| // 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('ButtonBarThemeData null fields by default', () { |
| const ButtonBarThemeData buttonBarTheme = ButtonBarThemeData(); |
| expect(buttonBarTheme.alignment, null); |
| expect(buttonBarTheme.mainAxisSize, null); |
| expect(buttonBarTheme.buttonTextTheme, null); |
| expect(buttonBarTheme.buttonMinWidth, null); |
| expect(buttonBarTheme.buttonHeight, null); |
| expect(buttonBarTheme.buttonPadding, null); |
| expect(buttonBarTheme.buttonAlignedDropdown, null); |
| expect(buttonBarTheme.layoutBehavior, null); |
| expect(buttonBarTheme.overflowDirection, null); |
| }); |
| |
| test('ThemeData uses default ButtonBarThemeData', () { |
| expect(ThemeData().buttonBarTheme, equals(const ButtonBarThemeData())); |
| }); |
| |
| test('ButtonBarThemeData copyWith, ==, hashCode basics', () { |
| expect(const ButtonBarThemeData(), const ButtonBarThemeData().copyWith()); |
| expect(const ButtonBarThemeData().hashCode, const ButtonBarThemeData().copyWith().hashCode); |
| }); |
| |
| testWidgets('ButtonBarThemeData lerps correctly', (WidgetTester tester) async { |
| const ButtonBarThemeData barThemePrimary = ButtonBarThemeData( |
| alignment: MainAxisAlignment.end, |
| mainAxisSize: MainAxisSize.min, |
| buttonTextTheme: ButtonTextTheme.primary, |
| buttonMinWidth: 20.0, |
| buttonHeight: 20.0, |
| buttonPadding: EdgeInsets.symmetric(vertical: 5.0), |
| buttonAlignedDropdown: false, |
| layoutBehavior: ButtonBarLayoutBehavior.padded, |
| overflowDirection: VerticalDirection.down, |
| ); |
| const ButtonBarThemeData barThemeAccent = ButtonBarThemeData( |
| alignment: MainAxisAlignment.center, |
| mainAxisSize: MainAxisSize.max, |
| buttonTextTheme: ButtonTextTheme.accent, |
| buttonMinWidth: 10.0, |
| buttonHeight: 40.0, |
| buttonPadding: EdgeInsets.symmetric(horizontal: 10.0), |
| buttonAlignedDropdown: true, |
| layoutBehavior: ButtonBarLayoutBehavior.constrained, |
| overflowDirection: VerticalDirection.up, |
| ); |
| |
| final ButtonBarThemeData lerp = ButtonBarThemeData.lerp(barThemePrimary, barThemeAccent, 0.5); |
| expect(lerp.alignment, equals(MainAxisAlignment.center)); |
| expect(lerp.mainAxisSize, equals(MainAxisSize.max)); |
| expect(lerp.buttonTextTheme, equals(ButtonTextTheme.accent)); |
| expect(lerp.buttonMinWidth, equals(15.0)); |
| expect(lerp.buttonHeight, equals(30.0)); |
| expect(lerp.buttonPadding, equals(const EdgeInsets.fromLTRB(5.0, 2.5, 5.0, 2.5))); |
| expect(lerp.buttonAlignedDropdown, isTrue); |
| expect(lerp.layoutBehavior, equals(ButtonBarLayoutBehavior.constrained)); |
| expect(lerp.overflowDirection, equals(VerticalDirection.up)); |
| }); |
| |
| testWidgets('Default ButtonBarThemeData debugFillProperties', (WidgetTester tester) async { |
| final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder(); |
| const ButtonBarThemeData().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('ButtonBarThemeData implements debugFillProperties', (WidgetTester tester) async { |
| final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder(); |
| const ButtonBarThemeData( |
| alignment: MainAxisAlignment.center, |
| mainAxisSize: MainAxisSize.max, |
| buttonTextTheme: ButtonTextTheme.accent, |
| buttonMinWidth: 10.0, |
| buttonHeight: 42.0, |
| buttonPadding: EdgeInsets.symmetric(horizontal: 7.3), |
| buttonAlignedDropdown: true, |
| layoutBehavior: ButtonBarLayoutBehavior.constrained, |
| overflowDirection: VerticalDirection.up, |
| ).debugFillProperties(builder); |
| |
| final List<String> description = builder.properties |
| .where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info)) |
| .map((DiagnosticsNode node) => node.toString()) |
| .toList(); |
| |
| expect(description, <String>[ |
| 'alignment: MainAxisAlignment.center', |
| 'mainAxisSize: MainAxisSize.max', |
| 'textTheme: ButtonTextTheme.accent', |
| 'minWidth: 10.0', |
| 'height: 42.0', |
| 'padding: EdgeInsets(7.3, 0.0, 7.3, 0.0)', |
| 'dropdown width matches button', |
| 'layoutBehavior: ButtonBarLayoutBehavior.constrained', |
| 'overflowDirection: VerticalDirection.up', |
| ]); |
| }); |
| |
| testWidgets('ButtonBarTheme.of falls back to ThemeData.buttonBarTheme', (WidgetTester tester) async { |
| const ButtonBarThemeData buttonBarTheme = ButtonBarThemeData(buttonMinWidth: 42.0); |
| BuildContext capturedContext; |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(buttonBarTheme: buttonBarTheme), |
| home: Builder( |
| builder: (BuildContext context) { |
| capturedContext = context; |
| return Container(); |
| } |
| ), |
| ), |
| ); |
| expect(ButtonBarTheme.of(capturedContext), equals(buttonBarTheme)); |
| expect(ButtonBarTheme.of(capturedContext).buttonMinWidth, equals(42.0)); |
| }); |
| |
| testWidgets('ButtonBarTheme overrides ThemeData.buttonBarTheme', (WidgetTester tester) async { |
| const ButtonBarThemeData defaultBarTheme = ButtonBarThemeData(buttonMinWidth: 42.0); |
| const ButtonBarThemeData buttonBarTheme = ButtonBarThemeData(buttonMinWidth: 84.0); |
| BuildContext capturedContext; |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData(buttonBarTheme: defaultBarTheme), |
| home: Builder( |
| builder: (BuildContext context) { |
| return ButtonBarTheme( |
| data: buttonBarTheme, |
| child: Builder( |
| builder: (BuildContext context) { |
| capturedContext = context; |
| return Container(); |
| }, |
| ), |
| ); |
| } |
| ), |
| ), |
| ); |
| expect(ButtonBarTheme.of(capturedContext), equals(buttonBarTheme)); |
| expect(ButtonBarTheme.of(capturedContext).buttonMinWidth, equals(84.0)); |
| }); |
| } |