| // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'dart:async'; |
| |
| import 'package:test/test.dart'; |
| |
| import '../utils.dart'; |
| |
| void sharedTests() { |
| test("doesn't notify if the file isn't modified", () async { |
| await startWatcher(path: "file.txt"); |
| await pumpEventQueue(); |
| deleteFile("file.txt"); |
| await expectRemoveEvent("file.txt"); |
| }); |
| |
| test("notifies when a file is modified", () async { |
| await startWatcher(path: "file.txt"); |
| writeFile("file.txt", contents: "modified"); |
| await expectModifyEvent("file.txt"); |
| }); |
| |
| test("notifies when a file is removed", () async { |
| await startWatcher(path: "file.txt"); |
| deleteFile("file.txt"); |
| await expectRemoveEvent("file.txt"); |
| }); |
| |
| test("notifies when a file is modified multiple times", () async { |
| await startWatcher(path: "file.txt"); |
| writeFile("file.txt", contents: "modified"); |
| await expectModifyEvent("file.txt"); |
| writeFile("file.txt", contents: "modified again"); |
| await expectModifyEvent("file.txt"); |
| }); |
| |
| test("notifies even if the file contents are unchanged", () async { |
| await startWatcher(path: "file.txt"); |
| writeFile("file.txt"); |
| await expectModifyEvent("file.txt"); |
| }); |
| |
| test("emits a remove event when the watched file is moved away", () async { |
| await startWatcher(path: "file.txt"); |
| renameFile("file.txt", "new.txt"); |
| await expectRemoveEvent("file.txt"); |
| }); |
| |
| test( |
| "emits a modify event when another file is moved on top of the watched " |
| "file", () async { |
| writeFile("old.txt"); |
| await startWatcher(path: "file.txt"); |
| renameFile("old.txt", "file.txt"); |
| await expectModifyEvent("file.txt"); |
| }); |
| |
| // Regression test for a race condition. |
| test("closes the watcher immediately after deleting the file", () async { |
| writeFile("old.txt"); |
| var watcher = createWatcher(path: "file.txt"); |
| var sub = watcher.events.listen(null); |
| |
| deleteFile("file.txt"); |
| await Future.delayed(Duration(milliseconds: 10)); |
| await sub.cancel(); |
| }); |
| } |