flutter_flutter/packages/flutter/test/material/switch_theme_test.dart
Kate Lovett 9d96df2364
Modernize framework lints (#179089)
WIP

Commits separated as follows:
- Update lints in analysis_options files
- Run `dart fix --apply`
- Clean up leftover analysis issues 
- Run `dart format .` in the right places.

Local analysis and testing passes. Checking CI now.

Part of https://github.com/flutter/flutter/issues/178827
- Adoption of flutter_lints in examples/api coming in a separate change
(cc @loic-sharma)

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [ ] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [ ] 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].

**Note**: The Flutter team is currently trialing the use of [Gemini Code
Assist for
GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code).
Comments from the `gemini-code-assist` bot should not be taken as
authoritative feedback from the Flutter team. If you find its comments
useful you can update your code accordingly, but if you are unsure or
disagree with the feedback, please feel free to wait for a Flutter team
member's review for guidance on which automated comments should be
addressed.

<!-- 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
2025-11-26 01:10:39 +00:00

1093 lines
39 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/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
test('SwitchThemeData copyWith, ==, hashCode basics', () {
expect(const SwitchThemeData(), const SwitchThemeData().copyWith());
expect(const SwitchThemeData().hashCode, const SwitchThemeData().copyWith().hashCode);
});
test('SwitchThemeData lerp special cases', () {
const data = SwitchThemeData();
expect(identical(SwitchThemeData.lerp(data, data, 0.5), data), true);
});
test('SwitchThemeData defaults', () {
const themeData = SwitchThemeData();
expect(themeData.thumbColor, null);
expect(themeData.trackColor, null);
expect(themeData.trackOutlineColor, null);
expect(themeData.trackOutlineWidth, null);
expect(themeData.mouseCursor, null);
expect(themeData.materialTapTargetSize, null);
expect(themeData.overlayColor, null);
expect(themeData.splashRadius, null);
expect(themeData.thumbIcon, null);
expect(themeData.padding, null);
const theme = SwitchTheme(data: SwitchThemeData(), child: SizedBox());
expect(theme.data.thumbColor, null);
expect(theme.data.trackColor, null);
expect(theme.data.trackOutlineColor, null);
expect(theme.data.trackOutlineWidth, null);
expect(theme.data.mouseCursor, null);
expect(theme.data.materialTapTargetSize, null);
expect(theme.data.overlayColor, null);
expect(theme.data.splashRadius, null);
expect(theme.data.thumbIcon, null);
expect(theme.data.padding, null);
});
testWidgets('Default SwitchThemeData debugFillProperties', (WidgetTester tester) async {
final builder = DiagnosticPropertiesBuilder();
const SwitchThemeData().debugFillProperties(builder);
final List<String> description = builder.properties
.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
.map((DiagnosticsNode node) => node.toString())
.toList();
expect(description, <String>[]);
});
testWidgets('SwitchThemeData implements debugFillProperties', (WidgetTester tester) async {
final builder = DiagnosticPropertiesBuilder();
const SwitchThemeData(
thumbColor: MaterialStatePropertyAll<Color>(Color(0xfffffff0)),
trackColor: MaterialStatePropertyAll<Color>(Color(0xfffffff1)),
trackOutlineColor: MaterialStatePropertyAll<Color>(Color(0xfffffff3)),
trackOutlineWidth: MaterialStatePropertyAll<double>(6.0),
mouseCursor: MaterialStatePropertyAll<MouseCursor>(SystemMouseCursors.click),
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
overlayColor: MaterialStatePropertyAll<Color>(Color(0xfffffff2)),
splashRadius: 1.0,
thumbIcon: MaterialStatePropertyAll<Icon>(Icon(IconData(123))),
padding: EdgeInsets.all(4.0),
).debugFillProperties(builder);
final List<String> description = builder.properties
.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
