// 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/gestures.dart'; import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter_test/flutter_test.dart'; import '../rendering/mock_canvas.dart'; RenderBox getMaterialBox(WidgetTester tester) { return tester.firstRenderObject<RenderBox>( find.descendant( of: find.byType(RawChip), matching: find.byType(CustomPaint), ), ); } Material getMaterial(WidgetTester tester) { return tester.widget<Material>( find.descendant( of: find.byType(RawChip), matching: find.byType(Material), ), ); } DefaultTextStyle getLabelStyle(WidgetTester tester) { return tester.widget( find.descendant( of: find.byType(RawChip), matching: find.byType(DefaultTextStyle), ).last, ); } void main() { test('ChipThemeData copyWith, ==, hashCode basics', () { expect(const ChipThemeData(), const ChipThemeData().copyWith()); expect(const ChipThemeData().hashCode, const ChipThemeData().copyWith().hashCode); }); test('ChipThemeData lerp special cases', () { expect(ChipThemeData.lerp(null, null, 0), null); const ChipThemeData data = ChipThemeData(); expect(identical(ChipThemeData.lerp(data, data, 0.5), data), true); }); test('ChipThemeData defaults', () { const ChipThemeData themeData = ChipThemeData(); expect(themeData.backgroundColor, null); expect(themeData.deleteIconColor, null); expect(themeData.disabledColor, null); expect(themeData.selectedColor, null); expect(themeData.secondarySelectedColor, null); expect(themeData.shadowColor, null); expect(themeData.surfaceTintColor, null); expect(themeData.selectedShadowColor, null); expect(themeData.showCheckmark, null); expect(themeData.checkmarkColor, null); expect(themeData.labelPadding, null); expect(themeData.padding, null); expect(themeData.side, null); expect(themeData.shape, null); expect(themeData.labelStyle, null); expect(themeData.secondaryLabelStyle, null); expect(themeData.brightness, null); expect(themeData.elevation, null); expect(themeData.pressElevation, null); }); testWidgets('Default ChipThemeData debugFillProperties', (WidgetTester tester) async { final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder(); const ChipThemeData().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('ChipThemeData implements debugFillProperties', (WidgetTester tester) async { final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder(); const ChipThemeData( backgroundColor: Color(0xfffffff0), deleteIconColor: Color(0xfffffff1), disabledColor: Color(0xfffffff2), selectedColor: Color(0xfffffff3), secondarySelectedColor: Color(0xfffffff4), shadowColor: Color(0xfffffff5), surfaceTintColor: Color(0xfffffff8), selectedShadowColor: Color(0xfffffff6), showCheckmark: true, checkmarkColor: Color(0xfffffff7), labelPadding: EdgeInsets.all(1), padding: EdgeInsets.all(2), side: BorderSide(width: 10), shape: RoundedRectangleBorder(), labelStyle: TextStyle(fontSize: 10), secondaryLabelStyle: TextStyle(fontSize: 20), brightness: Brightness.dark, elevation: 5, pressElevation: 6, ).debugFillProperties(builder); final List<String> description = builder.properties .where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info)) .map((DiagnosticsNode node) => node.toString()) .toList(); expect(description, <String>[ 'backgroundColor: Color(0xfffffff0)', 'deleteIconColor: Color(0xfffffff1)', 'disabledColor: Color(0xfffffff2)', 'selectedColor: Color(0xfffffff3)', 'secondarySelectedColor: Color(0xfffffff4)', 'shadowColor: Color(0xfffffff5)', 'surfaceTintColor: Color(0xfffffff8)', 'selectedShadowColor: Color(0xfffffff6)', 'showCheckmark: true', 'checkMarkColor: Color(0xfffffff7)', 'labelPadding: EdgeInsets.all(1.0)', 'padding: EdgeInsets.all(2.0)', 'side: BorderSide(width: 10.0)', 'shape: RoundedRectangleBorder(BorderSide(width: 0.0, style: none), BorderRadius.zero)', 'labelStyle: TextStyle(inherit: true, size: 10.0)', 'secondaryLabelStyle: TextStyle(inherit: true, size: 20.0)', 'brightness: dark', 'elevation: 5.0', 'pressElevation: 6.0', ]); }); testWidgets('Chip uses ThemeData chip theme', (WidgetTester tester) async { const ChipThemeData chipTheme = ChipThemeData( backgroundColor: Color(0xff112233), elevation: 4, padding: EdgeInsets.all(50), labelPadding: EdgeInsets.all(25), shape: RoundedRectangleBorder(), labelStyle: TextStyle(fontSize: 32), ); await tester.pumpWidget( MaterialApp( theme: ThemeData.light().copyWith( chipTheme: chipTheme, ), home: Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: RawChip( label: const SizedBox(width: 100, height: 100), onSelected: (bool newValue) { }, ), ), ), ), ), ); final RenderBox materialBox = getMaterialBox(tester); expect(materialBox, paints..rect(color: chipTheme.backgroundColor)); expect(getMaterial(tester).elevation, chipTheme.elevation); expect(tester.getSize(find.byType(RawChip)), const Size(250, 250)); // label + padding + labelPadding expect(getMaterial(tester).shape, chipTheme.shape); expect(getLabelStyle(tester).style.fontSize, 32); }); testWidgets('Chip uses ChipTheme', (WidgetTester tester) async { const ChipThemeData chipTheme = ChipThemeData( backgroundColor: Color(0xff112233), elevation: 4, padding: EdgeInsets.all(50), labelPadding: EdgeInsets.all(25), labelStyle: TextStyle(fontSize: 32), shape: RoundedRectangleBorder(), ); const ChipThemeData shadowedChipTheme = ChipThemeData( backgroundColor: Color(0xff332211), elevation: 3, padding: EdgeInsets.all(5), labelPadding: EdgeInsets.all(10), labelStyle: TextStyle(fontSize: 64), shape: CircleBorder(), ); await tester.pumpWidget( MaterialApp( theme: ThemeData.light().copyWith( chipTheme: shadowedChipTheme, ), home: ChipTheme( data: chipTheme, child: Builder( builder: (BuildContext context) { return Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: RawChip( label: const SizedBox(width: 100, height: 100), onSelected: (bool newValue) { }, ), ), ), ); }, ), ), ), ); final RenderBox materialBox = getMaterialBox(tester); expect(materialBox, paints..rect(color: chipTheme.backgroundColor)); expect(tester.getSize(find.byType(RawChip)), const Size(250, 250)); // label + padding + labelPadding expect(getMaterial(tester).elevation, chipTheme.elevation); expect(getMaterial(tester).shape, chipTheme.shape); expect(getLabelStyle(tester).style.fontSize, 32); }); testWidgets('Chip uses constructor parameters', (WidgetTester tester) async { const ChipThemeData shadowedChipTheme = ChipThemeData( backgroundColor: Color(0xff112233), elevation: 4, padding: EdgeInsets.all(5), labelPadding: EdgeInsets.all(2), labelStyle: TextStyle(), shape: RoundedRectangleBorder(), ); const Color backgroundColor = Color(0xff332211); const double elevation = 3; const double fontSize = 32; const OutlinedBorder shape = CircleBorder(); await tester.pumpWidget( MaterialApp( home: ChipTheme( data: shadowedChipTheme, child: Builder( builder: (BuildContext context) { return Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: RawChip( backgroundColor: backgroundColor, elevation: elevation, padding: const EdgeInsets.all(50), labelPadding:const EdgeInsets.all(25), labelStyle: const TextStyle(fontSize: fontSize), shape: shape, label: const SizedBox(width: 100, height: 100), onSelected: (bool newValue) { }, ), ), ), ); }, ), ), ), ); final RenderBox materialBox = getMaterialBox(tester); expect(materialBox, paints..circle(color: backgroundColor)); expect(tester.getSize(find.byType(RawChip)), const Size(250, 250)); // label + padding + labelPadding expect(getMaterial(tester).elevation, elevation); expect(getMaterial(tester).shape, shape); expect(getLabelStyle(tester).style.fontSize, 32); }); testWidgets('ChipTheme.fromDefaults', (WidgetTester tester) async { const TextStyle labelStyle = TextStyle(); ChipThemeData chipTheme = ChipThemeData.fromDefaults( brightness: Brightness.light, secondaryColor: Colors.red, labelStyle: labelStyle, ); expect(chipTheme.backgroundColor, Colors.black.withAlpha(0x1f)); expect(chipTheme.deleteIconColor, Colors.black.withAlpha(0xde)); expect(chipTheme.disabledColor, Colors.black.withAlpha(0x0c)); expect(chipTheme.selectedColor, Colors.black.withAlpha(0x3d)); expect(chipTheme.secondarySelectedColor, Colors.red.withAlpha(0x3d)); expect(chipTheme.shadowColor, Colors.black); expect(chipTheme.surfaceTintColor, null); expect(chipTheme.selectedShadowColor, Colors.black); expect(chipTheme.showCheckmark, true); expect(chipTheme.checkmarkColor, null); expect(chipTheme.labelPadding, null); expect(chipTheme.padding, const EdgeInsets.all(4.0)); expect(chipTheme.side, null); expect(chipTheme.shape, null); expect(chipTheme.labelStyle, labelStyle.copyWith(color: Colors.black.withAlpha(0xde))); expect(chipTheme.secondaryLabelStyle, labelStyle.copyWith(color: Colors.red.withAlpha(0xde))); expect(chipTheme.brightness, Brightness.light); expect(chipTheme.elevation, 0.0); expect(chipTheme.pressElevation, 8.0); chipTheme = ChipThemeData.fromDefaults( brightness: Brightness.dark, secondaryColor: Colors.tealAccent[200]!, labelStyle: const TextStyle(), ); expect(chipTheme.backgroundColor, Colors.white.withAlpha(0x1f)); expect(chipTheme.deleteIconColor, Colors.white.withAlpha(0xde)); expect(chipTheme.disabledColor, Colors.white.withAlpha(0x0c)); expect(chipTheme.selectedColor, Colors.white.withAlpha(0x3d)); expect(chipTheme.secondarySelectedColor, Colors.tealAccent[200]!.withAlpha(0x3d)); expect(chipTheme.shadowColor, Colors.black); expect(chipTheme.selectedShadowColor, Colors.black); expect(chipTheme.showCheckmark, true); expect(chipTheme.checkmarkColor, null); expect(chipTheme.labelPadding, null); expect(chipTheme.padding, const EdgeInsets.all(4.0)); expect(chipTheme.side, null); expect(chipTheme.shape, null); expect(chipTheme.labelStyle, labelStyle.copyWith(color: Colors.white.withAlpha(0xde))); expect(chipTheme.secondaryLabelStyle, labelStyle.copyWith(color: Colors.tealAccent[200]!.withAlpha(0xde))); expect(chipTheme.brightness, Brightness.dark); expect(chipTheme.elevation, 0.0); expect(chipTheme.pressElevation, 8.0); }); testWidgets('ChipThemeData generates correct opacities for defaults', (WidgetTester tester) async { const Color customColor1 = Color(0xcafefeed); const