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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
// This testing component is used in test_vacuum* tests.
const Cc = Components.classes;
const Ci = Components.interfaces;
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
/**
* Returns a new nsIFile reference for a profile database.
* @param filename for the database, excluded the .sqlite extension.
*/
function new_db_file(name)
{
let file = Services.dirsvc.get("ProfD", Ci.nsIFile);
file.append(name + ".sqlite");
return file;
}
/**
* Opens and returns a connection to the provided database file.
* @param nsIFile interface to the database file.
*/
function getDatabase(aFile)
{
return Cc["@mozilla.org/storage/service;1"].getService(Ci.mozIStorageService)
.openDatabase(aFile);
}
function vacuumParticipant()
{
this._dbConn = getDatabase(new_db_file("testVacuum"));
Services.obs.addObserver(this, "test-options", false);
}
vacuumParticipant.prototype =
{
classDescription: "vacuumParticipant",
classID: Components.ID("{52aa0b22-b82f-4e38-992a-c3675a3355d2}"),
contractID: "@unit.test.com/test-vacuum-participant;1",
get expectedDatabasePageSize() {
return this._dbConn.defaultPageSize;
},
get databaseConnection() {
return this._dbConn;
},
_grant: true,
onBeginVacuum: function TVP_onBeginVacuum()
{
if (!this._grant) {
this._grant = true;
return false;
}
Services.obs.notifyObservers(null, "test-begin-vacuum", null);
return true;
},
onEndVacuum: function TVP_EndVacuum(aSucceeded)
{
if (this._stmt) {
this._stmt.finalize();
}
Services.obs.notifyObservers(null, "test-end-vacuum", aSucceeded);
},
observe: function TVP_observe(aSubject, aTopic, aData)
{
if (aData == "opt-out") {
this._grant = false;
}
else if (aData == "wal") {
try {
this._dbConn.close();
} catch (e) {
// Do nothing.
}
this._dbConn = getDatabase(new_db_file("testVacuum2"));
}
else if (aData == "wal-fail") {
try {
this._dbConn.close();
} catch (e) {
// Do nothing.
}
this._dbConn = getDatabase(new_db_file("testVacuum3"));
// Use WAL journal mode.
this._dbConn.executeSimpleSQL("PRAGMA journal_mode = WAL");
// Create a not finalized statement.
this._stmt = this._dbConn.createStatement("SELECT :test");
this._stmt.params.test = 1;
this._stmt.executeStep();
}
else if (aData == "memory") {
try {
this._dbConn.asyncClose();
} catch (e) {
// Do nothing.
}
this._dbConn = Cc["@mozilla.org/storage/service;1"].
getService(Ci.mozIStorageService).
openSpecialDatabase("memory");
}
else if (aData == "dispose") {
Services.obs.removeObserver(this, "test-options");
try {
this._dbConn.asyncClose();
} catch (e) {
// Do nothing.
}
}
},
QueryInterface: XPCOMUtils.generateQI([
Ci.mozIStorageVacuumParticipant,
Ci.nsIObserver,
])
};
var gComponentsArray = [vacuumParticipant];
this.NSGetFactory = XPCOMUtils.generateNSGetFactory(gComponentsArray);
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