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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';
void main() {
test('CardTheme copyWith, ==, hashCode basics', () {
expect(const CardTheme(), const CardTheme().copyWith());
expect(const CardTheme().hashCode, const CardTheme().copyWith().hashCode);
});
testWidgets('Passing no CardTheme returns defaults', (WidgetTester tester) async {
await tester.pumpWidget(const MaterialApp(
home: Scaffold(
body: Card(),
),
));
final Container container = _getCardContainer(tester);
final Material material = _getCardMaterial(tester);
expect(material.clipBehavior, Clip.none);
expect(material.color, Colors.white);
expect(material.elevation, 1.0);
expect(container.margin, const EdgeInsets.all(4.0));
expect(material.shape, const RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(4.0)),
));
});
testWidgets('Card uses values from CardTheme', (WidgetTester tester) async {
final CardTheme cardTheme = _cardTheme();
await tester.pumpWidget(MaterialApp(
theme: ThemeData(cardTheme: cardTheme),
home: const Scaffold(
body: Card(),
),
));
final Container container = _getCardContainer(tester);
final Material material = _getCardMaterial(tester);
expect(material.clipBehavior, cardTheme.clipBehavior);
expect(material.color, cardTheme.color);
expect(material.shadowColor, cardTheme.shadowColor);
expect(material.elevation, cardTheme.elevation);
expect(container.margin, cardTheme.margin);
expect(material.shape, cardTheme.shape);
});
testWidgets('Card widget properties take priority over theme', (WidgetTester tester) async {
const Clip clip = Clip.hardEdge;
const Color color = Colors.orange;
const Color shadowColor = Colors.pink;
const double elevation = 7.0;
const EdgeInsets margin = EdgeInsets.all(3.0);
const ShapeBorder shape = RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(9.0)),
);
await tester.pumpWidget(MaterialApp(
theme: _themeData().copyWith(cardTheme: _cardTheme()),
home: const Scaffold(
body: Card(
clipBehavior: clip,
color: color,
shadowColor: shadowColor,
elevation: elevation,
margin: margin,
shape: shape,
),
),
));
final Container container = _getCardContainer(tester);
final Material material = _getCardMaterial(tester);
expect(material.clipBehavior, clip);
expect(material.color, color);
expect(material.shadowColor, shadowColor);
expect(material.elevation, elevation);
expect(container.margin, margin);
expect(material.shape, shape);
});
testWidgets('CardTheme properties take priority over ThemeData properties', (WidgetTester tester) async {
final CardTheme cardTheme = _cardTheme();
final ThemeData themeData = _themeData().copyWith(cardTheme: cardTheme);
await tester.pumpWidget(MaterialApp(
theme: themeData,
home: const Scaffold(
body: Card(),
),
));
final Material material = _getCardMaterial(tester);
expect(material.color, cardTheme.color);
});
testWidgets('ThemeData properties are used when no CardTheme is set', (WidgetTester tester) async {
final ThemeData themeData = _themeData();
await tester.pumpWidget(MaterialApp(
theme: themeData,
home: const Scaffold(
body: Card(),
),
));
final Material material = _getCardMaterial(tester);
expect(material.color, themeData.cardColor);
});
testWidgets('CardTheme customizes shape', (WidgetTester tester) async {
const CardTheme cardTheme = CardTheme(
color: Colors.white,
shape: BeveledRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(7))),
elevation: 1.0,
);
final Key painterKey = UniqueKey();
await tester.pumpWidget(MaterialApp(
theme: ThemeData(cardTheme: cardTheme),
home: Scaffold(
body: RepaintBoundary(
key: painterKey,
child: Center(
child: Card(
child: SizedBox.fromSize(size: const Size(200, 300),),
),
),
),
),
));
await expectLater(
find.byKey(painterKey),
matchesGoldenFile('card_theme.custom_shape.png'),
);
});
}
CardTheme _cardTheme() {
return const CardTheme(
clipBehavior: Clip.antiAlias,
color: Colors.green,
shadowColor: Colors.red,
elevation: 6.0,
margin: EdgeInsets.all(7.0),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(5.0)),
),
);
}
ThemeData _themeData() {
return ThemeData(
cardColor: Colors.pink,
);
}
Material _getCardMaterial(WidgetTester tester) {
return tester.widget<Material>(
find.descendant(
of: find.byType(Card),
matching: find.byType(Material),
),
);
}
Container _getCardContainer(WidgetTester tester) {
return tester.widget<Container>(
find.descendant(
of: find.byType(Card),
matching: find.byType(Container),
),
);
}