.map((DiagnosticsNode node) => node.toString())
.toList();
expect(description[0], 'thumbColor: WidgetStatePropertyAll(${const Color(0xfffffff0)})');
expect(description[1], 'trackColor: WidgetStatePropertyAll(${const Color(0xfffffff1)})');
expect(description[2], 'trackOutlineColor: WidgetStatePropertyAll(${const Color(0xfffffff3)})');
expect(description[3], 'trackOutlineWidth: WidgetStatePropertyAll(6.0)');
expect(description[4], 'materialTapTargetSize: MaterialTapTargetSize.shrinkWrap');
expect(description[5], 'mouseCursor: WidgetStatePropertyAll(SystemMouseCursor(click))');
expect(description[6], 'overlayColor: WidgetStatePropertyAll(${const Color(0xfffffff2)})');
expect(description[7], 'splashRadius: 1.0');
expect(description[8], 'thumbIcon: WidgetStatePropertyAll(Icon(IconData(U+0007B)))');
expect(description[9], 'padding: EdgeInsets.all(4.0)');
});
testWidgets('Material2 - Switch is themeable', (WidgetTester tester) async {
tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
const defaultThumbColor = Color(0xfffffff0);
const selectedThumbColor = Color(0xfffffff1);
const defaultTrackColor = Color(0xfffffff2);
const selectedTrackColor = Color(0xfffffff3);
const defaultTrackOutlineColor = Color(0xfffffff4);
const selectedTrackOutlineColor = Color(0xfffffff5);
const defaultTrackOutlineWidth = 3.0;
const selectedTrackOutlineWidth = 6.0;
const MouseCursor mouseCursor = SystemMouseCursors.text;
const MaterialTapTargetSize materialTapTargetSize = MaterialTapTargetSize.shrinkWrap;
const focusOverlayColor = Color(0xfffffff4);
const hoverOverlayColor = Color(0xfffffff5);
const splashRadius = 1.0;
const icon1 = Icon(Icons.check);
const icon2 = Icon(Icons.close);
final themeData = ThemeData(
useMaterial3: false,
switchTheme: SwitchThemeData(
thumbColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedThumbColor;
}
return defaultThumbColor;
}),
trackColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedTrackColor;
}
return defaultTrackColor;
}),
trackOutlineColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedTrackOutlineColor;
}
return defaultTrackOutlineColor;
}),
trackOutlineWidth: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedTrackOutlineWidth;
}
return defaultTrackOutlineWidth;
}),
mouseCursor: const MaterialStatePropertyAll<MouseCursor>(mouseCursor),
materialTapTargetSize: materialTapTargetSize,
overlayColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.focused)) {
return focusOverlayColor;
}
if (states.contains(WidgetState.hovered)) {
return hoverOverlayColor;
}
return null;
}),
splashRadius: splashRadius,
thumbIcon: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return icon1;
}
return icon2;
}),
),
);
Widget buildSwitch({bool selected = false, bool autofocus = false}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: Switch(
dragStartBehavior: DragStartBehavior.down,
value: selected,
onChanged: (bool value) {},
autofocus: autofocus,
),
),
);
}
// Switch.
await tester.pumpWidget(buildSwitch());
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: defaultTrackColor)
..rrect(color: defaultTrackOutlineColor, strokeWidth: defaultTrackOutlineWidth)
..rrect()
..rrect()
..rrect()
..rrect(color: defaultThumbColor),
);
// Size from MaterialTapTargetSize.shrinkWrap.
expect(tester.getSize(find.byType(Switch)), const Size(59.0, 40.0));
// Selected switch.
await tester.pumpWidget(buildSwitch(selected: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: selectedTrackColor)
..rrect(color: selectedTrackOutlineColor, strokeWidth: selectedTrackOutlineWidth)
..rrect()
..rrect()
..rrect()
..rrect(color: selectedThumbColor),
);
// Switch with hover.
await tester.pumpWidget(buildSwitch());
await _pointGestureToSwitch(tester);
await tester.pumpAndSettle();
expect(
RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
SystemMouseCursors.text,
);
expect(_getSwitchMaterial(tester), paints..circle(color: hoverOverlayColor));
// Switch with focus.
