FixedClusterPool,
FixedThreadPool,
PoolEvents,
- WorkerChoiceStrategies,
PoolTypes,
+ WorkerChoiceStrategies,
WorkerTypes
} = require('../../../lib')
const { CircularArray } = require('../../../lib/circular-array')
numberOfWorkers,
'./tests/worker-files/thread/testWorker.js',
{
- errorHandler: e => console.error(e)
+ errorHandler: (e) => console.error(e)
}
)
- ).toThrowError('Cannot start a pool from a worker!')
+ ).toThrowError(
+ 'Cannot start a pool from a worker with the same type as the pool'
+ )
})
it('Verify that filePath is checked', () => {
expect(() => new FixedThreadPool(numberOfWorkers, '')).toThrowError(
expectedError
)
+ expect(() => new FixedThreadPool(numberOfWorkers, 0)).toThrowError(
+ expectedError
+ )
+ expect(() => new FixedThreadPool(numberOfWorkers, true)).toThrowError(
+ expectedError
+ )
+ expect(
+ () => new FixedThreadPool(numberOfWorkers, './dummyWorker.ts')
+ ).toThrowError(new Error("Cannot find the worker file './dummyWorker.ts'"))
})
it('Verify that numberOfWorkers is checked', () => {
)
})
- it('Verify dynamic pool sizing', () => {
+ it('Verify that dynamic pool sizing is checked', () => {
+ expect(
+ () =>
+ new DynamicClusterPool(
+ 1,
+ undefined,
+ './tests/worker-files/cluster/testWorker.js'
+ )
+ ).toThrowError(
+ new TypeError(
+ 'Cannot instantiate a dynamic pool without specifying the maximum pool size'
+ )
+ )
+ expect(
+ () =>
+ new DynamicThreadPool(
+ 0.5,
+ 1,
+ './tests/worker-files/thread/testWorker.js'
+ )
+ ).toThrowError(
+ new TypeError(
+ 'Cannot instantiate a pool with a non safe integer number of workers'
+ )
+ )
+ expect(
+ () =>
+ new DynamicClusterPool(
+ 0,
+ 0.5,
+ './tests/worker-files/cluster/testWorker.js'
+ )
+ ).toThrowError(
+ new TypeError(
+ 'Cannot instantiate a dynamic pool with a non safe integer maximum pool size'
+ )
+ )
expect(
() =>
new DynamicThreadPool(2, 1, './tests/worker-files/thread/testWorker.js')
)
expect(
() =>
- new DynamicThreadPool(1, 1, './tests/worker-files/thread/testWorker.js')
+ new DynamicClusterPool(
+ 1,
+ 1,
+ './tests/worker-files/cluster/testWorker.js'
+ )
).toThrowError(
new RangeError(
'Cannot instantiate a dynamic pool with a minimum pool size equal to the maximum pool size. Use a fixed pool instead'
new DynamicThreadPool(0, 0, './tests/worker-files/thread/testWorker.js')
).toThrowError(
new RangeError(
- 'Cannot instantiate a dynamic pool with a minimum pool size and a maximum pool size equal to zero'
+ 'Cannot instantiate a dynamic pool with a maximum pool size equal to zero'
)
)
})
WorkerChoiceStrategies.ROUND_ROBIN
)
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+ choiceRetries: 6,
+ runTime: { median: false },
+ waitTime: { median: false },
+ elu: { median: false }
+ })
+ expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
+ choiceRetries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
expect(pool.opts.onlineHandler).toBeUndefined()
expect(pool.opts.exitHandler).toBeUndefined()
await pool.destroy()
- const testHandler = () => console.log('test handler executed')
+ const testHandler = () => console.info('test handler executed')
pool = new FixedThreadPool(
numberOfWorkers,
'./tests/worker-files/thread/testWorker.js',
WorkerChoiceStrategies.LEAST_USED
)
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+ choiceRetries: 6,
runTime: { median: true },
+ waitTime: { median: false },
+ elu: { median: false },
+ weights: { 0: 300, 1: 200 }
+ })
+ expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
+ choiceRetries: 6,
+ runTime: { median: true },
+ waitTime: { median: false },
+ elu: { median: false },
weights: { 0: 300, 1: 200 }
})
expect(pool.opts.messageHandler).toStrictEqual(testHandler)
}
)
).toThrowError("Invalid worker choice strategy 'invalidStrategy'")
- expect(
- () =>
