+ * @param {Object} options
+ *        FxAccountsProfileClient constructor options
+ * @param {String} expected
+ *        Expected error message
+ * @returns {*}
+ */
+function validationHelper(options, expected) {
+  // add fxa to options - that missing isn't what we are testing here.
+  if (options) {
+    options.fxa = mockFxa;
+  }
+  try {
+    new FxAccountsProfileClient(options);
+  } catch (e) {
+    return do_check_eq(e.toString(), expected);
+  }
+  throw new Error("Validation helper error");
+}
diff --git a/services/fxaccounts/tests/xpcshell/test_push_service.js b/services/fxaccounts/tests/xpcshell/test_push_service.js
new file mode 100644
index 0000000000..8d66f6fa86
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_push_service.js
@@ -0,0 +1,236 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests for the FxA push service.
+
+Cu.import("resource://gre/modules/Task.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/Promise.jsm");
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/FxAccountsPush.js");
+Cu.import("resource://gre/modules/Log.jsm");
+
+XPCOMUtils.defineLazyServiceGetter(this, "pushService",
+  "@mozilla.org/push/Service;1", "nsIPushService");
+
+initTestLogging("Trace");
+log.level = Log.Level.Trace;
+
+const MOCK_ENDPOINT = "http://mochi.test:8888";
+
+// tests do not allow external connections, mock the PushService
+let mockPushService = {
+  pushTopic: this.pushService.pushTopic,
+  subscriptionChangeTopic: this.pushService.subscriptionChangeTopic,
+  subscribe(scope, principal, cb) {
+    cb(Components.results.NS_OK, {
+      endpoint: MOCK_ENDPOINT
+    });
+  },
+  unsubscribe(scope, principal, cb) {
+    cb(Components.results.NS_OK, true);
+  }
+};
+
+let mockFxAccounts = {
+  checkVerificationStatus() {},
+  updateDeviceRegistration() {}
+};
+
+let mockLog = {
+  trace() {},
+  debug() {},
+  warn() {},
+  error() {}
+};
+
+
+add_task(function* initialize() {
+  let pushService = new FxAccountsPushService();
+  equal(pushService.initialize(), false);
+});
+
+add_task(function* registerPushEndpointSuccess() {
+  let pushService = new FxAccountsPushService({
+    pushService: mockPushService,
+    fxAccounts: mockFxAccounts,
+  });
+
+  let subscription = yield pushService.registerPushEndpoint();
+  equal(subscription.endpoint, MOCK_ENDPOINT);
+});
+
+add_task(function* registerPushEndpointFailure() {
+  let failPushService = Object.assign(mockPushService, {
+    subscribe(scope, principal, cb) {
+      cb(Components.results.NS_ERROR_ABORT);
+    }
+  });
+
+  let pushService = new FxAccountsPushService({
+    pushService: failPushService,
+    fxAccounts: mockFxAccounts,
+  });
+
+  let subscription = yield pushService.registerPushEndpoint();
+  equal(subscription, null);
+});
+
+add_task(function* unsubscribeSuccess() {
+  let pushService = new FxAccountsPushService({
+    pushService: mockPushService,
+    fxAccounts: mockFxAccounts,
+  });
+
+  let result = yield pushService.unsubscribe();
+  equal(result, true);
+});
+
+add_task(function* unsubscribeFailure() {
+  let failPushService = Object.assign(mockPushService, {
+    unsubscribe(scope, principal, cb) {
+      cb(Components.results.NS_ERROR_ABORT);
+    }
+  });
+
+  let pushService = new FxAccountsPushService({
+    pushService: failPushService,
+    fxAccounts: mockFxAccounts,
+  });
+
+  let result = yield pushService.unsubscribe();
+  equal(result, null);
+});
+
+add_test(function observeLogout() {
+  let customLog = Object.assign(mockLog, {
+    trace: function (msg) {
+      if (msg === "FxAccountsPushService unsubscribe") {
+        // logout means we unsubscribe
+        run_next_test();
+      }
+    }
+  });
+
+  let pushService = new FxAccountsPushService({
+    pushService: mockPushService,
+    log: customLog
+  });
+
+  pushService.observe(null, ONLOGOUT_NOTIFICATION);
+});
+
+add_test(function observePushTopicVerify() {
+  let emptyMsg = {
+    QueryInterface: function() {
+      return this;
+    }
+  };
+  let customAccounts = Object.assign(mockFxAccounts, {
+    checkVerificationStatus: function () {
+      // checking verification status on push messages without data
+      run_next_test();
+    }
+  });
+
+  let pushService = new FxAccountsPushService({
+    pushService: mockPushService,
+    fxAccounts: customAccounts,
+  });
+
+  pushService.observe(emptyMsg, mockPushService.pushTopic, FXA_PUSH_SCOPE_ACCOUNT_UPDATE);
+});
+
+add_test(function observePushTopicDeviceDisconnected() {
+  const deviceId = "bogusid";
+  let msg = {
+    data: {
+      json: () => ({
+        command: ON_DEVICE_DISCONNECTED_NOTIFICATION,
+        data: {
+          id: deviceId
+        }
+      })
+    },
+    QueryInterface: function() {
+      return this;
+    }
+  };
+  let customAccounts = Object.assign(mockFxAccounts, {
+    handleDeviceDisconnection: function () {
+      // checking verification status on push messages without data
+      run_next_test();
+    }
+  });
+
+  let pushService = new FxAccountsPushService({
+    pushService: mockPushService,
+    fxAccounts: customAccounts,
+  });
+
