import 'package:sky/rendering.dart'; import 'package:sky/widgets.dart'; import 'package:test/test.dart'; import 'widget_tester.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) ); tester.pumpWidget( new AnimatedContainer( key: key, duration: const Duration(milliseconds: 200), decoration: decorationA ) ); RenderDecoratedBox box = key.currentState.context.findRenderObject(); expect(box.decoration.backgroundColor, equals(decorationA.backgroundColor)); tester.pumpWidget( new AnimatedContainer( key: key, duration: const Duration(milliseconds: 200), decoration: decorationB ) ); expect(key.currentState.context.findRenderObject(), equals(box)); expect(box.decoration.backgroundColor, equals(decorationA.backgroundColor)); tester.pump(const Duration(seconds: 1)); expect(box.decoration.backgroundColor, equals(decorationB.backgroundColor)); }); }); }