Color customColor2 = Color(0xdeadbeef); final TextStyle customStyle = ThemeData.fallback().textTheme.bodyLarge!.copyWith(color: customColor2); final ChipThemeData lightTheme = ChipThemeData.fromDefaults( secondaryColor: customColor1, brightness: Brightness.light, labelStyle: customStyle, ); expect(lightTheme.backgroundColor, equals(Colors.black.withAlpha(0x1f))); expect(lightTheme.deleteIconColor, equals(Colors.black.withAlpha(0xde))); expect(lightTheme.disabledColor, equals(Colors.black.withAlpha(0x0c))); expect(lightTheme.selectedColor, equals(Colors.black.withAlpha(0x3d))); expect(lightTheme.secondarySelectedColor, equals(customColor1.withAlpha(0x3d))); expect(lightTheme.labelPadding, isNull); expect(lightTheme.padding, equals(const EdgeInsets.all(4.0))); expect(lightTheme.side, isNull); expect(lightTheme.shape, isNull); expect(lightTheme.labelStyle?.color, equals(Colors.black.withAlpha(0xde))); expect(lightTheme.secondaryLabelStyle?.color, equals(customColor1.withAlpha(0xde))); expect(lightTheme.brightness, equals(Brightness.light)); final ChipThemeData darkTheme = ChipThemeData.fromDefaults( secondaryColor: customColor1, brightness: Brightness.dark, labelStyle: customStyle, ); expect(darkTheme.backgroundColor, equals(Colors.white.withAlpha(0x1f))); expect(darkTheme.deleteIconColor, equals(Colors.white.withAlpha(0xde))); expect(darkTheme.disabledColor, equals(Colors.white.withAlpha(0x0c))); expect(darkTheme.selectedColor, equals(Colors.white.withAlpha(0x3d))); expect(darkTheme.secondarySelectedColor, equals(customColor1.withAlpha(0x3d))); expect(darkTheme.labelPadding, isNull); expect(darkTheme.padding, equals(const EdgeInsets.all(4.0))); expect(darkTheme.side, isNull); expect(darkTheme.shape, isNull); expect(darkTheme.labelStyle?.color, equals(Colors.white.withAlpha(0xde))); expect(darkTheme.secondaryLabelStyle?.color, equals(customColor1.withAlpha(0xde))); expect(darkTheme.brightness, equals(Brightness.dark)); final ChipThemeData customTheme = ChipThemeData.fromDefaults( primaryColor: customColor1, secondaryColor: customColor2, labelStyle: customStyle, ); //expect(customTheme.backgroundColor, equals(customColor1.withAlpha(0x1f))); expect(customTheme.deleteIconColor, equals(customColor1.withAlpha(0xde))); expect(customTheme.disabledColor, equals(customColor1.withAlpha(0x0c))); expect(customTheme.selectedColor, equals(customColor1.withAlpha(0x3d))); expect(customTheme.secondarySelectedColor, equals(customColor2.withAlpha(0x3d))); expect(customTheme.labelPadding, isNull); expect(customTheme.padding, equals(const EdgeInsets.all(4.0))); expect(customTheme.side, isNull); expect(customTheme.shape, isNull); expect(customTheme.labelStyle?.color, equals(customColor1.withAlpha(0xde))); expect(customTheme.secondaryLabelStyle?.color, equals(customColor2.withAlpha(0xde))); expect(customTheme.brightness, equals(Brightness.light)); }); testWidgets('ChipThemeData lerps correctly', (WidgetTester tester) async { final ChipThemeData chipThemeBlack = ChipThemeData.fromDefaults( secondaryColor: Colors.black, brightness: Brightness.dark, labelStyle: ThemeData.fallback().textTheme.bodyLarge!.copyWith(color: Colors.black), ).copyWith( elevation: 1.0, labelPadding: const EdgeInsets.symmetric(horizontal: 8.0), shape: const StadiumBorder(), side: const BorderSide(), pressElevation: 4.0, shadowColor: Colors.black, surfaceTintColor: Colors.black, selectedShadowColor: Colors.black, showCheckmark: false, checkmarkColor: Colors.black, ); final ChipThemeData chipThemeWhite = ChipThemeData.fromDefaults( secondaryColor: Colors.white, brightness: Brightness.light, labelStyle: ThemeData.fallback().textTheme.bodyLarge!.copyWith(color: Colors.white), ).copyWith( padding: const EdgeInsets.all(2.0), labelPadding: const EdgeInsets.only(top: 8.0, bottom: 8.0), shape: const BeveledRectangleBorder(), side: const BorderSide(color: Colors.white), elevation: 5.0, pressElevation: 10.0, shadowColor: Colors.white, surfaceTintColor: Colors.white, selectedShadowColor: Colors.white, showCheckmark: true, checkmarkColor: Colors.white, ); final ChipThemeData lerp = ChipThemeData.lerp(chipThemeBlack, chipThemeWhite, 0.5)!; const Color middleGrey = Color(0xff7f7f7f); expect(lerp.backgroundColor, equals(middleGrey.withAlpha(0x1f))); expect(lerp.deleteIconColor, equals(middleGrey.withAlpha(0xde))); expect(lerp.disabledColor, equals(middleGrey.withAlpha(0x0c))); expect(lerp.selectedColor, equals(middleGrey.withAlpha(0x3d))); expect(lerp.secondarySelectedColor, equals(middleGrey.withAlpha(0x3d))); expect(lerp.shadowColor, equals(middleGrey)); expect(lerp.surfaceTintColor, equals(middleGrey)); expect(lerp.selectedShadowColor, equals(middleGrey)); expect(lerp.showCheckmark, equals(true)); expect(lerp.labelPadding, equals(const EdgeInsets.all(4.0))); expect(lerp.padding, equals(const EdgeInsets.all(3.0))); expect(lerp.side!.color, equals(middleGrey)); expect(lerp.shape, isA<BeveledRectangleBorder>()); expect(lerp.labelStyle?.color, equals(middleGrey.withAlpha(0xde))); expect(lerp.secondaryLabelStyle?.color, equals(middleGrey.withAlpha(0xde))); expect(lerp.brightness, equals(Brightness.light)); expect(lerp.elevation, 3.0); expect(lerp.pressElevation, 7.0); expect(lerp.checkmarkColor, equals(middleGrey)); expect(lerp.iconTheme, isNull); expect(ChipThemeData.lerp(null, null, 0.25), isNull); final ChipThemeData lerpANull25 = ChipThemeData.lerp(null, chipThemeWhite, 0.25)!; expect(lerpANull25.backgroundColor, equals(Colors.black.withAlpha(0x08))); expect(lerpANull25.deleteIconColor, equals(Colors.black.withAlpha(0x38))); expect(lerpANull25.disabledColor, equals(Colors.black.withAlpha(0x03))); expect(lerpANull25.selectedColor, equals(Colors.black.withAlpha(0x0f))); expect(lerpANull25.secondarySelectedColor, equals(Colors.white.withAlpha(0x0f))); expect(lerpANull25.shadowColor, equals(Colors.white.withAlpha(0x40))); expect(lerpANull25.surfaceTintColor, equals(Colors.white.withAlpha(0x40))); expect(lerpANull25.selectedShadowColor, equals(Colors.white.withAlpha(0x40))); expect(lerpANull25.showCheckmark, equals(true)); expect(lerpANull25.labelPadding, equals(const EdgeInsets.only(top: 2.0, bottom: 2.0))); expect(lerpANull25.padding, equals(const EdgeInsets.all(0.5))); expect(lerpANull25.side!.color, equals(Colors.white.withAlpha(0x3f))); expect(lerpANull25.shape, isA<BeveledRectangleBorder>()); expect(lerpANull25.labelStyle?.color, equals(Colors.black.withAlpha(0x38))); expect(lerpANull25.secondaryLabelStyle?.color, equals(Colors.white.withAlpha(0x38))); expect(lerpANull25.brightness, equals(Brightness.light)); expect(lerpANull25.elevation, 1.25); expect(lerpANull25.pressElevation, 2.5); expect(lerpANull25.checkmarkColor, equals(Colors.white.withAlpha(0x40))); expect(lerp.iconTheme, isNull); final