| // 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_test/flutter_test.dart'; |
| import 'package:flutter/rendering.dart'; |
| |
| import '../rendering/mock_canvas.dart'; |
| import '../widgets/semantics_tester.dart'; |
| |
| void main() { |
| testWidgets('OutlinedButton defaults', (WidgetTester tester) async { |
| final Finder rawButtonMaterial = find.descendant( |
| of: find.byType(OutlinedButton), |
| matching: find.byType(Material), |
| ); |
| |
| const ColorScheme colorScheme = ColorScheme.light(); |
| |
| // Enabled OutlinedButton |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: colorScheme), |
| home: Center( |
| child: OutlinedButton( |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| Material material = tester.widget<Material>(rawButtonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, Colors.transparent); |
| expect(material.elevation, 0.0); |
| expect(material.shadowColor, const Color(0xff000000)); |
| expect(material.shape, RoundedRectangleBorder( |
| side: BorderSide( |
| width: 1, |
| color: colorScheme.onSurface.withOpacity(0.12), |
| ), |
| borderRadius: BorderRadius.circular(4.0), |
| )); |
| expect(material.textStyle!.color, colorScheme.primary); |
| expect(material.textStyle!.fontFamily, 'Roboto'); |
| expect(material.textStyle!.fontSize, 14); |
| expect(material.textStyle!.fontWeight, FontWeight.w500); |
| expect(material.type, MaterialType.button); |
| |
| final Offset center = tester.getCenter(find.byType(OutlinedButton)); |
| final TestGesture gesture = await tester.startGesture(center); |
| await tester.pump(); // start the splash animation |
| await tester.pump(const Duration(milliseconds: 100)); // splash is underway |
| final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..circle(color: colorScheme.primary.withAlpha(0x1f))); // splash color is primary(0.12) |
| |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| // No change vs enabled and not pressed. |
| material = tester.widget<Material>(rawButtonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, Colors.transparent); |
| expect(material.elevation, 0.0); |
| expect(material.shadowColor, const Color(0xff000000)); |
| expect(material.shape, RoundedRectangleBorder( |
| side: BorderSide( |
| width: 1, |
| color: colorScheme.onSurface.withOpacity(0.12), |
| ), |
| borderRadius: BorderRadius.circular(4.0), |
| )); |
| expect(material.textStyle!.color, colorScheme.primary); |
| expect(material.textStyle!.fontFamily, 'Roboto'); |
| expect(material.textStyle!.fontSize, 14); |
| expect(material.textStyle!.fontWeight, FontWeight.w500); |
| expect(material.type, MaterialType.button); |
| |
| // Disabled OutlinedButton |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: colorScheme), |
| home: const Center( |
| child: OutlinedButton( |
| onPressed: null, |
| child: Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| material = tester.widget<Material>(rawButtonMaterial); |
| expect(material.animationDuration, const Duration(milliseconds: 200)); |
| expect(material.borderOnForeground, true); |
| expect(material.borderRadius, null); |
| expect(material.clipBehavior, Clip.none); |
| expect(material.color, Colors.transparent); |
| expect(material.elevation, 0.0); |
| expect(material.shadowColor, const Color(0xff000000)); |
| expect(material.shape, RoundedRectangleBorder( |
| side: BorderSide( |
| width: 1, |
| color: colorScheme.onSurface.withOpacity(0.12), |
| ), |
| borderRadius: BorderRadius.circular(4.0), |
| )); |
| expect(material.textStyle!.color, colorScheme.onSurface.withOpacity(0.38)); |
| expect(material.textStyle!.fontFamily, 'Roboto'); |
| expect(material.textStyle!.fontSize, 14); |
| expect(material.textStyle!.fontWeight, FontWeight.w500); |
| expect(material.type, MaterialType.button); |
| }); |
| |
| testWidgets('Does OutlinedButton work with hover', (WidgetTester tester) async { |
| const Color hoverColor = Color(0xff001122); |
| |
| Color? getOverlayColor(Set<MaterialState> states) { |
| return states.contains(MaterialState.hovered) ? hoverColor : null; |
| } |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: OutlinedButton( |
| style: ButtonStyle( |
| overlayColor: MaterialStateProperty.resolveWith<Color?>(getOverlayColor), |
| ), |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); |
| await gesture.addPointer(); |
| await gesture.moveTo(tester.getCenter(find.byType(OutlinedButton))); |
| await tester.pumpAndSettle(); |
| final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: hoverColor)); |
| |
