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//
// Test that "max_entry_size" prefs for disk- and memory-cache prevents
// caching resources with size out of bounds
//
Cu.import("resource://testing-common/httpd.js");
Cu.import("resource://gre/modules/NetUtil.jsm");
do_get_profile();
const prefService = Cc["@mozilla.org/preferences-service;1"]
.getService(Ci.nsIPrefBranch);
const httpserver = new HttpServer();
// Repeats the given data until the total size is larger than 1K
function repeatToLargerThan1K(data) {
while(data.length <= 1024)
data += data;
return data;
}
function setupChannel(suffix, value) {
var chan = NetUtil.newChannel({
uri: "http://localhost:" + httpserver.identity.primaryPort + suffix,
loadUsingSystemPrincipal: true
});
var httpChan = chan.QueryInterface(Components.interfaces.nsIHttpChannel);
httpChan.setRequestHeader("x-request", value, false);
return httpChan;
}
var tests = [
new InitializeCacheDevices(true, false), // enable and create mem-device
new TestCacheEntrySize(
function() { prefService.setIntPref("browser.cache.memory.max_entry_size", 1); },
"012345", "9876543210", "012345"), // expect cached value
new TestCacheEntrySize(
function() { prefService.setIntPref("browser.cache.memory.max_entry_size", 1); },
"0123456789a", "9876543210", "9876543210"), // expect fresh value
new TestCacheEntrySize(
function() { prefService.setIntPref("browser.cache.memory.max_entry_size", -1); },
"0123456789a", "9876543210", "0123456789a"), // expect cached value
new InitializeCacheDevices(false, true), // enable and create disk-device
new TestCacheEntrySize(
function() { prefService.setIntPref("browser.cache.disk.max_entry_size", 1); },
"012345", "9876543210", "012345"), // expect cached value
new TestCacheEntrySize(
function() { prefService.setIntPref("browser.cache.disk.max_entry_size", 1); },
"0123456789a", "9876543210", "9876543210"), // expect fresh value
new TestCacheEntrySize(
function() { prefService.setIntPref("browser.cache.disk.max_entry_size", -1); },
"0123456789a", "9876543210", "0123456789a"), // expect cached value
];
function nextTest() {
// We really want each test to be self-contained. Make sure cache is
// cleared and also let all operations finish before starting a new test
syncWithCacheIOThread(function() {
get_cache_service().clear();
syncWithCacheIOThread(runNextTest);
});
}
function runNextTest() {
var aTest = tests.shift();
if (!aTest) {
httpserver.stop(do_test_finished);
return;
}
do_execute_soon(function() { aTest.start(); } );
}
// Just make sure devices are created
function InitializeCacheDevices(memDevice, diskDevice) {
this.start = function() {
prefService.setBoolPref("browser.cache.memory.enable", memDevice);
if (memDevice) {
try {
cap = prefService.getIntPref("browser.cache.memory.capacity");
}
catch(ex) {
cap = 0;
}
if (cap == 0) {
prefService.setIntPref("browser.cache.memory.capacity", 1024);
}
}
prefService.setBoolPref("browser.cache.disk.enable", diskDevice);
if (diskDevice) {
try {
cap = prefService.getIntPref("browser.cache.disk.capacity");
}
catch(ex) {
cap = 0;
}
if (cap == 0) {
prefService.setIntPref("browser.cache.disk.capacity", 1024);
}
}
var channel = setupChannel("/bug650995", "Initial value");
channel.asyncOpen2(new ChannelListener(nextTest, null));
}
}
function TestCacheEntrySize(setSizeFunc, firstRequest, secondRequest, secondExpectedReply) {
// Initially, this test used 10 bytes as the limit for caching entries.
// Since we now use 1K granularity we have to extend lengths to be larger
// than 1K if it is larger than 10
if (firstRequest.length > 10)
firstRequest = repeatToLargerThan1K(firstRequest);
if (secondExpectedReply.length > 10)
secondExpectedReply = repeatToLargerThan1K(secondExpectedReply);
this.start = function() {
setSizeFunc();
var channel = setupChannel("/bug650995", firstRequest);
channel.asyncOpen2(new ChannelListener(this.initialLoad, this));
},
this.initialLoad = function(request, data, ctx) {
do_check_eq(firstRequest, data);
var channel = setupChannel("/bug650995", secondRequest);
do_execute_soon(function() {
channel.asyncOpen2(new ChannelListener(ctx.testAndTriggerNext, ctx));
});
},
this.testAndTriggerNext = function(request, data, ctx) {
do_check_eq(secondExpectedReply, data);
do_execute_soon(nextTest);
}
}
function run_test()
{
httpserver.registerPathHandler("/bug650995", handler);
httpserver.start(-1);
prefService.setBoolPref("browser.cache.offline.enable", false);
nextTest();
do_test_pending();
}
function handler(metadata, response) {
var body = "BOOM!";
try {
body = metadata.getHeader("x-request");
} catch(e) {}
response.setStatusLine(metadata.httpVersion, 200, "Ok");
response.setHeader("Content-Type", "text/plain", false);
response.setHeader("Cache-Control", "max-age=3600", false);
response.bodyOutputStream.write(body, body.length);
}
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