FixedClusterPool,
FixedThreadPool,
PoolEvents,
- WorkerChoiceStrategies,
PoolTypes,
+ WorkerChoiceStrategies,
WorkerTypes
} = require('../../../lib')
const { CircularArray } = require('../../../lib/circular-array')
const { Queue } = require('../../../lib/queue')
+const { version } = require('../../../package.json')
+const { waitPoolEvents } = require('../../test-utils')
describe('Abstract pool test suite', () => {
const numberOfWorkers = 2
- class StubPoolWithRemoveAllWorker extends FixedThreadPool {
- removeAllWorker () {
- this.workerNodes = []
- this.promiseResponseMap.clear()
- }
- }
class StubPoolWithIsMain extends FixedThreadPool {
isMain () {
return false
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 that dynamic pool sizing is checked', () => {
+ expect(
+ () =>
+ new DynamicThreadPool(2, 1, './tests/worker-files/thread/testWorker.js')
+ ).toThrowError(
+ new RangeError(
+ 'Cannot instantiate a dynamic pool with a maximum pool size inferior to the minimum pool size'
+ )
+ )
+ expect(
+ () =>
+ new DynamicThreadPool(1, 1, './tests/worker-files/thread/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'
+ )
+ )
+ expect(
+ () =>
+ 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'
+ )
+ )
+ })
+
it('Verify that pool options are checked', async () => {
let pool = new FixedThreadPool(
numberOfWorkers,
WorkerChoiceStrategies.ROUND_ROBIN
)
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- medRunTime: false,
- medWaitTime: false
+ runTime: { median: false },
+ waitTime: { median: false },
+ elu: { median: false }
})
expect(pool.opts.messageHandler).toBeUndefined()
expect(pool.opts.errorHandler).toBeUndefined()
{
workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED,
workerChoiceStrategyOptions: {
- medRunTime: true,
+ runTime: { median: true },
weights: { 0: 300, 1: 200 }
},
enableEvents: false,
WorkerChoiceStrategies.LEAST_USED
)
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- medRunTime: true,
+ runTime: { median: true },
weights: { 0: 300, 1: 200 }
})
expect(pool.opts.messageHandler).toStrictEqual(testHandler)
numberOfWorkers,
'./tests/worker-files/thread/testWorker.js',
{
- enableTasksQueue: true,
- tasksQueueOptions: { concurrency: 0 }
+ workerChoiceStrategy: 'invalidStrategy'
}
)
- ).toThrowError("Invalid worker tasks concurrency '0'")
+ ).toThrowError("Invalid worker choice strategy 'invalidStrategy'")
expect(
() =>
new FixedThreadPool(
numberOfWorkers,
'./tests/worker-files/thread/testWorker.js',
{
- workerChoiceStrategy: 'invalidStrategy'
+ workerChoiceStrategyOptions: 'invalidOptions'
}
)
- ).toThrowError("Invalid worker choice strategy 'invalidStrategy'")
+ ).toThrowError(
+ 'Invalid worker choice strategy options: must be a plain object'
+ )
expect(
() =>
new FixedThreadPool(
).toThrowError(
'Invalid worker choice strategy options: must have a weight for each worker node'
)
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ workerChoiceStrategyOptions: { measurement: 'invalidMeasurement' }
+ }
+ )
+ ).toThrowError(
+ "Invalid worker choice strategy options: invalid measurement 'invalidMeasurement'"
+ )
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ enableTasksQueue: true,
+ tasksQueueOptions: { concurrency: 0 }
+ }
+ )
+ ).toThrowError("Invalid worker tasks concurrency '0'")
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ enableTasksQueue: true,
+ tasksQueueOptions: 'invalidTasksQueueOptions'
+ }
+ )
+ ).toThrowError('Invalid tasks queue options: must be a plain object')
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ enableTasksQueue: true,
+ tasksQueueOptions: { concurrency: 0.2 }
+ }
+ )
+ ).toThrowError('Invalid worker tasks concurrency: must be an integer')
})
- it('Verify that worker choice strategy options can be set', async () => {
+ it('Verify that pool worker choice strategy options can be set', async () => {