| gesture.removePointer(); |
| }); |
| |
| testWidgets('Does OutlinedButton work with focus', (WidgetTester tester) async { |
| const Color focusColor = Color(0xff001122); |
| |
| Color? getOverlayColor(Set<MaterialState> states) { |
| return states.contains(MaterialState.focused) ? focusColor : null; |
| } |
| |
| final FocusNode focusNode = FocusNode(debugLabel: 'OutlinedButton Node'); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: OutlinedButton( |
| style: ButtonStyle( |
| overlayColor: MaterialStateProperty.resolveWith<Color?>(getOverlayColor), |
| ), |
| focusNode: focusNode, |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| FocusManager.instance.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| |
| final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: focusColor)); |
| }); |
| |
| testWidgets('Does OutlinedButton work with autofocus', (WidgetTester tester) async { |
| const Color focusColor = Color(0xff001122); |
| |
| Color? getOverlayColor(Set<MaterialState> states) { |
| return states.contains(MaterialState.focused) ? focusColor : null; |
| } |
| |
| final FocusNode focusNode = FocusNode(debugLabel: 'OutlinedButton Node'); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: OutlinedButton( |
| autofocus: true, |
| style: ButtonStyle( |
| overlayColor: MaterialStateProperty.resolveWith<Color?>(getOverlayColor), |
| ), |
| focusNode: focusNode, |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| FocusManager.instance.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; |
| await tester.pumpAndSettle(); |
| |
| final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: focusColor)); |
| }); |
| |
| testWidgets('Default OutlinedButton meets a11y contrast guidelines', (WidgetTester tester) async { |
| final FocusNode focusNode = FocusNode(); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: const ColorScheme.light()), |
| home: Scaffold( |
| body: Center( |
| child: OutlinedButton( |
| child: const Text('OutlinedButton'), |
| onPressed: () {}, |
| focusNode: focusNode, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // Default, not disabled. |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| |
| // Focused. |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| |
| // Hovered. |
| final Offset center = tester.getCenter(find.byType(OutlinedButton)); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| |
| // Highlighted (pressed). |
| await gesture.down(center); |
| await tester.pump(); // Start the splash and highlight animations. |
| await tester.pump(const Duration(milliseconds: 800)); // Wait for splash and highlight to be well under way. |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| await gesture.removePointer(); |
| }, |
| skip: isBrowser, // https://github.com/flutter/flutter/issues/44115 |
| semanticsEnabled: true, |
| ); |
| |
| testWidgets('OutlinedButton with colored theme meets a11y contrast guidelines', (WidgetTester tester) async { |
| final FocusNode focusNode = FocusNode(); |
| |
| Color getTextColor(Set<MaterialState> states) { |
| final Set<MaterialState> interactiveStates = <MaterialState>{ |
| MaterialState.pressed, |
| MaterialState.hovered, |
| MaterialState.focused, |
| }; |
| if (states.any(interactiveStates.contains)) { |
| return Colors.blue[900]!; |
| } |
| return Colors.blue[800]!; |
| } |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: ColorScheme.fromSwatch(primarySwatch: Colors.blue)), |
| home: Scaffold( |
| backgroundColor: Colors.white, |
| body: Center( |
| child: OutlinedButtonTheme( |
| data: OutlinedButtonThemeData( |
| style: ButtonStyle( |
| foregroundColor: MaterialStateProperty.resolveWith<Color>(getTextColor), |
| ), |
| ), |
| child: Builder( |
| builder: (BuildContext context) { |
| return OutlinedButton( |
| child: const Text('OutlinedButton'), |
| onPressed: () {}, |
| focusNode: focusNode, |
| ); |
| }, |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // Default, not disabled. |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| |
| // Focused. |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| |
| // Hovered. |
| final Offset center = tester.getCenter(find.byType(OutlinedButton)); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| addTearDown(gesture.removePointer); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| |
| // Highlighted (pressed). |
| await gesture.down(center); |
| await tester.pump(); // Start the splash and highlight animations. |
| await tester.pump(const Duration(milliseconds: 800)); // Wait for splash and highlight to be well under way. |