+  pushService.observe(msg, mockPushService.pushTopic, FXA_PUSH_SCOPE_ACCOUNT_UPDATE);
+});
+
+add_test(function observePushTopicPasswordChanged() {
+  let msg = {
+    data: {
+      json: () => ({
+        command: ON_PASSWORD_CHANGED_NOTIFICATION
+      })
+    },
+    QueryInterface: function() {
+      return this;
+    }
+  };
+
+  let pushService = new FxAccountsPushService({
+    pushService: mockPushService,
+  });
+
+  pushService._onPasswordChanged = function () {
+    run_next_test();
+  }
+
+  pushService.observe(msg, mockPushService.pushTopic, FXA_PUSH_SCOPE_ACCOUNT_UPDATE);
+});
+
+add_test(function observePushTopicPasswordReset() {
+  let msg = {
+    data: {
+      json: () => ({
+        command: ON_PASSWORD_RESET_NOTIFICATION
+      })
+    },
+    QueryInterface: function() {
+      return this;
+    }
+  };
+
+  let pushService = new FxAccountsPushService({
+    pushService: mockPushService
+  });
+
+  pushService._onPasswordChanged = function () {
+    run_next_test();
+  }
+
+  pushService.observe(msg, mockPushService.pushTopic, FXA_PUSH_SCOPE_ACCOUNT_UPDATE);
+});
+
+add_test(function observeSubscriptionChangeTopic() {
+  let customAccounts = Object.assign(mockFxAccounts, {
+    updateDeviceRegistration: function () {
+      // subscription change means updating the device registration
+      run_next_test();
+    }
+  });
+
+  let pushService = new FxAccountsPushService({
+    pushService: mockPushService,
+    fxAccounts: customAccounts,
+  });
+
+  pushService.observe(null, mockPushService.subscriptionChangeTopic, FXA_PUSH_SCOPE_ACCOUNT_UPDATE);
+});
diff --git a/services/fxaccounts/tests/xpcshell/test_storage_manager.js b/services/fxaccounts/tests/xpcshell/test_storage_manager.js
new file mode 100644
index 0000000000..6a293a0ff6
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_storage_manager.js
@@ -0,0 +1,477 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests for the FxA storage manager.
+
+Cu.import("resource://gre/modules/Task.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/FxAccountsStorage.jsm");
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+Cu.import("resource://gre/modules/Log.jsm");
+
+initTestLogging("Trace");
+log.level = Log.Level.Trace;
+
+const DEVICE_REGISTRATION_VERSION = 42;
+
+// A couple of mocks we can use.
+function MockedPlainStorage(accountData) {
+  let data = null;
+  if (accountData) {
+    data = {
+      version: DATA_FORMAT_VERSION,
+      accountData: accountData,
+    }
+  }
+  this.data = data;
+  this.numReads = 0;
+}
+MockedPlainStorage.prototype = {
+  get: Task.async(function* () {
+    this.numReads++;
+    Assert.equal(this.numReads, 1, "should only ever be 1 read of acct data");
+    return this.data;
+  }),
+
+  set: Task.async(function* (data) {
+    this.data = data;
+  }),
+};
+
+function MockedSecureStorage(accountData) {
+  let data = null;
+  if (accountData) {
+    data = {
+      version: DATA_FORMAT_VERSION,
+      accountData: accountData,
+    }
+  }
+  this.data = data;
+  this.numReads = 0;
+}
+
+MockedSecureStorage.prototype = {
+  fetchCount: 0,
+  locked: false,
+  STORAGE_LOCKED: function() {},
+  get: Task.async(function* (uid, email) {
+    this.fetchCount++;
+    if (this.locked) {
+      throw new this.STORAGE_LOCKED();
+    }
+    this.numReads++;
+    Assert.equal(this.numReads, 1, "should only ever be 1 read of unlocked data");
+    return this.data;
+  }),
+
+  set: Task.async(function* (uid, contents) {
+    this.data = contents;
+  }),
+}
+
+function add_storage_task(testFunction) {
+  add_task(function* () {
+    print("Starting test with secure storage manager");
+    yield testFunction(new FxAccountsStorageManager());
+  });
+  add_task(function* () {
+    print("Starting test with simple storage manager");
+    yield testFunction(new FxAccountsStorageManager({useSecure: false}));
+  });
+}
+
+// initialized without account data and there's nothing to read. Not logged in.
+add_storage_task(function* checkInitializedEmpty(sm) {
+  if (sm.secureStorage) {
+    sm.secureStorage = new MockedSecureStorage(null);
+  }
+  yield sm.initialize();
+  Assert.strictEqual((yield sm.getAccountData()), null);
+  Assert.rejects(sm.updateAccountData({kA: "kA"}), "No user is logged in")
+});
+
+// Initialized with account data (ie, simulating a new user being logged in).
+// Should reflect the initial data and be written to storage.
+add_storage_task(function* checkNewUser(sm) {
+  let initialAccountData = {
+    uid: "uid",
+    email: "someone@somewhere.com",
+    kA: "kA",
+    deviceId: "device id"
+  };
+  sm.plainStorage = new MockedPlainStorage()
+  if (sm.secureStorage) {
+    sm.secureStorage = new MockedSecureStorage(null);
+  }
+  yield sm.initialize(initialAccountData);
+  let accountData = yield sm.getAccountData();
+  Assert.equal(accountData.uid, initialAccountData.uid);
+  Assert.equal(accountData.email, initialAccountData.email);
+  Assert.equal(accountData.kA, initialAccountData.kA);
+  Assert.equal(accountData.deviceId, initialAccountData.deviceId);
+
+  // and it should have been written to storage.