- new FixedThreadPool(
- numberOfWorkers,
- './tests/worker-files/thread/testWorker.js',
- {
- workerChoiceStrategyOptions: 'invalidOptions'
- }
- )
- ).toThrowError(
- 'Invalid worker choice strategy options: must be a plain object'
- )
expect(
() =>
new FixedThreadPool(
{ workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE }
)
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+ choiceRetries: 6,
+ runTime: { median: false },
+ waitTime: { median: false },
+ elu: { median: false }
+ })
+ expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
+ choiceRetries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
.workerChoiceStrategies) {
expect(workerChoiceStrategy.opts).toStrictEqual({
+ choiceRetries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
elu: { median: true }
})
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+ choiceRetries: 6,
runTime: { median: true },
+ waitTime: { median: false },
+ elu: { median: true }
+ })
+ expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
+ choiceRetries: 6,
+ runTime: { median: true },
+ waitTime: { median: false },
elu: { median: true }
})
for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
.workerChoiceStrategies) {
expect(workerChoiceStrategy.opts).toStrictEqual({
+ choiceRetries: 6,
runTime: { median: true },
+ waitTime: { median: false },
elu: { median: true }
})
}
elu: { median: false }
})
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+ choiceRetries: 6,
runTime: { median: false },
+ waitTime: { median: false },
+ elu: { median: false }
+ })
+ expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
+ choiceRetries: 6,
+ runTime: { median: false },
+ waitTime: { median: false },
elu: { median: false }
})
for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
.workerChoiceStrategies) {
expect(workerChoiceStrategy.opts).toStrictEqual({
+ choiceRetries: 6,
runTime: { median: false },
+ waitTime: { median: false },
elu: { median: false }
})
}
version,
type: PoolTypes.fixed,
worker: WorkerTypes.thread,
- ready: false,
+ ready: true,
strategy: WorkerChoiceStrategies.ROUND_ROBIN,
minSize: numberOfWorkers,
maxSize: numberOfWorkers,
busyWorkerNodes: 0,
executedTasks: 0,
executingTasks: 0,
- queuedTasks: 0,
- maxQueuedTasks: 0,
failedTasks: 0
})
await pool.destroy()
version,
type: PoolTypes.dynamic,
worker: WorkerTypes.cluster,
- ready: false,
+ ready: true,
strategy: WorkerChoiceStrategies.ROUND_ROBIN,
minSize: Math.floor(numberOfWorkers / 2),
maxSize: numberOfWorkers,
busyWorkerNodes: 0,
executedTasks: 0,
executingTasks: 0,
- queuedTasks: 0,
- maxQueuedTasks: 0,
failedTasks: 0
})
await pool.destroy()
id: expect.any(Number),
type: WorkerTypes.cluster,
dynamic: false,
- ready: false
+ ready: true
})
}
await pool.destroy()
id: expect.any(Number),
type: WorkerTypes.thread,
dynamic: false,
- ready: false
+ ready: true
})
}
})
})
expect(workerNode.usage.tasks.executed).toBeGreaterThan(0)
expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual(maxMultiplier)
+ expect(workerNode.usage.runTime.history.length).toBe(0)
+ expect(workerNode.usage.waitTime.history.length).toBe(0)
+ expect(workerNode.usage.elu.idle.history.length).toBe(0)
+ expect(workerNode.usage.elu.active.history.length).toBe(0)
}
pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE)
for (const workerNode of pool.workerNodes) {
})
expect(workerNode.usage.runTime.history.length).toBe(0)
expect(workerNode.usage.waitTime.history.length).toBe(0)
+ expect(workerNode.usage.elu.idle.history.length).toBe(0)
+ expect(workerNode.usage.elu.active.history.length).toBe(0)
}
await pool.destroy()
})
const promises = new Set()
let poolFull = 0
let poolInfo
- pool.emitter.on(PoolEvents.full, info => {
+ pool.emitter.on(PoolEvents.full, (info) => {
++poolFull
poolInfo = info
})
