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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';
MaterialApp _appWithDialog(WidgetTester tester, Widget dialog, { ThemeData? theme }) {
return MaterialApp(
theme: theme,
home: Material(
child: Builder(
builder: (BuildContext context) {
return Center(
child: ElevatedButton(
child: const Text('X'),
onPressed: () {
showDialog<void>(
context: context,
builder: (BuildContext context) {
return RepaintBoundary(key: _painterKey, child: dialog);
},
);
},
),
);
},
),
),
);
}
final Key _painterKey = UniqueKey();
Material _getMaterialFromDialog(WidgetTester tester) {
return tester.widget<Material>(find.descendant(of: find.byType(AlertDialog), matching: find.byType(Material)));
}
RenderParagraph _getTextRenderObject(WidgetTester tester, String text) {
return tester.element<StatelessElement>(find.text(text)).renderObject! as RenderParagraph;
}
void main() {
testWidgets('Dialog Theme implements debugFillProperties', (WidgetTester tester) async {
final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
const DialogTheme(
backgroundColor: Color(0xff123456),
elevation: 8.0,
shape: null,
titleTextStyle: TextStyle(color: Color(0xffffffff)),
contentTextStyle: TextStyle(color: Color(0xff000000)),
).debugFillProperties(builder);
final List<String> description = builder.properties
.where((DiagnosticsNode n) => !n.isFiltered(DiagnosticLevel.info))
.map((DiagnosticsNode n) => n.toString()).toList();
expect(description, <String>[
'backgroundColor: Color(0xff123456)',
'elevation: 8.0',
'titleTextStyle: TextStyle(inherit: true, color: Color(0xffffffff))',
'contentTextStyle: TextStyle(inherit: true, color: Color(0xff000000))',
]);
});
testWidgets('Dialog background color', (WidgetTester tester) async {
const Color customColor = Colors.pink;
const AlertDialog dialog = AlertDialog(
title: Text('Title'),
actions: <Widget>[ ],
);
final ThemeData theme = ThemeData(dialogTheme: const DialogTheme(backgroundColor: customColor));
await tester.pumpWidget(_appWithDialog(tester, dialog, theme: theme));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final Material materialWidget = _getMaterialFromDialog(tester);
expect(materialWidget.color, customColor);
});
testWidgets('Custom dialog elevation', (WidgetTester tester) async {
const double customElevation = 12.0;
const AlertDialog dialog = AlertDialog(
title: Text('Title'),
actions: <Widget>[ ],
);
final ThemeData theme = ThemeData(dialogTheme: const DialogTheme(elevation: customElevation));
await tester.pumpWidget(
_appWithDialog(tester, dialog, theme: theme)
);
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final Material materialWidget = _getMaterialFromDialog(tester);
expect(materialWidget.elevation, customElevation);
});
testWidgets('Custom dialog shape', (WidgetTester tester) async {
const RoundedRectangleBorder customBorder =
RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(16.0)));
const AlertDialog dialog = AlertDialog(
title: Text('Title'),
actions: <Widget>[ ],
);
final ThemeData theme = ThemeData(dialogTheme: const DialogTheme(shape: customBorder));
await tester.pumpWidget(
_appWithDialog(tester, dialog, theme: theme)
);
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final Material materialWidget = _getMaterialFromDialog(tester);
expect(materialWidget.shape, customBorder);
});
testWidgets('Custom dialog shape matches golden', (WidgetTester tester) async {
const RoundedRectangleBorder customBorder =
RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(16.0)));
const AlertDialog dialog = AlertDialog(
title: Text('Title'),
actions: <Widget>[ ],
);
final ThemeData theme = ThemeData(dialogTheme: const DialogTheme(shape: customBorder));
await tester.pumpWidget(_appWithDialog(tester, dialog, theme: theme));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
await expectLater(
find.byKey(_painterKey),
matchesGoldenFile('dialog_theme.dialog_with_custom_border.png'),
);
});
testWidgets('Custom Title Text Style - Constructor Param', (WidgetTester tester) async {
const String titleText = 'Title';
const TextStyle titleTextStyle = TextStyle(color: Colors.pink);
const AlertDialog dialog = AlertDialog(
title: Text(titleText),
titleTextStyle: titleTextStyle,
actions: <Widget>[ ],
);
await tester.pumpWidget(_appWithDialog(tester, dialog));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final RenderParagraph title = _getTextRenderObject(tester, titleText);
expect(title.text.style, titleTextStyle);
});
testWidgets('Custom Title Text Style - Dialog Theme', (WidgetTester tester) async {
const String titleText = 'Title';
const TextStyle titleTextStyle = TextStyle(color: Colors.pink);