+  Assert.equal(sm.plainStorage.data.accountData.uid, initialAccountData.uid);
+  Assert.equal(sm.plainStorage.data.accountData.email, initialAccountData.email);
+  Assert.equal(sm.plainStorage.data.accountData.deviceId, initialAccountData.deviceId);
+  // check secure
+  if (sm.secureStorage) {
+    Assert.equal(sm.secureStorage.data.accountData.kA, initialAccountData.kA);
+  } else {
+    Assert.equal(sm.plainStorage.data.accountData.kA, initialAccountData.kA);
+  }
+});
+
+// Initialized without account data but storage has it available.
+add_storage_task(function* checkEverythingRead(sm) {
+  sm.plainStorage = new MockedPlainStorage({
+    uid: "uid",
+    email: "someone@somewhere.com",
+    deviceId: "wibble",
+    deviceRegistrationVersion: null
+  });
+  if (sm.secureStorage) {
+    sm.secureStorage = new MockedSecureStorage(null);
+  }
+  yield sm.initialize();
+  let accountData = yield sm.getAccountData();
+  Assert.ok(accountData, "read account data");
+  Assert.equal(accountData.uid, "uid");
+  Assert.equal(accountData.email, "someone@somewhere.com");
+  Assert.equal(accountData.deviceId, "wibble");
+  Assert.equal(accountData.deviceRegistrationVersion, null);
+  // Update the data - we should be able to fetch it back and it should appear
+  // in our storage.
+  yield sm.updateAccountData({
+    verified: true,
+    kA: "kA",
+    kB: "kB",
+    deviceRegistrationVersion: DEVICE_REGISTRATION_VERSION
+  });
+  accountData = yield sm.getAccountData();
+  Assert.equal(accountData.kB, "kB");
+  Assert.equal(accountData.kA, "kA");
+  Assert.equal(accountData.deviceId, "wibble");
+  Assert.equal(accountData.deviceRegistrationVersion, DEVICE_REGISTRATION_VERSION);
+  // Check the new value was written to storage.
+  yield sm._promiseStorageComplete; // storage is written in the background.
+  // "verified", "deviceId" and "deviceRegistrationVersion" are plain-text fields.
+  Assert.equal(sm.plainStorage.data.accountData.verified, true);
+  Assert.equal(sm.plainStorage.data.accountData.deviceId, "wibble");
+  Assert.equal(sm.plainStorage.data.accountData.deviceRegistrationVersion, DEVICE_REGISTRATION_VERSION);
+  // "kA" and "foo" are secure
+  if (sm.secureStorage) {
+    Assert.equal(sm.secureStorage.data.accountData.kA, "kA");
+    Assert.equal(sm.secureStorage.data.accountData.kB, "kB");
+  } else {
+    Assert.equal(sm.plainStorage.data.accountData.kA, "kA");
+    Assert.equal(sm.plainStorage.data.accountData.kB, "kB");
+  }
+});
+
+add_storage_task(function* checkInvalidUpdates(sm) {
+  sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+  if (sm.secureStorage) {
+    sm.secureStorage = new MockedSecureStorage(null);
+  }
+  Assert.rejects(sm.updateAccountData({uid: "another"}), "Can't change");
+  Assert.rejects(sm.updateAccountData({email: "someoneelse"}), "Can't change");
+});
+
+add_storage_task(function* checkNullUpdatesRemovedUnlocked(sm) {
+  if (sm.secureStorage) {
+    sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+    sm.secureStorage = new MockedSecureStorage({kA: "kA", kB: "kB"});
+  } else {
+    sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com",
+                                              kA: "kA", kB: "kB"});
+  }
+  yield sm.initialize();
+
+  yield sm.updateAccountData({kA: null});
+  let accountData = yield sm.getAccountData();
+  Assert.ok(!accountData.kA);
+  Assert.equal(accountData.kB, "kB");
+});
+
+add_storage_task(function* checkDelete(sm) {
+  if (sm.secureStorage) {
+    sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+    sm.secureStorage = new MockedSecureStorage({kA: "kA", kB: "kB"});
+  } else {
+    sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com",
+                                              kA: "kA", kB: "kB"});
+  }
+  yield sm.initialize();
+
+  yield sm.deleteAccountData();
+  // Storage should have been reset to null.
+  Assert.equal(sm.plainStorage.data, null);
+  if (sm.secureStorage) {
+    Assert.equal(sm.secureStorage.data, null);
+  }
+  // And everything should reflect no user.
+  Assert.equal((yield sm.getAccountData()), null);
+});
+
+// Some tests only for the secure storage manager.
+add_task(function* checkNullUpdatesRemovedLocked() {
+  let sm = new FxAccountsStorageManager();
+  sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+  sm.secureStorage = new MockedSecureStorage({kA: "kA", kB: "kB"});
+  sm.secureStorage.locked = true;
+  yield sm.initialize();
+
+  yield sm.updateAccountData({kA: null});
+  let accountData = yield sm.getAccountData();
+  Assert.ok(!accountData.kA);
+  // still no kB as we are locked.
+  Assert.ok(!accountData.kB);
+
+  // now unlock - should still be no kA but kB should appear.
