blob: f06902c2784d16832a19ee2836f3176aeaf236ac [file] [log] [blame]
// 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 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();
}