// Copyright 2015 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 'dart:math' as math; import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter_test/flutter_test.dart'; import '../widgets/semantics_tester.dart'; class TestIcon extends StatefulWidget { const TestIcon({ Key key }) : super(key: key); @override TestIconState createState() => new TestIconState(); } class TestIconState extends State<TestIcon> { IconThemeData iconTheme; @override Widget build(BuildContext context) { iconTheme = IconTheme.of(context); return const Icon(Icons.add); } } class TestText extends StatefulWidget { const TestText(this.text, { Key key }) : super(key: key); final String text; @override TestTextState createState() => new TestTextState(); } class TestTextState extends State<TestText> { TextStyle textStyle; @override Widget build(BuildContext context) { textStyle = DefaultTextStyle.of(context).style; return new Text(widget.text); } } void main() { testWidgets('ListTile geometry (LTR)', (WidgetTester tester) async { // See https://material.io/go/design-lists final Key leadingKey = new GlobalKey(); final Key trailingKey = new GlobalKey(); bool hasSubtitle; const double leftPadding = 10.0; const double rightPadding = 20.0; Widget buildFrame({ bool dense = false, bool isTwoLine = false, bool isThreeLine = false, double textScaleFactor = 1.0, double subtitleScaleFactor }) { hasSubtitle = isTwoLine || isThreeLine; subtitleScaleFactor ??= textScaleFactor; return new MaterialApp( home: new MediaQuery( data: new MediaQueryData( padding: const EdgeInsets.only(left: leftPadding, right: rightPadding), textScaleFactor: textScaleFactor, ), child: new Material( child: new Center( child: new ListTile( leading: new Container(key: leadingKey, width: 24.0, height: 24.0), title: const Text('title'), subtitle: hasSubtitle ? new Text('subtitle', textScaleFactor: subtitleScaleFactor) : null, trailing: new Container(key: trailingKey, width: 24.0, height: 24.0), dense: dense, isThreeLine: isThreeLine, ), ), ), ), ); } void testChildren() { expect(find.byKey(leadingKey), findsOneWidget); expect(find.text('title'), findsOneWidget); if (hasSubtitle) expect(find.text('subtitle'), findsOneWidget); expect(find.byKey(trailingKey), findsOneWidget); } double left(String text) => tester.getTopLeft(find.text(text)).dx; double top(String text) => tester.getTopLeft(find.text(text)).dy; double bottom(String text) => tester.getBottomLeft(find.text(text)).dy; double height(String text) => tester.getRect(find.text(text)).height; double leftKey(Key key) => tester.getTopLeft(find.byKey(key)).dx; double rightKey(Key key) => tester.getTopRight(find.byKey(key)).dx; double widthKey(Key key) => tester.getSize(find.byKey(key)).width; double heightKey(Key key) => tester.getSize(find.byKey(key)).height; // ListTiles are contained by a SafeArea defined like this: // SafeArea(top: false, bottom: false, minimum: contentPadding) // The default contentPadding is 16.0 on the left and right. void testHorizontalGeometry() { expect(leftKey(leadingKey), math.max(16.0, leftPadding)); expect(left('title'), 56.0 + math.max(16.0, leftPadding)); if (hasSubtitle) expect(left('subtitle'), 56.0 + math.max(16.0, leftPadding)); expect(left('title'), rightKey(leadingKey) + 32.0); expect(rightKey(trailingKey), 800.0 - math.max(16.0, rightPadding)); expect(widthKey(trailingKey), 24.0); } void testVerticalGeometry(double expectedHeight) { final Rect tileRect = tester.getRect(find.byType(ListTile)); expect(tileRect.size, new Size(800.0, expectedHeight)); expect(top('title'), greaterThanOrEqualTo(tileRect.top)); if (hasSubtitle) { expect(top('subtitle'), greaterThanOrEqualTo(bottom('title'))); expect(bottom('subtitle'), lessThan(tileRect.bottom)); } else { expect(top('title'), equals(tileRect.top + (tileRect.height - height('title')) / 2.0)); } expect(heightKey(trailingKey), 24.0); } await tester.pumpWidget(buildFrame()); testChildren(); testHorizontalGeometry(); testVerticalGeometry(56.0); await tester.pumpWidget(buildFrame(dense: true)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(48.0); await