geido commented on code in PR #36486:
URL: https://github.com/apache/superset/pull/36486#discussion_r2610648120
##########
superset-frontend/packages/superset-ui-core/src/components/TimezoneSelector/TimezoneSelector.DaylightSavingTime.test.tsx:
##########
@@ -37,25 +37,55 @@ afterEach(() => {
});
test('render timezones in correct order for daylight saving time', async () =>
{
+ // Set system time BEFORE loading component to ensure cache uses correct date
+ jest.useFakeTimers();
+ jest.setSystemTime(new Date('2022-07-01'));
+
const TimezoneSelector = await loadComponent('2022-07-01');
const onTimezoneChange = jest.fn();
- render(
+ const { container } = render(
<TimezoneSelector
onTimezoneChange={onTimezoneChange}
timezone="America/Nassau"
/>,
);
+ // Trigger data loading by clicking the select
const searchInput = screen.getByRole('combobox');
await userEvent.click(searchInput);
+ // Run timers to execute queueMicrotask/setTimeout callback
+ jest.runAllTimers();
+
+ // Wait for timezone data to load
+ await waitFor(() => {
+ expect(screen.queryByText('Loading...')).not.toBeInTheDocument();
Review Comment:
Nit: can we use `findByText` instead of `waitFor`?
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