The Tor Browser: toolkit/components/places/tests/unit/test_history

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 const NS_PLACES_INIT_COMPLETE_TOPIC = "places-init-complete";

     8 const NS_PLACES_DATABASE_LOCKED_TOPIC = "places-database-locked";

    10 function run_test() {

    11   do_test_pending();

    13   // Create an observer for the Places notifications

    14   var os = Cc["@mozilla.org/observer-service;1"].

    15          getService(Ci.nsIObserverService);

    16   var observer = {

    17     _lockedNotificationReceived: false,

    18     observe: function thn_observe(aSubject, aTopic, aData)

    19     {

    20       switch (aTopic) {

    21         case NS_PLACES_INIT_COMPLETE_TOPIC:

    22           do_check_true(this._lockedNotificationReceived);

    23           os.removeObserver(this, NS_PLACES_INIT_COMPLETE_TOPIC);

    24           os.removeObserver(this, NS_PLACES_DATABASE_LOCKED_TOPIC);

    25           do_test_finished();

    26           break;

    27         case NS_PLACES_DATABASE_LOCKED_TOPIC:

    28           if (this._lockedNotificationReceived)

    29             do_throw("Locked notification should be observed only one time");

    30           this._lockedNotificationReceived = true;

    31           break;

    32       }

    33     }

    34   };

    35   os.addObserver(observer, NS_PLACES_INIT_COMPLETE_TOPIC, false);

    36   os.addObserver(observer, NS_PLACES_DATABASE_LOCKED_TOPIC, false);

    38   // Create a dummy places.sqlite and open an unshared connection on it

    39   var dirSvc = Cc["@mozilla.org/file/directory_service;1"].

    40                getService(Ci.nsIProperties);

    41   var db = dirSvc.get('ProfD', Ci.nsIFile);

    42   db.append("places.sqlite");

    43   var storage = Cc["@mozilla.org/storage/service;1"].

    44                 getService(Ci.mozIStorageService);

    45   var dbConn = storage.openUnsharedDatabase(db);

    46   do_check_true(db.exists());

    48   // We need an exclusive lock on the db

    49   dbConn.executeSimpleSQL("PRAGMA locking_mode = EXCLUSIVE");

    50   // Exclusive locking is lazy applied, we need to make a write to activate it

    51   dbConn.executeSimpleSQL("PRAGMA USER_VERSION = 1");

    53   // Try to create history service while the db is locked

    54   try {

    55     var hs1 = Cc["@mozilla.org/browser/nav-history-service;1"].

    56               getService(Ci.nsINavHistoryService);

    57     do_throw("Creating an instance of history service on a locked db should throw");

    58   } catch (ex) {}

    60   // Close our connection and try to cleanup the file (could fail on Windows)

    61   dbConn.close();

    62   if (db.exists()) {

    63     try {

    64       db.remove(false);

    65     } catch(e) { dump("Unable to remove dummy places.sqlite"); }

    66   }

    68   // Create history service correctly

    69   try {

    70     var hs2 = Cc["@mozilla.org/browser/nav-history-service;1"].

    71               getService(Ci.nsINavHistoryService);

    72   } catch (ex) {

    73     do_throw("Creating an instance of history service on a not locked db should not throw");

    74   }

    75 }

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