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Unit Testing a Utility function that returns a Widget (Test)
testWidgets('cant', (tester) async {
when(mockUrlLauncherHelper.cl(any)).thenAnswer((_) async => false);
when(mockCoreCubit.state).thenReturn(fixtureCoreCubitLoaded);
// assert
const mockUrl = 'https://test.test';
Future<void> future(BuildContext context) async {
await Future.delayed(const Duration(seconds: 1));
return htmlContentUtils.launchURL(context, mockUrl);
}
final widget = providedLocalizedWidgetForTesting(
child: LayoutBuilder(
builder: (context, _) {
return FutureBuilder(
future: future(context),
builder: (ctx, snapshot) {
return const SizedBox.shrink();
},
);
},
),
);
await tester.pumpWidget(widget);
await tester.pumpAndSettle();
await tester.pump(const Duration(seconds: 1));
expect(find.byType(Flushbar), findsOneWidget);
});
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