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fix #19175 How should addTime be used from a test? (#25202)

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This commit is contained in:
TruongSinh Tran-Nguyen 2019-03-07 06:32:33 +07:00 committed by Michael Goderbauer
parent ec27e04582
commit 0c7fe40e37
3 changed files with 53 additions and 67 deletions
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99
examples/flutter_gallery/test/accessibility_test.dart
View file

@ -488,8 +488,7 @@ void main() {
final String themeName = themeNames[themeIndex];
testWidgets('backdrop_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: BackdropDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -497,8 +496,7 @@ void main() {
});
testWidgets('bottom_app_bar_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: BottomAppBarDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -506,8 +504,7 @@ void main() {
});
testWidgets('bottom_navigation_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: BottomNavigationDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -515,8 +512,7 @@ void main() {
});
testWidgets('buttons_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: ButtonsDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -524,8 +520,7 @@ void main() {
});
testWidgets('cards_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: CardsDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -533,8 +528,7 @@ void main() {
});
testWidgets('chip_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: ChipDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -542,8 +536,7 @@ void main() {
}, skip: true); // https://github.com/flutter/flutter/issues/21647
testWidgets('data_table_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: DataTableDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -551,8 +544,7 @@ void main() {
}, skip: true); // https://github.com/flutter/flutter/issues/21647
testWidgets('date_and_time_picker_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: DateAndTimePickerDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -560,8 +552,7 @@ void main() {
}, skip: true); // https://github.com/flutter/flutter/issues/21647
testWidgets('dialog_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: DialogDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -569,8 +560,7 @@ void main() {
});
testWidgets('drawer_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: DrawerDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -578,8 +568,7 @@ void main() {
});
testWidgets('elevation_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: ElevationDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -587,8 +576,7 @@ void main() {
});
testWidgets('expansion_panels_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: ExpansionPanelsDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -596,8 +584,7 @@ void main() {
});
testWidgets('grid_list_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: const GridListDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -605,8 +592,7 @@ void main() {
});
testWidgets('icons_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: IconsDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -614,8 +600,7 @@ void main() {
}, skip: true); // https://github.com/flutter/flutter/issues/21647
testWidgets('leave_behind_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: const LeaveBehindDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -623,8 +608,7 @@ void main() {
});
testWidgets('list_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: const ListDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -632,8 +616,7 @@ void main() {
});
testWidgets('menu_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: const MenuDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -641,8 +624,7 @@ void main() {
});
testWidgets('modal_bottom_sheet_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: ModalBottomSheetDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -650,8 +632,7 @@ void main() {
});
testWidgets('overscroll_demo', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(const MaterialApp(home: OverscrollDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -659,8 +640,7 @@ void main() {
});
testWidgets('page_selector_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: PageSelectorDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -668,8 +648,7 @@ void main() {
});
testWidgets('persistent_bottom_sheet_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: PersistentBottomSheetDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -677,8 +656,7 @@ void main() {
});
testWidgets('progress_indicator_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: ProgressIndicatorDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -686,8 +664,7 @@ void main() {
});
testWidgets('reorderable_list_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: const ReorderableListDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -695,8 +672,7 @@ void main() {
});
testWidgets('scrollable_tabs_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: ScrollableTabsDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -704,8 +680,7 @@ void main() {
});
testWidgets('search_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: SearchDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -713,8 +688,7 @@ void main() {
}, skip: true); // https://github.com/flutter/flutter/issues/21651
testWidgets('selection_controls_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: SelectionControlsDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -722,8 +696,7 @@ void main() {
});
testWidgets('slider_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: SliderDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -731,8 +704,7 @@ void main() {
});
testWidgets('snack_bar_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: const SnackBarDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -740,8 +712,7 @@ void main() {
});
testWidgets('tabs_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: TabsDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -749,8 +720,7 @@ void main() {
});
testWidgets('tabs_fab_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: TabsFabDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -758,8 +728,7 @@ void main() {
});
testWidgets('text_form_field_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: const TextFormFieldDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -767,8 +736,7 @@ void main() {
});
testWidgets('tooltip_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: TooltipDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));
@ -776,8 +744,7 @@ void main() {
});
testWidgets('expansion_tile_list_demo $themeName', (WidgetTester tester) async {
final AutomatedTestWidgetsFlutterBinding binding = tester.binding;
binding.addTime(const Duration(seconds: 3));
tester.binding.addTime(const Duration(seconds: 3));
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(MaterialApp(theme: theme, home: ExpansionTileListDemo()));
await expectLater(tester, meetsGuideline(textContrastGuideline));

8
packages/flutter_test/lib/src/binding.dart
View file

@ -125,6 +125,11 @@ abstract class TestWidgetsFlutterBinding extends BindingBase
@protected
bool get disableShadows => false;
/// Increase the timeout for the current test by the given duration.
void addTime(Duration duration) {
// Noop, see [AutomatedTestWidgetsFlutterBinding. addTime] for an actual implementation.
}
/// The value to set [debugCheckIntrinsicSizes] to while tests are running.
///
/// This can be used to enable additional checks. For example,
@ -843,7 +848,7 @@ class AutomatedTestWidgetsFlutterBinding extends TestWidgetsFlutterBinding {
_timeoutCompleter.completeError(
TimeoutException(
'The test exceeded the timeout. It may have hung.\n'
'Consider using "addTime" to increase the timeout before expensive operations.',
'Consider using "tester.binding.addTime" to increase the timeout before expensive operations.',
_timeout,
),
);
@ -873,6 +878,7 @@ class AutomatedTestWidgetsFlutterBinding extends TestWidgetsFlutterBinding {
///
/// * [defaultTestTimeout], the maximum that the timeout can reach.
/// (That timeout is implemented by the test package.)
@override
void addTime(Duration duration) {
assert(_timeout != null, 'addTime can only be called during a test.');
_timeout += duration;

13
packages/flutter_test/lib/src/widget_tester.dart
View file

@ -49,6 +49,14 @@ typedef WidgetTesterCallback = Future<void> Function(WidgetTester widgetTester);
///
/// The callback can be asynchronous (using `async`/`await` or
/// using explicit [Future]s).
/// Tests using the [AutomatedTestWidgetsFlutterBinding]
/// have a default time out of two seconds,
/// which is automatically increased for some expensive operations,
/// and can also be manually increased by calling
/// [AutomatedTestWidgetsFlutterBinding.addTime].
/// The maximum that this timeout can reach (automatically or manually increased)
/// is defined by the timeout property,
/// which defaults to [TestWidgetsFlutterBinding.defaultTestTimeout].
///
/// This function uses the [test] function in the test package to
/// register the given callback as a test. The callback, when run,
@ -56,6 +64,11 @@ typedef WidgetTesterCallback = Future<void> Function(WidgetTester widgetTester);
/// provides convenient widget [Finder]s for use with the
/// [WidgetTester].
///
/// See also:
///
/// * [AutomatedTestWidgetsFlutterBinding.addTime] to learn more about
/// timeout and how to manually increase timeouts.
///
/// ## Sample code
///
/// ```dart