ChipThemeData lerpANull75 = ChipThemeData.lerp(null, chipThemeWhite, 0.75)!; expect(lerpANull75.backgroundColor, equals(Colors.black.withAlpha(0x17))); expect(lerpANull75.deleteIconColor, equals(Colors.black.withAlpha(0xa7))); expect(lerpANull75.disabledColor, equals(Colors.black.withAlpha(0x09))); expect(lerpANull75.selectedColor, equals(Colors.black.withAlpha(0x2e))); expect(lerpANull75.secondarySelectedColor, equals(Colors.white.withAlpha(0x2e))); expect(lerpANull75.shadowColor, equals(Colors.white.withAlpha(0xbf))); expect(lerpANull75.surfaceTintColor, equals(Colors.white.withAlpha(0xbf))); expect(lerpANull75.selectedShadowColor, equals(Colors.white.withAlpha(0xbf))); expect(lerpANull75.showCheckmark, equals(true)); expect(lerpANull75.labelPadding, equals(const EdgeInsets.only(top: 6.0, bottom: 6.0))); expect(lerpANull75.padding, equals(const EdgeInsets.all(1.5))); expect(lerpANull75.side!.color, equals(Colors.white.withAlpha(0xbf))); expect(lerpANull75.shape, isA<BeveledRectangleBorder>()); expect(lerpANull75.labelStyle?.color, equals(Colors.black.withAlpha(0xa7))); expect(lerpANull75.secondaryLabelStyle?.color, equals(Colors.white.withAlpha(0xa7))); expect(lerpANull75.brightness, equals(Brightness.light)); expect(lerpANull75.elevation, 3.75); expect(lerpANull75.pressElevation, 7.5); expect(lerpANull75.checkmarkColor, equals(Colors.white.withAlpha(0xbf))); final ChipThemeData lerpBNull25 = ChipThemeData.lerp(chipThemeBlack, null, 0.25)!; expect(lerpBNull25.backgroundColor, equals(Colors.white.withAlpha(0x17))); expect(lerpBNull25.deleteIconColor, equals(Colors.white.withAlpha(0xa7))); expect(lerpBNull25.disabledColor, equals(Colors.white.withAlpha(0x09))); expect(lerpBNull25.selectedColor, equals(Colors.white.withAlpha(0x2e))); expect(lerpBNull25.secondarySelectedColor, equals(Colors.black.withAlpha(0x2e))); expect(lerpBNull25.shadowColor, equals(Colors.black.withAlpha(0xbf))); expect(lerpBNull25.surfaceTintColor, equals(Colors.black.withAlpha(0xbf))); expect(lerpBNull25.selectedShadowColor, equals(Colors.black.withAlpha(0xbf))); expect(lerpBNull25.showCheckmark, equals(false)); expect(lerpBNull25.labelPadding, equals(const EdgeInsets.only(left: 6.0, right: 6.0))); expect(lerpBNull25.padding, equals(const EdgeInsets.all(3.0))); expect(lerpBNull25.side!.color, equals(Colors.black.withAlpha(0x3f))); expect(lerpBNull25.shape, isA<StadiumBorder>()); expect(lerpBNull25.labelStyle?.color, equals(Colors.white.withAlpha(0xa7))); expect(lerpBNull25.secondaryLabelStyle?.color, equals(Colors.black.withAlpha(0xa7))); expect(lerpBNull25.brightness, equals(Brightness.dark)); expect(lerpBNull25.elevation, 0.75); expect(lerpBNull25.pressElevation, 3.0); expect(lerpBNull25.checkmarkColor, equals(Colors.black.withAlpha(0xbf))); expect(lerp.iconTheme, isNull); final ChipThemeData lerpBNull75 = ChipThemeData.lerp(chipThemeBlack, null, 0.75)!; expect(lerpBNull75.backgroundColor, equals(Colors.white.withAlpha(0x08))); expect(lerpBNull75.deleteIconColor, equals(Colors.white.withAlpha(0x38))); expect(lerpBNull75.disabledColor, equals(Colors.white.withAlpha(0x03))); expect(lerpBNull75.selectedColor, equals(Colors.white.withAlpha(0x0f))); expect(lerpBNull75.secondarySelectedColor, equals(Colors.black.withAlpha(0x0f))); expect(lerpBNull75.shadowColor, equals(Colors.black.withAlpha(0x40))); expect(lerpBNull75.surfaceTintColor, equals(Colors.black.withAlpha(0x40))); expect(lerpBNull75.selectedShadowColor, equals(Colors.black.withAlpha(0x40))); expect(lerpBNull75.showCheckmark, equals(true)); expect(lerpBNull75.labelPadding, equals(const