blob: 31ae30c2a845a72309bec90d8a4a93710e875f17 [file] [log] [blame]
// 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/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
import '../rendering/mock_canvas.dart';
import '../widgets/semantics_tester.dart';
void main() {
testWidgets('TextButton, TextButton.icon defaults', (WidgetTester tester) async {
const ColorScheme colorScheme = ColorScheme.light();
final ThemeData theme = ThemeData.from(colorScheme: colorScheme);
final bool material3 = theme.useMaterial3;
// Enabled TextButton
await tester.pumpWidget(
MaterialApp(
theme: theme,
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, material3 ? null : const Color(0xff000000));
expect(material.shape, material3
? const StadiumBorder()
: const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(4))));
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 Align align = tester.firstWidget<Align>(find.ancestor(of: find.text('button'), matching: find.byType(Align)));
expect(align.alignment, Alignment.center);
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
// Material 3 uses the InkSparkle which uses a shader, so we can't capture
// the effect with paint methods.
if (!material3) {
final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures');
expect(inkFeatures, paints..circle(color: colorScheme.primary.withOpacity(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, material3 ? null : const Color(0xff000000));
expect(material.shape, material3
? const StadiumBorder()
: const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(4))));
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);
// Enabled TextButton.icon
final Key iconButtonKey = UniqueKey();
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: Center(
child: TextButton.icon(
key: iconButtonKey,
onPressed: () { },
icon: const Icon(Icons.add),
label: const Text('label'),
),
),
),
);
final Finder iconButtonMaterial = find.descendant(
of: find.byKey(iconButtonKey),
matching: find.byType(Material),
);
material = tester.widget<Material>(iconButtonMaterial);
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, material3 ? null : const Color(0xff000000));
expect(material.shape, material3
? const StadiumBorder()
: const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(4))));
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: theme,
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, material3 ? null : const Color(0xff000000));
expect(material.shape, material3
? const StadiumBorder()
: const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(4))));
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(
onPressed: () { },
focusNode: focusNode,
child: const Text('TextButton'),
),
),
),
),
);
// Default, not disabled.
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();
// Focused.
focusNode.requestFocus();
await tester.pumpAndSettle();
await expectLater(tester, meetsGuideline(textContrastGuideline));
},
skip: isBrowser, // https://github.com/flutter/flutter/issues/44115
);
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(
onPressed: () {},
focusNode: focusNode,
child: const Text('TextButton'),
);
},
),
),
),
),
),
);
// 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));
},
skip: isBrowser, // https://github.com/flutter/flutter/issues/44115
);
testWidgets('TextButton default overlayColor resolves pressed state', (WidgetTester tester) async {
final FocusNode focusNode = FocusNode();
final ThemeData theme = ThemeData(useMaterial3: true);
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: Scaffold(
body: Center(
child: Builder(
builder: (BuildContext context) {
return TextButton(
onPressed: () {},
focusNode: focusNode,
child: const Text('TextButton'),
);
},
),
),
),
),
);
RenderObject overlayColor() {
return tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures');
}
// 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();
expect(overlayColor(), paints..rect(color: theme.colorScheme.primary.withOpacity(0.08)));
// Highlighted (pressed).
await gesture.down(center);
await tester.pumpAndSettle();
expect(overlayColor(), paints..rect()..rect(color: theme.colorScheme.primary.withOpacity(0.12)));
// Remove pressed and hovered states
await gesture.up();
await tester.pumpAndSettle();
await gesture.moveTo(const Offset(0, 50));
await tester.pumpAndSettle();
// Focused.
focusNode.requestFocus();
await tester.pumpAndSettle();
expect(overlayColor(), paints..rect(color: theme.colorScheme.primary.withOpacity(0.12)));
});
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();
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();
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: 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: 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();
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: Center(
child: TextButton(
style: const 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: MaterialStatePropertyAll<Size>(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(
Theme(
// Force Material 2 typography.
data: ThemeData(textTheme: Typography.englishLike2014),
child: Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(),
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(
Theme(
// Force Material 2 typography.
data: ThemeData(textTheme: Typography.englishLike2014),
child: Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(textScaleFactor: 1.3),
child: Center(
child: TextButton(
onPressed: () { },
child: const Text('ABC'),
),
),
),
),
),
);
expect(tester.getSize(find.byType(TextButton)), const Size(71.0, 48.0));
expect(tester.getSize(find.byType(Text)), const Size(55.0, 18.0));
// Set text scale large enough to expand text and button.