await tester.pumpWidget(buildSwitch(autofocus: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints..circle(color: focusOverlayColor, radius: splashRadius),
);
});
testWidgets('Material3 - Switch is themeable', (WidgetTester tester) async {
tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
const defaultThumbColor = Color(0xfffffff0);
const selectedThumbColor = Color(0xfffffff1);
const defaultTrackColor = Color(0xfffffff2);
const selectedTrackColor = Color(0xfffffff3);
const defaultTrackOutlineColor = Color(0xfffffff4);
const selectedTrackOutlineColor = Color(0xfffffff5);
const defaultTrackOutlineWidth = 3.0;
const selectedTrackOutlineWidth = 6.0;
const MouseCursor mouseCursor = SystemMouseCursors.text;
const MaterialTapTargetSize materialTapTargetSize = MaterialTapTargetSize.shrinkWrap;
const focusOverlayColor = Color(0xfffffff4);
const hoverOverlayColor = Color(0xfffffff5);
const splashRadius = 1.0;
const icon1 = Icon(Icons.check);
const icon2 = Icon(Icons.close);
final themeData = ThemeData(
switchTheme: SwitchThemeData(
thumbColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedThumbColor;
}
return defaultThumbColor;
}),
trackColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedTrackColor;
}
return defaultTrackColor;
}),
trackOutlineColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedTrackOutlineColor;
}
return defaultTrackOutlineColor;
}),
trackOutlineWidth: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedTrackOutlineWidth;
}
return defaultTrackOutlineWidth;
}),
mouseCursor: const MaterialStatePropertyAll<MouseCursor>(mouseCursor),
materialTapTargetSize: materialTapTargetSize,
overlayColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.focused)) {
return focusOverlayColor;
}
if (states.contains(WidgetState.hovered)) {
return hoverOverlayColor;
}
return null;
}),
splashRadius: splashRadius,
thumbIcon: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return icon1;
}
return icon2;
}),
),
);
Widget buildSwitch({bool selected = false, bool autofocus = false}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: Switch(
dragStartBehavior: DragStartBehavior.down,
value: selected,
onChanged: (bool value) {},
autofocus: autofocus,
),
),
);
}
// Switch.
await tester.pumpWidget(buildSwitch());
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: defaultTrackColor)
..rrect(color: defaultTrackOutlineColor, strokeWidth: defaultTrackOutlineWidth)
..rrect(color: defaultThumbColor)
..paragraph(),
);
// Size from MaterialTapTargetSize.shrinkWrap.
expect(tester.getSize(find.byType(Switch)), const Size(60.0, 40.0));
// Selected switch.
await tester.pumpWidget(buildSwitch(selected: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: selectedTrackColor)
..rrect(color: selectedTrackOutlineColor, strokeWidth: selectedTrackOutlineWidth)
..rrect(color: selectedThumbColor)
..paragraph(),
);
// Switch with hover.
await tester.pumpWidget(buildSwitch());
await _pointGestureToSwitch(tester);
await tester.pumpAndSettle();
expect(
RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
SystemMouseCursors.text,
);
expect(_getSwitchMaterial(tester), paints..circle(color: hoverOverlayColor));
// Switch with focus.
