| // 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/material.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:flutter/gestures.dart'; |
| import 'package:flutter/rendering.dart'; |
| |
| import '../rendering/mock_canvas.dart'; |
| import '../widgets/semantics_tester.dart'; |
| |
| void main() { |
| testWidgets('TextButton defaults', (WidgetTester tester) async { |
| const ColorScheme colorScheme = ColorScheme.light(); |
| |
| // Enabled TextButton |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: colorScheme), |
| home: Center( |
| child: TextButton( |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| final Finder buttonMaterial = find.descendant( |
| of: find.byType(TextButton), |
| matching: find.byType(Material), |
| ); |
| |
| Material material = tester.widget<Material>(buttonMaterial); |
| 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(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(TextButton)); |
| 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(); |
| material = tester.widget<Material>(buttonMaterial); |
| // No change vs enabled and not pressed. |
| 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(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 TextButton |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData.from(colorScheme: colorScheme), |
| home: const Center( |
| child: TextButton( |
| onPressed: null, |
| child: Text('button'), |
| ), |
| ), |
| ), |
| ); |
| |
| material = tester.widget<Material>(buttonMaterial); |
| 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(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('Default TextButton 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: TextButton( |
| child: const Text('TextButton'), |
| 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(TextButton)); |
| 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('TextButton 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( |
| home: Scaffold( |
| body: Center( |
| child: TextButtonTheme( |
| data: TextButtonThemeData( |
| style: ButtonStyle( |
| foregroundColor: MaterialStateProperty.resolveWith<Color>(getTextColor), |
| ), |
| ), |
| child: Builder( |
| builder: (BuildContext context) { |
| return TextButton( |
| child: const Text('TextButton'), |
| 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(TextButton)); |
| 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('TextButton 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: TextButton( |
| style: ButtonStyle( |
| foregroundColor: MaterialStateProperty.resolveWith<Color>(getTextColor), |
| ), |
| onPressed: () {}, |
| focusNode: focusNode, |
| child: const Text('TextButton'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| Color? textColor() { |
| return tester.renderObject<RenderParagraph>(find.text('TextButton')).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(TextButton)); |
| 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('TextButton 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 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: TextButton.icon( |
| style: ButtonStyle( |
| foregroundColor: MaterialStateProperty.resolveWith<Color>(getTextColor), |
| ), |
| key: buttonKey, |
| icon: const Icon(Icons.add), |
| label: const Text('TextButton'), |
| 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('TextButton has no clip by default', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Material( |
| child: TextButton( |
| child: Container(), |
| onPressed: () { /* to make sure the button is enabled */ }, |
| ), |
| ), |
| ), |
| ); |
| |
| expect( |
| tester.renderObject(find.byType(TextButton)), |
| paintsExactlyCountTimes(#clipPath, 0), |
| ); |
| }); |
| |
| testWidgets('Does TextButton 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: Material( |
| child: TextButton( |
| style: ButtonStyle( |
| overlayColor: MaterialStateProperty.resolveWith<Color?>(getOverlayColor), |
| ), |
| child: Container(), |
| onPressed: () { /* to make sure the button is enabled */ }, |
| ), |
| ), |
| ), |
| ); |
| |
| |
| final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); |
| await gesture.addPointer(); |
| addTearDown(gesture.removePointer); |
| await gesture.moveTo(tester.getCenter(find.byType(TextButton))); |
| await tester.pumpAndSettle(); |
| |
| final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| expect(inkFeatures, paints..rect(color: hoverColor)); |
| }); |
| |
| testWidgets('Does TextButton 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: 'TextButton Node'); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: TextButton( |
| style: ButtonStyle( |
| overlayColor: MaterialStateProperty.resolveWith<Color?>(getOverlayColor), |
| ), |
| focusNode: focusNode, |
| onPressed: () { }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| WidgetsBinding.instance!.focusManager.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 TextButton contribute semantics', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Material( |
| child: Center( |
| child: TextButton( |
| style: ButtonStyle( |
| // Specifying minimumSize to mimic the original minimumSize for |
| // RaisedButton so that the semantics tree's rect and transform |
| // match 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('Does TextButton scale with font scale changes', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: Material( |
| child: MediaQuery( |
| data: const MediaQueryData(textScaleFactor: 1.0), |
| child: Center( |
| child: TextButton( |
| onPressed: () { }, |
| child: const Text('ABC'), |
| ), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(tester.getSize(find.byType(TextButton)), equals(const Size(64.0, 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: TextButton( |
