Open
Description
Name for new rule
advance-timers-with-fake-timers
Description of the new rule
Enforce using the advanceTimers option for user-event when using jest's useFakeTimers in order to prevent testing timeouts
Testing Library feature
user-event's advanceTimers option when using fake timers
Testing Library framework(s)
user-event (across any Testing Library framework that can use it)
What category of rule is this?
Warns about a potential error
Optional: other category of rule
No response
Code examples
Using fake timers within a test directly:
jest.useFakeTimers();
const user = userEvent.setup(); // Warn - advanceTimers not setbeforeEach(() => {
jest.useFakeTimers()
});
test('some behavior with user action', async () => {
const user = userEvent.setup(); // Warn - advanceTimers not set
// Test behavior
})Anything else?
No response
Do you want to submit a pull request to make the new rule?
No