blob: 583b8309e40ce8926103018721c76fd48be01cf4 [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/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('OutlineButton defaults', (WidgetTester tester) async {
final Finder rawButtonMaterial = find.descendant(
of: find.byType(OutlineButton),
matching: find.byType(Material),
);
// Enabled OutlineButton
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: OutlineButton(
onPressed: () { },
child: const Text('button'),
),
),
);
Material material = tester.widget<Material>(rawButtonMaterial);
expect(material.animationDuration, const Duration(milliseconds: 75));
expect(material.borderOnForeground, true);
expect(material.borderRadius, null);
expect(material.clipBehavior, Clip.none);
expect(material.color, const Color(0x00000000));
expect(material.elevation, 0.0);
expect(material.shadowColor, null);
expect(material.textStyle!.color, const Color(0xdd000000));
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(OutlineButton));
await tester.startGesture(center);
await tester.pumpAndSettle();
// No change vs enabled and not pressed.
material = tester.widget<Material>(rawButtonMaterial);
expect(material.animationDuration, const Duration(milliseconds: 75));
expect(material.borderOnForeground, true);
expect(material.borderRadius, null);
expect(material.clipBehavior, Clip.none);
expect(material.color, const Color(0x00000000));
expect(material.elevation, 0.0);
expect(material.shadowColor, null);
expect(material.textStyle!.color, const Color(0xdd000000));
expect(material.textStyle!.fontFamily, 'Roboto');
expect(material.textStyle!.fontSize, 14);
expect(material.textStyle!.fontWeight, FontWeight.w500);
expect(material.type, MaterialType.button);
// Disabled OutlineButton
await tester.pumpWidget(
const Directionality(
textDirection: TextDirection.ltr,
child: OutlineButton(
onPressed: null,
child: Text('button'),
),
),
);
material = tester.widget<Material>(rawButtonMaterial);
expect(material.animationDuration, const Duration(milliseconds: 75));
expect(material.borderOnForeground, true);
expect(material.borderRadius, null);
expect(material.clipBehavior, Clip.none);
expect(material.color, const Color(0x00000000));
expect(material.elevation, 0.0);
expect(material.shadowColor, null);
expect(material.textStyle!.color, const Color(0x61000000));
expect(material.textStyle!.fontFamily, 'Roboto');
expect(material.textStyle!.fontSize, 14);
expect(material.textStyle!.fontWeight, FontWeight.w500);
expect(material.type, MaterialType.button);
});
testWidgets('Does OutlineButton work with hover', (WidgetTester tester) async {
const Color hoverColor = Color(0xff001122);
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: OutlineButton(
hoverColor: hoverColor,
onPressed: () { },
child: const Text('button'),
),
),
);
final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse);
await gesture.addPointer();
await gesture.moveTo(tester.getCenter(find.byType(OutlineButton)));
await tester.pumpAndSettle();
final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures');
expect(inkFeatures, paints..rect(color: hoverColor));
await gesture.removePointer();
});
testWidgets('OutlineButton changes mouse cursor when hovered', (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: MouseRegion(
cursor: SystemMouseCursors.forbidden,
child: OutlineButton.icon(
icon: const Icon(Icons.add),
label: const Text('Hello'),
onPressed: () {},
mouseCursor: SystemMouseCursors.text,
),
),
),
);
final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse, pointer: 1);
await gesture.addPointer(location: const Offset(1, 1));
addTearDown(gesture.removePointer);
await tester.pump();
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: MouseRegion(
cursor: SystemMouseCursors.forbidden,
child: OutlineButton(
onPressed: () {},
mouseCursor: SystemMouseCursors.text,
),
),
),
);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
// Test default cursor
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: MouseRegion(
cursor: SystemMouseCursors.forbidden,
child: OutlineButton(
onPressed: () {},
),
),
),
);
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: OutlineButton(
onPressed: null,
),
),
),
);
expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic);
});
testWidgets('Does OutlineButton work with focus', (WidgetTester tester) async {
const Color focusColor = Color(0xff001122);
final FocusNode focusNode = FocusNode(debugLabel: 'OutlineButton Node');
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: OutlineButton(
focusColor: focusColor,
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 OutlineButton work with autofocus', (WidgetTester tester) async {
const Color focusColor = Color(0xff001122);
final FocusNode focusNode = FocusNode(debugLabel: 'OutlineButton Node');