+  sm.secureStorage.locked = false;
+  accountData = yield sm.getAccountData();
+  Assert.ok(!accountData.kA);
+  Assert.equal(accountData.kB, "kB");
+  // And secure storage should have been written with our previously-cached
+  // data.
+  Assert.strictEqual(sm.secureStorage.data.accountData.kA, undefined);
+  Assert.strictEqual(sm.secureStorage.data.accountData.kB, "kB");
+});
+
+add_task(function* checkEverythingReadSecure() {
+  let sm = new FxAccountsStorageManager();
+  sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+  sm.secureStorage = new MockedSecureStorage({kA: "kA"});
+  yield sm.initialize();
+
+  let accountData = yield sm.getAccountData();
+  Assert.ok(accountData, "read account data");
+  Assert.equal(accountData.uid, "uid");
+  Assert.equal(accountData.email, "someone@somewhere.com");
+  Assert.equal(accountData.kA, "kA");
+});
+
+add_task(function* checkMemoryFieldsNotReturnedByDefault() {
+  let sm = new FxAccountsStorageManager();
+  sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+  sm.secureStorage = new MockedSecureStorage({kA: "kA"});
+  yield sm.initialize();
+
+  // keyPair is a memory field.
+  yield sm.updateAccountData({keyPair: "the keypair value"});
+  let accountData = yield sm.getAccountData();
+
+  // Requesting everything should *not* return in memory fields.
+  Assert.strictEqual(accountData.keyPair, undefined);
+  // But requesting them specifically does get them.
+  accountData = yield sm.getAccountData("keyPair");
+  Assert.strictEqual(accountData.keyPair, "the keypair value");
+});
+
+add_task(function* checkExplicitGet() {
+  let sm = new FxAccountsStorageManager();
+  sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+  sm.secureStorage = new MockedSecureStorage({kA: "kA"});
+  yield sm.initialize();
+
+  let accountData = yield sm.getAccountData(["uid", "kA"]);
+  Assert.ok(accountData, "read account data");
+  Assert.equal(accountData.uid, "uid");
+  Assert.equal(accountData.kA, "kA");
+  // We didn't ask for email so shouldn't have got it.
+  Assert.strictEqual(accountData.email, undefined);
+});
+
+add_task(function* checkExplicitGetNoSecureRead() {
+  let sm = new FxAccountsStorageManager();
+  sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+  sm.secureStorage = new MockedSecureStorage({kA: "kA"});
+  yield sm.initialize();
+
+  Assert.equal(sm.secureStorage.fetchCount, 0);
+  // request 2 fields in secure storage - it should have caused a single fetch.
+  let accountData = yield sm.getAccountData(["email", "uid"]);
+  Assert.ok(accountData, "read account data");
+  Assert.equal(accountData.uid, "uid");
+  Assert.equal(accountData.email, "someone@somewhere.com");
+  Assert.strictEqual(accountData.kA, undefined);
+  Assert.equal(sm.secureStorage.fetchCount, 1);
+});
+
+add_task(function* checkLockedUpdates() {
+  let sm = new FxAccountsStorageManager();
+  sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+  sm.secureStorage = new MockedSecureStorage({kA: "old-kA", kB: "kB"});
+  sm.secureStorage.locked = true;
+  yield sm.initialize();
+
+  let accountData = yield sm.getAccountData();
+  // requesting kA and kB will fail as storage is locked.
+  Assert.ok(!accountData.kA);
+  Assert.ok(!accountData.kB);
+  // While locked we can still update it and see the updated value.
+  sm.updateAccountData({kA: "new-kA"});
+  accountData = yield sm.getAccountData();
+  Assert.equal(accountData.kA, "new-kA");
+  // unlock.
+  sm.secureStorage.locked = false;
+  accountData = yield sm.getAccountData();
+  // should reflect the value we updated and the one we didn't.
+  Assert.equal(accountData.kA, "new-kA");
+  Assert.equal(accountData.kB, "kB");
+  // And storage should also reflect it.
+  Assert.strictEqual(sm.secureStorage.data.accountData.kA, "new-kA");
+  Assert.strictEqual(sm.secureStorage.data.accountData.kB, "kB");
+});
+
+// Some tests for the "storage queue" functionality.
+
+// A helper for our queued tests. It creates a StorageManager and then queues
+// an unresolved promise. The tests then do additional setup and checks, then
+// resolves or rejects the blocked promise.
+var setupStorageManagerForQueueTest = Task.async(function* () {
+  let sm = new FxAccountsStorageManager();
+  sm.plainStorage = new MockedPlainStorage({uid: "uid", email: "someone@somewhere.com"})
+  sm.secureStorage = new MockedSecureStorage({kA: "kA"});
+  sm.secureStorage.locked = true;
+  yield sm.initialize();
+
+  let resolveBlocked, rejectBlocked;
+  let blockedPromise = new Promise((resolve, reject) => {
+    resolveBlocked = resolve;
+    rejectBlocked = reject;
+  });
+
+  sm._queueStorageOperation(() => blockedPromise);
+  return {sm, blockedPromise, resolveBlocked, rejectBlocked}
+});
+
+// First the general functionality.
+add_task(function* checkQueueSemantics() {
+  let { sm, resolveBlocked } = yield setupStorageManagerForQueueTest();
+
+  // We've one unresolved promise in the queue - add another promise.
