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// 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:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
void main() {
test('TextButtonTheme lerp special cases', () {
expect(TextButtonThemeData.lerp(null, null, 0), null);
const TextButtonThemeData data = TextButtonThemeData();
expect(identical(TextButtonThemeData.lerp(data, data, 0.5), data), true);
});
testWidgetsWithLeakTracking('Material3: Passing no TextButtonTheme returns defaults', (WidgetTester tester) async {
const ColorScheme colorScheme = ColorScheme.light();
await tester.pumpWidget(
MaterialApp(
theme: ThemeData.from(useMaterial3: true, colorScheme: colorScheme),
home: Scaffold(
body: Center(
child: TextButton(
onPressed: () { },
child: const Text('button'),
),
),
),
),
);
final Finder buttonMaterial = find.descendant(
of: find.byType(TextButton),
matching: find.byType(Material),
);
final Material material = tester.widget<Material>(buttonMaterial);
expect(material.animationDuration, const Duration(milliseconds: 200));
expect(material.borderRadius, null);
expect(material.color, Colors.transparent);
expect(material.elevation, 0.0);
expect(material.shadowColor, Colors.transparent);
expect(material.shape, const StadiumBorder());
expect(material.textStyle!.color, colorScheme.primary);
expect(material.textStyle!.fontFamily, 'Roboto');
expect(material.textStyle!.fontSize, 14);
expect(material.textStyle!.fontWeight, FontWeight.w500);
final Align align = tester.firstWidget<Align>(find.ancestor(of: find.text('button'), matching: find.byType(Align)));
expect(align.alignment, Alignment.center);
});
testWidgetsWithLeakTracking('Material2: Passing no TextButtonTheme returns defaults', (WidgetTester tester) async {
const ColorScheme colorScheme = ColorScheme.light();
await tester.pumpWidget(
MaterialApp(
theme: ThemeData.from(useMaterial3: false, colorScheme: colorScheme),
home: Scaffold(
body: Center(
child: TextButton(
onPressed: () { },
child: const Text('button'),
),
),
),
),
);
final Finder buttonMaterial = find.descendant(
of: find.byType(TextButton),
matching: find.byType(Material),
);
final Material material = tester.widget<Material>(buttonMaterial);
expect(material.animationDuration, const Duration(milliseconds: 200));
expect(material.borderRadius, null);
expect(material.color, Colors.transparent);
expect(material.elevation, 0.0);
expect(material.shadowColor, const Color(0xff000000));
expect(material.shape, const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.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);
final Align align = tester.firstWidget<Align>(find.ancestor(of: find.text('button'), matching: find.byType(Align)));
expect(align.alignment, Alignment.center);
});
group('[Theme, TextTheme, TextButton style overrides]', () {
const Color foregroundColor = Color(0xff000001);
const Color backgroundColor = Color(0xff000002);
const Color disabledColor = Color(0xff000003);
const Color shadowColor = Color(0xff000004);
const double elevation = 3;
const TextStyle textStyle = TextStyle(fontSize: 12.0);
const EdgeInsets padding = EdgeInsets.all(3);
const Size minimumSize = Size(200, 200);
const BorderSide side = BorderSide(color: Colors.green, width: 2);
const OutlinedBorder shape = RoundedRectangleBorder(side: side, borderRadius: BorderRadius.all(Radius.circular(2)));
const MouseCursor enabledMouseCursor = SystemMouseCursors.text;
const MouseCursor disabledMouseCursor = SystemMouseCursors.grab;
const MaterialTapTargetSize tapTargetSize = MaterialTapTargetSize.shrinkWrap;
const Duration animationDuration = Duration(milliseconds: 25);
const bool enableFeedback = false;
const AlignmentGeometry alignment = Alignment.centerLeft;
final ButtonStyle style = TextButton.styleFrom(
foregroundColor: foregroundColor,
disabledForegroundColor: disabledColor,
backgroundColor: backgroundColor,
disabledBackgroundColor: disabledColor,
shadowColor: shadowColor,
elevation: elevation,
textStyle: textStyle,
padding: padding,
minimumSize: minimumSize,
side: side,
shape: shape,
enabledMouseCursor: enabledMouseCursor,
disabledMouseCursor: disabledMouseCursor,
tapTargetSize: tapTargetSize,
animationDuration: animationDuration,
enableFeedback: enableFeedback,
alignment: alignment,
);
Widget buildFrame({ ButtonStyle? buttonStyle, ButtonStyle? themeStyle, ButtonStyle? overallStyle }) {
final Widget child = Builder(
builder: (BuildContext context) {
return TextButton(
style: buttonStyle,
onPressed: () { },
child: const Text('button'),
);
},
);
return MaterialApp(
theme: ThemeData.from(colorScheme: const ColorScheme.light()).copyWith(
textButtonTheme: TextButtonThemeData(style: overallStyle),
),
home: Scaffold(
body: Center(
// If the TextButtonTheme widget is present, it's used
// instead of the Theme's ThemeData.textButtonTheme.
