| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // @dart = 2.8 |
| |
| import 'dart:async'; |
| |
| import 'package:flutter_tools/src/base/file_system.dart'; |
| |
| import '../src/common.dart'; |
| import 'test_data/single_widget_reload_project.dart'; |
| import 'test_driver.dart'; |
| import 'test_utils.dart'; |
| |
| void main() { |
| Directory tempDir; |
| final SingleWidgetReloadProject project = SingleWidgetReloadProject(); |
| FlutterRunTestDriver flutter; |
| |
| setUp(() async { |
| tempDir = createResolvedTempDirectorySync('hot_reload_test.'); |
| await project.setUpIn(tempDir); |
| flutter = FlutterRunTestDriver(tempDir); |
| }); |
| |
| tearDown(() async { |
| await flutter?.stop(); |
| tryToDelete(tempDir); |
| }); |
| |
| testWithoutContext('newly added code executes during hot reload with single widget reloads, but only invalidated widget', () async { |
| final StringBuffer stdout = StringBuffer(); |
| final StreamSubscription<String> subscription = flutter.stdout.listen(stdout.writeln); |
| await flutter.run(singleWidgetReloads: true); |
| project.uncommentHotReloadPrint(); |
| try { |
| await flutter.hotReload(); |
| expect(stdout.toString(), allOf( |
| contains('(((TICK 1)))'), |
| contains('(((((RELOAD WORKED)))))'), |
| // Does not invalidate parent widget, so second tick is not output. |
| isNot(contains('(((TICK 2)))'), |
| ))); |
| } finally { |
| await subscription.cancel(); |
| } |
| }); |
| |
| testWithoutContext('changes outside of the class body triggers a full reload', () async { |
| final StringBuffer stdout = StringBuffer(); |
| final StreamSubscription<String> subscription = flutter.stdout.listen(stdout.writeln); |
| await flutter.run(singleWidgetReloads: true); |
| project.modifyFunction(); |
| try { |
| await flutter.hotReload(); |
| expect(stdout.toString(), allOf( |
| contains('(((TICK 1)))'), |
| contains('(((TICK 2)))'), |
| )); |
| } finally { |
| await subscription.cancel(); |
| } |
| }); |
| } |