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: OutlineButton(
autofocus: true,
focusColor: focusColor,
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('OutlineButton implements debugFillProperties', (WidgetTester tester) async {
final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
OutlineButton(
onPressed: () {},
textColor: const Color(0xFF00FF00),
disabledTextColor: const Color(0xFFFF0000),
color: const Color(0xFF000000),
highlightColor: const Color(0xFF1565C0),
splashColor: const Color(0xFF9E9E9E),
child: const Text('Hello'),
).debugFillProperties(builder);
final List<String> description = builder.properties
.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
.map((DiagnosticsNode node) => node.toString()).toList();
expect(description, <String>[
'textColor: Color(0xff00ff00)',
'disabledTextColor: Color(0xffff0000)',
'color: Color(0xff000000)',
'highlightColor: Color(0xff1565c0)',
'splashColor: Color(0xff9e9e9e)',
]);
});
testWidgets('Default OutlineButton meets a11y contrast guidelines', (WidgetTester tester) async {
final FocusNode focusNode = FocusNode();
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Center(
child: OutlineButton(
onPressed: () {},
focusNode: focusNode,
child: const Text('OutlineButton'),
),
),
),
),
);
// 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(OutlineButton));
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
);
testWidgets('OutlineButton with colored theme meets a11y contrast guidelines', (WidgetTester tester) async {
final FocusNode focusNode = FocusNode();
final ColorScheme colorScheme = ColorScheme.fromSwatch();
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: ButtonTheme(
colorScheme: colorScheme,
textTheme: ButtonTextTheme.primary,
child: OutlineButton(
onPressed: () {},
focusNode: focusNode,
textColor: MaterialStateColor.resolveWith(getTextColor),
child: const Text('OutlineButton'),
),
),
),
),
),
);
// 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(OutlineButton));
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
);
testWidgets('OutlineButton 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: OutlineButton(
onPressed: () {},
focusNode: focusNode,
textColor: MaterialStateColor.resolveWith(getTextColor),
child: const Text('OutlineButton'),
),
),
),
),
);
Color? textColor() {
return tester.renderObject<RenderParagraph>(find.text('OutlineButton')).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(OutlineButton));
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('OutlineButton 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: OutlineButton.icon(
key: buttonKey,
icon: const Icon(Icons.add),
label: const Text('OutlineButton'),
onPressed: () {},
focusNode: focusNode,
textColor: MaterialStateColor.resolveWith(getTextColor),
),
),
),
),
);
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('OutlineButton ignores disabled text color if text color is stateful', (WidgetTester tester) async {
final FocusNode focusNode = FocusNode();
const Color disabledColor = Color(0x00000001);
const Color defaultColor = Color(0x00000002);
const Color unusedDisabledTextColor = Color(0x00000003);
Color getTextColor(Set<MaterialState> states) {
if (states.contains(MaterialState.disabled)) {
return disabledColor;
}
return defaultColor;
}
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Center(
child: OutlineButton(
onPressed: null,
focusNode: focusNode,
textColor: MaterialStateColor.resolveWith(getTextColor),
disabledTextColor: unusedDisabledTextColor,
child: const Text('OutlineButton'),
),
),
),
),
);
Color? textColor() {
return tester.renderObject<RenderParagraph>(find.text('OutlineButton')).text.style!.color;
}
// Disabled.
expect(textColor(), equals(disabledColor));
expect(textColor(), isNot(unusedDisabledTextColor));
});
testWidgets('OutlineButton 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);
Color getBorderColor(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: OutlineButton(
onPressed: () {},
focusNode: focusNode,
borderSide: BorderSide(color: MaterialStateColor.resolveWith(getBorderColor)),
child: const Text('OutlineButton'),
),
),
),
),
);
final Finder outlineButton = find.byType(OutlineButton);
// Default, not disabled.
expect(outlineButton, paints..path(color: defaultColor));
// Focused.
focusNode.requestFocus();
await tester.pumpAndSettle();
expect(outlineButton, paints..path(color: focusedColor));
// Hovered.
final Offset center = tester.getCenter(find.byType(OutlineButton));
final TestGesture gesture = await tester.createGesture(
kind: PointerDeviceKind.mouse,
);
await gesture.addPointer();
addTearDown(gesture.removePointer);
await gesture.moveTo(center);
await tester.pumpAndSettle();
expect(outlineButton, paints..path(color: hoverColor));
// Highlighted (pressed).