await tester.pumpWidget(
Theme(
// Force Material 2 typography.
data: ThemeData(textTheme: Typography.englishLike2014),
child: Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(textScaleFactor: 3.0),
child: Center(
child: TextButton(
onPressed: () { },
child: const Text('ABC'),
),
),
),
),
),
);
expect(tester.getSize(find.byType(TextButton)), const Size(134.0, 48.0));
expect(tester.getSize(find.byType(Text)), const Size(126.0, 42.0));
}, skip: kIsWeb && !isCanvasKit); // https://github.com/flutter/flutter/issues/61016
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: Center(
child: TextButton(
key: key,
style: TextButton.styleFrom(minimumSize: const Size(64, 36)),
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(
onPressed: onPressed,
onLongPress: onLongPress,
child: const Text('button'),
),
);
}
// onPressed not null, onLongPress null.
wasPressed = false;
await tester.pumpWidget(
buildFrame(onPressed: () { wasPressed = true; }),
);
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(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(),
);
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 response doesn't hover when disabled", (WidgetTester tester) async {
FocusManager.instance.highlightStrategy = FocusHighlightStrategy.alwaysTouch;
final FocusNode focusNode = FocusNode(debugLabel: 'TextButton Focus');
final GlobalKey childKey = GlobalKey();
bool hovering = false;
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: SizedBox(
width: 100,
height: 100,
child: TextButton(
autofocus: true,
onPressed: () {},
onLongPress: () {},
onHover: (bool value) { hovering = value; },
focusNode: focusNode,
child: SizedBox(key: childKey),
),
),
),
);
await tester.pumpAndSettle();
expect(focusNode.hasPrimaryFocus, isTrue);
final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse);
await gesture.addPointer();
await gesture.moveTo(tester.getCenter(find.byKey(childKey)));
await tester.pumpAndSettle();
expect(hovering, isTrue);
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: SizedBox(
width: 100,
height: 100,
child: TextButton(
focusNode: focusNode,
onHover: (bool value) { hovering = value; },
onPressed: null,
child: SizedBox(key: childKey),
),
),
),
);
await tester.pumpAndSettle();
expect(focusNode.hasPrimaryFocus, isFalse);
});
testWidgets('disabled and hovered TextButton responds to mouse-exit', (WidgetTester tester) async {
int onHoverCount = 0;
late bool hover;
Widget buildFrame({ required bool enabled }) {
return Directionality(
textDirection: TextDirection.ltr,
child: Center(
child: SizedBox(
width: 100,
height: 100,
child: TextButton(
onPressed: enabled ? () { } : null,
onHover: (bool value) {
onHoverCount += 1;
hover = value;
},
child: const Text('TextButton'),
),
),
),
);
}
await tester.pumpWidget(buildFrame(enabled: true));
final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse);
await gesture.addPointer();
await gesture.moveTo(tester.getCenter(find.byType(TextButton)));
await tester.pumpAndSettle();
expect(onHoverCount, 1);
expect(hover, true);
await tester.pumpWidget(buildFrame(enabled: false));
await tester.pumpAndSettle();
await gesture.moveTo(Offset.zero);
// Even though the TextButton has been disabled, the mouse-exit still
// causes onHover(false) to be called.
expect(onHoverCount, 2);
expect(hover, false);
await gesture.moveTo(tester.getCenter(find.byType(TextButton)));
await tester.pumpAndSettle();
// We no longer see hover events because the TextButton is disabled
// and it's no longer in the "hovering" state.
expect(onHoverCount, 2);
expect(hover, false);
await tester.pumpWidget(buildFrame(enabled: true));
await tester.pumpAndSettle();
// The TextButton was enabled while it contained the mouse, however
// we do not call onHover() because it may call setState().
expect(onHoverCount, 2);
expect(hover, false);
await gesture.moveTo(tester.getCenter(find.byType(TextButton)) - const Offset(1, 1));
await tester.pumpAndSettle();
// Moving the mouse a little within the TextButton doesn't change anything.