| await expectLater(tester, meetsGuideline(textContrastGuideline)); |
| }, |
| skip: isBrowser, // https://github.com/flutter/flutter/issues/44115 |
| semanticsEnabled: true, |
| ); |
| |
| testWidgets('OutlinedButton uses stateful color for text color in different states', (WidgetTester tester) async { |
| final FocusNode focusNode = FocusNode(); |
| |
| const Color pressedColor = Color(0x00000001); |
| const Color hoverColor = Color(0x00000002); |
| const Color focusedColor = Color(0x00000003); |
| const Color defaultColor = Color(0x00000004); |
| |
| Color getTextColor(Set<MaterialState> states) { |
| if (states.contains(MaterialState.pressed)) { |
| return pressedColor; |
| } |
| if (states.contains(MaterialState.hovered)) { |
| return hoverColor; |
| } |
| if (states.contains(MaterialState.focused)) { |
| return focusedColor; |
| } |
| return defaultColor; |
| } |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: OutlinedButton( |
| style: ButtonStyle( |
| foregroundColor: MaterialStateProperty.resolveWith<Color>(getTextColor), |
| ), |
| onPressed: () {}, |
| focusNode: focusNode, |
| child: const Text('OutlinedButton'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| Color textColor() { |
| return tester.renderObject<RenderParagraph>(find.text('OutlinedButton')).text.style!.color!; |
| } |
| |
| // Default, not disabled. |
| expect(textColor(), equals(defaultColor)); |
| |
| // Focused. |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| expect(textColor(), focusedColor); |
| |
| // Hovered. |
| final Offset center = tester.getCenter(find.byType(OutlinedButton)); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| addTearDown(gesture.removePointer); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| expect(textColor(), hoverColor); |
| |
| // Highlighted (pressed). |
| await gesture.down(center); |
| await tester.pump(); // Start the splash and highlight animations. |
| await tester.pump(const Duration(milliseconds: 800)); // Wait for splash and highlight to be well under way. |
| expect(textColor(), pressedColor); |
| }); |
| |
| testWidgets('OutlinedButton uses stateful color for icon color in different states', (WidgetTester tester) async { |
| final FocusNode focusNode = FocusNode(); |
| final Key buttonKey = UniqueKey(); |
| |
| const Color pressedColor = Color(0x00000001); |
| const Color hoverColor = Color(0x00000002); |
| const Color focusedColor = Color(0x00000003); |
| const Color defaultColor = Color(0x00000004); |
| |
| Color getIconColor(Set<MaterialState> states) { |
| if (states.contains(MaterialState.pressed)) { |
| return pressedColor; |
| } |
| if (states.contains(MaterialState.hovered)) { |
| return hoverColor; |
| } |
| if (states.contains(MaterialState.focused)) { |
| return focusedColor; |
| } |
| return defaultColor; |
| } |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: OutlinedButton.icon( |
| key: buttonKey, |
| style: ButtonStyle( |
| foregroundColor: MaterialStateProperty.resolveWith<Color>(getIconColor), |
| ), |
| icon: const Icon(Icons.add), |
| label: const Text('OutlinedButton'), |
| onPressed: () {}, |
| focusNode: focusNode, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| Color iconColor() => _iconStyle(tester, Icons.add).color!; |
| // Default, not disabled. |
| expect(iconColor(), equals(defaultColor)); |
| |
| // Focused. |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| expect(iconColor(), focusedColor); |
| |
| // Hovered. |
| final Offset center = tester.getCenter(find.byKey(buttonKey)); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| addTearDown(gesture.removePointer); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| expect(iconColor(), hoverColor); |
| |
| // Highlighted (pressed). |
| await gesture.down(center); |
| await tester.pump(); // Start the splash and highlight animations. |
| await tester.pump(const Duration(milliseconds: 800)); // Wait for splash and highlight to be well under way. |
| expect(iconColor(), pressedColor); |
| }); |
| |
| testWidgets('OutlinedButton uses stateful color for border color in different states', (WidgetTester tester) async { |
| final FocusNode focusNode = FocusNode(); |
| |
| const Color pressedColor = Color(0x00000001); |
| const Color hoverColor = Color(0x00000002); |
| const Color focusedColor = Color(0x00000003); |
| const Color defaultColor = Color(0x00000004); |
| |
| BorderSide getBorderSide(Set<MaterialState> states) { |