const pool = new FixedThreadPool(
numberOfWorkers,
'./tests/worker-files/thread/testWorker.js',
{ workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE }
)
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- medRunTime: false,
- medWaitTime: false
+ runTime: { median: false },
+ waitTime: { median: false },
+ elu: { median: false }
})
for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
.workerChoiceStrategies) {
expect(workerChoiceStrategy.opts).toStrictEqual({
- medRunTime: false,
- medWaitTime: false
+ runTime: { median: false },
+ waitTime: { median: false },
+ elu: { median: false }
})
}
- expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({
- runTime: true,
- avgRunTime: true,
- medRunTime: false,
- waitTime: false,
- avgWaitTime: false,
- medWaitTime: false,
- elu: false
+ expect(
+ pool.workerChoiceStrategyContext.getTaskStatisticsRequirements()
+ ).toStrictEqual({
+ runTime: {
+ aggregate: true,
+ average: true,
+ median: false
+ },
+ waitTime: {
+ aggregate: false,
+ average: false,
+ median: false
+ },
+ elu: {
+ aggregate: true,
+ average: true,
+ median: false
+ }
+ })
+ pool.setWorkerChoiceStrategyOptions({
+ runTime: { median: true },
+ elu: { median: true }
})
- pool.setWorkerChoiceStrategyOptions({ medRunTime: true })
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- medRunTime: true
+ runTime: { median: true },
+ elu: { median: true }
})
for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
.workerChoiceStrategies) {
- expect(workerChoiceStrategy.opts).toStrictEqual({ medRunTime: true })
+ expect(workerChoiceStrategy.opts).toStrictEqual({
+ runTime: { median: true },
+ elu: { median: true }
+ })
}
- expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({
- runTime: true,
- avgRunTime: false,
- medRunTime: true,
- waitTime: false,
- avgWaitTime: false,
- medWaitTime: false,
- elu: false
+ expect(
+ pool.workerChoiceStrategyContext.getTaskStatisticsRequirements()
+ ).toStrictEqual({
+ runTime: {
+ aggregate: true,
+ average: false,
+ median: true
+ },
+ waitTime: {
+ aggregate: false,
+ average: false,
+ median: false
+ },
+ elu: {
+ aggregate: true,
+ average: false,
+ median: true
+ }
+ })
+ pool.setWorkerChoiceStrategyOptions({
+ runTime: { median: false },
+ elu: { median: false }
})
- pool.setWorkerChoiceStrategyOptions({ medRunTime: false })
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- medRunTime: false
+ runTime: { median: false },
+ elu: { median: false }
})
for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
.workerChoiceStrategies) {
- expect(workerChoiceStrategy.opts).toStrictEqual({ medRunTime: false })
+ expect(workerChoiceStrategy.opts).toStrictEqual({
+ runTime: { median: false },
+ elu: { median: false }
+ })
}
- expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({
- runTime: true,
- avgRunTime: true,
- medRunTime: false,
- waitTime: false,
- avgWaitTime: false,
- medWaitTime: false,
- elu: false
+ expect(
+ pool.workerChoiceStrategyContext.getTaskStatisticsRequirements()
+ ).toStrictEqual({
+ runTime: {
+ aggregate: true,
+ average: true,
+ median: false
+ },
+ waitTime: {
+ aggregate: false,
+ average: false,
+ median: false
+ },
+ elu: {
+ aggregate: true,
+ average: true,
+ median: false
+ }
})
+ expect(() =>
+ pool.setWorkerChoiceStrategyOptions('invalidWorkerChoiceStrategyOptions')
+ ).toThrowError(
+ 'Invalid worker choice strategy options: must be a plain object'
+ )
+ expect(() =>
+ pool.setWorkerChoiceStrategyOptions({ weights: {} })
+ ).toThrowError(
+ 'Invalid worker choice strategy options: must have a weight for each worker node'
+ )
+ expect(() =>
+ pool.setWorkerChoiceStrategyOptions({ measurement: 'invalidMeasurement' })
+ ).toThrowError(
+ "Invalid worker choice strategy options: invalid measurement 'invalidMeasurement'"
+ )
await pool.destroy()
})