await tester.pumpWidget(buildSwitch(autofocus: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints..circle(color: focusOverlayColor, radius: splashRadius),
);
});
testWidgets('Material2 - Switch properties are taken over the theme values', (
WidgetTester tester,
) async {
tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
const themeDefaultThumbColor = Color(0xfffffff0);
const themeSelectedThumbColor = Color(0xfffffff1);
const themeDefaultTrackColor = Color(0xfffffff2);
const themeSelectedTrackColor = Color(0xfffffff3);
const themeDefaultOutlineColor = Color(0xfffffff6);
const themeSelectedOutlineColor = Color(0xfffffff7);
const themeDefaultOutlineWidth = 5.0;
const themeSelectedOutlineWidth = 7.0;
const MouseCursor themeMouseCursor = SystemMouseCursors.click;
const MaterialTapTargetSize themeMaterialTapTargetSize = MaterialTapTargetSize.padded;
const themeFocusOverlayColor = Color(0xfffffff4);
const themeHoverOverlayColor = Color(0xfffffff5);
const themeSplashRadius = 1.0;
const defaultThumbColor = Color(0xffffff0f);
const selectedThumbColor = Color(0xffffff1f);
const defaultTrackColor = Color(0xffffff2f);
const selectedTrackColor = Color(0xffffff3f);
const defaultOutlineColor = Color(0xffffff6f);
const selectedOutlineColor = Color(0xffffff7f);
const defaultOutlineWidth = 6.0;
const selectedOutlineWidth = 8.0;
const MouseCursor mouseCursor = SystemMouseCursors.text;
const MaterialTapTargetSize materialTapTargetSize = MaterialTapTargetSize.shrinkWrap;
const focusColor = Color(0xffffff4f);
const hoverColor = Color(0xffffff5f);
const splashRadius = 2.0;
final themeData = ThemeData(
useMaterial3: false,
switchTheme: SwitchThemeData(
thumbColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedThumbColor;
}
return themeDefaultThumbColor;
}),
trackColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedTrackColor;
}
return themeDefaultTrackColor;
}),
trackOutlineColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedOutlineColor;
}
return themeDefaultOutlineColor;
}),
trackOutlineWidth: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedOutlineWidth;
}
return themeDefaultOutlineWidth;
}),
mouseCursor: const MaterialStatePropertyAll<MouseCursor>(themeMouseCursor),
materialTapTargetSize: themeMaterialTapTargetSize,
overlayColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.focused)) {
return themeFocusOverlayColor;
}
if (states.contains(WidgetState.hovered)) {
return themeHoverOverlayColor;
}
return null;
}),
splashRadius: themeSplashRadius,
thumbIcon: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return null;
}
return null;
}),
),
);
Widget buildSwitch({bool selected = false, bool autofocus = false}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: Switch(
value: selected,
onChanged: (bool value) {},
autofocus: autofocus,
thumbColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedThumbColor;
}
return defaultThumbColor;
}),
trackColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedTrackColor;
}
return defaultTrackColor;
}),
trackOutlineColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedOutlineColor;
}
return defaultOutlineColor;
}),
trackOutlineWidth: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedOutlineWidth;
}
return defaultOutlineWidth;
}),
mouseCursor: mouseCursor,
materialTapTargetSize: materialTapTargetSize,
focusColor: focusColor,
hoverColor: hoverColor,
splashRadius: splashRadius,
thumbIcon: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return const Icon(Icons.add);
}
return const Icon(Icons.access_alarm);
}),
),
),
);
}
// Switch.
await tester.pumpWidget(buildSwitch());
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: defaultTrackColor)
..rrect(color: defaultOutlineColor, strokeWidth: defaultOutlineWidth)
..rrect()
..rrect()
..rrect()
..rrect(color: defaultThumbColor),
);
// Size from MaterialTapTargetSize.shrinkWrap.
expect(tester.getSize(find.byType(Switch)), const Size(59.0, 40.0));
// Selected switch.
await tester.pumpWidget(buildSwitch(selected: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: selectedTrackColor)
..rrect(color: selectedOutlineColor, strokeWidth: selectedOutlineWidth)
..rrect()
..rrect()
..rrect()
..rrect(color: selectedThumbColor),
);
// Switch with hover.
await tester.pumpWidget(buildSwitch());
await _pointGestureToSwitch(tester);
await tester.pumpAndSettle();
expect(
RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
SystemMouseCursors.text,
);
expect(_getSwitchMaterial(tester), paints..circle(color: hoverColor));
// Switch with focus.