| if (states.contains(MaterialState.pressed)) { |
| return const BorderSide(color: pressedColor, width: 1); |
| } |
| if (states.contains(MaterialState.hovered)) { |
| return const BorderSide(color: hoverColor, width: 1); |
| } |
| if (states.contains(MaterialState.focused)) { |
| return const BorderSide(color: focusedColor, width: 1); |
| } |
| return const BorderSide(color: defaultColor, width: 1); |
| } |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: OutlinedButton( |
| style: ButtonStyle( |
| side: MaterialStateProperty.resolveWith<BorderSide>(getBorderSide), |
| ), |
| onPressed: () {}, |
| focusNode: focusNode, |
| child: const Text('OutlinedButton'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder outlinedButton = find.byType(OutlinedButton); |
| |
| // Default, not disabled. |
| expect(outlinedButton, paints..drrect(color: defaultColor)); |
| |
| // Focused. |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| expect(outlinedButton, paints..drrect(color: focusedColor)); |
| |
| // Hovered. |
| final Offset center = tester.getCenter(find.byType(OutlinedButton)); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| addTearDown(gesture.removePointer); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| expect(outlinedButton, paints..drrect(color: hoverColor)); |
| |
| // Highlighted (pressed). |
| await gesture.down(center); |
| await tester.pumpAndSettle(); |
| expect(outlinedButton, paints..drrect(color: pressedColor)); |
| }); |
| |
| testWidgets('OutlinedButton onPressed and onLongPress callbacks are correctly called when non-null', (WidgetTester tester) async { |
| |
| bool wasPressed; |
| Finder outlinedButton; |
| |
| Widget buildFrame({ VoidCallback? onPressed, VoidCallback? onLongPress }) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: OutlinedButton( |
| child: const Text('button'), |
| onPressed: onPressed, |
| onLongPress: onLongPress, |
| ), |
| ); |
| } |
| |
| // onPressed not null, onLongPress null. |
| wasPressed = false; |
| await tester.pumpWidget( |
| buildFrame(onPressed: () { wasPressed = true; }, onLongPress: null), |
| ); |
| outlinedButton = find.byType(OutlinedButton); |
| expect(tester.widget<OutlinedButton>(outlinedButton).enabled, true); |
| await tester.tap(outlinedButton); |
| expect(wasPressed, true); |
| |
| // onPressed null, onLongPress not null. |
| wasPressed = false; |
| await tester.pumpWidget( |
| buildFrame(onPressed: null, onLongPress: () { wasPressed = true; }), |
| ); |
| outlinedButton = find.byType(OutlinedButton); |
| expect(tester.widget<OutlinedButton>(outlinedButton).enabled, true); |
| await tester.longPress(outlinedButton); |
| expect(wasPressed, true); |
| |
| // onPressed null, onLongPress null. |
| await tester.pumpWidget( |
| buildFrame(onPressed: null, onLongPress: null), |
| ); |
| outlinedButton = find.byType(OutlinedButton); |
| expect(tester.widget<OutlinedButton>(outlinedButton).enabled, false); |
| }); |
| |
| testWidgets("Outline button doesn't crash if disabled during a gesture", (WidgetTester tester) async { |
| Widget buildFrame(VoidCallback? onPressed) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: Theme( |
| data: ThemeData(), |
| child: Center( |
| child: OutlinedButton(onPressed: onPressed, child: const Text('button')), |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget(buildFrame(() {})); |
| await tester.press(find.byType(OutlinedButton)); |
| await tester.pumpAndSettle(); |
| await tester.pumpWidget(buildFrame(null)); |
| await tester.pumpAndSettle(); |
| }); |
| |
| testWidgets('OutlinedButton shape and border component overrides', (WidgetTester tester) async { |
| const Color fillColor = Color(0xFF00FF00); |
| const BorderSide disabledBorderSide = BorderSide(color: Color(0xFFFF0000), width: 3); |
| const BorderSide enabledBorderSide = BorderSide(color: Color(0xFFFF00FF), width: 4); |
| const BorderSide pressedBorderSide = BorderSide(color: Color(0xFF0000FF), width: 5); |
| |
| Widget buildFrame({ VoidCallback? onPressed }) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: Theme( |
| data: ThemeData(materialTapTargetSize: MaterialTapTargetSize.shrinkWrap), |
| child: Container( |
| alignment: Alignment.topLeft, |
| child: OutlinedButton( |
| style: OutlinedButton.styleFrom( |
| shape: const RoundedRectangleBorder(), // default border radius is 0 |
| backgroundColor: fillColor, |
| ).copyWith( |
| side: MaterialStateProperty.resolveWith<BorderSide>((Set<MaterialState> states) { |
| if (states.contains(MaterialState.disabled)) |
