| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'package:mockito/mockito.dart'; |
| import 'package:test/test.dart'; |
| |
| import 'package:plugin_platform_interface/plugin_platform_interface.dart'; |
| |
| class SamplePluginPlatform extends PlatformInterface { |
| SamplePluginPlatform() : super(token: _token); |
| |
| static final Object _token = Object(); |
| |
| static set instance(SamplePluginPlatform instance) { |
| PlatformInterface.verifyToken(instance, _token); |
| // A real implementation would set a static instance field here. |
| } |
| } |
| |
| class ImplementsSamplePluginPlatform extends Mock |
| implements SamplePluginPlatform {} |
| |
| class ImplementsSamplePluginPlatformUsingMockPlatformInterfaceMixin extends Mock |
| with MockPlatformInterfaceMixin |
| implements SamplePluginPlatform {} |
| |
| class ExtendsSamplePluginPlatform extends SamplePluginPlatform {} |
| |
| void main() { |
| test('Cannot be implemented with `implements`', () { |
| expect(() { |
| SamplePluginPlatform.instance = ImplementsSamplePluginPlatform(); |
| }, throwsA(isA<AssertionError>())); |
| }); |
| |
| test('Can be mocked with `implements`', () { |
| final SamplePluginPlatform mock = |
| ImplementsSamplePluginPlatformUsingMockPlatformInterfaceMixin(); |
| SamplePluginPlatform.instance = mock; |
| }); |
| |
| test('Can be extended', () { |
| SamplePluginPlatform.instance = ExtendsSamplePluginPlatform(); |
| }); |
| } |