EdgeInsets.only(left: 2.0, right: 2.0))); expect(lerpBNull75.padding, equals(const EdgeInsets.all(1.0))); expect(lerpBNull75.side!.color, equals(Colors.black.withAlpha(0xbf))); expect(lerpBNull75.shape, isA<StadiumBorder>()); expect(lerpBNull75.labelStyle?.color, equals(Colors.white.withAlpha(0x38))); expect(lerpBNull75.secondaryLabelStyle?.color, equals(Colors.black.withAlpha(0x38))); expect(lerpBNull75.brightness, equals(Brightness.light)); expect(lerpBNull75.elevation, 0.25); expect(lerpBNull75.pressElevation, 1.0); expect(lerpBNull75.checkmarkColor, equals(Colors.black.withAlpha(0x40))); expect(lerp.iconTheme, isNull); }); testWidgets('Chip uses stateful color from chip theme', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(); const Color pressedColor = Color(0x00000001); const Color hoverColor = Color(0x00000002); const Color focusedColor = Color(0x00000003); const Color defaultColor = Color(0x00000004); const Color selectedColor = Color(0x00000005); const Color disabledColor = Color(0x00000006); Color getTextColor(Set<MaterialState> states) { if (states.contains(MaterialState.disabled)) { return disabledColor; } if (states.contains(MaterialState.pressed)) { return pressedColor; } if (states.contains(MaterialState.hovered)) { return hoverColor; } if (states.contains(MaterialState.focused)) { return focusedColor; } if (states.contains(MaterialState.selected)) { return selectedColor; } return defaultColor; } final TextStyle labelStyle = TextStyle( color: MaterialStateColor.resolveWith(getTextColor), ); Widget chipWidget({ bool enabled = true, bool selected = false }) { return MaterialApp( theme: ThemeData( chipTheme: ThemeData.light().chipTheme.copyWith( labelStyle: labelStyle, secondaryLabelStyle: labelStyle, ), ), home: Scaffold( body: Focus( focusNode: focusNode, child: ChoiceChip( label: const Text('Chip'), selected: selected, onSelected: enabled ? (_) {} : null, ), ), ), ); } Color textColor() { return tester.renderObject<RenderParagraph>(find.text('Chip')).text.style!.color!; } // Default, not disabled. await tester.pumpWidget(chipWidget()); expect(textColor(), equals(defaultColor)); // Selected. await tester.pumpWidget(chipWidget(selected: true)); expect(textColor(), selectedColor); // Focused. final FocusNode chipFocusNode = focusNode.children.first; chipFocusNode.requestFocus(); await tester.pumpAndSettle(); expect(textColor(), focusedColor); // Hovered. final Offset center = tester.getCenter(find.byType(ChoiceChip)); final TestGesture gesture = await tester.createGesture( kind: PointerDeviceKind.mouse, ); await gesture.addPointer(); await gesture.moveTo(center); await tester.pumpAndSettle(); expect(textColor(), hoverColor); // Pressed. await gesture.down(center); await tester.pumpAndSettle(); expect(textColor(), pressedColor); // Disabled. await tester.pumpWidget(chipWidget(enabled: false)); await tester.pumpAndSettle(); expect(textColor(), disabledColor); }); testWidgets('Chip uses stateful border side from resolveWith pattern', (WidgetTester tester) async { const Color selectedColor = Color(0x00000001); const