| return disabledBorderSide; |
| if (states.contains(MaterialState.pressed)) |
| return pressedBorderSide; |
| return enabledBorderSide; |
| }), |
| ), |
| clipBehavior: Clip.antiAlias, |
| onPressed: onPressed, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| // 116 = 16 + 'button'.length * 14 + 16, horizontal padding = 16 |
| const Rect clipRect = Rect.fromLTRB(0.0, 0.0, 116.0, 36.0); |
| final Path clipPath = Path()..addRect(clipRect); |
| final Finder outlinedButton = find.byType(OutlinedButton); |
| |
| BorderSide getBorderSide() { |
| final OutlinedBorder border = tester.widget<Material>( |
| find.descendant(of: outlinedButton, matching: find.byType(Material)) |
| ).shape! as OutlinedBorder; |
| return border.side; |
| } |
| |
| // Pump a button with a null onPressed callback to make it disabled. |
| await tester.pumpWidget( |
| buildFrame(onPressed: null), |
| ); |
| |
| // Expect that the button is disabled and painted with the disabled border color. |
| expect(tester.widget<OutlinedButton>(outlinedButton).enabled, false); |
| expect(getBorderSide(), disabledBorderSide); |
| _checkPhysicalLayer( |
| tester.element(outlinedButton), |
| fillColor, |
| clipPath: clipPath, |
| clipRect: clipRect, |
| ); |
| |
| // Pump a new button with a no-op onPressed callback to make it enabled. |
| await tester.pumpWidget( |
| buildFrame(onPressed: () {}), |
| ); |
| |
| // Wait for the border color to change from disabled to enabled. |
| await tester.pumpAndSettle(); |
| expect(getBorderSide(), enabledBorderSide); |
| |
| final Offset center = tester.getCenter(outlinedButton); |
| final TestGesture gesture = await tester.startGesture(center); |
| await tester.pump(); // start gesture |
| |
| // Wait for the border's color to change to pressed |
| await tester.pump(const Duration(milliseconds: 200)); |
| expect(getBorderSide(), pressedBorderSide); |
| _checkPhysicalLayer( |
| tester.element(outlinedButton), |
| fillColor, |
| clipPath: clipPath, |
| clipRect: clipRect, |
| ); |
| |
| // Tap gesture completes, button returns to its initial configuration. |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| expect(getBorderSide(), enabledBorderSide); |
| _checkPhysicalLayer( |
| tester.element(outlinedButton), |
| fillColor, |
| clipPath: clipPath, |
| clipRect: clipRect, |
| ); |
| }); |
| |
| testWidgets('OutlinedButton has no clip by default', (WidgetTester tester) async { |
| final GlobalKey buttonKey = GlobalKey(); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Material( |
| child: Center( |
| child: OutlinedButton( |
| key: buttonKey, |
| onPressed: () {}, |
| child: const Text('ABC'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect( |
| tester.renderObject(find.byKey(buttonKey)), |
| paintsExactlyCountTimes(#clipPath, 0), |
| ); |
| }); |
| |
| |
| testWidgets('OutlinedButton contributes semantics', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Material( |
| child: Center( |
| child: OutlinedButton( |
| style: ButtonStyle( |
| // Specifying minimumSize to mimic the original minimumSize for |
| // RaisedButton so that the corresponding button size matches |
| // the original version of this test. |
| minimumSize: MaterialStateProperty.all<Size>(const Size(88, 36)), |
| ), |
| onPressed: () {}, |
| child: const Text('ABC'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(semantics, hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics.rootChild( |
| actions: <SemanticsAction>[ |
| SemanticsAction.tap, |
| ], |
| label: 'ABC', |
| rect: const Rect.fromLTRB(0.0, 0.0, 88.0, 48.0), |
| transform: Matrix4.translationValues(356.0, 276.0, 0.0), |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.isButton, |
| SemanticsFlag.isEnabled, |
| SemanticsFlag.isFocusable, |
| ], |
| ), |
| ], |
| ), |
| ignoreId: true, |
| )); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('OutlinedButton scales textScaleFactor', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Material( |
| child: MediaQuery( |
| data: const MediaQueryData(textScaleFactor: 1.0), |
| child: Center( |
| child: OutlinedButton( |
| style: ButtonStyle( |
| // Specifying minimumSize to mimic the original minimumSize for |
| // RaisedButton so that the corresponding button size matches |
| // the original version of this test. |
| minimumSize: MaterialStateProperty.all<Size>(const Size(88, 36)), |
| ), |
| onPressed: () {}, |
| child: const Text('ABC'), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(tester.getSize(find.byType(OutlinedButton)), equals(const Size(88.0, 48.0))); |