+  let resolveSubsequent;
+  let subsequentPromise = new Promise(resolve => {
+    resolveSubsequent = resolve;
+  });
+  let subsequentCalled = false;
+
+  sm._queueStorageOperation(() => {
+    subsequentCalled = true;
+    resolveSubsequent();
+    return subsequentPromise;
+  });
+
+  // Our "subsequent" function should not have been called yet.
+  Assert.ok(!subsequentCalled);
+
+  // Release our blocked promise.
+  resolveBlocked();
+
+  // Our subsequent promise should end up resolved.
+  yield subsequentPromise;
+  Assert.ok(subsequentCalled);
+  yield sm.finalize();
+});
+
+// Check that a queued promise being rejected works correctly.
+add_task(function* checkQueueSemanticsOnError() {
+  let { sm, blockedPromise, rejectBlocked } = yield setupStorageManagerForQueueTest();
+
+  let resolveSubsequent;
+  let subsequentPromise = new Promise(resolve => {
+    resolveSubsequent = resolve;
+  });
+  let subsequentCalled = false;
+
+  sm._queueStorageOperation(() => {
+    subsequentCalled = true;
+    resolveSubsequent();
+    return subsequentPromise;
+  });
+
+  // Our "subsequent" function should not have been called yet.
+  Assert.ok(!subsequentCalled);
+
+  // Reject our blocked promise - the subsequent operations should still work
+  // correctly.
+  rejectBlocked("oh no");
+
+  // Our subsequent promise should end up resolved.
+  yield subsequentPromise;
+  Assert.ok(subsequentCalled);
+
+  // But the first promise should reflect the rejection.
+  try {
+    yield blockedPromise;
+    Assert.ok(false, "expected this promise to reject");
+  } catch (ex) {
+    Assert.equal(ex, "oh no");
+  }
+  yield sm.finalize();
+});
+
+
+// And some tests for the specific operations that are queued.
+add_task(function* checkQueuedReadAndUpdate() {
+  let { sm, resolveBlocked } = yield setupStorageManagerForQueueTest();
+  // Mock the underlying operations
+  // _doReadAndUpdateSecure is queued by _maybeReadAndUpdateSecure
+  let _doReadCalled = false;
+  sm._doReadAndUpdateSecure = () => {
+    _doReadCalled = true;
+    return Promise.resolve();
+  }
+
+  let resultPromise = sm._maybeReadAndUpdateSecure();
+  Assert.ok(!_doReadCalled);
+
+  resolveBlocked();
+  yield resultPromise;
+  Assert.ok(_doReadCalled);
+  yield sm.finalize();
+});
+
+add_task(function* checkQueuedWrite() {
+  let { sm, resolveBlocked } = yield setupStorageManagerForQueueTest();
+  // Mock the underlying operations
+  let __writeCalled = false;
+  sm.__write = () => {
+    __writeCalled = true;
+    return Promise.resolve();
+  }
+
+  let writePromise = sm._write();
+  Assert.ok(!__writeCalled);
+
+  resolveBlocked();
+  yield writePromise;
+  Assert.ok(__writeCalled);
+  yield sm.finalize();
+});
+
+add_task(function* checkQueuedDelete() {
+  let { sm, resolveBlocked } = yield setupStorageManagerForQueueTest();
+  // Mock the underlying operations
+  let _deleteCalled = false;
+  sm._deleteAccountData = () => {
+    _deleteCalled = true;
+    return Promise.resolve();
+  }
+
+  let resultPromise = sm.deleteAccountData();
+  Assert.ok(!_deleteCalled);
+
+  resolveBlocked();
+  yield resultPromise;
+  Assert.ok(_deleteCalled);
+  yield sm.finalize();
+});
+
+function run_test() {
+  run_next_test();
+}
diff --git a/services/fxaccounts/tests/xpcshell/test_web_channel.js b/services/fxaccounts/tests/xpcshell/test_web_channel.js
new file mode 100644
index 0000000000..3cf5662789
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/test_web_channel.js
@@ -0,0 +1,499 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Cu.import("resource://gre/modules/FxAccountsCommon.js");
+const { FxAccountsWebChannel, FxAccountsWebChannelHelpers } =
+    Cu.import("resource://gre/modules/FxAccountsWebChannel.jsm");
+
+const URL_STRING = "https://example.com";
+
+const mockSendingContext = {
+  browser: {},
+  principal: {},
+  eventTarget: {}
+};
+
+add_test(function () {
+  validationHelper(undefined,
+  "Error: Missing configuration options");
+
+  validationHelper({
+    channel_id: WEBCHANNEL_ID
+  },
+  "Error: Missing 'content_uri' option");
+
+  validationHelper({
+    content_uri: 'bad uri',
+    channel_id: WEBCHANNEL_ID
+  },
+  /NS_ERROR_MALFORMED_URI/);
+
+  validationHelper({
+    content_uri: URL_STRING
+  },
+  'Error: Missing \'channel_id\' option');
+
+  run_next_test();
+});
+
+add_task(function* test_rejection_reporting() {
+  let mockMessage = {
+    command: 'fxaccounts:login',
+    messageId: '1234',
+    data: { email: 'testuser@testuser.com' },
+  };
+
+  let channel = new FxAccountsWebChannel({
+    channel_id: WEBCHANNEL_ID,
+    content_uri: URL_STRING,
+    helpers: {
+      login(accountData) {
+        equal(accountData.email, 'testuser@testuser.com',
+          'Should forward incoming message data to the helper');
+        return Promise.reject(new Error('oops'));
+      },
+    },
+  });
+
+  let promiseSend = new Promise(resolve => {
+    channel._channel.send = (message, context) => {
+      resolve({ message, context });
+    };
+  });
+
+  channel._channelCallback(WEBCHANNEL_ID, mockMessage, mockSendingContext);
+
+  let { message, context } = yield promiseSend;
+