| 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(TextButton)).width, isIn(<double>[70.0, 71.0])); |
| expect(tester.getSize(find.byType(TextButton)).height, isIn(<double>[47.0, 48.0])); |
| 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: TextButton( |
| 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(TextButton)).width, isIn(<double>[133.0, 134.0])); |
| expect(tester.getSize(find.byType(TextButton)).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('TextButton size is configurable by ThemeData.materialTapTargetSize', (WidgetTester tester) async { |
| Widget buildFrame(MaterialTapTargetSize tapTargetSize, Key key) { |
| return Theme( |
| data: ThemeData(materialTapTargetSize: tapTargetSize), |
| child: Directionality( |
| textDirection: TextDirection.ltr, |
| child: Material( |
| child: Center( |
| child: TextButton( |
| key: key, |
| child: const SizedBox(width: 50.0, height: 8.0), |
| onPressed: () { }, |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
| |
| final Key key1 = UniqueKey(); |
| await tester.pumpWidget(buildFrame(MaterialTapTargetSize.padded, key1)); |
| expect(tester.getSize(find.byKey(key1)), const Size(66.0, 48.0)); |
| |
| final Key key2 = UniqueKey(); |
| await tester.pumpWidget(buildFrame(MaterialTapTargetSize.shrinkWrap, key2)); |
| expect(tester.getSize(find.byKey(key2)), const Size(66.0, 36.0)); |
| }); |
| |
| testWidgets('TextButton onPressed and onLongPress callbacks are correctly called when non-null', (WidgetTester tester) async { |
| bool wasPressed; |
| Finder textButton; |
| |
| Widget buildFrame({ VoidCallback? onPressed, VoidCallback? onLongPress }) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: TextButton( |
| child: const Text('button'), |
| onPressed: onPressed, |
| onLongPress: onLongPress, |
| ), |
| ); |
| } |
| |
| // onPressed not null, onLongPress null. |
| wasPressed = false; |
| await tester.pumpWidget( |
| buildFrame(onPressed: () { wasPressed = true; }, onLongPress: null), |
| ); |
| textButton = find.byType(TextButton); |
| expect(tester.widget<TextButton>(textButton).enabled, true); |
| await tester.tap(textButton); |
| expect(wasPressed, true); |
| |
| // onPressed null, onLongPress not null. |
| wasPressed = false; |
| await tester.pumpWidget( |
| buildFrame(onPressed: null, onLongPress: () { wasPressed = true; }), |
| ); |
| textButton = find.byType(TextButton); |
| expect(tester.widget<TextButton>(textButton).enabled, true); |
| await tester.longPress(textButton); |
| expect(wasPressed, true); |
| |
| // onPressed null, onLongPress null. |
| await tester.pumpWidget( |
| buildFrame(onPressed: null, onLongPress: null), |
| ); |
| textButton = find.byType(TextButton); |
| expect(tester.widget<TextButton>(textButton).enabled, false); |
| }); |
| |
| testWidgets('TextButton onPressed and onLongPress callbacks are distinctly recognized', (WidgetTester tester) async { |
| bool didPressButton = false; |
| bool didLongPressButton = false; |
| |
| await tester.pumpWidget( |
| Directionality( |
| textDirection: TextDirection.ltr, |
| child: TextButton( |
| onPressed: () { |
| didPressButton = true; |
| }, |
| onLongPress: () { |
| didLongPressButton = true; |
| }, |
| child: const Text('button'), |
| ), |
| ), |
| ); |
| |
| final Finder textButton = find.byType(TextButton); |
| expect(tester.widget<TextButton>(textButton).enabled, true); |
| |
| expect(didPressButton, isFalse); |
| await tester.tap(textButton); |
| expect(didPressButton, isTrue); |
| |
| expect(didLongPressButton, isFalse); |
| await tester.longPress(textButton); |
| expect(didLongPressButton, isTrue); |
| }); |
| |
| testWidgets('TextButton 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: TextButton( |
| 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(116, 116))); |
| 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(140, 140))); |
| 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(100, 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(72, 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(96, 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(56, 36))); |
| expect(childRect, equals(const Rect.fromLTRB(372.0, 293.0, 428.0, 307.0))); |
| }); |
| |
| group('Default TextButton 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: 8, |
| 1: 8, |
| 1.25: 6, |
| 1.5: 4, |
| 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> textPaddingWithoutIconHorizontal = <double, double>{ |
| 0.5: 8, |
| 1: 8, |
| 1.25: 8, |
| 1.5: 8, |
| 2: 8, |
| 2.5: 6, |
| 3: 4, |
| 4: 4, |
| }; |
| final Map<double, double> textPaddingWithIconHorizontal = <double, double>{ |
| 0.5: 8, |
| 1: 8, |
| 1.25: 7, |
| 1.5: 6, |
| 2: 4, |
| 2.5: 4, |
| 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 = 'TextButton' |
| ', 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 |
| ? TextButton( |
| key: buttonKey, |
| onPressed: () {}, |
| child: const Text('button', key: labelKey), |
| ) |
| : TextButton.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 = icon != null |
| ? textPaddingWithIconHorizontal[textScaleFactor]! |
| : textPaddingWithoutIconHorizontal[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 TextButton 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: TextButton( |
| style: TextButton.styleFrom(padding: const EdgeInsets.all(22)), |
| onPressed: () {}, |
| child: const Text('TextButton') |
| ), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| final Padding paddingWidget = tester.widget<Padding>( |
| find.descendant( |
| of: find.byType(TextButton), |
| matching: find.byType(Padding), |
| ), |
| ); |
| expect(paddingWidget.padding, const EdgeInsets.all(22)); |
| }); |
| |
| } |
| |
| |
| 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; |
| } |
