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// Copyright 2018 The Chromium 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('ButtonThemeData defaults', () {
const ButtonThemeData theme = const ButtonThemeData();
expect(theme.textTheme, ButtonTextTheme.normal);
expect(theme.constraints, const BoxConstraints(minWidth: 88.0, minHeight: 36.0));
expect(theme.padding, const EdgeInsets.symmetric(horizontal: 16.0));
expect(theme.shape, const RoundedRectangleBorder(
borderRadius: const BorderRadius.all(const Radius.circular(2.0)),
));
expect(theme.alignedDropdown, false);
});
test('ButtonThemeData default overrides', () {
const ButtonThemeData theme = const ButtonThemeData(
textTheme: ButtonTextTheme.primary,
minWidth: 100.0,
height: 200.0,
padding: EdgeInsets.zero,
shape: const RoundedRectangleBorder(),
alignedDropdown: true,
);
expect(theme.textTheme, ButtonTextTheme.primary);
expect(theme.constraints, const BoxConstraints(minWidth: 100.0, minHeight: 200.0));
expect(theme.padding, EdgeInsets.zero);
expect(theme.shape, const RoundedRectangleBorder());
expect(theme.alignedDropdown, true);
});
testWidgets('ButtonTheme defaults', (WidgetTester tester) async {
ButtonTextTheme textTheme;
BoxConstraints constraints;
EdgeInsets padding;
ShapeBorder shape;
await tester.pumpWidget(
new ButtonTheme(
child: new Builder(
builder: (BuildContext context) {
final ButtonThemeData theme = ButtonTheme.of(context);
textTheme = theme.textTheme;
constraints = theme.constraints;
padding = theme.padding;
shape = theme.shape;
return new Container(
alignment: Alignment.topLeft,
child: const Directionality(
textDirection: TextDirection.ltr,
child: const FlatButton(
onPressed: null,
child: const Text('b'), // intrinsic width < minimum width
),
),
);
},
),
),
);
expect(textTheme, ButtonTextTheme.normal);
expect(constraints, const BoxConstraints(minWidth: 88.0, minHeight: 36.0));
expect(padding, const EdgeInsets.symmetric(horizontal: 16.0));
expect(shape, const RoundedRectangleBorder(
borderRadius: const BorderRadius.all(const Radius.circular(2.0)),
));
expect(tester.widget<Material>(find.byType(Material)).shape, shape);
expect(tester.getSize(find.byType(Material)), const Size(88.0, 36.0));
});
test('ButtonThemeData.copyWith', () {
ButtonThemeData theme = const ButtonThemeData().copyWith();
expect(theme.textTheme, ButtonTextTheme.normal);
expect(theme.constraints, const BoxConstraints(minWidth: 88.0, minHeight: 36.0));
expect(theme.padding, const EdgeInsets.symmetric(horizontal: 16.0));
expect(theme.shape, const RoundedRectangleBorder(
borderRadius: const BorderRadius.all(const Radius.circular(2.0)),
));
expect(theme.alignedDropdown, false);
theme = const ButtonThemeData().copyWith(
textTheme: ButtonTextTheme.primary,
minWidth: 100.0,
height: 200.0,
padding: EdgeInsets.zero,
shape: const StadiumBorder(),
alignedDropdown: true,
);
expect(theme.textTheme, ButtonTextTheme.primary);
expect(theme.constraints, const BoxConstraints(minWidth: 100.0, minHeight: 200.0));
expect(theme.padding, EdgeInsets.zero);
expect(theme.shape, const StadiumBorder());
expect(theme.alignedDropdown, true);
});
testWidgets('Theme buttonTheme defaults', (WidgetTester tester) async {
final ThemeData lightTheme = new ThemeData.light();
ButtonTextTheme textTheme;
BoxConstraints constraints;
EdgeInsets padding;
ShapeBorder shape;
await tester.pumpWidget(
new Theme(
data: lightTheme.copyWith(
disabledColor: const Color(0xFF00FF00), // disabled RaisedButton fill color
textTheme: lightTheme.textTheme.copyWith(
button: lightTheme.textTheme.button.copyWith(
// The button's height will match because there's no
// vertical padding by default
fontSize: 48.0,
),
),
),
child: new Builder(
builder: (BuildContext context) {
final ButtonThemeData theme = ButtonTheme.of(context);
textTheme = theme.textTheme;
constraints = theme.constraints;
padding = theme.padding;
shape = theme.shape;
return new Container(
alignment: Alignment.topLeft,
child: const Directionality(
textDirection: TextDirection.ltr,
child: const RaisedButton(
onPressed: null,
child: const Text('b'), // intrinsic width < minimum width
),
),
);
},
),
),
);
expect(textTheme, ButtonTextTheme.normal);
expect(constraints, const BoxConstraints(minWidth: 88.0, minHeight: 36.0));