await tester.pumpWidget(buildSwitch(autofocus: true));
await tester.pumpAndSettle();
expect(_getSwitchMaterial(tester), paints..circle(color: focusColor, radius: splashRadius));
});
testWidgets('Material3 - Switch properties are taken over the theme values', (
WidgetTester tester,
) async {
tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
const themeDefaultThumbColor = Color(0xfffffff0);
const themeSelectedThumbColor = Color(0xfffffff1);
const themeDefaultTrackColor = Color(0xfffffff2);
const themeSelectedTrackColor = Color(0xfffffff3);
const themeDefaultOutlineColor = Color(0xfffffff6);
const themeSelectedOutlineColor = Color(0xfffffff7);
const themeDefaultOutlineWidth = 5.0;
const themeSelectedOutlineWidth = 7.0;
const MouseCursor themeMouseCursor = SystemMouseCursors.click;
const MaterialTapTargetSize themeMaterialTapTargetSize = MaterialTapTargetSize.padded;
const themeFocusOverlayColor = Color(0xfffffff4);
const themeHoverOverlayColor = Color(0xfffffff5);
const themeSplashRadius = 1.0;
const defaultThumbColor = Color(0xffffff0f);
const selectedThumbColor = Color(0xffffff1f);
const defaultTrackColor = Color(0xffffff2f);
const selectedTrackColor = Color(0xffffff3f);
const defaultOutlineColor = Color(0xffffff6f);
const selectedOutlineColor = Color(0xffffff7f);
const defaultOutlineWidth = 6.0;
const selectedOutlineWidth = 8.0;
const MouseCursor mouseCursor = SystemMouseCursors.text;
const MaterialTapTargetSize materialTapTargetSize = MaterialTapTargetSize.shrinkWrap;
const focusColor = Color(0xffffff4f);
const hoverColor = Color(0xffffff5f);
const splashRadius = 2.0;
final themeData = ThemeData(
switchTheme: SwitchThemeData(
thumbColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedThumbColor;
}
return themeDefaultThumbColor;
}),
trackColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedTrackColor;
}
return themeDefaultTrackColor;
}),
trackOutlineColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedOutlineColor;
}
return themeDefaultOutlineColor;
}),
trackOutlineWidth: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedOutlineWidth;
}
return themeDefaultOutlineWidth;
}),
mouseCursor: const MaterialStatePropertyAll<MouseCursor>(themeMouseCursor),
materialTapTargetSize: themeMaterialTapTargetSize,
overlayColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.focused)) {
return themeFocusOverlayColor;
}
if (states.contains(WidgetState.hovered)) {
return themeHoverOverlayColor;
}
return null;
}),
splashRadius: themeSplashRadius,
thumbIcon: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return null;
}
return null;
}),
),
);
Widget buildSwitch({bool selected = false, bool autofocus = false}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: Switch(
value: selected,
onChanged: (bool value) {},
autofocus: autofocus,
thumbColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedThumbColor;
}
return defaultThumbColor;
}),
trackColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedTrackColor;
}
return defaultTrackColor;
}),
trackOutlineColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedOutlineColor;
}
return defaultOutlineColor;
}),
trackOutlineWidth: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return selectedOutlineWidth;
}
return defaultOutlineWidth;
}),
mouseCursor: mouseCursor,
materialTapTargetSize: materialTapTargetSize,
focusColor: focusColor,
hoverColor: hoverColor,
splashRadius: splashRadius,
thumbIcon: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return const Icon(Icons.add);
}
return const Icon(Icons.access_alarm);
}),
),
),
);
}
// Switch.
await tester.pumpWidget(buildSwitch());
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: defaultTrackColor)
..rrect(color: defaultOutlineColor, strokeWidth: defaultOutlineWidth)
..rrect(color: defaultThumbColor)
..paragraph(offset: const Offset(12, 12)),
);
// Size from MaterialTapTargetSize.shrinkWrap.
expect(tester.getSize(find.byType(Switch)), const Size(60.0, 40.0));
// Selected switch.
await tester.pumpWidget(buildSwitch(selected: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: selectedTrackColor)
..rrect(color: selectedOutlineColor, strokeWidth: selectedOutlineWidth)
..rrect(color: selectedThumbColor),
);
// Switch with hover.