expect(onHoverCount, 2);
expect(hover, false);
});
testWidgets('Can set TextButton focus and Can set unFocus.', (WidgetTester tester) async {
final FocusNode node = FocusNode(debugLabel: 'TextButton Focus');
bool gotFocus = false;
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: TextButton(
focusNode: node,
onFocusChange: (bool focused) => gotFocus = focused,
onPressed: () { },
child: const SizedBox(),
),
),
);
node.requestFocus();
await tester.pump();
expect(gotFocus, isTrue);
expect(node.hasFocus, isTrue);
node.unfocus();
await tester.pump();
expect(gotFocus, isFalse);
expect(node.hasFocus, isFalse);
});
testWidgets('When TextButton disable, Can not set TextButton focus.', (WidgetTester tester) async {
final FocusNode node = FocusNode(debugLabel: 'TextButton Focus');
bool gotFocus = false;
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: TextButton(
focusNode: node,
onFocusChange: (bool focused) => gotFocus = focused,
onPressed: null,
child: const SizedBox(),
),
),
);
node.requestFocus();
await tester.pump();
expect(gotFocus, isFalse);
expect(node.hasFocus, isFalse);
});
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 tester.pumpWidget(
MaterialApp(
theme: ThemeData(textTheme: Typography.englishLike2014),
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(VisualDensity.standard);
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(116, 100)));
expect(childRect, equals(const Rect.fromLTRB(350, 250, 450, 350)));
await buildTest(VisualDensity.standard, 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(72, 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 = <String>[
'TextButton, text scale $textScaleFactor',
if (icon != null)
'with icon',
if (textDirection == TextDirection.rtl)
'RTL',
].join(', ');
testWidgets(testName, (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
theme: ThemeData(
colorScheme: const ColorScheme.light(),
// Force Material 2 defaults for the typography and size
// default values as the test was designed against these settings.
textTheme: Typography.englishLike2014,
textButtonTheme: TextButtonThemeData(
style: TextButton.styleFrom(minimumSize: const Size(64, 36)),
),
),
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));
});
testWidgets('M3 TextButton has correct default padding', (WidgetTester tester) async {
final Key key = UniqueKey();
await tester.pumpWidget(
MaterialApp(
theme: ThemeData.from(colorScheme: const ColorScheme.light(), useMaterial3: true),
home: Scaffold(
body: Center(
child: TextButton(
key: key,
onPressed: () {},
child: const Text('TextButton'),
),
),
),
),
);
final Padding paddingWidget = tester.widget<Padding>(
find.descendant(
of: find.byKey(key),
matching: find.byType(Padding),
),
);
expect(paddingWidget.padding, const EdgeInsets.symmetric(horizontal: 12,vertical: 8));
});
testWidgets('M3 TextButton.icon has correct default padding', (WidgetTester tester) async {
final Key key = UniqueKey();
await tester.pumpWidget(
MaterialApp(
theme: ThemeData.from(colorScheme: const ColorScheme.light(), useMaterial3: true),
home: Scaffold(
body: Center(
child: TextButton.icon(
key: key,
onPressed: () {},
icon: const Icon(Icons.add),
label: const Text('TextButton'),
),
),
),
),
);
final Padding paddingWidget = tester.widget<Padding>(
find.descendant(
of: find.byKey(key),
matching: find.byType(Padding),
),
);
expect(paddingWidget.padding, const EdgeInsetsDirectional.fromSTEB(12, 8, 16, 8));
});
testWidgets('Fixed size TextButtons', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
TextButton(
style: TextButton.styleFrom(fixedSize: const Size(100, 100)),
onPressed: () {},
child: const Text('100x100'),
),
TextButton(
style: TextButton.styleFrom(fixedSize: const Size.fromWidth(200)),
onPressed: () {},
child: const Text('200xh'),
),
TextButton(
style: TextButton.styleFrom(fixedSize: const Size.fromHeight(200)),
onPressed: () {},
child: const Text('wx200'),
),
],
),
),
),
);
expect(tester.getSize(find.widgetWithText(TextButton, '100x100')), const Size(100, 100));
expect(tester.getSize(find.widgetWithText(TextButton, '200xh')).width, 200);
expect(tester.getSize(find.widgetWithText(TextButton, 'wx200')).height, 200);
});
testWidgets('TextButton with NoSplash splashFactory paints nothing', (WidgetTester tester) async {
Widget buildFrame({ InteractiveInkFeatureFactory? splashFactory }) {
return MaterialApp(
home: Scaffold(
body: Center(
child: TextButton(
style: TextButton.styleFrom(
splashFactory: splashFactory,
),
onPressed: () { },
child: const Text('test'),
),
),
),
);
}
// NoSplash.splashFactory, no splash circles drawn
await tester.pumpWidget(buildFrame(splashFactory: NoSplash.splashFactory));
{
final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('test')));
final MaterialInkController material = Material.of(tester.element(find.text('test')));
await tester.pump(const Duration(milliseconds: 200));
expect(material, paintsExactlyCountTimes(#drawCircle, 0));
await gesture.up();
await tester.pumpAndSettle();
}
// InkRipple.splashFactory, one splash circle drawn.