await gesture.down(center);
await tester.pumpAndSettle();
expect(outlineButton, paints..path(color: pressedColor));
});
testWidgets('OutlineButton ignores highlightBorderColor if border color is stateful', (WidgetTester tester) async {
const Color pressedColor = Color(0x00000001);
const Color defaultColor = Color(0x00000002);
const Color ignoredPressedColor = Color(0x00000003);
Color getBorderColor(Set<MaterialState> states) {
if (states.contains(MaterialState.pressed)) {
return pressedColor;
}
return defaultColor;
}
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Center(
child: OutlineButton(
onPressed: () {},
borderSide: BorderSide(color: MaterialStateColor.resolveWith(getBorderColor)),
highlightedBorderColor: ignoredPressedColor,
child: const Text('OutlineButton'),
),
),
),
),
);
final Finder outlineButton = find.byType(OutlineButton);
// Default, not disabled.
expect(outlineButton, paints..path(color: defaultColor));
// Highlighted (pressed).
await tester.press(outlineButton);
await tester.pumpAndSettle();
expect(outlineButton, paints..path(color: pressedColor));
});
testWidgets('OutlineButton ignores disabledBorderColor if border color is stateful', (WidgetTester tester) async {
const Color disabledColor = Color(0x00000001);
const Color defaultColor = Color(0x00000002);
const Color ignoredDisabledColor = Color(0x00000003);
Color getBorderColor(Set<MaterialState> states) {
if (states.contains(MaterialState.disabled)) {
return disabledColor;
}
return defaultColor;
}
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Center(
child: OutlineButton(
onPressed: null,
borderSide: BorderSide(color: MaterialStateColor.resolveWith(getBorderColor)),
highlightedBorderColor: ignoredDisabledColor,
child: const Text('OutlineButton'),
),
),
),
),
);
// Disabled.
expect(find.byType(OutlineButton), paints..path(color: disabledColor));
});
testWidgets('OutlineButton onPressed and onLongPress callbacks are correctly called when non-null', (WidgetTester tester) async {
bool wasPressed;
Finder outlineButton;
Widget buildFrame({ VoidCallback? onPressed, VoidCallback? onLongPress }) {
return Directionality(
textDirection: TextDirection.ltr,
child: OutlineButton(
onPressed: onPressed,
onLongPress: onLongPress,
child: const Text('button'),
),
);
}
// onPressed not null, onLongPress null.
wasPressed = false;
await tester.pumpWidget(
buildFrame(onPressed: () { wasPressed = true; }),
);
outlineButton = find.byType(OutlineButton);
expect(tester.widget<OutlineButton>(outlineButton).enabled, true);
await tester.tap(outlineButton);
expect(wasPressed, true);
// onPressed null, onLongPress not null.
wasPressed = false;
await tester.pumpWidget(
buildFrame(onLongPress: () { wasPressed = true; }),
);
outlineButton = find.byType(OutlineButton);
expect(tester.widget<OutlineButton>(outlineButton).enabled, true);
await tester.longPress(outlineButton);
expect(wasPressed, true);
// onPressed null, onLongPress null.
await tester.pumpWidget(
buildFrame(),
);
outlineButton = find.byType(OutlineButton);
expect(tester.widget<OutlineButton>(outlineButton).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: OutlineButton(onPressed: onPressed),
),
),
);
}
await tester.pumpWidget(buildFrame(() {}));
await tester.press(find.byType(OutlineButton));
await tester.pumpAndSettle();
await tester.pumpWidget(buildFrame(null));
await tester.pumpAndSettle();
});
testWidgets('OutlineButton shape and border component overrides', (WidgetTester tester) async {
const Color fillColor = Color(0xFF00FF00);
const Color borderColor = Color(0xFFFF0000);
const Color highlightedBorderColor = Color(0xFF0000FF);
const Color disabledBorderColor = Color(0xFFFF00FF);
const double borderWidth = 4.0;
Widget buildFrame({ VoidCallback? onPressed }) {
return Directionality(
textDirection: TextDirection.ltr,
child: Theme(
data: ThemeData(materialTapTargetSize: MaterialTapTargetSize.shrinkWrap),
child: Container(
alignment: Alignment.topLeft,
child: OutlineButton(
shape: const RoundedRectangleBorder(), // default border radius is 0
clipBehavior: Clip.antiAlias,
color: fillColor,
// Causes the button to be filled with the theme's canvasColor
// instead of Colors.transparent before the button material's
// elevation is animated to 2.0.
