| 1 | // Copyright 2014 The Flutter Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | import 'package:flutter/material.dart'; |
| 6 | import 'package:flutter_api_samples/material/page_transitions_theme/page_transitions_theme.1.dart' |
| 7 | as example; |
| 8 | import 'package:flutter_test/flutter_test.dart'; |
| 9 | |
| 10 | void main() { |
| 11 | testWidgets('MaterialApp defines a custom PageTransitionsTheme', (WidgetTester tester) async { |
| 12 | await tester.pumpWidget(const example.PageTransitionsThemeApp()); |
| 13 | |
| 14 | final Finder homePage = find.byType(example.HomePage); |
| 15 | expect(homePage, findsOneWidget); |
| 16 | |
| 17 | final PageTransitionsTheme theme = Theme.of(tester.element(homePage)).pageTransitionsTheme; |
| 18 | expect(theme.builders, isNotNull); |
| 19 | |
| 20 | // Check defined page transitions builder for each platform. |
| 21 | for (final TargetPlatform platform in TargetPlatform.values) { |
| 22 | switch (platform) { |
| 23 | case TargetPlatform.android: |
| 24 | expect(theme.builders[platform], isA<ZoomPageTransitionsBuilder>()); |
| 25 | final ZoomPageTransitionsBuilder builder = |
| 26 | theme.builders[platform]! as ZoomPageTransitionsBuilder; |
| 27 | expect(builder.allowSnapshotting, isFalse); |
| 28 | case TargetPlatform.iOS: |
| 29 | case TargetPlatform.macOS: |
| 30 | case TargetPlatform.linux: |
| 31 | case TargetPlatform.fuchsia: |
| 32 | case TargetPlatform.windows: |
| 33 | expect(theme.builders[platform], isNull); |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | // Can navigate to the second page. |
| 38 | expect(find.text('To SecondPage'), findsOneWidget); |
| 39 | await tester.tap(find.text('To SecondPage')); |
| 40 | await tester.pumpAndSettle(); |
| 41 | |
| 42 | // Can navigate back to the home page. |
| 43 | expect(find.text('Back to HomePage'), findsOneWidget); |
| 44 | await tester.tap(find.text('Back to HomePage')); |
| 45 | await tester.pumpAndSettle(); |
| 46 | expect(find.text('To SecondPage'), findsOneWidget); |
| 47 | }); |
| 48 | } |
| 49 |