await tester.pumpWidget(buildFrame(splashFactory: InkRipple.splashFactory));
{
final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('test')));
final MaterialInkController material = Material.of(tester.element(find.text('test')));
await tester.pump(const Duration(milliseconds: 200));
expect(material, paintsExactlyCountTimes(#drawCircle, 1));
await gesture.up();
await tester.pumpAndSettle();
}
});
testWidgets('TextButton uses InkSparkle only for Android non-web when useMaterial3 is true', (WidgetTester tester) async {
final ThemeData theme = ThemeData(useMaterial3: true);
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: Center(
child: TextButton(
onPressed: () { },
child: const Text('button'),
),
),
),
);
final InkWell buttonInkWell = tester.widget<InkWell>(find.descendant(
of: find.byType(TextButton),
matching: find.byType(InkWell),
));
if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) {
expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory));
} else {
expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
}
}, variant: TargetPlatformVariant.all());
testWidgets('TextButton uses InkRipple when useMaterial3 is false', (WidgetTester tester) async {
final ThemeData theme = ThemeData(useMaterial3: false);
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: Center(
child: TextButton(
onPressed: () { },
child: const Text('button'),
),
),
),
);
final InkWell buttonInkWell = tester.widget<InkWell>(find.descendant(
of: find.byType(TextButton),
matching: find.byType(InkWell),
));
expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
}, variant: TargetPlatformVariant.all());
testWidgets('TextButton.icon does not overflow', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/77815
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: SizedBox(
width: 200,
child: TextButton.icon(
onPressed: () {},
icon: const Icon(Icons.add),
label: const Text( // Much wider than 200
'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut a euismod nibh. Morbi laoreet purus.',
),
),
),
),
),
);
expect(tester.takeException(), null);
});
testWidgets('TextButton.icon icon,label layout', (WidgetTester tester) async {
final Key buttonKey = UniqueKey();
final Key iconKey = UniqueKey();
final Key labelKey = UniqueKey();
final ButtonStyle style = TextButton.styleFrom(
padding: EdgeInsets.zero,
visualDensity: VisualDensity.standard, // dx=0, dy=0
);
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: SizedBox(
width: 200,
child: TextButton.icon(
key: buttonKey,
style: style,
onPressed: () {},
icon: SizedBox(key: iconKey, width: 50, height: 100),
label: SizedBox(key: labelKey, width: 50, height: 100),
),
),
),
),
);
// The button's label and icon are separated by a gap of 8:
// 46 [icon 50] 8 [label 50] 46
// The overall button width is 200. So:
// icon.x = 46
// label.x = 46 + 50 + 8 = 104
expect(tester.getRect(find.byKey(buttonKey)), const Rect.fromLTRB(0.0, 0.0, 200.0, 100.0));
expect(tester.getRect(find.byKey(iconKey)), const Rect.fromLTRB(46.0, 0.0, 96.0, 100.0));
expect(tester.getRect(find.byKey(labelKey)), const Rect.fromLTRB(104.0, 0.0, 154.0, 100.0));
});
testWidgets('TextButton maximumSize', (WidgetTester tester) async {
final Key key0 = UniqueKey();
final Key key1 = UniqueKey();
await tester.pumpWidget(
MaterialApp(
theme: ThemeData(textTheme: Typography.englishLike2014),
home: Scaffold(
body: Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
TextButton(
key: key0,
style: TextButton.styleFrom(
minimumSize: const Size(24, 36),
maximumSize: const Size.fromWidth(64),
),
onPressed: () { },
child: const Text('A B C D E F G H I J K L M N O P'),
),
TextButton.icon(
key: key1,
style: TextButton.styleFrom(
minimumSize: const Size(24, 36),
maximumSize: const Size.fromWidth(104),
),
onPressed: () {},
icon: Container(color: Colors.red, width: 32, height: 32),
label: const Text('A B C D E F G H I J K L M N O P'),
),
],
),
),
),
),
);
expect(tester.getSize(find.byKey(key0)), const Size(64.0, 128.0));
expect(tester.getSize(find.byKey(key1)), const Size(104.0, 128.0));
});
testWidgets('Fixed size TextButton, same as minimumSize == maximumSize', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
TextButton(
style: TextButton.styleFrom(fixedSize: const Size(200, 200)),
onPressed: () { },
child: const Text('200x200'),
),
TextButton(
style: TextButton.styleFrom(
minimumSize: const Size(200, 200),
maximumSize: const Size(200, 200),
),
onPressed: () { },
child: const Text('200,200'),
),
],
),
),
),
);
expect(tester.getSize(find.widgetWithText(TextButton, '200x200')), const Size(200, 200));
expect(tester.getSize(find.widgetWithText(TextButton, '200,200')), const Size(200, 200));
