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