gecko/toolkit/components/places/tests/unit/test_history_notifications.js

109 lines
4.4 KiB
JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
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* for the specific language governing rights and limitations under the
* License.
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* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
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* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Marco Bonardo <mak77@bonardo.net> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* ***** END LICENSE BLOCK ***** */
const NS_PLACES_INIT_COMPLETE_TOPIC = "places-init-complete";
const NS_PLACES_DATABASE_LOCKED_TOPIC = "places-database-locked";
function run_test() {
do_test_pending();
// Create an observer for the Places notifications
var os = Cc["@mozilla.org/observer-service;1"].
getService(Ci.nsIObserverService);
var observer = {
_lockedNotificationReceived: false,
observe: function thn_observe(aSubject, aTopic, aData)
{
switch (aTopic) {
case NS_PLACES_INIT_COMPLETE_TOPIC:
do_check_true(this._lockedNotificationReceived);
os.removeObserver(this, NS_PLACES_INIT_COMPLETE_TOPIC);
os.removeObserver(this, NS_PLACES_DATABASE_LOCKED_TOPIC);
do_test_finished();
break;
case NS_PLACES_DATABASE_LOCKED_TOPIC:
if (this._lockedNotificationReceived)
do_throw("Locked notification should be observed only one time");
this._lockedNotificationReceived = true;
break;
}
}
};
os.addObserver(observer, NS_PLACES_INIT_COMPLETE_TOPIC, false);
os.addObserver(observer, NS_PLACES_DATABASE_LOCKED_TOPIC, false);
// Create a dummy places.sqlite and open an unshared connection on it
var dirSvc = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties);
var db = dirSvc.get('ProfD', Ci.nsIFile);
db.append("places.sqlite");
var storage = Cc["@mozilla.org/storage/service;1"].
getService(Ci.mozIStorageService);
var dbConn = storage.openUnsharedDatabase(db);
do_check_true(db.exists());
// We need an exclusive lock on the db
dbConn.executeSimpleSQL("PRAGMA locking_mode = EXCLUSIVE");
// Exclusive locking is lazy applied, we need to make a write to activate it
dbConn.executeSimpleSQL("PRAGMA USER_VERSION = 1");
// Try to create history service while the db is locked
try {
var hs1 = Cc["@mozilla.org/browser/nav-history-service;1"].
getService(Ci.nsINavHistoryService);
do_throw("Creating an instance of history service on a locked db should throw");
} catch (ex) {}
// Close our connection and try to cleanup the file (could fail on Windows)
dbConn.close();
if (db.exists()) {
try {
db.remove(false);
} catch(e) { dump("Unable to remove dummy places.sqlite"); }
}
// Create history service correctly
try {
var hs2 = Cc["@mozilla.org/browser/nav-history-service;1"].
getService(Ci.nsINavHistoryService);
} catch (ex) {
do_throw("Creating an instance of history service on a not locked db should not throw");
}
}