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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/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
test('BottomSheetThemeData copyWith, ==, hashCode basics', () {
expect(const BottomSheetThemeData(), const BottomSheetThemeData().copyWith());
expect(const BottomSheetThemeData().hashCode, const BottomSheetThemeData().copyWith().hashCode);
});
test('BottomSheetThemeData null fields by default', () {
const BottomSheetThemeData bottomSheetTheme = BottomSheetThemeData();
expect(bottomSheetTheme.backgroundColor, null);
expect(bottomSheetTheme.elevation, null);
expect(bottomSheetTheme.shape, null);
expect(bottomSheetTheme.clipBehavior, null);
expect(bottomSheetTheme.constraints, null);
});
testWidgets('Default BottomSheetThemeData debugFillProperties', (WidgetTester tester) async {
final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
const BottomSheetThemeData().debugFillProperties(builder);
final List<String> description = builder.properties
.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
.map((DiagnosticsNode node) => node.toString())
.toList();
expect(description, <String>[]);
});
testWidgets('BottomSheetThemeData implements debugFillProperties', (WidgetTester tester) async {
final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
const BottomSheetThemeData(
backgroundColor: Color(0xFFFFFFFF),
elevation: 2.0,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(2.0))),
clipBehavior: Clip.antiAlias,
constraints: BoxConstraints(minWidth: 200, maxWidth: 640),
).debugFillProperties(builder);
final List<String> description = builder.properties
.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
.map((DiagnosticsNode node) => node.toString())
.toList();
expect(description, <String>[
'backgroundColor: Color(0xffffffff)',
'elevation: 2.0',
'shape: RoundedRectangleBorder(BorderSide(Color(0xff000000), 0.0, BorderStyle.none), BorderRadius.circular(2.0))',
'clipBehavior: Clip.antiAlias',
'constraints: BoxConstraints(200.0<=w<=640.0, 0.0<=h<=Infinity)',
]);
});
testWidgets('Passing no BottomSheetThemeData returns defaults', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
home: Scaffold(
body: BottomSheet(
onClosing: () {},
builder: (BuildContext context) {
return Container();
},
),
),
));
final Material material = tester.widget<Material>(
find.descendant(
of: find.byType(BottomSheet),
matching: find.byType(Material),
),
);
expect(material.color, null);
expect(material.elevation, 0.0);
expect(material.shape, null);
expect(material.clipBehavior, Clip.none);
});
testWidgets('BottomSheet uses values from BottomSheetThemeData', (WidgetTester tester) async {
final BottomSheetThemeData bottomSheetTheme = _bottomSheetTheme();
await tester.pumpWidget(MaterialApp(
theme: ThemeData(bottomSheetTheme: bottomSheetTheme),
home: Scaffold(
body: BottomSheet(
onClosing: () {},
builder: (BuildContext context) {
return Container();
},
),
),
));
final Material material = tester.widget<Material>(
find.descendant(
of: find.byType(BottomSheet),
matching: find.byType(Material),
),
);
expect(material.color, bottomSheetTheme.backgroundColor);
expect(material.elevation, bottomSheetTheme.elevation);
expect(material.shape, bottomSheetTheme.shape);
expect(material.clipBehavior, bottomSheetTheme.clipBehavior);
});
testWidgets('BottomSheet widget properties take priority over theme', (WidgetTester tester) async {
const Color backgroundColor = Colors.purple;
const double elevation = 7.0;
const ShapeBorder shape = RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(9.0)),
);
const Clip clipBehavior = Clip.hardEdge;
await tester.pumpWidget(MaterialApp(
theme: ThemeData(bottomSheetTheme: _bottomSheetTheme()),
home: Scaffold(
body: BottomSheet(
backgroundColor: backgroundColor,
elevation: elevation,
shape: shape,
clipBehavior: Clip.hardEdge,
onClosing: () {},
builder: (BuildContext context) {
return Container();
},
),
),
));
final Material material = tester.widget<Material>(
find.descendant(
of: find.byType(BottomSheet),
matching: find.byType(Material),
),
);
expect(material.color, backgroundColor);
expect(material.elevation, elevation);
expect(material.shape, shape);
expect(material.clipBehavior, clipBehavior);
});
testWidgets('Modal bottom sheet-specific parameters are used for modal bottom sheets', (WidgetTester tester) async {
const double modalElevation = 5.0;
const double persistentElevation = 7.0;
const Color modalBackgroundColor = Colors.yellow;
const Color persistentBackgroundColor = Colors.red;
const BottomSheetThemeData bottomSheetTheme = BottomSheetThemeData(
elevation: persistentElevation,
modalElevation: modalElevation,