+  equal(context, mockSendingContext, 'Should forward the original context');
+  equal(message.command, 'fxaccounts:login',
+    'Should include the incoming command');
+  equal(message.messageId, '1234', 'Should include the message ID');
+  equal(message.data.error.message, 'Error: oops',
+    'Should convert the error message to a string');
+  notStrictEqual(message.data.error.stack, null,
+    'Should include the stack for JS error rejections');
+});
+
+add_test(function test_exception_reporting() {
+  let mockMessage = {
+    command: 'fxaccounts:sync_preferences',
+    messageId: '5678',
+    data: { entryPoint: 'fxa:verification_complete' }
+  };
+
+  let channel = new FxAccountsWebChannel({
+    channel_id: WEBCHANNEL_ID,
+    content_uri: URL_STRING,
+    helpers: {
+      openSyncPreferences(browser, entryPoint) {
+        equal(entryPoint, 'fxa:verification_complete',
+          'Should forward incoming message data to the helper');
+        throw new TypeError('splines not reticulated');
+      },
+    },
+  });
+
+  channel._channel.send = (message, context) => {
+    equal(context, mockSendingContext, 'Should forward the original context');
+    equal(message.command, 'fxaccounts:sync_preferences',
+      'Should include the incoming command');
+    equal(message.messageId, '5678', 'Should include the message ID');
+    equal(message.data.error.message, 'TypeError: splines not reticulated',
+      'Should convert the exception to a string');
+    notStrictEqual(message.data.error.stack, null,
+      'Should include the stack for JS exceptions');
+
+    run_next_test();
+  };
+
+  channel._channelCallback(WEBCHANNEL_ID, mockMessage, mockSendingContext);
+});
+
+add_test(function test_profile_image_change_message() {
+  var mockMessage = {
+    command: "profile:change",
+    data: { uid: "foo" }
+  };
+
+  makeObserver(ON_PROFILE_CHANGE_NOTIFICATION, function (subject, topic, data) {
+    do_check_eq(data, "foo");
+    run_next_test();
+  });
+
+  var channel = new FxAccountsWebChannel({
+    channel_id: WEBCHANNEL_ID,
+    content_uri: URL_STRING
+  });
+
+  channel._channelCallback(WEBCHANNEL_ID, mockMessage, mockSendingContext);
+});
+
+add_test(function test_login_message() {
+  let mockMessage = {
+    command: 'fxaccounts:login',
+    data: { email: 'testuser@testuser.com' }
+  };
+
+  let channel = new FxAccountsWebChannel({
+    channel_id: WEBCHANNEL_ID,
+    content_uri: URL_STRING,
+    helpers: {
+      login: function (accountData) {
+        do_check_eq(accountData.email, 'testuser@testuser.com');
+        run_next_test();
+        return Promise.resolve();
+      }
+    }
+  });
+
+  channel._channelCallback(WEBCHANNEL_ID, mockMessage, mockSendingContext);
+});
+
+add_test(function test_logout_message() {
+  let mockMessage = {
+    command: 'fxaccounts:logout',
+    data: { uid: "foo" }
+  };
+
+  let channel = new FxAccountsWebChannel({
+    channel_id: WEBCHANNEL_ID,
+    content_uri: URL_STRING,
+    helpers: {
+      logout: function (uid) {
+        do_check_eq(uid, 'foo');
+        run_next_test();
+        return Promise.resolve();
+      }
+    }
+  });
+
+  channel._channelCallback(WEBCHANNEL_ID, mockMessage, mockSendingContext);
+});
+
+add_test(function test_delete_message() {
+  let mockMessage = {
+    command: 'fxaccounts:delete',
+    data: { uid: "foo" }
+  };
+
+  let channel = new FxAccountsWebChannel({
+    channel_id: WEBCHANNEL_ID,
+    content_uri: URL_STRING,
+    helpers: {
+      logout: function (uid) {
+        do_check_eq(uid, 'foo');
+        run_next_test();
+        return Promise.resolve();
+      }
+    }
+  });
+
+  channel._channelCallback(WEBCHANNEL_ID, mockMessage, mockSendingContext);
+});
+
+add_test(function test_can_link_account_message() {
+  let mockMessage = {
+    command: 'fxaccounts:can_link_account',
+    data: { email: 'testuser@testuser.com' }
+  };
+
+  let channel = new FxAccountsWebChannel({
+    channel_id: WEBCHANNEL_ID,
+    content_uri: URL_STRING,
+    helpers: {
+      shouldAllowRelink: function (email) {
+        do_check_eq(email, 'testuser@testuser.com');
+        run_next_test();
+      }
+    }
+  });
+
+  channel._channelCallback(WEBCHANNEL_ID, mockMessage, mockSendingContext);
+});
+
+add_test(function test_sync_preferences_message() {
+  let mockMessage = {
+    command: 'fxaccounts:sync_preferences',
+    data: { entryPoint: 'fxa:verification_complete' }
+  };
+
+  let channel = new FxAccountsWebChannel({
+    channel_id: WEBCHANNEL_ID,
+    content_uri: URL_STRING,
+    helpers: {
+      openSyncPreferences: function (browser, entryPoint) {
+        do_check_eq(entryPoint, 'fxa:verification_complete');
+        do_check_eq(browser, mockSendingContext.browser);
+        run_next_test();
+      }
+    }
+  });
+
+  channel._channelCallback(WEBCHANNEL_ID, mockMessage, mockSendingContext);
+});
+
+add_test(function test_unrecognized_message() {
+  let mockMessage = {
+    command: 'fxaccounts:unrecognized',
+    data: {}
+  };
+
+  let channel = new FxAccountsWebChannel({
+    channel_id: WEBCHANNEL_ID,
+    content_uri: URL_STRING
+  });
+
+  // no error is expected.
