File size: 4,152 Bytes
1e92f2d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 |
import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest'
import { sleep } from '@tanstack/query-test-utils'
import { asyncThrottle } from '../asyncThrottle'
describe('asyncThrottle', () => {
beforeEach(() => {
vi.useFakeTimers()
})
afterEach(() => {
vi.useRealTimers()
})
test('basic', async () => {
const interval = 10
const execTimeStamps: Array<number> = []
const mockFunc = vi.fn(
async (id: number, complete?: (value?: unknown) => void) => {
await sleep(1)
execTimeStamps.push(Date.now())
if (complete) {
complete(id)
}
},
)
const testFunc = asyncThrottle(mockFunc, { interval })
testFunc(1)
await vi.advanceTimersByTimeAsync(1)
testFunc(2)
await vi.advanceTimersByTimeAsync(1)
new Promise((resolve) => testFunc(3, resolve))
await vi.advanceTimersToNextTimerAsync()
await vi.advanceTimersByTimeAsync(interval)
expect(mockFunc).toBeCalledTimes(2)
expect(mockFunc.mock.calls[1]?.[0]).toBe(3)
expect(execTimeStamps.length).toBe(2)
expect(execTimeStamps[1]! - execTimeStamps[0]!).toBeGreaterThanOrEqual(
interval,
)
})
test('Bug #3331 case 1: Special timing', async () => {
const interval = 1000
const execTimeStamps: Array<number> = []
const mockFunc = vi.fn(
async (id: number, complete?: (value?: unknown) => void) => {
await sleep(30)
execTimeStamps.push(Date.now())
if (complete) {
complete(id)
}
},
)
const testFunc = asyncThrottle(mockFunc, { interval })
testFunc(1)
testFunc(2)
await vi.advanceTimersByTimeAsync(35)
testFunc(3)
await vi.advanceTimersByTimeAsync(35)
new Promise((resolve) => testFunc(4, resolve))
await vi.advanceTimersToNextTimerAsync()
await vi.advanceTimersByTimeAsync(interval)
expect(mockFunc).toBeCalledTimes(2)
expect(mockFunc.mock.calls[1]?.[0]).toBe(4)
expect(execTimeStamps.length).toBe(2)
expect(execTimeStamps[1]! - execTimeStamps[0]!).toBeGreaterThanOrEqual(
interval,
)
})
test('Bug #3331 case 2: "func" execution time is greater than the interval.', async () => {
const interval = 1000
const execTimeStamps: Array<number> = []
const mockFunc = vi.fn(
async (id: number, complete?: (value?: unknown) => void) => {
await sleep(interval + 10)
execTimeStamps.push(Date.now())
if (complete) {
complete(id)
}
},
)
const testFunc = asyncThrottle(mockFunc, { interval })
testFunc(1)
testFunc(2)
new Promise((resolve) => testFunc(3, resolve))
await vi.advanceTimersToNextTimerAsync()
await vi.advanceTimersByTimeAsync(interval + 10)
await vi.advanceTimersByTimeAsync(interval + 10)
expect(mockFunc).toBeCalledTimes(2)
expect(mockFunc.mock.calls[1]?.[0]).toBe(3)
expect(execTimeStamps.length).toBe(2)
expect(execTimeStamps[1]! - execTimeStamps[0]!).toBeGreaterThanOrEqual(
interval,
)
})
test('"func" throw error not break next invoke', async () => {
const interval = 10
const mockFunc = vi.fn(
async (id: number, complete?: (value?: unknown) => void) => {
if (id === 1) throw new Error('error')
await sleep(1)
if (complete) {
complete(id)
}
},
)
const testFunc = asyncThrottle(mockFunc, { interval })
testFunc(1)
await vi.advanceTimersByTimeAsync(1)
new Promise((resolve) => testFunc(2, resolve))
await vi.advanceTimersByTimeAsync(interval)
expect(mockFunc).toBeCalledTimes(2)
expect(mockFunc.mock.calls[1]?.[0]).toBe(2)
})
test('"onError" should be called when "func" throw error', () => {
const err = new Error('error')
const handleError = (e: unknown) => {
expect(e).toBe(err)
}
const testFunc = asyncThrottle(
() => {
throw err
},
{ onError: handleError },
)
testFunc()
})
test('should throw error when "func" is not a function', () => {
expect(() => asyncThrottle(1 as any)).toThrowError()
})
})
|