- it('Verify that tasks queue can be enabled/disabled', async () => {
+ it('Verify that pool tasks queue can be enabled/disabled', async () => {
const pool = new FixedThreadPool(
numberOfWorkers,
'./tests/worker-files/thread/testWorker.js'
await pool.destroy()
})
- it('Verify that tasks queue options can be set', async () => {
+ it('Verify that pool tasks queue options can be set', async () => {
const pool = new FixedThreadPool(
numberOfWorkers,
'./tests/worker-files/thread/testWorker.js',
expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 1 })
pool.setTasksQueueOptions({ concurrency: 2 })
expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 2 })
+ expect(() =>
+ pool.setTasksQueueOptions('invalidTasksQueueOptions')
+ ).toThrowError('Invalid tasks queue options: must be a plain object')
expect(() => pool.setTasksQueueOptions({ concurrency: 0 })).toThrowError(
"Invalid worker tasks concurrency '0'"
)
+ expect(() => pool.setTasksQueueOptions({ concurrency: 0.2 })).toThrowError(
+ 'Invalid worker tasks concurrency: must be an integer'
+ )
await pool.destroy()
})
'./tests/worker-files/thread/testWorker.js'
)
expect(pool.info).toStrictEqual({
+ version,
type: PoolTypes.fixed,
worker: WorkerTypes.thread,
+ ready: false,
+ strategy: WorkerChoiceStrategies.ROUND_ROBIN,
minSize: numberOfWorkers,
maxSize: numberOfWorkers,
workerNodes: numberOfWorkers,
idleWorkerNodes: numberOfWorkers,
busyWorkerNodes: 0,
- runningTasks: 0,
+ executedTasks: 0,
+ executingTasks: 0,
queuedTasks: 0,
- maxQueuedTasks: 0
+ maxQueuedTasks: 0,
+ failedTasks: 0
})
- await pool.destroy()
- pool = new DynamicClusterPool(
- numberOfWorkers,
- numberOfWorkers * 2,
- './tests/worker-files/thread/testWorker.js'
- )
+ await waitPoolEvents(pool, PoolEvents.ready, 1)
expect(pool.info).toStrictEqual({
- type: PoolTypes.dynamic,
- worker: WorkerTypes.cluster,
+ version,
+ type: PoolTypes.fixed,
+ worker: WorkerTypes.thread,
+ ready: true,
+ strategy: WorkerChoiceStrategies.ROUND_ROBIN,
minSize: numberOfWorkers,
- maxSize: numberOfWorkers * 2,
+ maxSize: numberOfWorkers,
workerNodes: numberOfWorkers,
idleWorkerNodes: numberOfWorkers,
busyWorkerNodes: 0,
- runningTasks: 0,
+ executedTasks: 0,
+ executingTasks: 0,
queuedTasks: 0,
- maxQueuedTasks: 0
+ maxQueuedTasks: 0,
+ failedTasks: 0
})
await pool.destroy()
- })
-
- it('Simulate worker not found', async () => {
- const pool = new StubPoolWithRemoveAllWorker(
+ pool = new DynamicClusterPool(
+ Math.floor(numberOfWorkers / 2),
numberOfWorkers,
- './tests/worker-files/cluster/testWorker.js',
- {
- errorHandler: e => console.error(e)
- }
+ './tests/worker-files/cluster/testWorker.js'
)
- expect(pool.workerNodes.length).toBe(numberOfWorkers)
- // Simulate worker not found.
- pool.removeAllWorker()
- expect(pool.workerNodes.length).toBe(0)
+ expect(pool.info).toStrictEqual({
+ version,
+ type: PoolTypes.dynamic,
+ worker: WorkerTypes.cluster,
+ ready: false,
+ strategy: WorkerChoiceStrategies.ROUND_ROBIN,
+ minSize: Math.floor(numberOfWorkers / 2),
+ maxSize: numberOfWorkers,
+ workerNodes: Math.floor(numberOfWorkers / 2),
+ idleWorkerNodes: Math.floor(numberOfWorkers / 2),
+ busyWorkerNodes: 0,
+ executedTasks: 0,
+ executingTasks: 0,
+ queuedTasks: 0,
+ maxQueuedTasks: 0,
+ failedTasks: 0
+ })
+ await waitPoolEvents(pool, PoolEvents.ready, 1)
+ expect(pool.info).toStrictEqual({
+ version,
+ type: PoolTypes.dynamic,
+ worker: WorkerTypes.cluster,
+ ready: true,
+ strategy: WorkerChoiceStrategies.ROUND_ROBIN,
+ minSize: Math.floor(numberOfWorkers / 2),
+ maxSize: numberOfWorkers,
+ workerNodes: Math.floor(numberOfWorkers / 2),
+ idleWorkerNodes: Math.floor(numberOfWorkers / 2),
+ busyWorkerNodes: 0,
+ executedTasks: 0,
+ executingTasks: 0,
+ queuedTasks: 0,
+ maxQueuedTasks: 0,
+ failedTasks: 0
+ })
await pool.destroy()
})
- it('Verify that worker pool tasks usage are initialized', async () => {
