// 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/services.dart'; import 'package:flutter_test/flutter_test.dart'; void main() { test('AppBarTheme copyWith, ==, hashCode basics', () { expect(const AppBarTheme(), const AppBarTheme().copyWith()); expect(const AppBarTheme().hashCode, const AppBarTheme().copyWith().hashCode); }); testWidgets('Passing no AppBarTheme returns defaults', (WidgetTester tester) async { await tester.pumpWidget(MaterialApp( home: Scaffold(appBar: AppBar( actions: <Widget>[ IconButton(icon: const Icon(Icons.share), onPressed: () { }), ], )), )); final Material widget = _getAppBarMaterial(tester); final IconTheme iconTheme = _getAppBarIconTheme(tester); final IconTheme actionsIconTheme = _getAppBarActionsIconTheme(tester); final RichText actionIconText = _getAppBarIconRichText(tester); final DefaultTextStyle text = _getAppBarText(tester); expect(SystemChrome.latestStyle.statusBarBrightness, Brightness.dark); expect(widget.color, Colors.blue); expect(widget.elevation, 4.0); expect(iconTheme.data, const IconThemeData(color: Colors.white)); expect(actionsIconTheme.data, const IconThemeData(color: Colors.white)); expect(actionIconText.text.style.color, Colors.white); expect(text.style, Typography.material2014().englishLike.bodyText2.merge(Typography.material2014().white.bodyText2)); }); testWidgets('AppBar uses values from AppBarTheme', (WidgetTester tester) async { final AppBarTheme appBarTheme = _appBarTheme(); await tester.pumpWidget(MaterialApp( theme: ThemeData(appBarTheme: appBarTheme), home: Scaffold(appBar: AppBar( title: const Text('App Bar Title'), actions: <Widget>[ IconButton(icon: const Icon(Icons.share), onPressed: () { }), ], )), )); final Material widget = _getAppBarMaterial(tester); final IconTheme iconTheme = _getAppBarIconTheme(tester); final IconTheme actionsIconTheme = _getAppBarActionsIconTheme(tester); final RichText actionIconText = _getAppBarIconRichText(tester); final DefaultTextStyle text = _getAppBarText(tester); expect(SystemChrome.latestStyle.statusBarBrightness, appBarTheme.brightness); expect(widget.color, appBarTheme.color); expect(widget.elevation, appBarTheme.elevation); expect(iconTheme.data, appBarTheme.iconTheme); expect(actionsIconTheme.data, appBarTheme.actionsIconTheme); expect(actionIconText.text.style.color, appBarTheme.actionsIconTheme.color); expect(text.style, appBarTheme.textTheme.bodyText2); }); testWidgets('AppBar widget properties take priority over theme', (WidgetTester tester) async { const Brightness brightness = Brightness.dark; const Color color = Colors.orange; const double elevation = 3.0; const IconThemeData iconThemeData = IconThemeData(color: Colors.green); const IconThemeData actionsIconThemeData = IconThemeData(color: Colors.lightBlue); const TextTheme textTheme = TextTheme(headline6: TextStyle(color: Colors.orange), bodyText2: TextStyle(color: Colors.pink)); final ThemeData themeData = _themeData().copyWith(appBarTheme: _appBarTheme()); await tester.pumpWidget(MaterialApp( theme: themeData, home: Scaffold(appBar: AppBar( backgroundColor: color, brightness: brightness, elevation: elevation, iconTheme: iconThemeData, actionsIconTheme: actionsIconThemeData, textTheme: textTheme, actions: <Widget>[ IconButton(icon: const Icon(Icons.share), onPressed: () { }), ], )), )); final Material widget = _getAppBarMaterial(tester); final IconTheme iconTheme = _getAppBarIconTheme(tester); final IconTheme actionsIconTheme = _getAppBarActionsIconTheme(tester); final RichText actionIconText = _getAppBarIconRichText(tester); final DefaultTextStyle text = _getAppBarText(tester); expect(SystemChrome.latestStyle.statusBarBrightness, brightness); expect(widget.color, color); expect(widget.elevation, elevation); expect(iconTheme.data, iconThemeData); expect(actionsIconTheme.data, actionsIconThemeData); expect(actionIconText.text.style.color, actionsIconThemeData.color); expect(text.style, textTheme.bodyText2); }); testWidgets('AppBar icon color takes priority over everything', (WidgetTester tester) async { const Color color = Colors.lime; const IconThemeData iconThemeData = IconThemeData(color: Colors.green); const IconThemeData actionsIconThemeData = IconThemeData(color: Colors.lightBlue); final ThemeData themeData = _themeData().copyWith(appBarTheme: _appBarTheme()); await tester.pumpWidget(MaterialApp( theme: themeData, home: Scaffold(appBar: AppBar( iconTheme: iconThemeData, actionsIconTheme: actionsIconThemeData, actions: <Widget>[ IconButton(icon: const Icon(Icons.share), color: color, onPressed: () { }), ], )), )); final RichText actionIconText = _getAppBarIconRichText(tester); expect(actionIconText.text.style.color, color); }); testWidgets('AppBarTheme properties take priority over ThemeData properties', (WidgetTester tester) async { final AppBarTheme appBarTheme = _appBarTheme(); final ThemeData themeData = _themeData().copyWith(appBarTheme: _appBarTheme()); await tester.pumpWidget(MaterialApp( theme: themeData, home: Scaffold(appBar: AppBar( actions: <Widget>[ IconButton(icon: const Icon(Icons.share), onPressed: () { }), ], )), )); final Material widget = _getAppBarMaterial(tester); final IconTheme iconTheme = _getAppBarIconTheme(tester); final IconTheme actionsIconTheme = _getAppBarActionsIconTheme(tester); final RichText actionIconText = _getAppBarIconRichText(tester); final DefaultTextStyle text = _getAppBarText(tester); expect(SystemChrome.latestStyle.statusBarBrightness, appBarTheme.brightness); expect(widget.color, appBarTheme.color); expect(widget.elevation, appBarTheme.elevation); expect(iconTheme.data, appBarTheme.iconTheme); expect(actionsIconTheme.data, appBarTheme.actionsIconTheme); expect(actionIconText.text.style.color, appBarTheme.actionsIconTheme.color); expect(text.style, appBarTheme.textTheme.bodyText2); }); testWidgets('ThemeData properties are used when no AppBarTheme is set', (WidgetTester tester) async { final ThemeData themeData = _themeData(); await tester.pumpWidget(MaterialApp( theme: themeData, home: Scaffold(appBar: AppBar( actions: <Widget>[ IconButton(icon: const Icon(Icons.share), onPressed: () { }), ], )), )); final Material widget = _getAppBarMaterial(tester); final IconTheme iconTheme = _getAppBarIconTheme(tester); final IconTheme actionsIconTheme = _getAppBarActionsIconTheme(tester); final RichText actionIconText = _getAppBarIconRichText(tester); final DefaultTextStyle text = _getAppBarText(tester); expect(SystemChrome.latestStyle.statusBarBrightness, themeData.brightness); expect(widget.color, themeData.primaryColor); expect(widget.elevation, 4.0); expect(iconTheme.data, themeData.primaryIconTheme); expect(actionsIconTheme.data, themeData.primaryIconTheme); expect(actionIconText.text.style.color, themeData.primaryIconTheme.color); // Default value for ThemeData.typography is Typography.material2014() expect(text.style, Typography.material2014().englishLike.bodyText2.merge(Typography.material2014().white.bodyText2).merge(themeData.primaryTextTheme.bodyText2)); }); } AppBarTheme _appBarTheme() { const Brightness brightness = Brightness.light; const Color color = Colors.lightBlue; const double elevation = 6.0; const IconThemeData iconThemeData = IconThemeData(color: Colors.black); const IconThemeData actionsIconThemeData = IconThemeData(color: Colors.pink); const TextTheme textTheme = TextTheme(bodyText2: TextStyle(color: Colors.yellow)); return const AppBarTheme( actionsIconTheme: actionsIconThemeData, brightness: brightness, color: color, elevation: elevation, iconTheme: iconThemeData, textTheme: textTheme, ); } ThemeData _themeData() { return ThemeData( primaryColor: Colors.purple, brightness: Brightness.dark, primaryIconTheme: const IconThemeData(color: Colors.green), primaryTextTheme: const TextTheme(headline6: TextStyle(color: Colors.orange), bodyText2: TextStyle(color: Colors.pink)), ); } Material _getAppBarMaterial(WidgetTester tester) { return tester.widget<Material>( find.descendant( of: find.byType(AppBar), matching: find.byType(Material), ), ); } IconTheme _getAppBarIconTheme(WidgetTester tester) { return tester.widget<IconTheme>( find.descendant( of: find.byType(AppBar), matching: find.byType(IconTheme), ).first, ); } IconTheme _getAppBarActionsIconTheme(WidgetTester tester) { return tester.widget<IconTheme>( find.descendant( of: find.byType(NavigationToolbar), matching: find.byType(IconTheme), ).first, ); } RichText _getAppBarIconRichText(WidgetTester tester) { return tester.widget<RichText>( find.descendant( of: find.byType(Icon), matching: find.byType(RichText), ).first, ); } DefaultTextStyle _getAppBarText(WidgetTester tester) { return tester.widget<DefaultTextStyle>( find.descendant( of: find.byType(CustomSingleChildLayout), matching: find.byType(DefaultTextStyle), ).first, ); }