+  channel._channelCallback(WEBCHANNEL_ID, mockMessage, mockSendingContext);
+  run_next_test();
+});
+
+
+add_test(function test_helpers_should_allow_relink_same_email() {
+  let helpers = new FxAccountsWebChannelHelpers();
+
+  helpers.setPreviousAccountNameHashPref('testuser@testuser.com');
+  do_check_true(helpers.shouldAllowRelink('testuser@testuser.com'));
+
+  run_next_test();
+});
+
+add_test(function test_helpers_should_allow_relink_different_email() {
+  let helpers = new FxAccountsWebChannelHelpers();
+
+  helpers.setPreviousAccountNameHashPref('testuser@testuser.com');
+
+  helpers._promptForRelink = (acctName) => {
+    return acctName === 'allowed_to_relink@testuser.com';
+  };
+
+  do_check_true(helpers.shouldAllowRelink('allowed_to_relink@testuser.com'));
+  do_check_false(helpers.shouldAllowRelink('not_allowed_to_relink@testuser.com'));
+
+  run_next_test();
+});
+
+add_task(function* test_helpers_login_without_customize_sync() {
+  let helpers = new FxAccountsWebChannelHelpers({
+    fxAccounts: {
+      setSignedInUser: function(accountData) {
+        return new Promise(resolve => {
+          // ensure fxAccounts is informed of the new user being signed in.
+          do_check_eq(accountData.email, 'testuser@testuser.com');
+
+          // verifiedCanLinkAccount should be stripped in the data.
+          do_check_false('verifiedCanLinkAccount' in accountData);
+
+          // the customizeSync pref should not update
+          do_check_false(helpers.getShowCustomizeSyncPref());
+
+          // previously signed in user preference is updated.
+          do_check_eq(helpers.getPreviousAccountNameHashPref(), helpers.sha256('testuser@testuser.com'));
+
+          resolve();
+        });
+      }
+    }
+  });
+
+  // the show customize sync pref should stay the same
+  helpers.setShowCustomizeSyncPref(false);
+
+  // ensure the previous account pref is overwritten.
+  helpers.setPreviousAccountNameHashPref('lastuser@testuser.com');
+
+  yield helpers.login({
+    email: 'testuser@testuser.com',
+    verifiedCanLinkAccount: true,
+    customizeSync: false
+  });
+});
+
+add_task(function* test_helpers_login_with_customize_sync() {
+  let helpers = new FxAccountsWebChannelHelpers({
+    fxAccounts: {
+      setSignedInUser: function(accountData) {
+        return new Promise(resolve => {
+          // ensure fxAccounts is informed of the new user being signed in.
+          do_check_eq(accountData.email, 'testuser@testuser.com');
+
+          // customizeSync should be stripped in the data.
+          do_check_false('customizeSync' in accountData);
+
+          // the customizeSync pref should not update
+          do_check_true(helpers.getShowCustomizeSyncPref());
+
+          resolve();
+        });
+      }
+    }
+  });
+
+  // the customize sync pref should be overwritten
+  helpers.setShowCustomizeSyncPref(false);
+
+  yield helpers.login({
+    email: 'testuser@testuser.com',
+    verifiedCanLinkAccount: true,
+    customizeSync: true
+  });
+});
+
+add_task(function* test_helpers_login_with_customize_sync_and_declined_engines() {
+  let helpers = new FxAccountsWebChannelHelpers({
+    fxAccounts: {
+      setSignedInUser: function(accountData) {
+        return new Promise(resolve => {
+          // ensure fxAccounts is informed of the new user being signed in.
+          do_check_eq(accountData.email, 'testuser@testuser.com');
+
+          // customizeSync should be stripped in the data.