| expect(tester.getSize(find.byType(Text)), equals(const Size(42.0, 14.0))); |
| |
| // textScaleFactor expands text, but not button. |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Material( |
| child: MediaQuery( |
| data: const MediaQueryData(textScaleFactor: 1.3), |
| child: Center( |
| child: OutlinedButton( |
| style: ButtonStyle( |
| // Specifying minimumSize to mimic the original minimumSize for |
| // RaisedButton so that the corresponding button size matches |
| // the original version of this test. |
| minimumSize: MaterialStateProperty.all<Size>(const Size(88, 36)), |
| ), |
| onPressed: () {}, |
| child: const Text('ABC'), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(tester.getSize(find.byType(OutlinedButton)), equals(const Size(88.0, 48.0))); |
| // Scaled text rendering is different on Linux and Mac by one pixel. |
| // TODO(gspencergoog): Figure out why this is, and fix it. https://github.com/flutter/flutter/issues/12357 |
| expect(tester.getSize(find.byType(Text)).width, isIn(<double>[54.0, 55.0])); |
| expect(tester.getSize(find.byType(Text)).height, isIn(<double>[18.0, 19.0])); |
| |
| // Set text scale large enough to expand text and button. |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Material( |
| child: MediaQuery( |
| data: const MediaQueryData(textScaleFactor: 3.0), |
| child: Center( |
| child: OutlinedButton( |
| onPressed: () {}, |
| child: const Text('ABC'), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // Scaled text rendering is different on Linux and Mac by one pixel. |
| // TODO(gspencergoog): Figure out why this is, and fix it. https://github.com/flutter/flutter/issues/12357 |
| expect(tester.getSize(find.byType(OutlinedButton)).width, isIn(<double>[133.0, 134.0])); |
| expect(tester.getSize(find.byType(OutlinedButton)).height, equals(48.0)); |
| expect(tester.getSize(find.byType(Text)).width, isIn(<double>[126.0, 127.0])); |
| expect(tester.getSize(find.byType(Text)).height, equals(42.0)); |
| }); |
| |
| |
| testWidgets('OutlinedButton onPressed and onLongPress callbacks are distinctly recognized', (WidgetTester tester) async { |
| bool didPressButton = false; |
| bool didLongPressButton = false; |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: OutlinedButton( |
| onPressed: () { |
| didPressButton = true; |
| }, |
| onLongPress: () { |
| didLongPressButton = true; |
| }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| final Finder outlinedButton = find.byType(OutlinedButton); |
| expect(tester.widget<OutlinedButton>(outlinedButton).enabled, true); |
| |
| expect(didPressButton, isFalse); |
| await tester.tap(outlinedButton); |
| expect(didPressButton, isTrue); |
| |
| expect(didLongPressButton, isFalse); |
| await tester.longPress(outlinedButton); |
| expect(didLongPressButton, isTrue); |
| }); |
| |
| testWidgets('OutlinedButton responds to density changes.', (WidgetTester tester) async { |
| const Key key = Key('test'); |
| const Key childKey = Key('test child'); |
| |
| Future<void> buildTest(VisualDensity visualDensity, {bool useText = false}) async { |
| return await tester.pumpWidget( |
| MaterialApp( |
| home: Directionality( |
| textDirection: TextDirection.rtl, |
| child: Center( |
| child: OutlinedButton( |
| style: ButtonStyle(visualDensity: visualDensity), |
| key: key, |
| onPressed: () {}, |
| child: useText |
| ? const Text('Text', key: childKey) |
| : Container(key: childKey, width: 100, height: 100, color: const Color(0xffff0000)), |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| await buildTest(const VisualDensity()); |
| final RenderBox box = tester.renderObject(find.byKey(key)); |
| Rect childRect = tester.getRect(find.byKey(childKey)); |
| await tester.pumpAndSettle(); |
| expect(box.size, equals(const Size(132, 100))); |
| expect(childRect, equals(const Rect.fromLTRB(350, 250, 450, 350))); |
| |
| await buildTest(const VisualDensity(horizontal: 3.0, vertical: 3.0)); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(156, 124))); |
| expect(childRect, equals(const Rect.fromLTRB(350, 250, 450, 350))); |
| |
| await buildTest(const VisualDensity(horizontal: -3.0, vertical: -3.0)); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(108, 100))); |
| expect(childRect, equals(const Rect.fromLTRB(350, 250, 450, 350))); |
| |
| await buildTest(const VisualDensity(), useText: true); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(88, 48))); |
| expect(childRect, equals(const Rect.fromLTRB(372.0, 293.0, 428.0, 307.0))); |
