47 lines
1.5 KiB
Dart
47 lines
1.5 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:flutter_api_samples/material/drawer/drawer.0.dart' as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('Navigation bar updates destination on tap', (
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WidgetTester tester,
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) async {
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await tester.pumpWidget(const example.DrawerApp());
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await tester.tap(find.byIcon(Icons.menu));
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await tester.pumpAndSettle();
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/// NavigationDestinations must be rendered
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expect(find.text('Messages'), findsOneWidget);
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expect(find.text('Profile'), findsOneWidget);
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expect(find.text('Settings'), findsOneWidget);
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/// Initial index must be zero
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expect(find.text('Page: '), findsOneWidget);
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/// Switch to second tab
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await tester.tap(
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find.ancestor(of: find.text('Messages'), matching: find.byType(InkWell)),
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);
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await tester.pumpAndSettle();
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expect(find.text('Page: Messages'), findsOneWidget);
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/// Switch to third tab
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await tester.tap(
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find.ancestor(of: find.text('Profile'), matching: find.byType(InkWell)),
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);
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await tester.pumpAndSettle();
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expect(find.text('Page: Profile'), findsOneWidget);
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/// Switch to fourth tab
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await tester.tap(
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find.ancestor(of: find.text('Settings'), matching: find.byType(InkWell)),
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);
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await tester.pumpAndSettle();
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expect(find.text('Page: Settings'), findsOneWidget);
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});
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}
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