+ it('Verify that pool worker tasks usage are initialized', async () => {
const pool = new FixedClusterPool(
numberOfWorkers,
'./tests/worker-files/cluster/testWorker.js'
)
for (const workerNode of pool.workerNodes) {
- expect(workerNode.tasksUsage).toStrictEqual({
- ran: 0,
- running: 0,
- runTime: 0,
- runTimeHistory: expect.any(CircularArray),
- avgRunTime: 0,
- medRunTime: 0,
- waitTime: 0,
- waitTimeHistory: expect.any(CircularArray),
- avgWaitTime: 0,
- medWaitTime: 0,
- error: 0,
- elu: undefined
+ expect(workerNode.usage).toStrictEqual({
+ tasks: {
+ executed: 0,
+ executing: 0,
+ queued: 0,
+ maxQueued: 0,
+ failed: 0
+ },
+ runTime: {
+ history: expect.any(CircularArray)
+ },
+ waitTime: {
+ history: expect.any(CircularArray)
+ },
+ elu: {
+ idle: {
+ history: expect.any(CircularArray)
+ },
+ active: {
+ history: expect.any(CircularArray)
+ }
+ }
})
}
await pool.destroy()
})
- it('Verify that worker pool tasks queue are initialized', async () => {
- const pool = new FixedClusterPool(
+ it('Verify that pool worker tasks queue are initialized', async () => {
+ let pool = new FixedClusterPool(
numberOfWorkers,
'./tests/worker-files/cluster/testWorker.js'
)
expect(workerNode.tasksQueue).toBeDefined()
expect(workerNode.tasksQueue).toBeInstanceOf(Queue)
expect(workerNode.tasksQueue.size).toBe(0)
+ expect(workerNode.tasksQueue.maxSize).toBe(0)
}
await pool.destroy()
+ pool = new DynamicThreadPool(
+ Math.floor(numberOfWorkers / 2),
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js'
+ )
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksQueue).toBeDefined()
+ expect(workerNode.tasksQueue).toBeInstanceOf(Queue)
+ expect(workerNode.tasksQueue.size).toBe(0)
+ expect(workerNode.tasksQueue.maxSize).toBe(0)
+ }
})
- it('Verify that worker pool tasks usage are computed', async () => {
+ it('Verify that pool worker info are initialized', async () => {
+ let pool = new FixedClusterPool(
+ numberOfWorkers,
+ './tests/worker-files/cluster/testWorker.js'
+ )
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.info).toStrictEqual({
+ id: expect.any(Number),
+ type: WorkerTypes.cluster,
+ dynamic: false,
+ ready: false
+ })
+ }
+ await waitPoolEvents(pool, PoolEvents.ready, 1)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.info).toStrictEqual({
+ id: expect.any(Number),
+ type: WorkerTypes.cluster,
+ dynamic: false,
+ ready: true
+ })
+ }
+ await pool.destroy()
+ pool = new DynamicThreadPool(
+ Math.floor(numberOfWorkers / 2),
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js'
+ )
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.info).toStrictEqual({
+ id: expect.any(Number),
+ type: WorkerTypes.thread,
+ dynamic: false,
+ ready: false
+ })
+ }
+ await waitPoolEvents(pool, PoolEvents.ready, 1)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.info).toStrictEqual({
+ id: expect.any(Number),
+ type: WorkerTypes.thread,
+ dynamic: false,
+ ready: true
+ })
+ }
+ })
+
+ it('Verify that pool worker tasks usage are computed', async () => {
const pool = new FixedClusterPool(
numberOfWorkers,
'./tests/worker-files/cluster/testWorker.js'
promises.add(pool.execute())
}
for (const workerNode of pool.workerNodes) {
- expect(workerNode.tasksUsage).toStrictEqual({
- ran: 0,
- running: maxMultiplier,
- runTime: 0,
- runTimeHistory: expect.any(CircularArray),
- avgRunTime: 0,
- medRunTime: 0,
- waitTime: 0,
- waitTimeHistory: expect.any(CircularArray),
- avgWaitTime: 0,
- medWaitTime: 0,
- error: 0,
- elu: undefined
+ expect(workerNode.usage).toStrictEqual({
+ tasks: {
+ executed: 0,
+ executing: maxMultiplier,
+ queued: 0,
+ maxQueued: 0,
+ failed: 0
+ },
+ runTime: {
+ history: expect.any(CircularArray)
+ },
+ waitTime: {
+ history: expect.any(CircularArray)
+ },
+ elu: {
+ idle: {
+ history: expect.any(CircularArray)
+ },
+ active: {
+ history: expect.any(CircularArray)
+ }
+ }
})
}
