| // Copyright 2017 The Chromium 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/cupertino.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:flutter/gestures.dart'; |
| import 'package:flutter/services.dart'; |
| import 'package:flutter/foundation.dart'; |
| |
| void main() { |
| testWidgets('Switch can toggle on tap', (WidgetTester tester) async { |
| final Key switchKey = UniqueKey(); |
| bool value = false; |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Center( |
| child: CupertinoSwitch( |
| key: switchKey, |
| value: value, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: (bool newValue) { |
| setState(() { |
| value = newValue; |
| }); |
| }, |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| expect(value, isFalse); |
| await tester.tap(find.byKey(switchKey)); |
| expect(value, isTrue); |
| }); |
| |
| testWidgets('Switch emits light haptic vibration on tap', (WidgetTester tester) async { |
| debugDefaultTargetPlatformOverride = TargetPlatform.iOS; |
| final Key switchKey = UniqueKey(); |
| bool value = false; |
| |
| final List<MethodCall> log = <MethodCall>[]; |
| |
| SystemChannels.platform.setMockMethodCallHandler((MethodCall methodCall) async { |
| log.add(methodCall); |
| }); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Center( |
| child: CupertinoSwitch( |
| key: switchKey, |
| value: value, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: (bool newValue) { |
| setState(() { |
| value = newValue; |
| }); |
| }, |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| await tester.tap(find.byKey(switchKey)); |
| await tester.pump(); |
| |
| expect(log, hasLength(1)); |
| expect(log.single, isMethodCall('HapticFeedback.vibrate', arguments: 'HapticFeedbackType.lightImpact')); |
| debugDefaultTargetPlatformOverride = null; |
| }); |
| |
| testWidgets('Using other widgets that rebuild the switch will not cause vibrations', (WidgetTester tester) async { |
| debugDefaultTargetPlatformOverride = TargetPlatform.iOS; |
| final Key switchKey = UniqueKey(); |
| final Key switchKey2 = UniqueKey(); |
| bool value = false; |
| bool value2 = false; |
| final List<MethodCall> log = <MethodCall>[]; |
| |
| SystemChannels.platform.setMockMethodCallHandler((MethodCall methodCall) async { |
| log.add(methodCall); |
| }); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Center( |
| child: Column( |
| children: <Widget>[ |
| CupertinoSwitch( |
| key: switchKey, |
| value: value, |
| onChanged: (bool newValue) { |
| setState(() { |
| value = newValue; |
| }); |
| }, |
| ), |
| CupertinoSwitch( |
| key: switchKey2, |
| value: value2, |
| onChanged: (bool newValue) { |
| setState(() { |
| value2 = newValue; |
| }); |
| }, |
| ), |
| ], |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| await tester.tap(find.byKey(switchKey)); |
| await tester.pump(); |
| |
| expect(log, hasLength(1)); |
| expect(log[0], isMethodCall('HapticFeedback.vibrate', arguments: 'HapticFeedbackType.lightImpact')); |
| |
| await tester.tap(find.byKey(switchKey2)); |
| await tester.pump(); |
| |
| expect(log, hasLength(2)); |
| expect(log[1], isMethodCall('HapticFeedback.vibrate', arguments: 'HapticFeedbackType.lightImpact')); |
| |
| await tester.tap(find.byKey(switchKey)); |
| await tester.pump(); |
| |
| expect(log, hasLength(3)); |
| expect(log[2], isMethodCall('HapticFeedback.vibrate', arguments: 'HapticFeedbackType.lightImpact')); |
| |
| await tester.tap(find.byKey(switchKey2)); |
| await tester.pump(); |
| |
| expect(log, hasLength(4)); |
| expect(log[3], isMethodCall('HapticFeedback.vibrate', arguments: 'HapticFeedbackType.lightImpact')); |
| debugDefaultTargetPlatformOverride = null; |
| }); |
| |
| testWidgets('Haptic vibration triggers on drag', (WidgetTester tester) async { |
| debugDefaultTargetPlatformOverride = TargetPlatform.iOS; |
| bool value = false; |
| final List<MethodCall> log = <MethodCall>[]; |
| |
| SystemChannels.platform.setMockMethodCallHandler((MethodCall methodCall) async { |
| log.add(methodCall); |
| }); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Center( |
| child: CupertinoSwitch( |
| value: value, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: (bool newValue) { |
| setState(() { |
| value = newValue; |
| }); |
| }, |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(30.0, 0.0)); |
| expect(value, isTrue); |
| await tester.pump(); |
| |
| expect(log, hasLength(1)); |
| expect(log[0], isMethodCall('HapticFeedback.vibrate', arguments: 'HapticFeedbackType.lightImpact')); |
| debugDefaultTargetPlatformOverride = null; |
| }); |
| |
| testWidgets('No haptic vibration triggers from a programmatic value change', (WidgetTester tester) async { |
| debugDefaultTargetPlatformOverride = TargetPlatform.iOS; |
| final Key switchKey = UniqueKey(); |
| bool value = false; |
| |
| final List<MethodCall> log = <MethodCall>[]; |
| SystemChannels.platform.setMockMethodCallHandler((MethodCall methodCall) async { |
| log.add(methodCall); |
| }); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Center( |
| child: Column( |
| children: <Widget>[ |
| CupertinoButton( |
| child: const Text('Button'), |
| onPressed: () { |
| setState(() { |
| value = !value; |
| }); |
| }, |
| ), |
| CupertinoSwitch( |
| key: switchKey, |
| value: value, |
| onChanged: (bool newValue) { |
| setState(() { |
| value = newValue; |
| }); |
| }, |
| ), |
| ], |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| expect(value, isFalse); |
| |
| await tester.tap(find.byType(CupertinoButton)); |
| expect(value, isTrue); |
| await tester.pump(); |
| |
| expect(log, hasLength(0)); |
| debugDefaultTargetPlatformOverride = null; |
| }); |
| |
| testWidgets('Switch can drag (LTR)', (WidgetTester tester) async { |