await tester.pumpWidget(buildSwitch());
await _pointGestureToSwitch(tester);
await tester.pumpAndSettle();
expect(
RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
SystemMouseCursors.text,
);
expect(_getSwitchMaterial(tester), paints..circle(color: hoverColor));
// Switch with focus.
await tester.pumpWidget(buildSwitch(autofocus: true));
await tester.pumpAndSettle();
expect(_getSwitchMaterial(tester), paints..circle(color: focusColor, radius: splashRadius));
});
testWidgets('Material2 - Switch active and inactive properties are taken over the theme values', (
WidgetTester tester,
) async {
tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
const themeDefaultThumbColor = Color(0xfffffff0);
const themeSelectedThumbColor = Color(0xfffffff1);
const themeDefaultTrackColor = Color(0xfffffff2);
const themeSelectedTrackColor = Color(0xfffffff3);
const defaultThumbColor = Color(0xffffff0f);
const selectedThumbColor = Color(0xffffff1f);
const defaultTrackColor = Color(0xffffff2f);
const selectedTrackColor = Color(0xffffff3f);
final themeData = ThemeData(
useMaterial3: false,
switchTheme: SwitchThemeData(
thumbColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedThumbColor;
}
return themeDefaultThumbColor;
}),
trackColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedTrackColor;
}
return themeDefaultTrackColor;
}),
),
);
Widget buildSwitch({bool selected = false, bool autofocus = false}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: Switch(
value: selected,
onChanged: (bool value) {},
autofocus: autofocus,
activeColor: selectedThumbColor,
inactiveThumbColor: defaultThumbColor,
activeTrackColor: selectedTrackColor,
inactiveTrackColor: defaultTrackColor,
),
),
);
}
// Unselected switch.
await tester.pumpWidget(buildSwitch());
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: defaultTrackColor)
..rrect()
..rrect()
..rrect()
..rrect()
..rrect(color: defaultThumbColor),
);
// Selected switch.
await tester.pumpWidget(buildSwitch(selected: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: selectedTrackColor)
..rrect()
..rrect()
..rrect()
..rrect()
..rrect(color: selectedThumbColor),
);
});
testWidgets('Material3 - Switch active and inactive properties are taken over the theme values', (
WidgetTester tester,
) async {
tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;
const themeDefaultThumbColor = Color(0xfffffff0);
const themeSelectedThumbColor = Color(0xfffffff1);
const themeDefaultTrackColor = Color(0xfffffff2);
const themeSelectedTrackColor = Color(0xfffffff3);
const defaultThumbColor = Color(0xffffff0f);
const selectedThumbColor = Color(0xffffff1f);
const defaultTrackColor = Color(0xffffff2f);
const selectedTrackColor = Color(0xffffff3f);
final themeData = ThemeData(
switchTheme: SwitchThemeData(
thumbColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedThumbColor;
}
return themeDefaultThumbColor;
}),
trackColor: WidgetStateProperty.resolveWith((Set<WidgetState> states) {
if (states.contains(WidgetState.selected)) {
return themeSelectedTrackColor;
}
return themeDefaultTrackColor;
}),
),
);
Widget buildSwitch({bool selected = false, bool autofocus = false}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: Switch(
value: selected,
onChanged: (bool value) {},
autofocus: autofocus,
activeColor: selectedThumbColor,
inactiveThumbColor: defaultThumbColor,
activeTrackColor: selectedTrackColor,
inactiveTrackColor: defaultTrackColor,
),
),
);
}
// Unselected switch.
await tester.pumpWidget(buildSwitch());
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: defaultTrackColor)
..rrect(color: themeData.colorScheme.outline)
..rrect(color: defaultThumbColor),
);
// Selected switch.