highlightElevation: 2.0,
highlightedBorderColor: highlightedBorderColor,
disabledBorderColor: disabledBorderColor,
borderSide: const BorderSide(
width: borderWidth,
color: borderColor,
),
onPressed: onPressed,
child: const Text('button'),
),
),
),
);
}
const Rect clipRect = Rect.fromLTRB(0.0, 0.0, 116.0, 36.0);
final Path clipPath = Path()..addRect(clipRect);
final Finder outlineButton = find.byType(OutlineButton);
// Pump a button with a null onPressed callback to make it disabled.
await tester.pumpWidget(
buildFrame(),
);
// Expect that the button is disabled and painted with the disabled border color.
expect(tester.widget<OutlineButton>(outlineButton).enabled, false);
expect(
outlineButton,
paints..path(color: disabledBorderColor, strokeWidth: borderWidth),
);
_checkPhysicalLayer(
tester.element(outlineButton),
const Color(0x00000000),
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 that the button is enabled and painted with the enabled border color.
expect(tester.widget<OutlineButton>(outlineButton).enabled, true);
expect(
outlineButton,
paints..path(color: borderColor, strokeWidth: borderWidth),
);
// initially, the interior of the button is transparent
_checkPhysicalLayer(
tester.element(outlineButton),
fillColor.withAlpha(0x00),
clipPath: clipPath,
clipRect: clipRect,
);
final Offset center = tester.getCenter(outlineButton);
final TestGesture gesture = await tester.startGesture(center);
await tester.pump(); // start gesture
// Wait for the border's color to change to highlightedBorderColor and
// the fillColor to become opaque.
await tester.pump(const Duration(milliseconds: 200));
expect(
outlineButton,
paints..path(color: highlightedBorderColor, strokeWidth: borderWidth),
);
_checkPhysicalLayer(
tester.element(outlineButton),
fillColor.withAlpha(0xFF),
clipPath: clipPath,
clipRect: clipRect,
);
// Tap gesture completes, button returns to its initial configuration.
await gesture.up();
await tester.pumpAndSettle();
expect(
outlineButton,
paints..path(color: borderColor, strokeWidth: borderWidth),
);
_checkPhysicalLayer(
tester.element(outlineButton),
fillColor.withAlpha(0x00),
clipPath: clipPath,
clipRect: clipRect,
);
});
testWidgets('OutlineButton has no clip by default', (WidgetTester tester) async {
final GlobalKey buttonKey = GlobalKey();
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Material(
child: Center(
child: OutlineButton(
key: buttonKey,
onPressed: () {},
child: const Text('ABC'),
),
),
),
),
);
expect(
tester.renderObject(find.byKey(buttonKey)),
paintsExactlyCountTimes(#clipPath, 0),
);
});
testWidgets('OutlineButton contributes semantics', (WidgetTester tester) async {
final SemanticsTester semantics = SemanticsTester(tester);
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Material(
child: Center(
child: OutlineButton(
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('OutlineButton scales textScaleFactor', (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Material(
child: MediaQuery(
data: const MediaQueryData(),
child: Center(
child: OutlineButton(
onPressed: () {},
child: const Text('ABC'),
),
),
),
),
),
);
expect(tester.getSize(find.byType(OutlineButton)), 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: FlatButton(
onPressed: () {},
child: const Text('ABC'),
),
),
),
),
),
);
expect(tester.getSize(find.byType(FlatButton)), 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: FlatButton(
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(FlatButton)).width, isIn(<double>[158.0, 159.0]));
expect(tester.getSize(find.byType(FlatButton)).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('OutlineButton pressed fillColor default', (WidgetTester tester) async {
Widget buildFrame(ThemeData theme) {
return MaterialApp(
theme: theme,
home: Scaffold(
body: Center(
child: OutlineButton(
onPressed: () {},
// Causes the button to be filled with the theme's canvasColor
// instead of Colors.transparent before the button material's
// elevation is animated to 2.0.
highlightElevation: 2.0,
child: const Text('Hello'),
),
),
),
);
}
await tester.pumpWidget(buildFrame(ThemeData.dark()));
final Finder button = find.byType(OutlineButton);
final Element buttonElement = tester.element(button);
final Offset center = tester.getCenter(button);
// Default value for dark Theme.of(context).canvasColor as well as
// the OutlineButton fill color when the button has been pressed.
Color fillColor = Colors.grey[850]!;
// Initially the interior of the button is transparent.
_checkPhysicalLayer(buttonElement, fillColor.withAlpha(0x00));
// Tap-press gesture on the button triggers the fill animation.
TestGesture gesture = await tester.startGesture(center);
await tester.pump(); // Start the button fill animation.
await tester.pump(const Duration(milliseconds: 200)); // Animation is complete.
