// Copyright 2017 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 show pi; import 'package:flutter/material.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:mockito/mockito.dart'; import '../widgets/semantics_tester.dart'; class MockCanvas extends Mock implements Canvas {} void main() { testWidgets('IconTheme color', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: IconTheme( data: IconThemeData( color: Color(0xFF666666), ), child: AnimatedIcon( progress: AlwaysStoppedAnimation<double>(0.0), icon: AnimatedIcons.arrow_menu, ), ), ), ); final CustomPaint customPaint = tester.widget(find.byType(CustomPaint)); final MockCanvas canvas = MockCanvas(); customPaint.painter.paint(canvas, const Size(48.0, 48.0)); verify(canvas.drawPath(any, argThat(hasColor(0xFF666666)))); }); testWidgets('IconTheme opacity', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: IconTheme( data: IconThemeData( color: Color(0xFF666666), opacity: 0.5, ), child: AnimatedIcon( progress: AlwaysStoppedAnimation<double>(0.0), icon: AnimatedIcons.arrow_menu, ), ), ), ); final CustomPaint customPaint = tester.widget(find.byType(CustomPaint)); final MockCanvas canvas = MockCanvas(); customPaint.painter.paint(canvas, const Size(48.0, 48.0)); verify(canvas.drawPath(any, argThat(hasColor(0x80666666)))); }); testWidgets('color overrides IconTheme color', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: IconTheme( data: IconThemeData( color: Color(0xFF666666), ), child: AnimatedIcon( progress: AlwaysStoppedAnimation<double>(0.0), icon: AnimatedIcons.arrow_menu, color: Color(0xFF0000FF), ), ), ), ); final CustomPaint customPaint = tester.widget(find.byType(CustomPaint)); final MockCanvas canvas = MockCanvas(); customPaint.painter.paint(canvas, const Size(48.0, 48.0)); verify(canvas.drawPath(any, argThat(hasColor(0xFF0000FF)))); }); testWidgets('IconTheme size', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: IconTheme( data: IconThemeData( color: Color(0xFF666666), size: 12.0, ), child: AnimatedIcon( progress: AlwaysStoppedAnimation<double>(0.0), icon: AnimatedIcons.arrow_menu, ), ), ), ); final CustomPaint customPaint = tester.widget(find.byType(CustomPaint)); final MockCanvas canvas = MockCanvas(); customPaint.painter.paint(canvas, const Size(12.0, 12.0)); // arrow_menu default size is 48x48 so we expect it to be scaled by 0.25. verify(canvas.scale(0.25, 0.25)); }); testWidgets('size overridesIconTheme size', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: IconTheme( data: IconThemeData( color: Color(0xFF666666), size: 12.0, ), child: AnimatedIcon( progress: AlwaysStoppedAnimation<double>(0.0), icon: AnimatedIcons.arrow_menu, size: 96.0, ), ), ), ); final CustomPaint customPaint = tester.widget(find.byType(CustomPaint)); final MockCanvas canvas = MockCanvas(); customPaint.painter.paint(canvas, const Size(12.0, 12.0)); // arrow_menu default size is 48x48 so we expect it to be scaled by 2. verify(canvas.scale(2.0, 2.0)); }); testWidgets('Semantic label', (WidgetTester tester) async { final SemanticsTester semantics = SemanticsTester(tester); await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: AnimatedIcon( progress: AlwaysStoppedAnimation<double>(0.0), icon: AnimatedIcons.arrow_menu, size: 96.0, semanticLabel: 'a label', ), ), ); expect(semantics, includesNodeWith(label: 'a label')); semantics.dispose(); }); testWidgets('Inherited text direction rtl', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.rtl, child: IconTheme( data: IconThemeData( color: Color(0xFF666666), ), child: AnimatedIcon( progress: AlwaysStoppedAnimation<double>(0.0), icon: AnimatedIcons.arrow_menu, ), ), ), ); final CustomPaint customPaint = tester.widget(find.byType(CustomPaint)); final MockCanvas canvas = MockCanvas(); customPaint.painter.paint(canvas, const Size(48.0, 48.0)); verifyInOrder(<void>[ canvas.rotate(math.pi), canvas.translate(-48.0, -48.0), ]); }); testWidgets('Inherited text direction ltr', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: IconTheme( data: IconThemeData( color: Color(0xFF666666), ), child: AnimatedIcon( progress: AlwaysStoppedAnimation<double>(0.0), icon: AnimatedIcons.arrow_menu, ), ), ), ); final CustomPaint customPaint = tester.widget(find.byType(CustomPaint)); final MockCanvas canvas = MockCanvas(); customPaint.painter.paint(canvas, const Size(48.0, 48.0)); verifyNever(canvas.rotate(any)); verifyNever(canvas.translate(any, any)); }); testWidgets('Inherited text direction overridden', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: IconTheme( data: IconThemeData( color: Color(0xFF666666), ), child: AnimatedIcon( progress: AlwaysStoppedAnimation<double>(0.0), icon: AnimatedIcons.arrow_menu, textDirection: TextDirection.rtl, ), ), ), ); final CustomPaint customPaint = tester.widget(find.byType(CustomPaint)); final MockCanvas canvas = MockCanvas(); customPaint.painter.paint(canvas, const Size(48.0, 48.0)); verifyInOrder(<void>[ canvas.rotate(math.pi), canvas.translate(-48.0, -48.0), ]); }); } PaintColorMatcher hasColor(int color) { return PaintColorMatcher(color); } class PaintColorMatcher extends Matcher { const PaintColorMatcher(this.expectedColor); final int expectedColor; @override Description describe(Description description) => description.add('color was not $expectedColor'); @override bool matches(dynamic item, Map<dynamic, dynamic> matchState) { final Paint actualPaint = item; return actualPaint.color == Color(expectedColor); } }