await Promise.all(promises)
for (const workerNode of pool.workerNodes) {
- expect(workerNode.tasksUsage).toStrictEqual({
- ran: maxMultiplier,
- running: 0,
- runTime: 0,
- runTimeHistory: expect.any(CircularArray),
- avgRunTime: 0,
- medRunTime: 0,
- waitTime: 0,
- waitTimeHistory: expect.any(CircularArray),
- avgWaitTime: 0,
- medWaitTime: 0,
- error: 0,
- elu: undefined
+ expect(workerNode.usage).toStrictEqual({
+ tasks: {
+ executed: maxMultiplier,
+ executing: 0,
+ queued: 0,
+ maxQueued: 0,
+ failed: 0
+ },
+ runTime: {
+ history: expect.any(CircularArray)
+ },
+ waitTime: {
+ history: expect.any(CircularArray)
+ },
+ elu: {
+ idle: {
+ history: expect.any(CircularArray)
+ },
+ active: {
+ history: expect.any(CircularArray)
+ }
+ }
})
}
await pool.destroy()
})
- it('Verify that worker pool tasks usage are reset at worker choice strategy change', async () => {
+ it('Verify that pool worker tasks usage are reset at worker choice strategy change', async () => {
const pool = new DynamicThreadPool(
- numberOfWorkers,
+ Math.floor(numberOfWorkers / 2),
numberOfWorkers,
'./tests/worker-files/thread/testWorker.js'
)
}
await Promise.all(promises)
for (const workerNode of pool.workerNodes) {
- expect(workerNode.tasksUsage).toStrictEqual({
- ran: expect.any(Number),
- running: 0,
- runTime: 0,
- runTimeHistory: expect.any(CircularArray),
- avgRunTime: 0,
- medRunTime: 0,
- waitTime: 0,
- waitTimeHistory: expect.any(CircularArray),
- avgWaitTime: 0,
- medWaitTime: 0,
- error: 0,
- elu: undefined
+ expect(workerNode.usage).toStrictEqual({
+ tasks: {
+ executed: expect.any(Number),
+ executing: 0,
+ queued: 0,
+ maxQueued: 0,
+ failed: 0
+ },
+ runTime: {
+ history: expect.any(CircularArray)
+ },
+ waitTime: {
+ history: expect.any(CircularArray)
+ },
+ elu: {
+ idle: {
+ history: expect.any(CircularArray)
+ },
+ active: {
+ history: expect.any(CircularArray)
+ }
+ }
})
- expect(workerNode.tasksUsage.ran).toBeGreaterThan(0)
- expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(maxMultiplier)
+ expect(workerNode.usage.tasks.executed).toBeGreaterThan(0)
+ expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual(maxMultiplier)
}
pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE)
for (const workerNode of pool.workerNodes) {
- expect(workerNode.tasksUsage).toStrictEqual({
- ran: 0,
- running: 0,
- runTime: 0,
- runTimeHistory: expect.any(CircularArray),
- avgRunTime: 0,
- medRunTime: 0,
- waitTime: 0,
- waitTimeHistory: expect.any(CircularArray),
- avgWaitTime: 0,
- medWaitTime: 0,
- error: 0,
- elu: undefined
+ expect(workerNode.usage).toStrictEqual({
+ tasks: {
+ executed: 0,
+ executing: 0,
+ queued: 0,
+ maxQueued: 0,
+ failed: 0
+ },
+ runTime: {
+ history: expect.any(CircularArray)
+ },
+ waitTime: {
+ history: expect.any(CircularArray)
+ },
+ elu: {
+ idle: {
+ history: expect.any(CircularArray)
+ },
+ active: {
+ history: expect.any(CircularArray)
+ }
+ }
})
- expect(workerNode.tasksUsage.runTimeHistory.length).toBe(0)
- expect(workerNode.tasksUsage.waitTimeHistory.length).toBe(0)
+ expect(workerNode.usage.runTime.history.length).toBe(0)
+ expect(workerNode.usage.waitTime.history.length).toBe(0)
}
await pool.destroy()
})
it("Verify that pool event emitter 'full' event can register a callback", async () => {
const pool = new DynamicThreadPool(
- numberOfWorkers,
+ Math.floor(numberOfWorkers / 2),
numberOfWorkers,
'./tests/worker-files/thread/testWorker.js'
)
const promises = new Set()
let poolFull = 0
- pool.emitter.on(PoolEvents.full, () => ++poolFull)
+ let poolInfo
+ pool.emitter.on(PoolEvents.full, info => {
+ ++poolFull
+ poolInfo = info
+ })
for (let i = 0; i < numberOfWorkers * 2; i++) {
promises.add(pool.execute())
}
await Promise.all(promises)
- // The `full` event is triggered when the number of submitted tasks at once reach the max number of workers in the dynamic pool.