child: themeStyle == null ? child : TextButtonTheme(
data: TextButtonThemeData(style: themeStyle),
child: child,
),
),
),
);
}
final Finder findMaterial = find.descendant(
of: find.byType(TextButton),
matching: find.byType(Material),
);
final Finder findInkWell = find.descendant(
of: find.byType(TextButton),
matching: find.byType(InkWell),
);
const Set<MaterialState> enabled = <MaterialState>{};
const Set<MaterialState> disabled = <MaterialState>{ MaterialState.disabled };
const Set<MaterialState> hovered = <MaterialState>{ MaterialState.hovered };
const Set<MaterialState> focused = <MaterialState>{ MaterialState.focused };
void checkButton(WidgetTester tester) {
final Material material = tester.widget<Material>(findMaterial);
final InkWell inkWell = tester.widget<InkWell>(findInkWell);
expect(material.textStyle!.color, foregroundColor);
expect(material.textStyle!.fontSize, 12);
expect(material.color, backgroundColor);
expect(material.shadowColor, shadowColor);
expect(material.elevation, elevation);
expect(MaterialStateProperty.resolveAs<MouseCursor?>(inkWell.mouseCursor, enabled), enabledMouseCursor);
expect(MaterialStateProperty.resolveAs<MouseCursor?>(inkWell.mouseCursor, disabled), disabledMouseCursor);
expect(inkWell.overlayColor!.resolve(hovered), foregroundColor.withOpacity(0.04));
expect(inkWell.overlayColor!.resolve(focused), foregroundColor.withOpacity(0.12));
expect(inkWell.enableFeedback, enableFeedback);
expect(material.borderRadius, null);
expect(material.shape, shape);
expect(material.animationDuration, animationDuration);
expect(tester.getSize(find.byType(TextButton)), const Size(200, 200));
final Align align = tester.firstWidget<Align>(find.ancestor(of: find.text('button'), matching: find.byType(Align)));
expect(align.alignment, alignment);
}
testWidgetsWithLeakTracking('Button style overrides defaults', (WidgetTester tester) async {
await tester.pumpWidget(buildFrame(buttonStyle: style));
await tester.pumpAndSettle(); // allow the animations to finish
checkButton(tester);
});
testWidgetsWithLeakTracking('Button theme style overrides defaults', (WidgetTester tester) async {
await tester.pumpWidget(buildFrame(themeStyle: style));
await tester.pumpAndSettle();
checkButton(tester);
});
testWidgetsWithLeakTracking('Overall Theme button theme style overrides defaults', (WidgetTester tester) async {
await tester.pumpWidget(buildFrame(overallStyle: style));
await tester.pumpAndSettle();
checkButton(tester);
});
// Same as the previous tests with empty ButtonStyle's instead of null.
