| // Copyright 2013 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. |
| |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:mockito/mockito.dart'; |
| import 'package:plugin_platform_interface/plugin_platform_interface.dart'; |
| import 'package:webview_flutter_platform_interface/webview_flutter_platform_interface.dart'; |
| |
| import 'webview_platform_test.mocks.dart'; |
| |
| void main() { |
| setUp(() { |
| WebViewPlatform.instance = MockWebViewPlatformWithMixin(); |
| }); |
| |
| test('Cannot be implemented with `implements`', () { |
| const PlatformNavigationDelegateCreationParams params = |
| PlatformNavigationDelegateCreationParams(); |
| when(WebViewPlatform.instance!.createPlatformNavigationDelegate(params)) |
| .thenReturn(ImplementsPlatformNavigationDelegate()); |
| |
| expect(() { |
| PlatformNavigationDelegate(params); |
| // In versions of `package:plugin_platform_interface` prior to fixing |
| // https://github.com/flutter/flutter/issues/109339, an attempt to |
| // implement a platform interface using `implements` would sometimes throw |
| // a `NoSuchMethodError` and other times throw an `AssertionError`. After |
| // the issue is fixed, an `AssertionError` will always be thrown. For the |
| // purpose of this test, we don't really care what exception is thrown, so |
| // just allow any exception. |
| }, throwsA(anything)); |
| }); |
| |
| test('Can be extended', () { |
| const PlatformNavigationDelegateCreationParams params = |
| PlatformNavigationDelegateCreationParams(); |
| when(WebViewPlatform.instance!.createPlatformNavigationDelegate(params)) |
| .thenReturn(ExtendsPlatformNavigationDelegate(params)); |
| |
| expect(PlatformNavigationDelegate(params), isNotNull); |
| }); |
| |
| test('Can be mocked with `implements`', () { |
| const PlatformNavigationDelegateCreationParams params = |
| PlatformNavigationDelegateCreationParams(); |
| when(WebViewPlatform.instance!.createPlatformNavigationDelegate(params)) |
| .thenReturn(MockNavigationDelegate()); |
| |
| expect(PlatformNavigationDelegate(params), isNotNull); |
| }); |
| |
| test( |
| 'Default implementation of setOnNavigationRequest should throw unimplemented error', |
| () { |
| final PlatformNavigationDelegate callbackDelegate = |
| ExtendsPlatformNavigationDelegate( |
| const PlatformNavigationDelegateCreationParams()); |
| |
| expect( |
| () => callbackDelegate.setOnNavigationRequest( |
| (NavigationRequest navigationRequest) => NavigationDecision.navigate), |
| throwsUnimplementedError, |
| ); |
| }); |
| |
| test( |
| 'Default implementation of setOnPageStarted should throw unimplemented error', |
| () { |
| final PlatformNavigationDelegate callbackDelegate = |
| ExtendsPlatformNavigationDelegate( |
| const PlatformNavigationDelegateCreationParams()); |
| |
| expect( |
| () => callbackDelegate.setOnPageStarted((String url) {}), |
| throwsUnimplementedError, |
| ); |
| }); |
| |
| test( |
| 'Default implementation of setOnPageFinished should throw unimplemented error', |
| () { |
| final PlatformNavigationDelegate callbackDelegate = |
| ExtendsPlatformNavigationDelegate( |
| const PlatformNavigationDelegateCreationParams()); |
| |
| expect( |
| () => callbackDelegate.setOnPageFinished((String url) {}), |
| throwsUnimplementedError, |
| ); |
| }); |
| |
| test( |
| 'Default implementation of setOnHttpError should throw unimplemented error', |
| () { |
| final PlatformNavigationDelegate callbackDelegate = |
| ExtendsPlatformNavigationDelegate( |
| const PlatformNavigationDelegateCreationParams()); |
| |
| expect( |
| () => callbackDelegate.setOnHttpError((HttpResponseError error) {}), |
| throwsUnimplementedError, |
| ); |
| }); |
| |
| test( |
| // ignore: lines_longer_than_80_chars |
| 'Default implementation of setOnProgress should throw unimplemented error', |
| () { |
| final PlatformNavigationDelegate callbackDelegate = |
| ExtendsPlatformNavigationDelegate( |
| const PlatformNavigationDelegateCreationParams()); |
| |
| expect( |
| () => callbackDelegate.setOnProgress((int progress) {}), |
| throwsUnimplementedError, |
| ); |
| }); |
| |
| test( |
| 'Default implementation of setOnWebResourceError should throw unimplemented error', |
| () { |
| final PlatformNavigationDelegate callbackDelegate = |
| ExtendsPlatformNavigationDelegate( |
| const PlatformNavigationDelegateCreationParams()); |
| |
| expect( |
| () => callbackDelegate.setOnWebResourceError((WebResourceError error) {}), |
| throwsUnimplementedError, |
| ); |
| }); |
| |
| test( |
| 'Default implementation of setOnUrlChange should throw unimplemented error', |
| () { |
| final PlatformNavigationDelegate callbackDelegate = |
| ExtendsPlatformNavigationDelegate( |
| const PlatformNavigationDelegateCreationParams()); |
| |
| expect( |
| () => callbackDelegate.setOnUrlChange((UrlChange change) {}), |
| throwsUnimplementedError, |
| ); |
| }); |
| } |
| |
| class MockWebViewPlatformWithMixin extends MockWebViewPlatform |
| with |
| // ignore: prefer_mixin |
| MockPlatformInterfaceMixin {} |
| |
| class ImplementsPlatformNavigationDelegate |
| implements PlatformNavigationDelegate { |
| @override |
| dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation); |
| } |
| |
| class MockNavigationDelegate extends Mock |
| with |
| // ignore: prefer_mixin |
| MockPlatformInterfaceMixin |
| implements |
| PlatformNavigationDelegate {} |
| |
| class ExtendsPlatformNavigationDelegate extends PlatformNavigationDelegate { |
| ExtendsPlatformNavigationDelegate(super.params) : super.implementation(); |
| } |