+          do_check_false('customizeSync' in accountData);
+          do_check_false('declinedSyncEngines' in accountData);
+          do_check_eq(Services.prefs.getBoolPref("services.sync.engine.addons"), false);
+          do_check_eq(Services.prefs.getBoolPref("services.sync.engine.bookmarks"), true);
+          do_check_eq(Services.prefs.getBoolPref("services.sync.engine.history"), true);
+          do_check_eq(Services.prefs.getBoolPref("services.sync.engine.passwords"), true);
+          do_check_eq(Services.prefs.getBoolPref("services.sync.engine.prefs"), false);
+          do_check_eq(Services.prefs.getBoolPref("services.sync.engine.tabs"), true);
+
+          // the customizeSync pref should be disabled
+          do_check_false(helpers.getShowCustomizeSyncPref());
+
+          resolve();
+        });
+      }
+    }
+  });
+
+  // the customize sync pref should be overwritten
+  helpers.setShowCustomizeSyncPref(true);
+
+  do_check_eq(Services.prefs.getBoolPref("services.sync.engine.addons"), true);
+  do_check_eq(Services.prefs.getBoolPref("services.sync.engine.bookmarks"), true);
+  do_check_eq(Services.prefs.getBoolPref("services.sync.engine.history"), true);
+  do_check_eq(Services.prefs.getBoolPref("services.sync.engine.passwords"), true);
+  do_check_eq(Services.prefs.getBoolPref("services.sync.engine.prefs"), true);
+  do_check_eq(Services.prefs.getBoolPref("services.sync.engine.tabs"), true);
+  yield helpers.login({
+    email: 'testuser@testuser.com',
+    verifiedCanLinkAccount: true,
+    customizeSync: true,
+    declinedSyncEngines: ['addons', 'prefs']
+  });
+});
+
+add_test(function test_helpers_open_sync_preferences() {
+  let helpers = new FxAccountsWebChannelHelpers({
+    fxAccounts: {
+    }
+  });
+
+  let mockBrowser = {
+    loadURI(uri) {
+      do_check_eq(uri, "about:preferences?entrypoint=fxa%3Averification_complete#sync");
+      run_next_test();
+    }
+  };
+
+  helpers.openSyncPreferences(mockBrowser, "fxa:verification_complete");
+});
+
+add_task(function* test_helpers_change_password() {
+  let wasCalled = {
+    updateUserAccountData: false,
+    updateDeviceRegistration: false
+  };
+  let helpers = new FxAccountsWebChannelHelpers({
+    fxAccounts: {
+      updateUserAccountData(credentials) {
+        return new Promise(resolve => {
+          do_check_true(credentials.hasOwnProperty("email"));
+          do_check_true(credentials.hasOwnProperty("uid"));
+          do_check_true(credentials.hasOwnProperty("kA"));
+          do_check_true(credentials.hasOwnProperty("deviceId"));
+          do_check_null(credentials.deviceId);
+          // "foo" isn't a field known by storage, so should be dropped.
+          do_check_false(credentials.hasOwnProperty("foo"));
+          wasCalled.updateUserAccountData = true;
+
+          resolve();
+        });
+      },
+
+      updateDeviceRegistration() {
+        do_check_eq(arguments.length, 0);
+        wasCalled.updateDeviceRegistration = true;
+        return Promise.resolve()
+      }
+    }
+  });
+  yield helpers.changePassword({ email: "email", uid: "uid", kA: "kA", foo: "foo" });
+  do_check_true(wasCalled.updateUserAccountData);
+  do_check_true(wasCalled.updateDeviceRegistration);
+});
+
+add_task(function* test_helpers_change_password_with_error() {
+  let wasCalled = {
+    updateUserAccountData: false,
+    updateDeviceRegistration: false
+  };
+  let helpers = new FxAccountsWebChannelHelpers({
+    fxAccounts: {
+      updateUserAccountData() {
+        wasCalled.updateUserAccountData = true;
+        return Promise.reject();
+      },
+
+      updateDeviceRegistration() {
+        wasCalled.updateDeviceRegistration = true;
+        return Promise.resolve()
+      }
+    }
+  });
+  try {
+    yield helpers.changePassword({});
+    do_check_false('changePassword should have rejected');
+  } catch (_) {
+    do_check_true(wasCalled.updateUserAccountData);
+    do_check_false(wasCalled.updateDeviceRegistration);
+  }
+});
+
+function run_test() {
+  run_next_test();
+}
+
+function makeObserver(aObserveTopic, aObserveFunc) {
+  let callback = function (aSubject, aTopic, aData) {
+    log.debug("observed " + aTopic + " " + aData);
+    if (aTopic == aObserveTopic) {
+      removeMe();
+      aObserveFunc(aSubject, aTopic, aData);
+    }
+  };
+
+  function removeMe() {
+    log.debug("removing observer for " + aObserveTopic);
+    Services.obs.removeObserver(callback, aObserveTopic);
+  }
+
+  Services.obs.addObserver(callback, aObserveTopic, false);
+  return removeMe;
+}
+
+function validationHelper(params, expected) {
+  try {
+    new FxAccountsWebChannel(params);
+  } catch (e) {
+    if (typeof expected === 'string') {
+      return do_check_eq(e.toString(), expected);
+    } else {
+      return do_check_true(e.toString().match(expected));
+    }
+  }
+  throw new Error("Validation helper error");
+}
diff --git a/services/fxaccounts/tests/xpcshell/xpcshell.ini b/services/fxaccounts/tests/xpcshell/xpcshell.ini
new file mode 100644
index 0000000000..56a3d29475
--- /dev/null
+++ b/services/fxaccounts/tests/xpcshell/xpcshell.ini
@@ -0,0 +1,23 @@
+[DEFAULT]
+head = head.js ../../../common/tests/unit/head_helpers.js ../../../common/tests/unit/head_http.js
+tail =
+skip-if = (toolkit == 'android' || appname == 'thunderbird')
+support-files =
+  !/services/common/tests/unit/head_helpers.js
+  !/services/common/tests/unit/head_http.js
+
+[test_accounts.js]
+[test_accounts_device_registration.js]
+[test_client.js]
+[test_credentials.js]
+[test_loginmgr_storage.js]
+[test_oauth_client.js]
+[test_oauth_grant_client.js]
+[test_oauth_grant_client_server.js]
+[test_oauth_tokens.js]
+[test_oauth_token_storage.js]
+[test_profile_client.js]
+[test_push_service.js]
+[test_web_channel.js]
+[test_profile.js]
+[test_storage_manager.js]