tester.pumpWidget(buildFrame(isTwoLine: true)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(72.0); await tester.pumpWidget(buildFrame(isTwoLine: true, dense: true)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(64.0); await tester.pumpWidget(buildFrame(isThreeLine: true)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(88.0); await tester.pumpWidget(buildFrame(isThreeLine: true, dense: true)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(76.0); await tester.pumpWidget(buildFrame(textScaleFactor: 4.0)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(72.0); await tester.pumpWidget(buildFrame(dense: true, textScaleFactor: 4.0)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(72.0); await tester.pumpWidget(buildFrame(isTwoLine: true, textScaleFactor: 4.0)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(128.0); // Make sure that the height of a large subtitle is taken into account. await tester.pumpWidget(buildFrame(isTwoLine: true, textScaleFactor: 0.5, subtitleScaleFactor: 4.0)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(72.0); await tester.pumpWidget(buildFrame(isTwoLine: true, dense: true, textScaleFactor: 4.0)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(128.0); await tester.pumpWidget(buildFrame(isThreeLine: true, textScaleFactor: 4.0)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(128.0); await tester.pumpWidget(buildFrame(isThreeLine: true, dense: true, textScaleFactor: 4.0)); testChildren(); testHorizontalGeometry(); testVerticalGeometry(128.0); }); testWidgets('ListTile geometry (RTL)', (WidgetTester tester) async { const double leftPadding = 10.0; const double rightPadding = 20.0; await tester.pumpWidget(const MediaQuery( data: MediaQueryData( padding: EdgeInsets.only(left: leftPadding, right: rightPadding), ), child: Directionality( textDirection: TextDirection.rtl, child: Material( child: Center( child: ListTile( leading: Text('L'), title: Text('title'), trailing: Text('T'), ), ), ), ), )); double left(String text) => tester.getTopLeft(find.text(text)).dx; double right(String text) => tester.getTopRight(find.text(text)).dx; void testHorizontalGeometry() { expect(right('L'), 800.0 - math.max(16.0, rightPadding)); expect(right('title'), 800.0 - 56.0 - math.max(16.0, rightPadding)); expect(left('T'), math.max(16.0, leftPadding)); } testHorizontalGeometry(); }); testWidgets('ListTile.divideTiles', (WidgetTester tester) async { final List<String> titles = <String>[ 'first', 'second', 'third' ]; await tester.pumpWidget(new MaterialApp( home: new Material( child: new Builder( builder: (BuildContext context) { return new ListView( children: ListTile.divideTiles( context: context, tiles: titles.map((String title) => new ListTile(title: new Text(title))), ).toList(), ); }, ), ), )); expect(find.text('first'), findsOneWidget); expect(find.text('second'), findsOneWidget); expect(find.text('third'), findsOneWidget); }); testWidgets('ListTileTheme', (WidgetTester tester) async { final Key titleKey = new UniqueKey(); final Key subtitleKey = new UniqueKey(); final Key leadingKey = new UniqueKey(); final Key trailingKey = new UniqueKey(); ThemeData theme; Widget buildFrame({ bool enabled = true, bool dense = false, bool selected = false, Color selectedColor, Color iconColor, Color textColor, }) { return new MaterialApp( home: new Material( child: new Center( child: new ListTileTheme( dense: dense, selectedColor: selectedColor, iconColor: iconColor, textColor: textColor, child: new Builder( builder: (BuildContext context) { theme = Theme.of(context); return new ListTile( enabled: enabled, selected: selected, leading: new TestIcon(key: leadingKey), trailing: new TestIcon(key: trailingKey), title: new TestText('title', key: titleKey), subtitle: new TestText('subtitle', key: subtitleKey), ); } ), ), ), ), ); } const Color green = Color(0xFF00FF00); const Color red = Color(0xFFFF0000); Color iconColor(Key key) => tester.state<TestIconState>(find.byKey(key)).iconTheme.color; Color textColor(Key key) => tester.state<TestTextState>(find.byKey(key)).textStyle.color; // A