forked from mirrors/gecko-dev
62 lines
2.2 KiB
JavaScript
62 lines
2.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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function run_test() {
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// Set up profile. We will use profile path create some test files.
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do_get_profile();
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// Start executing the tests.
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run_next_test();
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}
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/**
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* Test the watcher correctly handles two watches sharing the same
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* change callback.
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*/
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add_task(async function test_watch_with_shared_callback() {
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// Create and watch two sub-directories of the profile directory so we don't
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// catch notifications we're not interested in (i.e. "startupCache").
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let watchedDirs =
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[
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OS.Path.join(OS.Constants.Path.profileDir, "filewatcher_playground"),
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OS.Path.join(OS.Constants.Path.profileDir, "filewatcher_playground2")
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];
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await OS.File.makeDir(watchedDirs[0]);
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await OS.File.makeDir(watchedDirs[1]);
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let tempFileName = "test_filecreation.tmp";
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// Instantiate and initialize the native watcher.
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let watcher = makeWatcher();
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let deferred = Promise.defer();
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// Watch both directories using the same callbacks.
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await promiseAddPath(watcher, watchedDirs[0], deferred.resolve, deferred.reject);
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await promiseAddPath(watcher, watchedDirs[1], deferred.resolve, deferred.reject);
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// Remove the watch for the first directory, but keep watching
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// for changes in the second: we need to make sure the callback
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// survives the removal of the first watch.
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watcher.removePath(watchedDirs[0], deferred.resolve, deferred.reject);
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// Create a file within the watched directory.
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let tmpFilePath = OS.Path.join(watchedDirs[1], tempFileName);
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await OS.File.writeAtomic(tmpFilePath, "some data");
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// Wait until the watcher informs us that the file was created.
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let changed = await deferred.promise;
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Assert.equal(changed, tmpFilePath);
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// Remove the watch and free the associated memory (we need to
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// reuse 'deferred.resolve' and 'deferred.reject' to unregister).
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watcher.removePath(watchedDirs[1], deferred.resolve, deferred.reject);
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// Remove the test directories and all of their content.
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await OS.File.removeDir(watchedDirs[0]);
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await OS.File.removeDir(watchedDirs[1]);
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});
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