const AlertDialog dialog = AlertDialog(
title: Text(titleText),
actions: <Widget>[ ],
);
final ThemeData theme = ThemeData(dialogTheme: const DialogTheme(titleTextStyle: titleTextStyle));
await tester.pumpWidget(_appWithDialog(tester, dialog, theme: theme));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final RenderParagraph title = _getTextRenderObject(tester, titleText);
expect(title.text.style, titleTextStyle);
});
testWidgets('Custom Title Text Style - Theme', (WidgetTester tester) async {
const String titleText = 'Title';
const TextStyle titleTextStyle = TextStyle(color: Colors.pink);
const AlertDialog dialog = AlertDialog(
title: Text(titleText),
actions: <Widget>[ ],
);
final ThemeData theme = ThemeData(textTheme: const TextTheme(headline6: titleTextStyle));
await tester.pumpWidget(_appWithDialog(tester, dialog, theme: theme));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final RenderParagraph title = _getTextRenderObject(tester, titleText);
expect(title.text.style!.color, titleTextStyle.color);
});
testWidgets('Simple Dialog - Custom Title Text Style - Constructor Param', (WidgetTester tester) async {
const String titleText = 'Title';
const TextStyle titleTextStyle = TextStyle(color: Colors.pink);
const SimpleDialog dialog = SimpleDialog(
title: Text(titleText),
titleTextStyle: titleTextStyle,
);
await tester.pumpWidget(_appWithDialog(tester, dialog));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final RenderParagraph title = _getTextRenderObject(tester, titleText);
expect(title.text.style, titleTextStyle);
});
testWidgets('Simple Dialog - Custom Title Text Style - Dialog Theme', (WidgetTester tester) async {
const String titleText = 'Title';
const TextStyle titleTextStyle = TextStyle(color: Colors.pink);
const SimpleDialog dialog = SimpleDialog(
title: Text(titleText),
);
final ThemeData theme = ThemeData(dialogTheme: const DialogTheme(titleTextStyle: titleTextStyle));
await tester.pumpWidget(_appWithDialog(tester, dialog, theme: theme));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final RenderParagraph title = _getTextRenderObject(tester, titleText);
expect(title.text.style, titleTextStyle);
});
testWidgets('Simple Dialog - Custom Title Text Style - Theme', (WidgetTester tester) async {
const String titleText = 'Title';
const TextStyle titleTextStyle = TextStyle(color: Colors.pink);
const SimpleDialog dialog = SimpleDialog(
title: Text(titleText),
);
final ThemeData theme = ThemeData(textTheme: const TextTheme(headline6: titleTextStyle));
await tester.pumpWidget(_appWithDialog(tester, dialog, theme: theme));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final RenderParagraph title = _getTextRenderObject(tester, titleText);
expect(title.text.style!.color, titleTextStyle.color);
});
testWidgets('Custom Content Text Style - Constructor Param', (WidgetTester tester) async {
const String contentText = 'Content';
const TextStyle contentTextStyle = TextStyle(color: Colors.pink);
const AlertDialog dialog = AlertDialog(
content: Text(contentText),
contentTextStyle: contentTextStyle,
actions: <Widget>[ ],
);
await tester.pumpWidget(_appWithDialog(tester, dialog));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final RenderParagraph content = _getTextRenderObject(tester, contentText);
expect(content.text.style, contentTextStyle);
});
testWidgets('Custom Content Text Style - Dialog Theme', (WidgetTester tester) async {
const String contentText = 'Content';
const TextStyle contentTextStyle = TextStyle(color: Colors.pink);
const AlertDialog dialog = AlertDialog(
content: Text(contentText),
actions: <Widget>[ ],
);
final ThemeData theme = ThemeData(dialogTheme: const DialogTheme(contentTextStyle: contentTextStyle));
await tester.pumpWidget(_appWithDialog(tester, dialog, theme: theme));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final RenderParagraph content = _getTextRenderObject(tester, contentText);
expect(content.text.style, contentTextStyle);
});
testWidgets('Custom Content Text Style - Theme', (WidgetTester tester) async {
const String contentText = 'Content';
const TextStyle contentTextStyle = TextStyle(color: Colors.pink);
const AlertDialog dialog = AlertDialog(
content: Text(contentText),
actions: <Widget>[ ],
);
final ThemeData theme = ThemeData(textTheme: const TextTheme(subtitle1: contentTextStyle));
await tester.pumpWidget(_appWithDialog(tester, dialog, theme: theme));
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final RenderParagraph content = _getTextRenderObject(tester, contentText);
expect(content.text.style!.color, contentTextStyle.color);
});
}