blob: 2c1ce974edbbdc56a684da0e57e4e59be946c01e [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/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
test('SnackBarThemeData copyWith, ==, hashCode basics', () {
expect(const SnackBarThemeData(), const SnackBarThemeData().copyWith());
expect(const SnackBarThemeData().hashCode, const SnackBarThemeData().copyWith().hashCode);
});
test('SnackBarThemeData null fields by default', () {
const SnackBarThemeData snackBarTheme = SnackBarThemeData();
expect(snackBarTheme.backgroundColor, null);
expect(snackBarTheme.actionTextColor, null);
expect(snackBarTheme.disabledActionTextColor, null);
expect(snackBarTheme.contentTextStyle, null);
expect(snackBarTheme.elevation, null);
expect(snackBarTheme.shape, null);
expect(snackBarTheme.behavior, null);
});
testWidgets('Default SnackBarThemeData debugFillProperties', (WidgetTester tester) async {
final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
const SnackBarThemeData().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('SnackBarThemeData implements debugFillProperties', (WidgetTester tester) async {
final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
SnackBarThemeData(
backgroundColor: const Color(0xFFFFFFFF),
actionTextColor: const Color(0xFF0000AA),
disabledActionTextColor: const Color(0xFF00AA00),
contentTextStyle: const TextStyle(color: Color(0xFF123456)),
elevation: 2.0,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(2.0)),
behavior: SnackBarBehavior.floating,
).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)',
'actionTextColor: Color(0xff0000aa)',
'disabledActionTextColor: Color(0xff00aa00)',
'contentTextStyle: TextStyle(inherit: true, color: Color(0xff123456))',
'elevation: 2.0',
'shape: RoundedRectangleBorder(BorderSide(Color(0xff000000), 0.0, BorderStyle.none), BorderRadius.circular(2.0))',
'behavior: SnackBarBehavior.floating',
]);
});
testWidgets('Passing no SnackBarThemeData returns defaults', (WidgetTester tester) async {
const String text = 'I am a snack bar.';
await tester.pumpWidget(MaterialApp(
home: Scaffold(
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
ScaffoldMessenger.of(context)!.showSnackBar(SnackBar(
content: const Text(text),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
));
},
child: const Text('X'),
);
}
),
),
));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750));
final Material material = _getSnackBarMaterial(tester);
final RenderParagraph content = _getSnackBarTextRenderObject(tester, text);
expect(content.text.style, Typography.material2018().white.subtitle1);
expect(material.color, const Color(0xFF333333));
expect(material.elevation, 6.0);
expect(material.shape, null);
});
testWidgets('SnackBar uses values from SnackBarThemeData', (WidgetTester tester) async {
const String text = 'I am a snack bar.';
const String action = 'ACTION';
final SnackBarThemeData snackBarTheme = _snackBarTheme();
await tester.pumpWidget(MaterialApp(
theme: ThemeData(snackBarTheme: snackBarTheme),
home: Scaffold(
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
ScaffoldMessenger.of(context)!.showSnackBar(SnackBar(
content: const Text(text),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: action, onPressed: () {}),
));
},
child: const Text('X'),
);
}
),
),
));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750));
final Material material = _getSnackBarMaterial(tester);
final RenderParagraph button = _getSnackBarActionTextRenderObject(tester, action);
final RenderParagraph content = _getSnackBarTextRenderObject(tester, text);
expect(content.text.style, snackBarTheme.contentTextStyle);
expect(material.color, snackBarTheme.backgroundColor);
expect(material.elevation, snackBarTheme.elevation);
expect(material.shape, snackBarTheme.shape);
expect(button.text.style!.color, snackBarTheme.actionTextColor);
});
testWidgets('SnackBar widget properties take priority over theme', (WidgetTester tester) async {
const Color backgroundColor = Colors.purple;
const Color textColor = Colors.pink;
const double elevation = 7.0;
const String action = 'ACTION';
const ShapeBorder shape = RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(9.0)),
);
await tester.pumpWidget(MaterialApp(