});
testWidgets('TextButton changes mouse cursor when hovered', (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: MouseRegion(
cursor: SystemMouseCursors.forbidden,
child: TextButton(
style: TextButton.styleFrom(
enabledMouseCursor: SystemMouseCursors.text,
disabledMouseCursor: SystemMouseCursors.grab,
),
onPressed: () {},
child: const Text('button'),
),
),
),
);
final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse, pointer: 1);
await gesture.addPointer(location: Offset.zero);
await tester.pump();
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
// Test cursor when disabled
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: MouseRegion(
cursor: SystemMouseCursors.forbidden,
child: TextButton(
style: TextButton.styleFrom(
enabledMouseCursor: SystemMouseCursors.text,
disabledMouseCursor: SystemMouseCursors.grab,
),
onPressed: null,
child: const Text('button'),
),
),
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.grab);
// Test default cursor
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: MouseRegion(
cursor: SystemMouseCursors.forbidden,
child: TextButton(
onPressed: () {},
child: const Text('button'),
),
),
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click);
// Test default cursor when disabled
await tester.pumpWidget(
const Directionality(
textDirection: TextDirection.ltr,
child: MouseRegion(
cursor: SystemMouseCursors.forbidden,
child: TextButton(
onPressed: null,
child: Text('button'),
),
),
),
);
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
});
testWidgets('TextButton in SelectionArea changes mouse cursor when hovered', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/104595.
await tester.pumpWidget(MaterialApp(
home: SelectionArea(
child: TextButton(
style: TextButton.styleFrom(
enabledMouseCursor: SystemMouseCursors.click,
disabledMouseCursor: SystemMouseCursors.grab,
),
onPressed: () {},
child: const Text('button'),
),
),
));
final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse, pointer: 1);
await gesture.addPointer(location: tester.getCenter(find.byType(Text)));
await tester.pump();
expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click);
});
testWidgets('TextButton.styleFrom can be used to set foreground and background colors', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: TextButton(
style: TextButton.styleFrom(
foregroundColor: Colors.white,
backgroundColor: Colors.purple,
),
onPressed: () {},
child: const Text('button'),
),
),
),
);
final Material material = tester.widget<Material>(find.descendant(
of: find.byType(TextButton),
matching: find.byType(Material),
));
expect(material.color, Colors.purple);
expect(material.textStyle!.color, Colors.white);
});
Future<void> testStatesController(Widget? icon, WidgetTester tester) async {
int count = 0;
void valueChanged() {
count += 1;
}
final MaterialStatesController controller = MaterialStatesController();
controller.addListener(valueChanged);
await tester.pumpWidget(
MaterialApp(
home: Center(
child: icon == null
? TextButton(
statesController: controller,
onPressed: () { },
child: const Text('button'),
)
: TextButton.icon(
statesController: controller,
onPressed: () { },
icon: icon,
label: const Text('button'),
),
),
),
);
expect(controller.value, <MaterialState>{});
expect(count, 0);
final Offset center = tester.getCenter(find.byType(Text));
final TestGesture gesture = await tester.createGesture(
kind: PointerDeviceKind.mouse,
);
await gesture.addPointer();
await gesture.moveTo(center);
await tester.pumpAndSettle();
expect(controller.value, <MaterialState>{MaterialState.hovered});
expect(count, 1);
await gesture.moveTo(Offset.zero);
await tester.pumpAndSettle();
expect(controller.value, <MaterialState>{});
expect(count, 2);
await gesture.moveTo(center);
await tester.pumpAndSettle();
expect(controller.value, <MaterialState>{MaterialState.hovered});
expect(count, 3);
await gesture.down(center);
await tester.pumpAndSettle();
expect(controller.value, <MaterialState>{MaterialState.hovered, MaterialState.pressed});
expect(count, 4);
await gesture.up();
await tester.pumpAndSettle();
expect(controller.value, <MaterialState>{MaterialState.hovered});
expect(count, 5);
await gesture.moveTo(Offset.zero);
await tester.pumpAndSettle();
expect(controller.value, <MaterialState>{});
expect(count, 6);
await gesture.down(center);
await tester.pumpAndSettle();
expect(controller.value, <MaterialState>{MaterialState.hovered, MaterialState.pressed});
expect(count, 8); // adds hovered and pressed - two changes
// If the button is rebuilt disabled, then the pressed state is
// removed.
