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-rw-r--r--toolkit/components/filewatcher/tests/xpcshell/test_shared_callback.js62
1 files changed, 62 insertions, 0 deletions
diff --git a/toolkit/components/filewatcher/tests/xpcshell/test_shared_callback.js b/toolkit/components/filewatcher/tests/xpcshell/test_shared_callback.js
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+++ b/toolkit/components/filewatcher/tests/xpcshell/test_shared_callback.js
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+/* 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]);
+});