theme: ThemeData(snackBarTheme: _snackBarTheme()),
home: Scaffold(
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
ScaffoldMessenger.of(context)!.showSnackBar(SnackBar(
backgroundColor: backgroundColor,
elevation: elevation,
shape: shape,
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(
textColor: textColor,
label: action,
onPressed: () {},
),
));
},
child: const Text('X'),
);
}
),
),
));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750));
final Material material = _getSnackBarMaterial(tester);
final RenderParagraph button = _getSnackBarActionTextRenderObject(tester, action);
expect(material.color, backgroundColor);
expect(material.elevation, elevation);
expect(material.shape, shape);
expect(button.text.style!.color, textColor);
});
testWidgets('SnackBar theme behavior is correct for floating', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
theme: ThemeData(
snackBarTheme: const SnackBarThemeData(behavior: SnackBarBehavior.floating,)
),
home: Scaffold(
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.send),
onPressed: () {},
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
ScaffoldMessenger.of(context)!.showSnackBar(SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
));
},
child: const Text('X'),
);
},
),
),
));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750));
final RenderBox snackBarBox = tester.firstRenderObject(find.byType(SnackBar));
final RenderBox floatingActionButtonBox = tester.firstRenderObject(find.byType(FloatingActionButton));
final Offset snackBarBottomCenter = snackBarBox.localToGlobal(snackBarBox.size.bottomCenter(Offset.zero));
final Offset floatingActionButtonTopCenter = floatingActionButtonBox.localToGlobal(floatingActionButtonBox.size.topCenter(Offset.zero));
// Since padding and margin is handled inside snackBarBox,
// the bottom offset of snackbar should equal with top offset of FAB
expect(snackBarBottomCenter.dy == floatingActionButtonTopCenter.dy, true);
});
testWidgets('SnackBar theme behavior is correct for fixed', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
theme: ThemeData(
snackBarTheme: const SnackBarThemeData(behavior: SnackBarBehavior.fixed,)
),
home: Scaffold(
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.send),
onPressed: () {},
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
ScaffoldMessenger.of(context)!.showSnackBar(SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
));
},
child: const Text('X'),
);
},
),
),
));
final RenderBox floatingActionButtonOriginBox= tester.firstRenderObject(find.byType(FloatingActionButton));
final Offset floatingActionButtonOriginBottomCenter = floatingActionButtonOriginBox.localToGlobal(floatingActionButtonOriginBox.size.bottomCenter(Offset.zero));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750));
final RenderBox snackBarBox = tester.firstRenderObject(find.byType(SnackBar));
final RenderBox floatingActionButtonBox = tester.firstRenderObject(find.byType(FloatingActionButton));
final Offset snackBarTopCenter = snackBarBox.localToGlobal(snackBarBox.size.topCenter(Offset.zero));
final Offset floatingActionButtonBottomCenter = floatingActionButtonBox.localToGlobal(floatingActionButtonBox.size.bottomCenter(Offset.zero));
expect(floatingActionButtonOriginBottomCenter.dy > floatingActionButtonBottomCenter.dy, true);
expect(snackBarTopCenter.dy > floatingActionButtonBottomCenter.dy, true);
});
}
SnackBarThemeData _snackBarTheme() {
return SnackBarThemeData(
backgroundColor: Colors.orange,
actionTextColor: Colors.green,
contentTextStyle: const TextStyle(color: Colors.blue),
elevation: 12.0,
shape: BeveledRectangleBorder(borderRadius: BorderRadius.circular(12)),
);
}
Material _getSnackBarMaterial(WidgetTester tester) {
return tester.widget<Material>(
find.descendant(
of: find.byType(SnackBar),
matching: find.byType(Material),
).first,
);
}
RenderParagraph _getSnackBarActionTextRenderObject(WidgetTester tester, String text) {
return tester.renderObject(find.descendant(
of: find.byType(TextButton),
matching: find.text(text),
));
}
RenderParagraph _getSnackBarTextRenderObject(WidgetTester tester, String text) {
return tester.renderObject(find.descendant(
of: find.byType(SnackBar),
matching: find.text(text),
));
}