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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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tree10027f336435511475e392454359edea8e25895d /toolkit/components/filewatcher/tests/xpcshell/test_watch_recursively.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/toolkit/components/filewatcher/tests/xpcshell/test_watch_recursively.js b/toolkit/components/filewatcher/tests/xpcshell/test_watch_recursively.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 notifies of a file creation in a subdirectory
+ * of the watched sub-directory (recursion).
+ */
+add_task(function* test_watch_recursively() {
+
+ // Create and watch a sub-directory of the profile directory so we don't
+ // catch notifications we're not interested in (i.e. "startupCache").
+ let watchedDir = OS.Path.join(OS.Constants.Path.profileDir, "filewatcher_playground");
+ yield OS.File.makeDir(watchedDir);
+
+ // We need at least 2 levels of directories to test recursion.
+ let subdirectory = OS.Path.join(watchedDir, "level1");
+ yield OS.File.makeDir(subdirectory);
+
+ let tempFileName = "test_filecreation.tmp";
+
+ // Instantiate and initialize the native watcher.
+ let watcher = makeWatcher();
+ let deferred = Promise.defer();
+
+ let tmpFilePath = OS.Path.join(subdirectory, tempFileName);
+
+ // Add the profile directory to the watch list and wait for the file watcher
+ // to start watching it.
+ yield promiseAddPath(watcher, watchedDir, deferred.resolve, deferred.reject);
+
+ // Create a file within the subdirectory of the watched directory.
+ 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).
+ yield promiseRemovePath(watcher, watchedDir, deferred.resolve, deferred.reject);
+
+ // Remove the test directory and all of its content.
+ yield OS.File.removeDir(watchedDir);
+});