await tester.pumpWidget(buildSwitch(selected: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: selectedTrackColor)
..rrect()
..rrect(color: selectedThumbColor),
);
});
testWidgets('Material2 - Switch theme overlay color resolves in active/pressed states', (
WidgetTester tester,
) async {
const activePressedOverlayColor = Color(0xFF000001);
const inactivePressedOverlayColor = Color(0xFF000002);
Color? getOverlayColor(Set<WidgetState> states) {
if (states.contains(WidgetState.pressed)) {
if (states.contains(WidgetState.selected)) {
return activePressedOverlayColor;
}
return inactivePressedOverlayColor;
}
return null;
}
const splashRadius = 24.0;
final themeData = ThemeData(
useMaterial3: false,
switchTheme: SwitchThemeData(
overlayColor: WidgetStateProperty.resolveWith(getOverlayColor),
splashRadius: splashRadius,
),
);
Widget buildSwitch({required bool active}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: Switch(value: active, onChanged: (_) {}),
),
);
}
await tester.pumpWidget(buildSwitch(active: false));
await tester.press(find.byType(Switch));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect()
..circle(color: inactivePressedOverlayColor, radius: splashRadius),
reason: 'Inactive pressed Switch should have overlay color: $inactivePressedOverlayColor',
);
await tester.pumpWidget(buildSwitch(active: true));
await tester.press(find.byType(Switch));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect()
..circle(color: activePressedOverlayColor, radius: splashRadius),
reason: 'Active pressed Switch should have overlay color: $activePressedOverlayColor',
);
});
testWidgets('Material3 - Switch theme overlay color resolves in active/pressed states', (
WidgetTester tester,
) async {
const activePressedOverlayColor = Color(0xFF000001);
const inactivePressedOverlayColor = Color(0xFF000002);
Color? getOverlayColor(Set<WidgetState> states) {
if (states.contains(WidgetState.pressed)) {
if (states.contains(WidgetState.selected)) {
return activePressedOverlayColor;
}
return inactivePressedOverlayColor;
}
return null;
}
const splashRadius = 24.0;
final themeData = ThemeData(
switchTheme: SwitchThemeData(
overlayColor: WidgetStateProperty.resolveWith(getOverlayColor),
splashRadius: splashRadius,
),
);
Widget buildSwitch({required bool active}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: Switch(value: active, onChanged: (_) {}),
),
);
}
await tester.pumpWidget(buildSwitch(active: false));
await tester.press(find.byType(Switch));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
(paints
..rrect()
..rrect())
..circle(color: inactivePressedOverlayColor, radius: splashRadius),
reason: 'Inactive pressed Switch should have overlay color: $inactivePressedOverlayColor',
);
await tester.pumpWidget(buildSwitch(active: true));
await tester.press(find.byType(Switch));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect()
..circle(color: activePressedOverlayColor, radius: splashRadius),
reason: 'Active pressed Switch should have overlay color: $activePressedOverlayColor',
);
});
testWidgets('Material2 - Local SwitchTheme can override global SwitchTheme', (
WidgetTester tester,
) async {
const globalThemeThumbColor = Color(0xfffffff1);
const globalThemeTrackColor = Color(0xfffffff2);
const globalThemeOutlineColor = Color(0xfffffff3);
const globalThemeOutlineWidth = 6.0;
const localThemeThumbColor = Color(0xffff0000);
const localThemeTrackColor = Color(0xffff0000);
const localThemeOutlineColor = Color(0xffff0000);
const localThemeOutlineWidth = 4.0;
final themeData = ThemeData(
useMaterial3: false,
switchTheme: const SwitchThemeData(
thumbColor: MaterialStatePropertyAll<Color>(globalThemeThumbColor),
trackColor: MaterialStatePropertyAll<Color>(globalThemeTrackColor),
