https://medium.com/@hunghar174?source=rss-e2145b204896------2 https://cdn-images-1.medium.com/fit/c/150/150/0*yXf1Y4f2KFYI43XS https://medium.com/@hunghar174?source=rss-e2145b204896------2 Medium Fri, 15 May 2026 19:10:20 GMT https://medium.com/@hunghar174/istest-void-testwidgets-string-description-widgettestercallback-callback-bool-4e0d95ff4292?source=rss-e2145b204896------2 https://medium.com/p/4e0d95ff4292 Mon, 11 May 2026 11:04:24 GMT 2026-05-11T11:04:24.250Z isTest void testWidgets( String description, WidgetTesterCallback callback, { bool? skip, test_package.Timeout? timeout, bool semanticsEnabled = true, TestVariant<Object?> variant = const DefaultTestVariant(), dynamic tags, int? retry, LeakTesting? experimentalLeakTesting, }) { assert( variant.values.isNotEmpty, 'There must be at least one value to test in the testing variant.’, ); final TestWidgetsFlutterBinding binding = TestWidgetsFlutterBinding.ensureInitialized(); final tester = WidgetTester._(binding); for (final Object? value in variant.values) { final String variationDescription = variant.describeValue(value); // IDEs may make assumptions about the format of this suffix in order to // support running tests directly from the editor (where they may have // access to only the test name, provided by the analysis server). // See https://github.com/flutter/flutter/issues/86659. final combinedDescription = variationDescription.isNotEmpty ? '$description (variant: $variationDescription)' : description; test( combinedDescription, () { tester._testDescription = combinedDescription; SemanticsHandle? semanticsHandle; tester._recordNumberOfSemanticsHandles(); if (semanticsEnabled) { semanticsHandle = tester.ensureSemantics(); } test_package.addTearDown(binding.postTest); return binding.runTest( () async { debugResetSemanticsIdCounter(); Object? memento; try { memento = await variant.setUp(value); binding.reset(); // TODO(ianh): the binding should just do this itself in _runTest maybeSetupLeakTrackingForTest(experimentalLeakTesting, combinedDescription); await callback(tester); } finally { await variant.tearDown(value, memento); maybeTearDownLeakTrackingForTest(); } semanticsHandle?.dispose(); }, tester._endOfTestVerifications, description: combinedDescription, ); }, skip: skip, timeout: timeout ?? binding.defaultTestTimeout, tags: tags, retry: retry, );]]>