lib/tests/util/support/timeout.test.ts

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2021-11-26 20:31:59 +00:00
import { expect } from 'chai'
import * as sinon from 'sinon'
import { withTimeout } from '../../../lib'
const timeoutPromise = (timeout: number) => new Promise(res => {
setTimeout(res, timeout)
})
describe('util -> support -> timeout -> withTimeout', () => {
it('should call the on-time subscriber when promise resolves', async () => {
const onTimeSpy = sinon.spy()
const lateSpy = sinon.spy()
const timeoutSpy = sinon.spy()
await withTimeout(100, timeoutPromise(50))
.onTime(onTimeSpy)
.late(lateSpy)
.timeout(timeoutSpy)
.run()
await timeoutPromise(100)
expect(onTimeSpy.callCount).to.equal(1)
expect(timeoutSpy.callCount).to.equal(0)
expect(lateSpy.callCount).to.equal(0)
})
it('should call the late and timeout subscribers when promise resolves late', async () => {
const onTimeSpy = sinon.spy()
const lateSpy = sinon.spy()
const timeoutSpy = sinon.spy()
await withTimeout(50, timeoutPromise(100))
.onTime(onTimeSpy)
.late(lateSpy)
.timeout(timeoutSpy)
.run()
await timeoutPromise(100)
expect(onTimeSpy.callCount).to.equal(0)
expect(timeoutSpy.callCount).to.equal(1)
expect(lateSpy.callCount).to.equal(1)
})
it('should resolve the run() promise when the promise completes', async () => {
const runSpy = sinon.spy()
await withTimeout(50, timeoutPromise(10))
.run()
.then(runSpy)
await timeoutPromise(100)
expect(runSpy.callCount).to.be.equal(1)
})
})