| |
| await buildTest(const VisualDensity(horizontal: 3.0, vertical: 3.0), useText: true); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(112, 60))); |
| expect(childRect, equals(const Rect.fromLTRB(372.0, 293.0, 428.0, 307.0))); |
| |
| await buildTest(const VisualDensity(horizontal: -3.0, vertical: -3.0), useText: true); |
| await tester.pumpAndSettle(); |
| childRect = tester.getRect(find.byKey(childKey)); |
| expect(box.size, equals(const Size(64, 36))); |
| expect(childRect, equals(const Rect.fromLTRB(372.0, 293.0, 428.0, 307.0))); |
| }); |
| |
| group('Default OutlinedButton padding for textScaleFactor, textDirection', () { |
| const ValueKey<String> buttonKey = ValueKey<String>('button'); |
| const ValueKey<String> labelKey = ValueKey<String>('label'); |
| const ValueKey<String> iconKey = ValueKey<String>('icon'); |
| |
| const List<double> textScaleFactorOptions = <double>[0.5, 1.0, 1.25, 1.5, 2.0, 2.5, 3.0, 4.0]; |
| const List<TextDirection> textDirectionOptions = <TextDirection>[TextDirection.ltr, TextDirection.rtl]; |
| const List<Widget?> iconOptions = <Widget?>[null, Icon(Icons.add, size: 18, key: iconKey)]; |
| |
| // Expected values for each textScaleFactor. |
| final Map<double, double> paddingVertical = <double, double>{ |
| 0.5: 0, |
| 1: 0, |
| 1.25: 0, |
| 1.5: 0, |
| 2: 0, |
| 2.5: 0, |
| 3: 0, |
| 4: 0, |
| }; |
| final Map<double, double> paddingWithIconGap = <double, double>{ |
| 0.5: 8, |
| 1: 8, |
| 1.25: 7, |
| 1.5: 6, |
| 2: 4, |
| 2.5: 4, |
| 3: 4, |
| 4: 4, |
| }; |
| final Map<double, double> paddingHorizontal = <double, double>{ |
| 0.5: 16, |
| 1: 16, |
| 1.25: 14, |
| 1.5: 12, |
| 2: 8, |
| 2.5: 6, |
| 3: 4, |
| 4: 4, |
| }; |
| |
| Rect globalBounds(RenderBox renderBox) { |
| final Offset topLeft = renderBox.localToGlobal(Offset.zero); |
| return topLeft & renderBox.size; |
| } |
| |
| /// Computes the padding between two [Rect]s, one inside the other. |
| EdgeInsets paddingBetween({ required Rect parent, required Rect child }) { |
| assert (parent.intersect(child) == child); |
| return EdgeInsets.fromLTRB( |
| child.left - parent.left, |
| child.top - parent.top, |
| parent.right - child.right, |
| parent.bottom - child.bottom, |
| ); |
| } |
| |
| for (final double textScaleFactor in textScaleFactorOptions) { |
| for (final TextDirection textDirection in textDirectionOptions) { |
| for (final Widget? icon in iconOptions) { |
| final String testName = 'OutlinedButton' |
| ', text scale $textScaleFactor' |
| '${icon != null ? ", with icon" : ""}' |
| '${textDirection == TextDirection.rtl ? ", RTL" : ""}'; |
| |
| testWidgets(testName, (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: const ColorScheme.light()), |
| home: Builder( |
| builder: (BuildContext context) { |
| return MediaQuery( |
| data: MediaQuery.of(context)!.copyWith( |
| textScaleFactor: textScaleFactor, |
| ), |
| child: Directionality( |
| textDirection: textDirection, |
| child: Scaffold( |
| body: Center( |
| child: icon == null |
| ? OutlinedButton( |
| key: buttonKey, |
| onPressed: () {}, |
| child: const Text('button', key: labelKey), |
| ) |
| : OutlinedButton.icon( |
| key: buttonKey, |
| onPressed: () {}, |
| icon: icon, |
| label: const Text('button', key: labelKey), |
| ), |
| ), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| final Element paddingElement = tester.element( |
| find.descendant( |
| of: find.byKey(buttonKey), |
| matching: find.byType(Padding), |
| ), |
| ); |
| expect(Directionality.of(paddingElement), textDirection); |
| final Padding paddingWidget = paddingElement.widget as Padding; |
| |
| // Compute expected padding, and check. |
| |
| final double expectedPaddingTop = paddingVertical[textScaleFactor]!; |
| final double expectedPaddingBottom = paddingVertical[textScaleFactor]!; |
| final double expectedPaddingStart = paddingHorizontal[textScaleFactor]!; |
| final double expectedPaddingEnd = expectedPaddingStart; |
| |
| final EdgeInsets expectedPadding = EdgeInsetsDirectional.fromSTEB( |
| expectedPaddingStart, |
| expectedPaddingTop, |
| expectedPaddingEnd, |
| expectedPaddingBottom, |
| ).resolve(textDirection); |
| |
| expect(paddingWidget.padding.resolve(textDirection), expectedPadding); |
| |
| // Measure padding in terms of the difference between the button and its label child |
| // and check that. |
| |
| final RenderBox labelRenderBox = tester.renderObject<RenderBox>(find.byKey(labelKey)); |
| final Rect labelBounds = globalBounds(labelRenderBox); |