_checkPhysicalLayer(buttonElement, fillColor.withAlpha(0xFF));
// Tap gesture completes, button returns to its initial configuration.
await gesture.up();
await tester.pumpAndSettle();
_checkPhysicalLayer(buttonElement, fillColor.withAlpha(0x00));
await tester.pumpWidget(buildFrame(ThemeData.light()));
await tester.pumpAndSettle(); // Finish the theme change animation.
// Default value for light Theme.of(context).canvasColor as well as
// the OutlineButton fill color when the button has been pressed.
fillColor = Colors.grey[50]!;
// Initially the interior of the button is transparent.
// expect(button, paints..path(color: fillColor.withAlpha(0x00)));
// Tap-press gesture on the button triggers the fill animation.
gesture = await tester.startGesture(center);
await tester.pump(); // Start the button fill animation.
await tester.pump(const Duration(milliseconds: 200)); // Animation is complete.
_checkPhysicalLayer(buttonElement, fillColor.withAlpha(0xFF));
// Tap gesture completes, button returns to its initial configuration.
await gesture.up();
await tester.pumpAndSettle();
_checkPhysicalLayer(buttonElement, fillColor.withAlpha(0x00));
});
testWidgets('OutlineButton respects the provided materialTapTargetSize', (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Material(
child: Center(
child: OutlineButton(
materialTapTargetSize: MaterialTapTargetSize.padded,
onPressed: () {},
child: const SizedBox(width: 50.0, height: 8.0),
),
),
),
),
);
// Default Width of OutlineButton with MaterialTapTargetSize (88)
expect(tester.getSize(find.byType(OutlineButton)), const Size(88.0, 48.0));
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Material(
child: Center(
child: OutlineButton(
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
onPressed: () {},
child: const SizedBox(width: 50.0, height: 8.0),
),
),
),
),
);
// Default Width of OutlineButton with MaterialTapTargetSize (88)
expect(tester.getSize(find.byType(OutlineButton)), const Size(88.0, 36.0));
final LocalKey key1 = UniqueKey();
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Material(
child: Center(
child: OutlineButton.icon(
key: key1,
materialTapTargetSize: MaterialTapTargetSize.padded,
icon: const Icon(Icons.add_alarm),
label: const SizedBox(width: 50.0, height: 8.0),
onPressed: () { },
),
),
),
),
);
final Size addAlarmIconSize = tester.getSize(find.byIcon(Icons.add_alarm));
// The expected width is the sum of:
// the width of the icon
// the gap between the icon and the label (8)
// the width of the label (50)
// the horizontal padding: start (12), end (16)
expect(tester.getSize(find.byKey(key1)), Size(86 + addAlarmIconSize.width, 48.0));
final LocalKey key2 = UniqueKey();
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Material(
child: Center(
child: OutlineButton.icon(
key: key2,
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
icon: const Icon(Icons.add),
label: const SizedBox(width: 50.0, height: 8.0),
onPressed: () { },
),
),
),
),
);
// The expected width is the sum of:
// the width of the icon
// the gap between the icon and the label (8)
// the width of the label (50)
// the horizontal padding: start (12), end (16)
final Size addIconSize = tester.getSize(find.byIcon(Icons.add));
expect(tester.getSize(find.byKey(key2)), Size(86 + addIconSize.width, 36.0));
});
testWidgets('OutlineButton onPressed and onLongPress callbacks are distinctly recognized', (WidgetTester tester) async {
bool didPressButton = false;
bool didLongPressButton = false;
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: OutlineButton(
onPressed: () {
didPressButton = true;
},
onLongPress: () {
didLongPressButton = true;
},
child: const Text('button'),
),
),
);
final Finder outlineButton = find.byType(OutlineButton);
expect(tester.widget<OutlineButton>(outlineButton).enabled, true);
expect(didPressButton, isFalse);
await tester.tap(outlineButton);
expect(didPressButton, isTrue);
expect(didLongPressButton, isFalse);
await tester.longPress(outlineButton);
expect(didLongPressButton, isTrue);
});
testWidgets('OutlineButton 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(
home: Directionality(
textDirection: TextDirection.rtl,
child: Center(
child: OutlineButton(
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(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(VisualDensity.standard, 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(76, 36)));
expect(childRect, equals(const Rect.fromLTRB(372.0, 293.0, 428.0, 307.0)));
});
}
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?;
}
assert(object != null);
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!;
}