Color defaultColor = Color(0x00000002); BorderSide getBorderSide(Set<MaterialState> states) { Color color = defaultColor; if (states.contains(MaterialState.selected)) { color = selectedColor; } return BorderSide(color: color); } Widget chipWidget({ bool selected = false }) { return MaterialApp( theme: ThemeData( chipTheme: ThemeData.light().chipTheme.copyWith( side: MaterialStateBorderSide.resolveWith(getBorderSide), ), ), home: Scaffold( body: ChoiceChip( label: const Text('Chip'), selected: selected, onSelected: (_) {}, ), ), ); } // Default. await tester.pumpWidget(chipWidget()); expect(find.byType(RawChip), paints..rrect()..rrect(color: defaultColor)); // Selected. await tester.pumpWidget(chipWidget(selected: true)); expect(find.byType(RawChip), paints..rrect()..rrect(color: selectedColor)); }); testWidgets('Chip uses stateful border side from chip theme', (WidgetTester tester) async { const Color selectedColor = Color(0x00000001); const Color defaultColor = Color(0x00000002); BorderSide getBorderSide(Set<MaterialState> states) { Color color = defaultColor; if (states.contains(MaterialState.selected)) { color = selectedColor; } return BorderSide(color: color); } final ChipThemeData chipTheme = ChipThemeData.fromDefaults( brightness: Brightness.light, secondaryColor: Colors.blue, labelStyle: const TextStyle(), ).copyWith( side: _MaterialStateBorderSide(getBorderSide), ); Widget chipWidget({ bool selected = false }) { return MaterialApp( theme: ThemeData(chipTheme: chipTheme), home: Scaffold( body: ChoiceChip( label: const Text('Chip'), selected: selected, onSelected: (_) {}, ), ), ); } // Default. await tester.pumpWidget(chipWidget()); expect(find.byType(RawChip), paints..rrect()..rrect(color: defaultColor)); // Selected. await tester.pumpWidget(chipWidget(selected: true)); expect(find.byType(RawChip), paints..rrect()..rrect(color: selectedColor)); }); testWidgets('Chip uses stateful shape from chip theme', (WidgetTester tester) async { OutlinedBorder? getShape(Set<MaterialState> states) { if (states.contains(MaterialState.selected)) { return const RoundedRectangleBorder(); } return null; } final ChipThemeData chipTheme = ChipThemeData.fromDefaults( brightness: Brightness.light, secondaryColor: Colors.blue, labelStyle: const TextStyle(), ).copyWith( shape: _MaterialStateOutlinedBorder(getShape), ); Widget chipWidget({ bool selected = false }) { return MaterialApp( theme: ThemeData(chipTheme: chipTheme), home: Scaffold( body: ChoiceChip( label: const Text('Chip'), selected: selected, onSelected: (_) {}, ), ), ); } // Default. await tester.pumpWidget(chipWidget()); expect(getMaterial(tester).shape, isA<StadiumBorder>()); // Selected. await tester.pumpWidget(chipWidget(selected: true)); expect(getMaterial(tester).shape, isA<RoundedRectangleBorder>()); }); } class _MaterialStateOutlinedBorder extends StadiumBorder implements MaterialStateOutlinedBorder { const _MaterialStateOutlinedBorder(this.resolver); final MaterialPropertyResolver<OutlinedBorder?> resolver; @override OutlinedBorder? resolve(Set<MaterialState> states) => resolver(states); } class _MaterialStateBorderSide extends MaterialStateBorderSide { const _MaterialStateBorderSide(this.resolver); final MaterialPropertyResolver<BorderSide?> resolver; @override BorderSide? resolve(Set<MaterialState> states) => resolver(states); }