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Update delay document and add test confirming the delay behavior #1175

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Update delay document and add test confirming the delay behavior #1175

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2 changes: 1 addition & 1 deletion src/options.ts
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Expand Up @@ -37,7 +37,7 @@ export interface Options {

/**
* Between some subsequent inputs like typing a series of characters
* the code execution is delayed per `setTimeout` for (at least) `delay` seconds.
* the code execution is delayed per `setTimeout` for (at least) `delay` milliseconds.
* This moves the next changes at least to next macro task
* and allows other (asynchronous) code to run between events.
*
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11 changes: 11 additions & 0 deletions tests/keyboard/index.ts
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Expand Up @@ -127,6 +127,17 @@ describe('delay', () => {
expect(time0).toBeLessThan(performance.now() - 20)
})

test('delay keyboard 100 milliseconds between keydowns', async () => {
const {user} = setup('', {delay: 100})

const startTimer = performance.now()
await user.keyboard('foo')
const endTimer = performance.now()

expect(setTimeout).toHaveBeenCalledTimes(4)
expect(endTimer - startTimer).toBeGreaterThan(400)
})

test('do not call setTimeout with delay `null`', async () => {
const {user} = setup('', {delay: null})
await user.keyboard('foo')
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