- // So in total numberOfWorkers * 2 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool with min = max = numberOfWorkers.
- expect(poolFull).toBe(numberOfWorkers * 2)
+ // The `full` event is triggered when the number of submitted tasks at once reach the maximum number of workers in the dynamic pool.
+ // So in total numberOfWorkers * 2 - 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool with min = (max = numberOfWorkers) / 2.
+ expect(poolFull).toBe(numberOfWorkers * 2 - 1)
+ expect(poolInfo).toStrictEqual({
+ version,
+ type: PoolTypes.dynamic,
+ worker: WorkerTypes.thread,
+ ready: expect.any(Boolean),
+ strategy: WorkerChoiceStrategies.ROUND_ROBIN,
+ minSize: expect.any(Number),
+ maxSize: expect.any(Number),
+ workerNodes: expect.any(Number),
+ idleWorkerNodes: expect.any(Number),
+ 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 DynamicClusterPool(
+ Math.floor(numberOfWorkers / 2),
+ numberOfWorkers,
+ './tests/worker-files/cluster/testWorker.js'
+ )
+ let poolReady = 0
+ let poolInfo
+ pool.emitter.on(PoolEvents.ready, info => {
+ ++poolReady
+ poolInfo = info
+ })
+ await waitPoolEvents(pool, PoolEvents.ready, 1)
+ expect(poolReady).toBe(1)
+ expect(poolInfo).toStrictEqual({
+ version,
+ type: PoolTypes.dynamic,
+ worker: WorkerTypes.cluster,
+ ready: true,
+ strategy: WorkerChoiceStrategies.ROUND_ROBIN,
+ minSize: expect.any(Number),
+ maxSize: expect.any(Number),
+ workerNodes: expect.any(Number),
+ idleWorkerNodes: expect.any(Number),
+ 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
- pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
+ let poolInfo
+ pool.emitter.on(PoolEvents.busy, info => {
+ ++poolBusy
+ poolInfo = info
+ })
for (let i = 0; i < numberOfWorkers * 2; i++) {
promises.add(pool.execute())
}
// The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers.
// So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the fixed pool.
expect(poolBusy).toBe(numberOfWorkers + 1)
+ expect(poolInfo).toStrictEqual({
+ version,
+ type: PoolTypes.fixed,
+ worker: WorkerTypes.thread,
+ ready: expect.any(Boolean),
+ strategy: WorkerChoiceStrategies.ROUND_ROBIN,
+ minSize: expect.any(Number),
+ maxSize: expect.any(Number),
+ workerNodes: expect.any(Number),
+ idleWorkerNodes: expect.any(Number),
+ 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 () => {
const pool = new DynamicClusterPool(
+ Math.floor(numberOfWorkers / 2),
numberOfWorkers,
- numberOfWorkers * 2,
'./tests/worker-files/cluster/testMultiTasksWorker.js'
)
const data = { n: 10 }
const result0 = await pool.execute(data)
- expect(result0).toBe(false)
+ expect(result0).toStrictEqual({ ok: 1 })
const result1 = await pool.execute(data, 'jsonIntegerSerialization')
- expect(result1).toBe(false)
+ expect(result1).toStrictEqual({ ok: 1 })
const result2 = await pool.execute(data, 'factorial')
expect(result2).toBe(3628800)
const result3 = await pool.execute(data, 'fibonacci')
- expect(result3).toBe(89)
+ expect(result3).toBe(55)
})
})
repositories / poolifier.git / blobdiff