| bool value = false; |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Center( |
| child: CupertinoSwitch( |
| value: value, |
| onChanged: (bool newValue) { |
| setState(() { |
| value = newValue; |
| }); |
| }, |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| expect(value, isFalse); |
| |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(-48.0, 0.0)); |
| |
| expect(value, isFalse); |
| |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(48.0, 0.0)); |
| |
| expect(value, isTrue); |
| |
| await tester.pump(); |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(48.0, 0.0)); |
| |
| expect(value, isTrue); |
| |
| await tester.pump(); |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(-48.0, 0.0)); |
| |
| expect(value, isFalse); |
| }); |
| |
| testWidgets('Switch can drag with dragStartBehavior', (WidgetTester tester) async { |
| bool value = false; |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Center( |
| child: CupertinoSwitch( |
| value: value, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: (bool newValue) { |
| setState(() { |
| value = newValue; |
| }); |
| }, |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| expect(value, isFalse); |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(-30.0, 0.0)); |
| expect(value, isFalse); |
| |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(30.0, 0.0)); |
| expect(value, isTrue); |
| await tester.pump(); |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(30.0, 0.0)); |
| expect(value, isTrue); |
| await tester.pump(); |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(-30.0, 0.0)); |
| expect(value, isFalse); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Center( |
| child: CupertinoSwitch( |
| value: value, |
| dragStartBehavior: DragStartBehavior.start, |
| onChanged: (bool newValue) { |
| setState(() { |
| value = newValue; |
| }); |
| }, |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| await tester.pumpAndSettle(); |
| final Rect switchRect = tester.getRect(find.byType(CupertinoSwitch)); |
| |
| TestGesture gesture = await tester.startGesture(switchRect.center); |
| // We have to execute the drag in two frames because the first update will |
| // just set the start position. |
| await gesture.moveBy(const Offset(20.0, 0.0)); |
| await gesture.moveBy(const Offset(20.0, 0.0)); |
| expect(value, isTrue); |
| await gesture.up(); |
| await tester.pump(); |
| |
| gesture = await tester.startGesture(switchRect.center); |
| await gesture.moveBy(const Offset(20.0, 0.0)); |
| await gesture.moveBy(const Offset(20.0, 0.0)); |
| expect(value, isTrue); |
| await gesture.up(); |
| await tester.pump(); |
| |
| gesture = await tester.startGesture(switchRect.center); |
| await gesture.moveBy(const Offset(-20.0, 0.0)); |
| await gesture.moveBy(const Offset(-20.0, 0.0)); |
| expect(value, isFalse); |
| }); |
| |
| testWidgets('Switch can drag (RTL)', (WidgetTester tester) async { |
| bool value = false; |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.rtl, |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Center( |
| child: CupertinoSwitch( |
| value: value, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: (bool newValue) { |
| setState(() { |
| value = newValue; |
| }); |
| }, |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| expect(value, isFalse); |
| |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(30.0, 0.0)); |
| |
| expect(value, isFalse); |
| |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(-30.0, 0.0)); |
| |
| expect(value, isTrue); |
| |
| await tester.pump(); |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(-30.0, 0.0)); |
| |
| expect(value, isTrue); |
| |
| await tester.pump(); |
| await tester.drag(find.byType(CupertinoSwitch), const Offset(30.0, 0.0)); |
| |
| expect(value, isFalse); |
| }); |
| |
| testWidgets('Switch is translucent when disabled', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: CupertinoSwitch( |
| value: false, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: null, |
| ), |
| ) |
| ), |
| ); |
| |
| expect(find.byType(Opacity), findsOneWidget); |
| expect(tester.widget<Opacity>(find.byType(Opacity).first).opacity, 0.5); |
| }); |
| |
| testWidgets('Switch is opaque when enabled', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: CupertinoSwitch( |
| value: false, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: (bool newValue) {}, |
| ), |
| ) |
| ), |
| ); |
| |
| expect(find.byType(Opacity), findsOneWidget); |
| expect(tester.widget<Opacity>(find.byType(Opacity).first).opacity, 1.0); |
| }); |
| |
| testWidgets('Switch turns translucent after becoming disabled', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: CupertinoSwitch( |
| value: false, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: (bool newValue) {}, |
| ), |
| ) |
| ), |
| ); |
| |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: CupertinoSwitch( |
| value: false, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: null, |
| ), |
| ) |
| ), |
| ); |
| |
| expect(find.byType(Opacity), findsOneWidget); |
| expect(tester.widget<Opacity>(find.byType(Opacity).first).opacity, 0.5); |
| }); |
| |
| testWidgets('Switch turns opaque after becoming enabled', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: CupertinoSwitch( |
| value: false, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: null, |
| ), |
| ) |
| ), |
| ); |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center( |
| child: CupertinoSwitch( |
| value: false, |
| dragStartBehavior: DragStartBehavior.down, |
| onChanged: (bool newValue) {}, |
| ), |
| ) |
| ), |
| ); |
| |
| expect(find.byType(Opacity), findsOneWidget); |
| expect(tester.widget<Opacity>(find.byType(Opacity).first).opacity, 1.0); |
| }); |
| |
| } |