1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
function run_test() {
// Set up profile. We will use profile path create some test files.
do_get_profile();
// Start executing the tests.
run_next_test();
}
/**
* Test the watcher correctly handles two watches sharing the same
* change callback.
*/
add_task(function* test_watch_with_shared_callback() {
// Create and watch two sub-directories of the profile directory so we don't
// catch notifications we're not interested in (i.e. "startupCache").
let watchedDirs =
[
OS.Path.join(OS.Constants.Path.profileDir, "filewatcher_playground"),
OS.Path.join(OS.Constants.Path.profileDir, "filewatcher_playground2")
];
yield OS.File.makeDir(watchedDirs[0]);
yield OS.File.makeDir(watchedDirs[1]);
let tempFileName = "test_filecreation.tmp";
// Instantiate and initialize the native watcher.
let watcher = makeWatcher();
let deferred = Promise.defer();
// Watch both directories using the same callbacks.
yield promiseAddPath(watcher, watchedDirs[0], deferred.resolve, deferred.reject);
yield promiseAddPath(watcher, watchedDirs[1], deferred.resolve, deferred.reject);
// Remove the watch for the first directory, but keep watching
// for changes in the second: we need to make sure the callback
// survives the removal of the first watch.
watcher.removePath(watchedDirs[0], deferred.resolve, deferred.reject);
// Create a file within the watched directory.
let tmpFilePath = OS.Path.join(watchedDirs[1], tempFileName);
yield OS.File.writeAtomic(tmpFilePath, "some data");
// Wait until the watcher informs us that the file was created.
let changed = yield deferred.promise;
do_check_eq(changed, tmpFilePath);
// Remove the watch and free the associated memory (we need to
// reuse 'deferred.resolve' and 'deferred.reject' to unregister).
watcher.removePath(watchedDirs[1], deferred.resolve, deferred.reject);
// Remove the test directories and all of their content.
yield OS.File.removeDir(watchedDirs[0]);
yield OS.File.removeDir(watchedDirs[1]);
});
|
