flutter/examples/api/test/material/tabs/tab_bar.2_test.dart
Pierre-Louis 02d5c7595b
Add support for secondary tab bar (#122756)
Add support for secondary tab bar
2023-03-23 22:49:59 +00:00

72 lines
2.5 KiB
Dart

// 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);
final Finder primaryTab1 = find.widgetWithText(Tab, primaryTabLabel1);
final Finder primaryTab2 = find.widgetWithText(Tab, primaryTabLabel2);
final Finder primaryTab3 = find.widgetWithText(Tab, primaryTabLabel3);
final Finder secondaryTab2 = find.widgetWithText(Tab, secondaryTabLabel2);
String tabBarViewText = '$primaryTabLabel2: $secondaryTabLabel1 tab';
expect(find.text(tabBarViewText), findsOneWidget);
await tester.tap(primaryTab1);
await tester.pumpAndSettle();
tabBarViewText = '$primaryTabLabel1: $secondaryTabLabel1 tab';
expect(find.text(tabBarViewText), findsOneWidget);
await tester.tap(secondaryTab2);
await tester.pumpAndSettle();
tabBarViewText = '$primaryTabLabel1: $secondaryTabLabel2 tab';
expect(find.text(tabBarViewText), findsOneWidget);
await tester.tap(primaryTab2);
await tester.pumpAndSettle();
tabBarViewText = '$primaryTabLabel2: $secondaryTabLabel1 tab';
expect(find.text(tabBarViewText), findsOneWidget);
await tester.tap(secondaryTab2);
await tester.pumpAndSettle();
tabBarViewText = '$primaryTabLabel2: $secondaryTabLabel2 tab';
expect(find.text(tabBarViewText), findsOneWidget);
await tester.tap(primaryTab3);
await tester.pumpAndSettle();
tabBarViewText = '$primaryTabLabel3: $secondaryTabLabel1 tab';
expect(find.text(tabBarViewText), findsOneWidget);
await tester.tap(secondaryTab2);
await tester.pumpAndSettle();
tabBarViewText = '$primaryTabLabel3: $secondaryTabLabel2 tab';
expect(find.text(tabBarViewText), findsOneWidget);
});
}