94 lines
2.0 KiB
TypeScript
94 lines
2.0 KiB
TypeScript
import { queueJob, nextTick } from '../src/index'
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describe('scheduler', () => {
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it('queueJob', async () => {
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const calls: any = []
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const job1 = () => {
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calls.push('job1')
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}
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const job2 = () => {
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calls.push('job2')
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}
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queueJob(job1)
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queueJob(job2)
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expect(calls).toEqual([])
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await nextTick()
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expect(calls).toEqual(['job1', 'job2'])
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})
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it('queueJob while already flushing', async () => {
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const calls: any = []
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const job1 = () => {
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calls.push('job1')
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// job1 queues job2
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queueJob(job2)
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}
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const job2 = () => {
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calls.push('job2')
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}
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queueJob(job1)
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expect(calls).toEqual([])
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await nextTick()
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expect(calls).toEqual(['job1', 'job2'])
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})
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it('queueJob w/ postFlushCb', async () => {
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const calls: any = []
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const job1 = () => {
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calls.push('job1')
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}
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const job2 = () => {
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calls.push('job2')
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}
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const cb1 = () => {
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calls.push('cb1')
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}
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const cb2 = () => {
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calls.push('cb2')
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}
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queueJob(job1, cb1)
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queueJob(job2, cb2)
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await nextTick()
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expect(calls).toEqual(['job1', 'job2', 'cb1', 'cb2'])
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})
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it('queueJob w/ postFlushCb while flushing', async () => {
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const calls: any = []
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const job1 = () => {
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calls.push('job1')
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// job1 queues job2
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queueJob(job2, cb2)
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}
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const job2 = () => {
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calls.push('job2')
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}
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const cb1 = () => {
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calls.push('cb1')
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}
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const cb2 = () => {
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calls.push('cb2')
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}
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queueJob(job1, cb1)
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expect(calls).toEqual([])
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await nextTick()
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expect(calls).toEqual(['job1', 'job2', 'cb1', 'cb2'])
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})
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it('should dedupe queued tasks', async () => {
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const calls: any = []
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const job1 = () => {
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calls.push('job1')
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}
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const job2 = () => {
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calls.push('job2')
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}
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queueJob(job1)
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queueJob(job2)
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queueJob(job1)
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queueJob(job2)
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expect(calls).toEqual([])
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await nextTick()
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expect(calls).toEqual(['job1', 'job2'])
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})
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})
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