| // 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. |
| |
| import 'package:flutter/material.dart'; |
| import 'package:flutter_api_samples/material/tabs/tab_bar.2.dart' as example; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets('Switch tabs in the TabBar', (WidgetTester tester) async { |
| const String primaryTabLabel1 = 'Flights'; |
| const String primaryTabLabel2 = 'Trips'; |
| const String primaryTabLabel3 = 'Explore'; |
| const String secondaryTabLabel1 = 'Overview'; |
| const String secondaryTabLabel2 = 'Specifications'; |
| |
| await tester.pumpWidget( |
| const example.TabBarApp(), |
| ); |
| |
| final TabBar primaryTabBar = tester.widget<TabBar>(find.byType(TabBar).last); |
| expect(primaryTabBar.tabs.length, 3); |
| |
| final TabBar secondaryTabBar = tester.widget<TabBar>(find.byType(TabBar).first); |
| expect(secondaryTabBar.tabs.length, 2); |
| |
| String tabBarViewText = '$primaryTabLabel2: $secondaryTabLabel1 tab'; |
| expect(find.text(tabBarViewText), findsOneWidget); |
| |
| await tester.tap(find.text(primaryTabLabel1)); |
| await tester.pumpAndSettle(); |
| |
| tabBarViewText = '$primaryTabLabel1: $secondaryTabLabel1 tab'; |
| expect(find.text(tabBarViewText), findsOneWidget); |
| |
| await tester.tap(find.text(secondaryTabLabel2)); |
| await tester.pumpAndSettle(); |
| |
| tabBarViewText = '$primaryTabLabel1: $secondaryTabLabel2 tab'; |
| expect(find.text(tabBarViewText), findsOneWidget); |
| |
| await tester.tap(find.text(primaryTabLabel2)); |
| await tester.pumpAndSettle(); |
| |
| tabBarViewText = '$primaryTabLabel2: $secondaryTabLabel1 tab'; |
| expect(find.text(tabBarViewText), findsOneWidget); |
| |
| await tester.tap(find.text(secondaryTabLabel2)); |
| await tester.pumpAndSettle(); |
| |
| tabBarViewText = '$primaryTabLabel2: $secondaryTabLabel2 tab'; |
| expect(find.text(tabBarViewText), findsOneWidget); |
| |
| await tester.tap(find.text(primaryTabLabel3)); |
| await tester.pumpAndSettle(); |
| |
| tabBarViewText = '$primaryTabLabel3: $secondaryTabLabel1 tab'; |
| expect(find.text(tabBarViewText), findsOneWidget); |
| |
| await tester.tap(find.text(secondaryTabLabel2)); |
| await tester.pumpAndSettle(); |
| |
| tabBarViewText = '$primaryTabLabel3: $secondaryTabLabel2 tab'; |
| expect(find.text(tabBarViewText), findsOneWidget); |
| }); |
| } |