busyWorkerNodes: expect.any(Number),
executedTasks: expect.any(Number),
executingTasks: expect.any(Number),
- queuedTasks: expect.any(Number),
- maxQueuedTasks: expect.any(Number),
failedTasks: expect.any(Number)
})
await pool.destroy()
})
it("Verify that pool event emitter 'ready' event can register a callback", async () => {
- const pool = new FixedClusterPool(
+ const pool = new DynamicClusterPool(
+ Math.floor(numberOfWorkers / 2),
numberOfWorkers,
'./tests/worker-files/cluster/testWorker.js'
)
- let poolReady = 0
let poolInfo
- pool.emitter.on(PoolEvents.ready, info => {
+ let poolReady = 0
+ pool.emitter.on(PoolEvents.ready, (info) => {
++poolReady
poolInfo = info
})
expect(poolReady).toBe(1)
expect(poolInfo).toStrictEqual({
version,
- type: PoolTypes.fixed,
+ type: PoolTypes.dynamic,
worker: WorkerTypes.cluster,
ready: true,
strategy: WorkerChoiceStrategies.ROUND_ROBIN,
busyWorkerNodes: expect.any(Number),
executedTasks: expect.any(Number),
executingTasks: expect.any(Number),
- queuedTasks: expect.any(Number),
- maxQueuedTasks: expect.any(Number),
failedTasks: expect.any(Number)
})
await pool.destroy()
const promises = new Set()
let poolBusy = 0
let poolInfo
- pool.emitter.on(PoolEvents.busy, info => {
+ pool.emitter.on(PoolEvents.busy, (info) => {
++poolBusy
poolInfo = info
})
busyWorkerNodes: expect.any(Number),
executedTasks: expect.any(Number),
executingTasks: expect.any(Number),
- queuedTasks: expect.any(Number),
- maxQueuedTasks: expect.any(Number),
failedTasks: expect.any(Number)
})
await pool.destroy()
})
- it('Verify that multiple tasks worker is working', async () => {
+ it('Verify that listTaskFunctions() is working', async () => {
+ const dynamicThreadPool = new DynamicThreadPool(
+ Math.floor(numberOfWorkers / 2),
+ numberOfWorkers,
+ './tests/worker-files/thread/testMultipleTaskFunctionsWorker.js'
+ )
+ await waitPoolEvents(dynamicThreadPool, PoolEvents.ready, 1)
+ expect(dynamicThreadPool.listTaskFunctions()).toStrictEqual([
+ 'default',
+ 'jsonIntegerSerialization',
+ 'factorial',
+ 'fibonacci'
+ ])
+ const fixedClusterPool = new FixedClusterPool(
+ numberOfWorkers,
+ './tests/worker-files/cluster/testMultipleTaskFunctionsWorker.js'
+ )
+ await waitPoolEvents(fixedClusterPool, PoolEvents.ready, 1)
+ expect(fixedClusterPool.listTaskFunctions()).toStrictEqual([
+ 'default',
+ 'jsonIntegerSerialization',
+ 'factorial',
+ 'fibonacci'
+ ])
+ })
+
+ it('Verify that multiple task functions worker is working', async () => {
const pool = new DynamicClusterPool(
Math.floor(numberOfWorkers / 2),
numberOfWorkers,
- './tests/worker-files/cluster/testMultiTasksWorker.js'
+ './tests/worker-files/cluster/testMultipleTaskFunctionsWorker.js'
)
const data = { n: 10 }
const result0 = await pool.execute(data)
expect(result2).toBe(3628800)
const result3 = await pool.execute(data, 'fibonacci')
expect(result3).toBe(55)
+ expect(pool.info.executingTasks).toBe(0)
+ expect(pool.info.executedTasks).toBe(4)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.info.taskFunctions).toStrictEqual([
+ 'default',
+ 'jsonIntegerSerialization',
+ 'factorial',
+ 'fibonacci'
+ ])
+ expect(workerNode.taskFunctionsUsage.size).toBe(3)
+ for (const name of pool.listTaskFunctions()) {
+ expect(workerNode.getTaskFunctionWorkerUsage(name)).toStrictEqual({
+ tasks: {
+ executed: expect.any(Number),
+ executing: expect.any(Number),
+ failed: 0,
+ queued: 0
+ },
+ runTime: {
+ history: expect.any(CircularArray)
+ },
+ waitTime: {
+ history: expect.any(CircularArray)
+ },
+ elu: {
+ idle: {
+ history: expect.any(CircularArray)
+ },
+ active: {
+ history: expect.any(CircularArray)
+ }
+ }
+ })
+ expect(
+ workerNode.getTaskFunctionWorkerUsage(name).tasks.executing
+ ).toBeGreaterThanOrEqual(0)
+ }
+ }
})
})
repositories / poolifier.git / blobdiff