selected ListTile's leading, trailing, and text get the primary color by default await tester.pumpWidget(buildFrame(selected: true)); await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate expect(iconColor(leadingKey), theme.primaryColor); expect(iconColor(trailingKey), theme.primaryColor); expect(textColor(titleKey), theme.primaryColor); expect(textColor(subtitleKey), theme.primaryColor); // A selected ListTile's leading, trailing, and text get the ListTileTheme's selectedColor await tester.pumpWidget(buildFrame(selected: true, selectedColor: green)); await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate expect(iconColor(leadingKey), green); expect(iconColor(trailingKey), green); expect(textColor(titleKey), green); expect(textColor(subtitleKey), green); // An unselected ListTile's leading and trailing get the ListTileTheme's iconColor // An unselected ListTile's title texts get the ListTileTheme's textColor await tester.pumpWidget(buildFrame(iconColor: red, textColor: green)); await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate expect(iconColor(leadingKey), red); expect(iconColor(trailingKey), red); expect(textColor(titleKey), green); expect(textColor(subtitleKey), green); // If the item is disabled it's rendered with the theme's disabled color. await tester.pumpWidget(buildFrame(enabled: false)); await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate expect(iconColor(leadingKey), theme.disabledColor); expect(iconColor(trailingKey), theme.disabledColor); expect(textColor(titleKey), theme.disabledColor); expect(textColor(subtitleKey), theme.disabledColor); // If the item is disabled it's rendered with the theme's disabled color. // Even if it's selected. await tester.pumpWidget(buildFrame(enabled: false, selected: true)); await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate expect(iconColor(leadingKey), theme.disabledColor); expect(iconColor(trailingKey), theme.disabledColor); expect(textColor(titleKey), theme.disabledColor); expect(textColor(subtitleKey), theme.disabledColor); }); testWidgets('ListTile semantics', (WidgetTester tester) async { final SemanticsTester semantics = new SemanticsTester(tester); await tester.pumpWidget( new Material( child: new Directionality( textDirection: TextDirection.ltr, child: new MediaQuery( data: const MediaQueryData(), child: new Column( children: const <Widget>[ ListTile( title: Text('one'), ), ListTile( title: Text('two'), selected: true, ), ListTile( title: Text('three'), enabled: false, ), ], ), ), ) ), ); expect(semantics, hasSemantics( new TestSemantics.root( children: <TestSemantics>[ new TestSemantics.rootChild( label: 'one', flags: <SemanticsFlag>[ SemanticsFlag.hasEnabledState, SemanticsFlag.isEnabled, ], ), new TestSemantics.rootChild( label: 'two', flags: <SemanticsFlag>[ SemanticsFlag.isSelected, SemanticsFlag.hasEnabledState, SemanticsFlag.isEnabled, ], ), new TestSemantics.rootChild( label: 'three', flags: <SemanticsFlag>[ SemanticsFlag.hasEnabledState, ], ), ] ), ignoreTransform: true, ignoreId: true, ignoreRect: true), ); semantics.dispose(); }); testWidgets('ListTile contentPadding', (WidgetTester tester) async { Widget buildFrame(TextDirection textDirection) { return new MediaQuery( data: const MediaQueryData( padding: EdgeInsets.zero, textScaleFactor: 1.0 ), child: new Directionality( textDirection: textDirection, child: new Material( child: new Container( alignment: Alignment.topLeft, child: const ListTile( contentPadding: EdgeInsetsDirectional.only( start: 10.0, end: 20.0, top: 30.0, bottom: 40.0, ), leading: Text('L'), title: Text('title'), trailing: Text('T'), ), ), ), ), ); } double left(String text) => tester.getTopLeft(find.text(text)).dx; double right(String text) => tester.getTopRight(find.text(text)).dx; await tester.pumpWidget(buildFrame(TextDirection.ltr)); expect(tester.getSize(find.byType(ListTile)), const Size(800.0, 126.0)); // 126 = 56 + 30 + 40 expect(left('L'), 10.0); // contentPadding.start = 10 expect(right('T'), 780.0); // 800 - contentPadding.end