expect(padding, const EdgeInsets.symmetric(horizontal: 16.0));
expect(shape, const RoundedRectangleBorder(
borderRadius: const BorderRadius.all(const Radius.circular(2.0)),
));
expect(tester.widget<Material>(find.byType(Material)).shape, shape);
expect(tester.widget<Material>(find.byType(Material)).color, const Color(0xFF00FF00));
expect(tester.getSize(find.byType(Material)), const Size(88.0, 48.0));
});
testWidgets('Theme buttonTheme ButtonTheme overrides', (WidgetTester tester) async {
ButtonTextTheme textTheme;
BoxConstraints constraints;
EdgeInsets padding;
ShapeBorder shape;
await tester.pumpWidget(
new Theme(
data: new ThemeData.light().copyWith(
buttonColor: const Color(0xFF00FF00), // enabled RaisedButton fill color
),
child: new ButtonTheme(
textTheme: ButtonTextTheme.primary,
minWidth: 100.0,
height: 200.0,
padding: EdgeInsets.zero,
shape: const RoundedRectangleBorder(),
child: new Builder(
builder: (BuildContext context) {
final ButtonThemeData theme = ButtonTheme.of(context);
textTheme = theme.textTheme;
constraints = theme.constraints;
padding = theme.padding;
shape = theme.shape;
return new Container(
alignment: Alignment.topLeft,
child: new Directionality(
textDirection: TextDirection.ltr,
child: new RaisedButton(
onPressed: () { },
child: const Text('b'), // intrinsic width < minimum width
),
),
);
},
),
),
),
);
expect(textTheme, ButtonTextTheme.primary);
expect(constraints, const BoxConstraints(minWidth: 100.0, minHeight: 200.0));
expect(padding, EdgeInsets.zero);
expect(shape, const RoundedRectangleBorder());
expect(tester.widget<Material>(find.byType(Material)).shape, shape);
expect(tester.widget<Material>(find.byType(Material)).color, const Color(0xFF00FF00));
expect(tester.getSize(find.byType(Material)), const Size(100.0, 200.0));
});
testWidgets('ButtonTheme alignedDropdown', (WidgetTester tester) async {
final Key dropdownKey = new UniqueKey();
Widget buildFrame({ bool alignedDropdown, TextDirection textDirection }) {
return new MaterialApp(
builder: (BuildContext context, Widget child) {
return new Directionality(
textDirection: textDirection,
child: child,
);
},
home: new ButtonTheme(
alignedDropdown: alignedDropdown,
child: new Material(
child: new Builder(
builder: (BuildContext context) {
return new Container(
alignment: Alignment.center,
child: new DropdownButtonHideUnderline(
child: new Container(
width: 200.0,
child: new DropdownButton<String>(
key: dropdownKey,
onChanged: (String value) { },
value: 'foo',
items: const <DropdownMenuItem<String>>[
const DropdownMenuItem<String>(
value: 'foo',
child: const Text('foo'),
),
const DropdownMenuItem<String>(
value: 'bar',
child: const Text('bar'),
),
],
),
),
),
);
},
),
),
),
);
}
final Finder button = find.byKey(dropdownKey);
final Finder menu = find.byWidgetPredicate((Widget w) => '${w.runtimeType}' == '_DropdownMenu<String>');
await tester.pumpWidget(
buildFrame(
alignedDropdown: false,
textDirection: TextDirection.ltr,
),
);
await tester.tap(button);
await tester.pumpAndSettle();
// 240 = 200.0 (button width) + _kUnalignedMenuMargin (20.0 left and right)
expect(tester.getSize(button).width, 200.0);
expect(tester.getSize(menu).width, 240.0);
// Dismiss the menu.
await tester.tapAt(Offset.zero);
await tester.pumpAndSettle();
expect(menu, findsNothing);
await tester.pumpWidget(
buildFrame(
alignedDropdown: true,
textDirection: TextDirection.ltr,
),
);
await tester.tap(button);
await tester.pumpAndSettle();
// Aligneddropdown: true means the button and menu widths match
expect(tester.getSize(button).width, 200.0);
expect(tester.getSize(menu).width, 200.0);
// There are two 'foo' widgets: the selected menu item's label and the drop
// down button's label. The should both appear at the same location.
final Finder fooText = find.text('foo');
expect(fooText, findsNWidgets(2));
expect(tester.getRect(fooText.at(0)), tester.getRect(fooText.at(1)));
// Dismiss the menu.
await tester.tapAt(Offset.zero);
await tester.pumpAndSettle();
expect(menu, findsNothing);
// Same test as above execpt RTL
await tester.pumpWidget(
buildFrame(
alignedDropdown: true,
textDirection: TextDirection.rtl,
),
);
await tester.tap(button);
await tester.pumpAndSettle();
expect(fooText, findsNWidgets(2));
expect(tester.getRect(fooText.at(0)), tester.getRect(fooText.at(1)));
});
}