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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 '../foundation/leak_tracking.dart';
import '../rendering/mock_canvas.dart';
/// Adds the basic requirements for a Chip.
Widget wrapForChip({
required Widget child,
TextDirection textDirection = TextDirection.ltr,
double textScaleFactor = 1.0,
Brightness brightness = Brightness.light,
bool? useMaterial3,
}) {
return MaterialApp(
theme: ThemeData(brightness: brightness, useMaterial3: useMaterial3),
home: Directionality(
textDirection: textDirection,
child: MediaQuery(
data: MediaQueryData(textScaleFactor: textScaleFactor),
child: Material(child: child),
),
),
);
}
RenderBox getMaterialBox(WidgetTester tester, Finder type) {
return tester.firstRenderObject<RenderBox>(
find.descendant(
of: type,
matching: find.byType(CustomPaint),
),
);
}
Material getMaterial(WidgetTester tester) {
return tester.widget<Material>(
find.descendant(
of: find.byType(ActionChip),
matching: find.byType(Material),
),
);
}
DefaultTextStyle getLabelStyle(WidgetTester tester, String labelText) {
return tester.widget(
find.ancestor(
of: find.text(labelText),
matching: find.byType(DefaultTextStyle),
).first,
);
}
void checkChipMaterialClipBehavior(WidgetTester tester, Clip clipBehavior) {
final Iterable<Material> materials = tester.widgetList<Material>(find.byType(Material));
// There should be two Material widgets, first Material is from the "_wrapForChip" and
// last Material is from the "RawChip".
expect(materials.length, 2);
// The last Material from `RawChip` should have the clip behavior.
expect(materials.last.clipBehavior, clipBehavior);
}
void main() {
testWidgetsWithLeakTracking('ActionChip defaults', (WidgetTester tester) async {
final ThemeData theme = ThemeData(useMaterial3: true);
const String label = 'action chip';
// Test enabled ActionChip defaults.
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: Material(
child: Center(
child: ActionChip(
onPressed: () {},
label: const Text(label),
),
),
),
),
);
// Test default chip size.
expect(tester.getSize(find.byType(ActionChip)), const Size(190.0, 48.0));
// Test default label style.
expect(
getLabelStyle(tester, label).style.color!.value,
theme.textTheme.labelLarge!.color!.value,
);
Material chipMaterial = getMaterial(tester);
expect(chipMaterial.elevation, 0);
expect(chipMaterial.shadowColor, Colors.transparent);
expect(chipMaterial.surfaceTintColor, theme.colorScheme.surfaceTint);
expect(
chipMaterial.shape,
RoundedRectangleBorder(
borderRadius: const BorderRadius.all(Radius.circular(8.0)),
side: BorderSide(color: theme.colorScheme.outline),
),
);
ShapeDecoration decoration = tester.widget<Ink>(find.byType(Ink)).decoration! as ShapeDecoration;
expect(decoration.color, null);
// Test disabled ActionChip defaults.
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: const Material(
child: ActionChip(
label: Text(label),
),
),
),
);
await tester.pumpAndSettle();
chipMaterial = getMaterial(tester);
expect(chipMaterial.elevation, 0);
expect(chipMaterial.shadowColor, Colors.transparent);
expect(chipMaterial.surfaceTintColor, theme.colorScheme.surfaceTint);
expect(
chipMaterial.shape,
RoundedRectangleBorder(
borderRadius: const BorderRadius.all(Radius.circular(8.0)),
side: BorderSide(color: theme.colorScheme.onSurface.withOpacity(0.12)),
),
);
decoration = tester.widget<Ink>(find.byType(Ink)).decoration! as ShapeDecoration;
expect(decoration.color, null);
});
testWidgetsWithLeakTracking('ActionChip.elevated defaults', (WidgetTester tester) async {
final ThemeData theme = ThemeData(useMaterial3: true);
const String label = 'action chip';
// Test enabled ActionChip defaults.
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: Material(
child: Center(
child: ActionChip.elevated(
onPressed: () {},
label: const Text(label),
),
),
),
),
);
// Test default chip size.
expect(tester.getSize(find.byType(ActionChip)), const Size(190.0, 48.0));
// Test default label style.
expect(
getLabelStyle(tester, label).style.color!.value,
theme.textTheme.labelLarge!.color!.value,
);
Material chipMaterial = getMaterial(tester);
expect(chipMaterial.elevation, 1);
expect(chipMaterial.shadowColor, theme.colorScheme.shadow);
expect(chipMaterial.surfaceTintColor, theme.colorScheme.surfaceTint);
expect(
chipMaterial.shape,
const RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(8.0)),
side: BorderSide(color: Colors.transparent),
),
);
ShapeDecoration decoration = tester.widget<Ink>(find.byType(Ink)).decoration! as ShapeDecoration;
expect(decoration.color, null);
// Test disabled ActionChip.elevated defaults.