await tester.pumpWidget(buildFrame(TextDirection.rtl)); expect(tester.getSize(find.byType(ListTile)), const Size(800.0, 126.0)); // 126 = 56 + 30 + 40 expect(left('T'), 20.0); // contentPadding.end = 20 expect(right('L'), 790.0); // 800 - contentPadding.start }); testWidgets('ListTile contentPadding', (WidgetTester tester) async { Widget buildFrame(TextDirection textDirection) { return new MediaQuery( data: const MediaQueryData( padding: EdgeInsets.zero, textScaleFactor: 1.0 ), child: new Directionality( textDirection: textDirection, child: new Material( child: new Container( alignment: Alignment.topLeft, child: const ListTile( contentPadding: EdgeInsetsDirectional.only( start: 10.0, end: 20.0, top: 30.0, bottom: 40.0, ), leading: Text('L'), title: Text('title'), trailing: Text('T'), ), ), ), ), ); } double left(String text) => tester.getTopLeft(find.text(text)).dx; double right(String text) => tester.getTopRight(find.text(text)).dx; await tester.pumpWidget(buildFrame(TextDirection.ltr)); expect(tester.getSize(find.byType(ListTile)), const Size(800.0, 126.0)); // 126 = 56 + 30 + 40 expect(left('L'), 10.0); // contentPadding.start = 10 expect(right('T'), 780.0); // 800 - contentPadding.end await tester.pumpWidget(buildFrame(TextDirection.rtl)); expect(tester.getSize(find.byType(ListTile)), const Size(800.0, 126.0)); // 126 = 56 + 30 + 40 expect(left('T'), 20.0); // contentPadding.end = 20 expect(right('L'), 790.0); // 800 - contentPadding.start }); testWidgets('ListTileTheme wide leading Widget', (WidgetTester tester) async { const Key leadingKey = ValueKey<String>('L'); Widget buildFrame(double leadingWidth, TextDirection textDirection) { return new MediaQuery( data: const MediaQueryData( padding: EdgeInsets.zero, textScaleFactor: 1.0 ), child: new Directionality( textDirection: textDirection, child: new Material( child: new Container( alignment: Alignment.topLeft, child: new ListTile( contentPadding: EdgeInsets.zero, leading: new SizedBox(key: leadingKey, width: leadingWidth, height: 32.0), title: const Text('title'), subtitle: const Text('subtitle'), ), ), ), ), ); } double left(String text) => tester.getTopLeft(find.text(text)).dx; double right(String text) => tester.getTopRight(find.text(text)).dx; // textDirection = LTR // Two-line tile's height = 72, leading 24x32 widget is vertically centered await tester.pumpWidget(buildFrame(24.0, TextDirection.ltr)); expect(tester.getSize(find.byType(ListTile)), const Size(800.0, 72.0)); expect(tester.getTopLeft(find.byKey(leadingKey)), const Offset(0.0, 20.0)); expect(tester.getBottomRight(find.byKey(leadingKey)), const Offset(24.0, 52.0)); // Leading widget's width is 20, so default layout: the left edges of the // title and subtitle are at 56dps (contentPadding is zero). expect(left('title'), 56.0); expect(left('subtitle'), 56.0); // If the leading widget is wider than 40 it is separated from the // title and subtitle by 16. await tester.pumpWidget(buildFrame(56.0, TextDirection.ltr)); expect(tester.getSize(find.byType(ListTile)), const Size(800.0, 72.0)); expect(tester.getTopLeft(find.byKey(leadingKey)), const Offset(0.0, 20.0)); expect(tester.getBottomRight(find.byKey(leadingKey)), const Offset(56.0, 52.0)); expect(left('title'), 72.0); expect(left('subtitle'), 72.0); // Same tests, textDirection = RTL await tester.pumpWidget(buildFrame(24.0, TextDirection.rtl)); expect(tester.getSize(find.byType(ListTile)), const Size(800.0, 72.0)); expect(tester.getTopRight(find.byKey(leadingKey)), const Offset(800.0, 20.0)); expect(tester.getBottomLeft(find.byKey(leadingKey)), const Offset(800.0 - 24.0, 52.0)); expect(right('title'), 800.0 - 56.0); expect(right('subtitle'), 800.0 - 56.0); await tester.pumpWidget(buildFrame(56.0, TextDirection.rtl)); expect(tester.getSize(find.byType(ListTile)), const Size(800.0, 72.0)); expect(tester.getTopRight(find.byKey(leadingKey)), const Offset(800.0, 20.0)); expect(tester.getBottomLeft(find.byKey(leadingKey)), const Offset(800.0 - 56.0, 52.0)); expect(right('title'), 800.0 - 72.0); expect(right('subtitle'), 800.0 - 72.0); }); }