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<!-- Thanks for filing a pull request! Reviewers are typically assigned within a week of filing a request. To learn more about code review, see our documentation on Tree Hygiene: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md --> This PR removes redundant useMaterial3: true as described in https://github.com/flutter/flutter/issues/162818 *List which issues are fixed by this PR. You must list at least one issue. An issue is not required if the PR fixes something trivial like a typo.* - https://github.com/flutter/flutter/issues/162818 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [ ] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md --------- Co-authored-by: Qun Cheng <36861262+QuncCccccc@users.noreply.github.com>
87 lines
3.2 KiB
Dart
87 lines
3.2 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/theme/theme_extension.1.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('ThemeExtension can be obtained', (WidgetTester tester) async {
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await tester.pumpWidget(const example.ThemeExtensionExampleApp());
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final ThemeData theme = Theme.of(tester.element(find.byType(example.Home)));
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final example.MyColors colors = theme.extension<example.MyColors>()!;
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expect(colors.brandColor, equals(const Color(0xFF1E88E5)));
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expect(colors.danger, equals(const Color(0xFFE53935)));
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});
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testWidgets('ThemeExtension can be changed', (WidgetTester tester) async {
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await tester.pumpWidget(const example.ThemeExtensionExampleApp());
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ThemeData theme = Theme.of(tester.element(find.byType(example.Home)));
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example.MyColors colors = theme.extension<example.MyColors>()!;
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expect(colors.brandColor, equals(const Color(0xFF1E88E5)));
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expect(colors.danger, equals(const Color(0xFFE53935)));
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// Tap the IconButton to switch theme mode from light to dark.
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await tester.tap(find.byType(IconButton));
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await tester.pumpAndSettle();
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theme = Theme.of(tester.element(find.byType(example.Home)));
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colors = theme.extension<example.MyColors>()!;
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expect(colors.brandColor, equals(const Color(0xFF90CAF9)));
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expect(colors.danger, equals(const Color(0xFFEF9A9A)));
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});
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testWidgets('Home uses MyColors extension correctly', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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theme: ThemeData(
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extensions: const <ThemeExtension<dynamic>>[
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example.MyColors(brandColor: Color(0xFF0000FF), danger: Color(0xFFFF0000)),
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],
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),
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home: example.Home(isLightTheme: true, toggleTheme: () {}),
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),
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);
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expect(
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find.byType(example.Home),
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paints
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..rect(color: const Color(0xFF0000FF))
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..rect(color: const Color(0xFFFF0000)),
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);
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});
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testWidgets('Home updates IconButton correctly', (WidgetTester tester) async {
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await tester.pumpWidget(const example.ThemeExtensionExampleApp());
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example.Home home = tester.widget(find.byType(example.Home));
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IconButton iconButton = tester.widget(find.byType(IconButton));
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ThemeData theme = Theme.of(tester.element(find.byType(example.Home)));
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expect(theme.brightness, equals(Brightness.light));
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expect(home.isLightTheme, isTrue);
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expect(
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iconButton.icon,
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isA<Icon>().having((Icon i) => i.icon, 'icon', equals(Icons.nightlight)),
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);
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// Tap the IconButton to switch theme mode from light to dark.
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await tester.tap(find.byType(IconButton));
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await tester.pumpAndSettle();
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home = tester.widget(find.byType(example.Home));
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iconButton = tester.widget(find.byType(IconButton));
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theme = Theme.of(tester.element(find.byType(example.Home)));
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expect(theme.brightness, equals(Brightness.dark));
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expect(home.isLightTheme, isFalse);
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expect(iconButton.icon, isA<Icon>().having((Icon i) => i.icon, 'icon', equals(Icons.wb_sunny)));
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});
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}
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