trackOutlineColor: MaterialStatePropertyAll<Color>(globalThemeOutlineColor),
trackOutlineWidth: MaterialStatePropertyAll<double>(globalThemeOutlineWidth),
),
);
Widget buildSwitch({bool selected = false, bool autofocus = false}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: SwitchTheme(
data: const SwitchThemeData(
thumbColor: MaterialStatePropertyAll<Color>(localThemeThumbColor),
trackColor: MaterialStatePropertyAll<Color>(localThemeTrackColor),
trackOutlineColor: MaterialStatePropertyAll<Color>(localThemeOutlineColor),
trackOutlineWidth: MaterialStatePropertyAll<double>(localThemeOutlineWidth),
),
child: Switch(value: selected, onChanged: (bool value) {}, autofocus: autofocus),
),
),
);
}
await tester.pumpWidget(buildSwitch(selected: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: localThemeTrackColor)
..rrect(color: localThemeOutlineColor, strokeWidth: localThemeOutlineWidth)
..rrect()
..rrect()
..rrect()
..rrect(color: localThemeThumbColor),
);
});
testWidgets('Material3 - Local SwitchTheme can override global SwitchTheme', (
WidgetTester tester,
) async {
const globalThemeThumbColor = Color(0xfffffff1);
const globalThemeTrackColor = Color(0xfffffff2);
const globalThemeOutlineColor = Color(0xfffffff3);
const globalThemeOutlineWidth = 6.0;
const localThemeThumbColor = Color(0xffff0000);
const localThemeTrackColor = Color(0xffff0000);
const localThemeOutlineColor = Color(0xffff0000);
const localThemeOutlineWidth = 4.0;
final themeData = ThemeData(
switchTheme: const SwitchThemeData(
thumbColor: MaterialStatePropertyAll<Color>(globalThemeThumbColor),
trackColor: MaterialStatePropertyAll<Color>(globalThemeTrackColor),
trackOutlineColor: MaterialStatePropertyAll<Color>(globalThemeOutlineColor),
trackOutlineWidth: MaterialStatePropertyAll<double>(globalThemeOutlineWidth),
),
);
Widget buildSwitch({bool selected = false, bool autofocus = false}) {
return MaterialApp(
theme: themeData,
home: Scaffold(
body: SwitchTheme(
data: const SwitchThemeData(
thumbColor: MaterialStatePropertyAll<Color>(localThemeThumbColor),
trackColor: MaterialStatePropertyAll<Color>(localThemeTrackColor),
trackOutlineColor: MaterialStatePropertyAll<Color>(localThemeOutlineColor),
trackOutlineWidth: MaterialStatePropertyAll<double>(localThemeOutlineWidth),
),
child: Switch(value: selected, onChanged: (bool value) {}, autofocus: autofocus),
),
),
);
}
await tester.pumpWidget(buildSwitch(selected: true));
await tester.pumpAndSettle();
expect(
_getSwitchMaterial(tester),
paints
..rrect(color: localThemeTrackColor)
..rrect(color: localThemeOutlineColor, strokeWidth: localThemeOutlineWidth)
..rrect(color: localThemeThumbColor),
);
});
testWidgets('SwitchTheme padding is respected', (WidgetTester tester) async {
Widget buildSwitch({EdgeInsets? padding}) {
return MaterialApp(
theme: ThemeData(switchTheme: SwitchThemeData(padding: padding)),
home: Scaffold(
body: Center(child: Switch(value: true, onChanged: (_) {})),
),
);
}
await tester.pumpWidget(buildSwitch());
expect(tester.getSize(find.byType(Switch)), const Size(60.0, 48.0));
await tester.pumpWidget(buildSwitch(padding: EdgeInsets.zero));
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(Switch)), const Size(52.0, 48.0));
await tester.pumpWidget(buildSwitch(padding: const EdgeInsets.all(4.0)));
await tester.pumpAndSettle();
expect(tester.getSize(find.byType(Switch)), const Size(60.0, 56.0));
});
}
Future<void> _pointGestureToSwitch(WidgetTester tester) async {
final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse);
await gesture.addPointer();
addTearDown(gesture.removePointer);
await gesture.moveTo(tester.getCenter(find.byType(Switch)));
}
MaterialInkController? _getSwitchMaterial(WidgetTester tester) {
return Material.of(tester.element(find.byType(Switch)));
}