// 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 'package:flutter_test/flutter_test.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter/widgets.dart'; import 'package:test/test.dart'; void main() { test('AnimatedContainer control test', () { testWidgets((WidgetTester tester) { GlobalKey key = new GlobalKey(); BoxDecoration decorationA = new BoxDecoration( backgroundColor: new Color(0xFF00FF00) ); BoxDecoration decorationB = new BoxDecoration( backgroundColor: new Color(0xFF0000FF) ); BoxDecoration actualDecoration; tester.pumpWidget( new AnimatedContainer( key: key, duration: const Duration(milliseconds: 200), decoration: decorationA ) ); RenderDecoratedBox box = key.currentContext.findRenderObject(); actualDecoration = box.decoration; expect(actualDecoration.backgroundColor, equals(decorationA.backgroundColor)); tester.pumpWidget( new AnimatedContainer( key: key, duration: const Duration(milliseconds: 200), decoration: decorationB ) ); expect(key.currentContext.findRenderObject(), equals(box)); actualDecoration = box.decoration; expect(actualDecoration.backgroundColor, equals(decorationA.backgroundColor)); tester.pump(const Duration(seconds: 1)); actualDecoration = box.decoration; expect(actualDecoration.backgroundColor, equals(decorationB.backgroundColor)); }); }); test('AnimatedContainer overanimate test', () { testWidgets((WidgetTester tester) { tester.pumpWidget( new AnimatedContainer( duration: const Duration(milliseconds: 200), decoration: new BoxDecoration( backgroundColor: new Color(0xFF00FF00) ) ) ); expect(tester.binding.transientCallbackCount, 0); tester.pump(new Duration(seconds: 1)); expect(tester.binding.transientCallbackCount, 0); tester.pumpWidget( new AnimatedContainer( duration: const Duration(milliseconds: 200), decoration: new BoxDecoration( backgroundColor: new Color(0xFF00FF00) ) ) ); expect(tester.binding.transientCallbackCount, 0); tester.pump(new Duration(seconds: 1)); expect(tester.binding.transientCallbackCount, 0); tester.pumpWidget( new AnimatedContainer( duration: const Duration(milliseconds: 200), decoration: new BoxDecoration( backgroundColor: new Color(0xFF0000FF) ) ) ); expect(tester.binding.transientCallbackCount, 1); // this is the only time an animation should have started! tester.pump(new Duration(seconds: 1)); expect(tester.binding.transientCallbackCount, 0); tester.pumpWidget( new AnimatedContainer( duration: const Duration(milliseconds: 200), decoration: new BoxDecoration( backgroundColor: new Color(0xFF0000FF) ) ) ); expect(tester.binding.transientCallbackCount, 0); }); }); test('Animation rerun', () { testWidgets((WidgetTester tester) { tester.pumpWidget( new Center( child: new AnimatedContainer( duration: const Duration(milliseconds: 200), width: 100.0, height: 100.0, child: new Text('X') ) ) ); tester.pump(); tester.pump(new Duration(milliseconds: 100)); RenderBox text = tester.findText('X').renderObject; expect(text.size.width, equals(100.0)); expect(text.size.height, equals(100.0)); tester.pump(new Duration(milliseconds: 1000)); tester.pumpWidget( new Center( child: new AnimatedContainer( duration: const Duration(milliseconds: 200), width: 200.0, height: 200.0, child: new Text('X') ) ) ); tester.pump(); tester.pump(new Duration(milliseconds: 100)); text = tester.findText('X').renderObject; expect(text.size.width, greaterThan(110.0)); expect(text.size.width, lessThan(190.0)); expect(text.size.height, greaterThan(110.0)); expect(text.size.height, lessThan(190.0)); tester.pump(new Duration(milliseconds: 1000)); expect(text.size.width, equals(200.0)); expect(text.size.height, equals(200.0)); tester.pumpWidget( new Center( child: new AnimatedContainer( duration: const Duration(milliseconds: 200), width: 200.0, height: 100.0, child: new Text('X') ) ) ); tester.pump(); tester.pump(new Duration(milliseconds: 100)); expect(text.size.width, equals(200.0)); expect(text.size.height, greaterThan(110.0)); expect(text.size.height, lessThan(190.0)); tester.pump(new Duration(milliseconds: 1000)); expect(text.size.width, equals(200.0)); expect(text.size.height, equals(100.0)); }); }); }