testWidgetsWithLeakTracking('Button style overrides defaults, empty theme and overall styles', (WidgetTester tester) async {
await tester.pumpWidget(buildFrame(buttonStyle: style, themeStyle: const ButtonStyle(), overallStyle: const ButtonStyle()));
await tester.pumpAndSettle(); // allow the animations to finish
checkButton(tester);
});
testWidgetsWithLeakTracking('Button theme style overrides defaults, empty button and overall styles', (WidgetTester tester) async {
await tester.pumpWidget(buildFrame(buttonStyle: const ButtonStyle(), themeStyle: style, overallStyle: const ButtonStyle()));
await tester.pumpAndSettle(); // allow the animations to finish
checkButton(tester);
});
testWidgetsWithLeakTracking('Overall Theme button theme style overrides defaults, null theme and empty overall style', (WidgetTester tester) async {
await tester.pumpWidget(buildFrame(buttonStyle: const ButtonStyle(), overallStyle: style));
await tester.pumpAndSettle(); // allow the animations to finish
checkButton(tester);
});
});
testWidgetsWithLeakTracking('Material3: Theme shadowColor', (WidgetTester tester) async {
const ColorScheme colorScheme = ColorScheme.light();
const Color shadowColor = Color(0xff000001);
const Color overriddenColor = Color(0xff000002);
Widget buildFrame({ Color? overallShadowColor, Color? themeShadowColor, Color? shadowColor }) {
return MaterialApp(
theme: ThemeData.from(
useMaterial3: true,
colorScheme: colorScheme.copyWith(shadow: overallShadowColor),
),
home: Scaffold(
body: Center(
child: TextButtonTheme(
data: TextButtonThemeData(
style: TextButton.styleFrom(
shadowColor: themeShadowColor,
),
),
child: Builder(
builder: (BuildContext context) {
return TextButton(
style: TextButton.styleFrom(
shadowColor: shadowColor,
),
onPressed: () { },
child: const Text('button'),
);
},
),
),
),
),
);
}
final Finder buttonMaterialFinder = find.descendant(
of: find.byType(TextButton),
matching: find.byType(Material),
);
await tester.pumpWidget(buildFrame());
Material material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, Colors.transparent);
await tester.pumpWidget(buildFrame(overallShadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, Colors.transparent);
await tester.pumpWidget(buildFrame(themeShadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, shadowColor);
await tester.pumpWidget(buildFrame(shadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, shadowColor);
await tester.pumpWidget(buildFrame(overallShadowColor: overriddenColor, themeShadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, shadowColor);
await tester.pumpWidget(buildFrame(themeShadowColor: overriddenColor, shadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, shadowColor);
});
testWidgetsWithLeakTracking('Material2: Theme shadowColor', (WidgetTester tester) async {
const ColorScheme colorScheme = ColorScheme.light();
const Color shadowColor = Color(0xff000001);
const Color overriddenColor = Color(0xff000002);
Widget buildFrame({ Color? overallShadowColor, Color? themeShadowColor, Color? shadowColor }) {
return MaterialApp(
theme: ThemeData.from(useMaterial3: false, colorScheme: colorScheme).copyWith(
shadowColor: overallShadowColor,
),
home: Scaffold(
body: Center(
child: TextButtonTheme(
data: TextButtonThemeData(
style: TextButton.styleFrom(
shadowColor: themeShadowColor,
),
),
child: Builder(
builder: (BuildContext context) {
return TextButton(
style: TextButton.styleFrom(
shadowColor: shadowColor,
),
onPressed: () { },
child: const Text('button'),
);
},
),
),
),
),
);
}
final Finder buttonMaterialFinder = find.descendant(
of: find.byType(TextButton),
matching: find.byType(Material),
);
await tester.pumpWidget(buildFrame());
Material material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, Colors.black); //default
await tester.pumpWidget(buildFrame(overallShadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, shadowColor);
await tester.pumpWidget(buildFrame(themeShadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, shadowColor);
await tester.pumpWidget(buildFrame(shadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, shadowColor);
await tester.pumpWidget(buildFrame(overallShadowColor: overriddenColor, themeShadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, shadowColor);
await tester.pumpWidget(buildFrame(themeShadowColor: overriddenColor, shadowColor: shadowColor));
await tester.pumpAndSettle(); // theme animation
material = tester.widget<Material>(buttonMaterialFinder);
expect(material.shadowColor, shadowColor);
});
}