141 lines
4.3 KiB
Dart
141 lines
4.3 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/services.dart';
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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('toString control test', (WidgetTester tester) async {
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final Widget widget = Title(
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color: const Color(0xFF00FF00),
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title: 'Awesome app',
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child: Container(),
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);
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expect(widget.toString, isNot(throwsException));
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});
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testWidgets('should handle having no title', (WidgetTester tester) async {
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final widget = Title(color: const Color(0xFF00FF00), child: Container());
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expect(widget.toString, isNot(throwsException));
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expect(widget.title, equals(''));
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expect(widget.color, equals(const Color(0xFF00FF00)));
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});
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testWidgets('should not allow non-opaque color', (WidgetTester tester) async {
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expect(() => Title(color: const Color(0x00000000), child: Container()), throwsAssertionError);
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});
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testWidgets('should not pass "null" to setApplicationSwitcherDescription', (
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WidgetTester tester,
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) async {
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final log = <MethodCall>[];
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tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, (
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MethodCall methodCall,
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) async {
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log.add(methodCall);
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return null;
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});
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addTearDown(() {
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockMethodCallHandler(
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SystemChannels.platform,
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null,
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);
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});
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await tester.pumpWidget(Title(color: const Color(0xFF00FF00), child: Container()));
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expect(log, hasLength(1));
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expect(
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log.single,
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isMethodCall(
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'SystemChrome.setApplicationSwitcherDescription',
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arguments: <String, dynamic>{'label': '', 'primaryColor': 4278255360},
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),
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);
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});
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testWidgets(
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'should call setApplicationSwitcherDescription once when widget is rebuilt with same values',
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(WidgetTester tester) async {
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final log = <MethodCall>[];
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tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, (
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MethodCall methodCall,
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) async {
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log.add(methodCall);
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return null;
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});
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addTearDown(() {
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockMethodCallHandler(
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SystemChannels.platform,
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null,
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);
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});
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final title = Title(color: const Color(0xFF00FF00), child: Container());
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await tester.pumpWidget(title);
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await tester.pumpWidget(title);
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await tester.pumpWidget(title);
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expect(log, hasLength(1));
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expect(
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log.single,
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isMethodCall(
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'SystemChrome.setApplicationSwitcherDescription',
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arguments: <String, dynamic>{'label': '', 'primaryColor': 4278255360},
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),
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);
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},
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);
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testWidgets(
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'should call setApplicationSwitcherDescription again only when title or color changes',
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(WidgetTester tester) async {
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final log = <MethodCall>[];
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tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, (
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MethodCall methodCall,
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) async {
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log.add(methodCall);
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return null;
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});
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addTearDown(() {
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockMethodCallHandler(
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SystemChannels.platform,
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null,
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);
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});
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final title = Title(title: 'title', color: const Color(0xFF00FF00), child: Container());
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final title2 = Title(title: 'title2', color: const Color(0xFF00FF02), child: Container());
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await tester.pumpWidget(title);
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await tester.pumpWidget(title);
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await tester.pumpWidget(title2);
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await tester.pumpWidget(title2);
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expect(log, hasLength(2));
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expect(
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log.first,
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isMethodCall(
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'SystemChrome.setApplicationSwitcherDescription',
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arguments: <String, dynamic>{'label': 'title', 'primaryColor': 4278255360},
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),
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);
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expect(
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log.last,
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isMethodCall(
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'SystemChrome.setApplicationSwitcherDescription',
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arguments: <String, dynamic>{'label': 'title2', 'primaryColor': 4278255362},
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),
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);
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},
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);
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}
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