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: const Material(
child: ActionChip.elevated(
label: Text(label),
),
),
),
);
await tester.pumpAndSettle();
chipMaterial = getMaterial(tester);
expect(chipMaterial.elevation, 0);
expect(chipMaterial.shadowColor, theme.colorScheme.shadow);
expect(chipMaterial.surfaceTintColor, theme.colorScheme.surfaceTint);
expect(
chipMaterial.shape,
const RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(8.0)),
side: BorderSide(color: Colors.transparent),
),
);
decoration = tester.widget<Ink>(find.byType(Ink)).decoration! as ShapeDecoration;
expect(decoration.color, theme.colorScheme.onSurface.withOpacity(0.12));
});
testWidgetsWithLeakTracking('ActionChip.color resolves material states', (WidgetTester tester) async {
const Color disabledColor = Color(0xff00ff00);
const Color backgroundColor = Color(0xff0000ff);
final MaterialStateProperty<Color?> color = MaterialStateProperty.resolveWith((Set<MaterialState> states) {
if (states.contains(MaterialState.disabled)) {
return disabledColor;
}
return backgroundColor;
});
Widget buildApp({ required bool enabled, required bool selected }) {
return wrapForChip(
useMaterial3: true,
child: Column(
children: <Widget>[
ActionChip(
onPressed: enabled ? () { } : null,
color: color,
label: const Text('ActionChip'),
),
ActionChip.elevated(
onPressed: enabled ? () { } : null,
color: color,
label: const Text('ActionChip.elevated'),
),
],
),
);
}
// Test enabled state.
await tester.pumpWidget(buildApp(enabled: true, selected: false));
// Enabled ActionChip should have the provided backgroundColor.
expect(
getMaterialBox(tester, find.byType(RawChip).first),
paints..rrect(color: backgroundColor),
);
// Enabled elevated ActionChip should have the provided backgroundColor.
expect(
getMaterialBox(tester, find.byType(RawChip).last),
paints..rrect(color: backgroundColor),
);
// Test disabled state.
await tester.pumpWidget(buildApp(enabled: false, selected: false));
await tester.pumpAndSettle();
// Disabled ActionChip should have the provided disabledColor.
expect(
getMaterialBox(tester, find.byType(RawChip).first),
paints..rrect(color: disabledColor),
);
// Disabled elevated ActionChip should have the provided disabledColor.
expect(
getMaterialBox(tester, find.byType(RawChip).last),
paints..rrect(color: disabledColor),
);
});
testWidgetsWithLeakTracking('ActionChip uses provided state color properties', (WidgetTester tester) async {
const Color disabledColor = Color(0xff00ff00);
const Color backgroundColor = Color(0xff0000ff);
Widget buildApp({ required bool enabled, required bool selected }) {
return wrapForChip(
useMaterial3: true,
child: Column(
children: <Widget>[
ActionChip(
onPressed: enabled ? () { } : null,
disabledColor: disabledColor,
backgroundColor: backgroundColor,
label: const Text('ActionChip'),
),
ActionChip.elevated(
onPressed: enabled ? () { } : null,
disabledColor: disabledColor,
backgroundColor: backgroundColor,
label: const Text('ActionChip.elevated'),
),
],
),
);
}
// Test enabled state.
await tester.pumpWidget(buildApp(enabled: true, selected: false));
// Enabled ActionChip should have the provided backgroundColor.
expect(
getMaterialBox(tester, find.byType(RawChip).first),
paints..rrect(color: backgroundColor),
);
// Enabled elevated ActionChip should have the provided backgroundColor.
expect(
getMaterialBox(tester, find.byType(RawChip).last),
paints..rrect(color: backgroundColor),
);
// Test disabled state.
await tester.pumpWidget(buildApp(enabled: false, selected: false));
await tester.pumpAndSettle();
// Disabled ActionChip should have the provided disabledColor.
expect(
getMaterialBox(tester, find.byType(RawChip).first),
paints..rrect(color: disabledColor),
);
// Disabled elevated ActionChip should have the provided disabledColor.
expect(
getMaterialBox(tester, find.byType(RawChip).last),
paints..rrect(color: disabledColor),
);
});
testWidgetsWithLeakTracking('ActionChip can be tapped', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: Material(
child: ActionChip(
onPressed: () { },
label: const Text('action chip'),
),
),
),
);
await tester.tap(find.byType(ActionChip));
expect(tester.takeException(), null);
});
testWidgetsWithLeakTracking('ActionChip clipBehavior properly passes through to the Material', (WidgetTester tester) async {
const Text label = Text('label');
await tester.pumpWidget(wrapForChip(child: ActionChip(label: label, onPressed: () { })));
checkChipMaterialClipBehavior(tester, Clip.none);
await tester.pumpWidget(wrapForChip(child: ActionChip(label: label, clipBehavior: Clip.antiAlias, onPressed: () { })));
checkChipMaterialClipBehavior(tester, Clip.antiAlias);
});
}