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Diffstat (limited to 'toolkit/components/filewatcher/tests/xpcshell/test_watch_file_deletion_single.js')
-rw-r--r-- | toolkit/components/filewatcher/tests/xpcshell/test_watch_file_deletion_single.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/toolkit/components/filewatcher/tests/xpcshell/test_watch_file_deletion_single.js b/toolkit/components/filewatcher/tests/xpcshell/test_watch_file_deletion_single.js new file mode 100644 index 000000000..97d2d61bc --- /dev/null +++ b/toolkit/components/filewatcher/tests/xpcshell/test_watch_file_deletion_single.js @@ -0,0 +1,54 @@ +/* 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 deletion when watching + * a single path. + */ +add_task(function* test_watch_single_path_file_deletion() { + + // 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); + + let tempFileName = "test_filedeletion.tmp"; + + // Instantiate and initialize the native watcher. + let watcher = makeWatcher(); + let deferred = Promise.defer(); + + // Create a file within the directory to be watched. We do this + // before watching the directory so we do not get the creation notification. + let tmpFilePath = OS.Path.join(watchedDir, tempFileName); + yield OS.File.writeAtomic(tmpFilePath, "some data"); + + // 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); + + // Remove the file we created (should trigger a notification). + do_print('Removing ' + tmpFilePath); + yield OS.File.remove(tmpFilePath); + + // Wait until the watcher informs us that the file was deleted. + 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); +}); |