| final RenderBox? iconRenderBox = icon == null ? null : tester.renderObject<RenderBox>(find.byKey(iconKey)); |
| final Rect? iconBounds = icon == null ? null : globalBounds(iconRenderBox!); |
| final Rect childBounds = icon == null ? labelBounds : labelBounds.expandToInclude(iconBounds!); |
| |
| // We measure the `InkResponse` descendant of the button |
| // element, because the button has a larger `RenderBox` |
| // which accommodates the minimum tap target with a height |
| // of 48. |
| final RenderBox buttonRenderBox = tester.renderObject<RenderBox>( |
| find.descendant( |
| of: find.byKey(buttonKey), |
| matching: find.byWidgetPredicate( |
| (Widget widget) => widget is InkResponse, |
| ), |
| ), |
| ); |
| final Rect buttonBounds = globalBounds(buttonRenderBox); |
| final EdgeInsets visuallyMeasuredPadding = paddingBetween( |
| parent: buttonBounds, |
| child: childBounds, |
| ); |
| |
| // Since there is a requirement of a minimum width of 64 |
| // and a minimum height of 36 on material buttons, the visual |
| // padding of smaller buttons may not match their settings. |
| // Therefore, we only test buttons that are large enough. |
| if (buttonBounds.width > 64) { |
| expect( |
| visuallyMeasuredPadding.left, |
| expectedPadding.left, |
| ); |
| expect( |
| visuallyMeasuredPadding.right, |
| expectedPadding.right, |
| ); |
| } |
| |
| if (buttonBounds.height > 36) { |
| expect( |
| visuallyMeasuredPadding.top, |
| expectedPadding.top, |
| ); |
| expect( |
| visuallyMeasuredPadding.bottom, |
| expectedPadding.bottom, |
| ); |
| } |
| |
| // Check the gap between the icon and the label |
| if (icon != null) { |
| final double gapWidth = textDirection == TextDirection.ltr |
| ? labelBounds.left - iconBounds!.right |
| : iconBounds!.left - labelBounds.right; |
| expect(gapWidth, paddingWithIconGap[textScaleFactor]); |
| } |
| |
| // Check the text's height - should be consistent with the textScaleFactor. |
| final RenderBox textRenderObject = tester.renderObject<RenderBox>( |
| find.descendant( |
| of: find.byKey(labelKey), |
| matching: find.byElementPredicate( |
| (Element element) => element.widget is RichText, |
| ), |
| ), |
| ); |
| final double textHeight = textRenderObject.paintBounds.size.height; |
| final double expectedTextHeight = 14 * textScaleFactor; |
| expect(textHeight, moreOrLessEquals(expectedTextHeight, epsilon: 0.5)); |
| }); |
| } |
| } |
| } |
| }); |
| |
| testWidgets('Override OutlinedButton default padding', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: const ColorScheme.light()), |
| home: Builder( |
| builder: (BuildContext context) { |
| return MediaQuery( |
| data: MediaQuery.of(context)!.copyWith( |
| textScaleFactor: 2, |
| ), |
| child: Scaffold( |
| body: Center( |
| child: OutlinedButton( |
| style: OutlinedButton.styleFrom(padding: const EdgeInsets.all(22)), |
| onPressed: () {}, |
| child: const Text('OutlinedButton') |
| ), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| final Padding paddingWidget = tester.widget<Padding>( |
| find.descendant( |
| of: find.byType(OutlinedButton), |
| matching: find.byType(Padding), |
| ), |
| ); |
| expect(paddingWidget.padding, const EdgeInsets.all(22)); |
| }); |
| } |
| |
| PhysicalModelLayer _findPhysicalLayer(Element element) { |
| expect(element, isNotNull); |
| RenderObject? object = element.renderObject; |
| while (object != null && object is! RenderRepaintBoundary && object is! RenderView) { |
| object = object.parent as RenderObject?; |
| } |
| expect(object!.debugLayer, isNotNull); |
| expect(object.debugLayer!.firstChild, isA<PhysicalModelLayer>()); |
| final PhysicalModelLayer layer = object.debugLayer!.firstChild! as PhysicalModelLayer; |
| final Layer child = layer.firstChild!; |
| return child is PhysicalModelLayer ? child : layer; |
| } |
| |
| void _checkPhysicalLayer(Element element, Color expectedColor, { Path? clipPath, Rect? clipRect }) { |
| final PhysicalModelLayer expectedLayer = _findPhysicalLayer(element); |
| expect(expectedLayer.elevation, 0.0); |
| expect(expectedLayer.color, expectedColor); |
| if (clipPath != null) { |
| expect(clipRect, isNotNull); |
| expect(expectedLayer.clipPath, coversSameAreaAs(clipPath, areaToCompare: clipRect!.inflate(10.0))); |
| } |
| } |
| |
| TextStyle _iconStyle(WidgetTester tester, IconData icon) { |
| final RichText iconRichText = tester.widget<RichText>( |
| find.descendant(of: find.byIcon(icon), matching: find.byType(RichText)), |
| ); |
| return iconRichText.text.style!; |
| } |