backgroundColor: persistentBackgroundColor,
modalBackgroundColor: modalBackgroundColor,
);
await tester.pumpWidget(bottomSheetWithElevations(bottomSheetTheme));
await tester.tap(find.text('Show Modal'));
await tester.pumpAndSettle();
final Material material = tester.widget<Material>(
find.descendant(
of: find.byType(BottomSheet),
matching: find.byType(Material),
),
);
expect(material.elevation, modalElevation);
expect(material.color, modalBackgroundColor);
});
testWidgets('General bottom sheet parameters take priority over modal bottom sheet-specific parameters for persistent bottom sheets', (WidgetTester tester) async {
const double modalElevation = 5.0;
const double persistentElevation = 7.0;
const Color modalBackgroundColor = Colors.yellow;
const Color persistentBackgroundColor = Colors.red;
const BottomSheetThemeData bottomSheetTheme = BottomSheetThemeData(
elevation: persistentElevation,
modalElevation: modalElevation,
backgroundColor: persistentBackgroundColor,
modalBackgroundColor: modalBackgroundColor,
);
await tester.pumpWidget(bottomSheetWithElevations(bottomSheetTheme));
await tester.tap(find.text('Show Persistent'));
await tester.pumpAndSettle();
final Material material = tester.widget<Material>(
find.descendant(
of: find.byType(BottomSheet),
matching: find.byType(Material),
),
);
expect(material.elevation, persistentElevation);
expect(material.color, persistentBackgroundColor);
});
testWidgets("Modal bottom sheet-specific parameters don't apply to persistent bottom sheets", (WidgetTester tester) async {
const double modalElevation = 5.0;
const Color modalBackgroundColor = Colors.yellow;
const BottomSheetThemeData bottomSheetTheme = BottomSheetThemeData(
modalElevation: modalElevation,
modalBackgroundColor: modalBackgroundColor,
);
await tester.pumpWidget(bottomSheetWithElevations(bottomSheetTheme));
await tester.tap(find.text('Show Persistent'));
await tester.pumpAndSettle();
final Material material = tester.widget<Material>(
find.descendant(
of: find.byType(BottomSheet),
matching: find.byType(Material),
),
);
expect(material.elevation, 0);
expect(material.color, null);
});
testWidgets('Modal bottom sheets respond to theme changes', (WidgetTester tester) async {
const double lightElevation = 5.0;
const double darkElevation = 3.0;
const Color lightBackgroundColor = Colors.green;
const Color darkBackgroundColor = Colors.grey;
await tester.pumpWidget(MaterialApp(
theme: ThemeData.light().copyWith(
bottomSheetTheme: const BottomSheetThemeData(
elevation: lightElevation,
backgroundColor: lightBackgroundColor,
),
),
darkTheme: ThemeData.dark().copyWith(
bottomSheetTheme: const BottomSheetThemeData(
elevation: darkElevation,
backgroundColor: darkBackgroundColor,
),
),
home: Scaffold(
body: Builder(
builder: (BuildContext context) {
return Column(
children: <Widget>[
RawMaterialButton(
child: const Text('Show Modal'),
onPressed: () {
showModalBottomSheet<void>(
context: context,
builder: (BuildContext context) {
return const Text('This is a modal bottom sheet.');
},
);
},
),
],
);
},
),
),
));
await tester.tap(find.text('Show Modal'));
await tester.pumpAndSettle();
final Material lightMaterial = tester.widget<Material>(
find.descendant(
of: find.byType(BottomSheet),
matching: find.byType(Material),
),
);
expect(lightMaterial.elevation, lightElevation);
expect(lightMaterial.color, lightBackgroundColor);
// Simulate the user changing to dark theme
tester.binding.platformDispatcher.platformBrightnessTestValue = Brightness.dark;
await tester.pumpAndSettle();
final Material darkMaterial = tester.widget<Material>(
find.descendant(
of: find.byType(BottomSheet),
matching: find.byType(Material),
),
);
expect(darkMaterial.elevation, darkElevation);
expect(darkMaterial.color, darkBackgroundColor);
});
}
Widget bottomSheetWithElevations(BottomSheetThemeData bottomSheetTheme) {
return MaterialApp(
theme: ThemeData(bottomSheetTheme: bottomSheetTheme),
home: Scaffold(
body: Builder(
builder: (BuildContext context) {
return Column(
children: <Widget>[
RawMaterialButton(
child: const Text('Show Modal'),
onPressed: () {
showModalBottomSheet<void>(
context: context,
builder: (BuildContext _) {
return const Text(
'This is a modal bottom sheet.',
);
},
);
},
),
RawMaterialButton(
child: const Text('Show Persistent'),
onPressed: () {
showBottomSheet<void>(
context: context,
builder: (BuildContext _) {
return const Text(
'This is a persistent bottom sheet.',
);
},
);
},
),
],
);
},
),
),
);
}
BottomSheetThemeData _bottomSheetTheme() {
return const BottomSheetThemeData(
backgroundColor: Colors.orange,
elevation: 12.0,
shape: BeveledRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(12))),
clipBehavior: Clip.antiAlias,
);
}