await tester.pumpWidget(
MaterialApp(
home: Center(
child: icon == null
? TextButton(
statesController: controller,
onPressed: null,
child: const Text('button'),
)
: TextButton.icon(
statesController: controller,
onPressed: null,
icon: icon,
label: const Text('button'),
),
),
),
);
await tester.pumpAndSettle();
expect(controller.value, <MaterialState>{MaterialState.hovered, MaterialState.disabled});
expect(count, 10); // removes pressed and adds disabled - two changes
await gesture.moveTo(Offset.zero);
await tester.pumpAndSettle();
expect(controller.value, <MaterialState>{MaterialState.disabled});
expect(count, 11);
await gesture.removePointer();
}
testWidgets('TextButton statesController', (WidgetTester tester) async {
testStatesController(null, tester);
});
testWidgets('TextButton.icon statesController', (WidgetTester tester) async {
testStatesController(const Icon(Icons.add), tester);
});
testWidgets('Disabled TextButton statesController', (WidgetTester tester) async {
int count = 0;
void valueChanged() {
count += 1;
}
final MaterialStatesController controller = MaterialStatesController();
controller.addListener(valueChanged);
await tester.pumpWidget(
MaterialApp(
home: Center(
child: TextButton(
statesController: controller,
onPressed: null,
child: const Text('button'),
),
),
),
);
expect(controller.value, <MaterialState>{MaterialState.disabled});
expect(count, 1);
});
testWidgets('icon color can be different from the text color', (WidgetTester tester) async {
final Key iconButtonKey = UniqueKey();
const ColorScheme colorScheme = ColorScheme.light();
final ThemeData theme = ThemeData.from(colorScheme: colorScheme);
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: Center(
child: TextButton.icon(
key: iconButtonKey,
style: TextButton.styleFrom(iconColor: Colors.red),
icon: const Icon(Icons.add),
onPressed: () {},
label: const Text('button'),
),
),
),
);
Finder buttonMaterial = find.descendant(
of: find.byKey(iconButtonKey),
matching: find.byType(Material),
);
Material material = tester.widget<Material>(buttonMaterial);
expect(material.textStyle!.color, colorScheme.primary);
Color? iconColor() => _iconStyle(tester, Icons.add)?.color;
expect(iconColor(), equals(Colors.red));
// disabled button
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: Center(
child: TextButton.icon(
key: iconButtonKey,
style: TextButton.styleFrom(iconColor: Colors.red, disabledIconColor: Colors.blue),
icon: const Icon(Icons.add),
onPressed: null,
label: const Text('button'),
),
),
),
);
buttonMaterial = find.descendant(
of: find.byKey(iconButtonKey),
matching: find.byType(Material),
);
material = tester.widget<Material>(buttonMaterial);
expect(material.textStyle!.color, colorScheme.onSurface.withOpacity(0.38));
expect(iconColor(), equals(Colors.blue));
});
testWidgets("TextButton.styleFrom doesn't throw exception on passing only one cursor", (WidgetTester tester) async {
// This is a regression test for https://github.com/flutter/flutter/issues/118071.
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: TextButton(
style: TextButton.styleFrom(
enabledMouseCursor: SystemMouseCursors.text,
),
onPressed: () {},
child: const Text('button'),
),
),
);
expect(tester.takeException(), isNull);
});
}
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;
}