} = require('../../../lib')
const { CircularArray } = require('../../../lib/circular-array')
const { Deque } = require('../../../lib/deque')
+const { DEFAULT_TASK_NAME } = require('../../../lib/utils')
const { version } = require('../../../package.json')
const { waitPoolEvents } = require('../../test-utils')
)
})
+ it('Verify that pool statuses properties are set', async () => {
+ const pool = new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js'
+ )
+ expect(pool.starting).toBe(false)
+ expect(pool.started).toBe(true)
+ await pool.destroy()
+ })
+
it('Verify that filePath is checked', () => {
const expectedError = new Error(
'Please specify a file with a worker implementation'
)
expect(
() =>
- new DynamicClusterPool(
- 1,
- 1,
- './tests/worker-files/cluster/testWorker.js'
- )
+ new DynamicThreadPool(0, 0, './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'
+ 'Cannot instantiate a dynamic pool with a maximum pool size equal to zero'
)
)
expect(
() =>
- new DynamicThreadPool(0, 0, './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 maximum pool size equal to zero'
+ 'Cannot instantiate a dynamic pool with a minimum pool size equal to the maximum pool size. Use a fixed pool instead'
)
)
})
WorkerChoiceStrategies.ROUND_ROBIN
)
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
})
expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
WorkerChoiceStrategies.LEAST_USED
)
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: true },
waitTime: { median: false },
elu: { median: false },
weights: { 0: 300, 1: 200 }
})
expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: true },
waitTime: { median: false },
elu: { median: false },
).toThrowError(
new Error("Invalid worker choice strategy 'invalidStrategy'")
)
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ workerChoiceStrategyOptions: {
+ retries: 'invalidChoiceRetries'
+ }
+ }
+ )
+ ).toThrowError(
+ new TypeError(
+ 'Invalid worker choice strategy options: retries must be an integer'
+ )
+ )
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ workerChoiceStrategyOptions: {
+ retries: -1
+ }
+ }
+ )
+ ).toThrowError(
+ new RangeError(
+ "Invalid worker choice strategy options: retries '-1' must be greater or equal than zero"
+ )
+ )
expect(
() =>
new FixedThreadPool(
"Invalid worker choice strategy options: invalid measurement 'invalidMeasurement'"
)
)
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ enableTasksQueue: true,
+ tasksQueueOptions: 'invalidTasksQueueOptions'
+ }
+ )
+ ).toThrowError(
+ new TypeError('Invalid tasks queue options: must be a plain object')
+ )
expect(
() =>
new FixedThreadPool(
'./tests/worker-files/thread/testWorker.js',
{
enableTasksQueue: true,
- tasksQueueOptions: 'invalidTasksQueueOptions'
+ tasksQueueOptions: { concurrency: -1 }
}
)
).toThrowError(
- new TypeError('Invalid tasks queue options: must be a plain object')
+ new RangeError(
+ 'Invalid worker node tasks concurrency: -1 is a negative integer or zero'
+ )
)
expect(
() =>
).toThrowError(
new TypeError('Invalid worker node tasks concurrency: must be an integer')
)
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ enableTasksQueue: true,
+ tasksQueueOptions: { queueMaxSize: 2 }
+ }
+ )
+ ).toThrowError(
+ new Error(
+ 'Invalid tasks queue options: queueMaxSize is deprecated, please use size instead'
+ )
+ )
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ enableTasksQueue: true,
+ tasksQueueOptions: { size: 0 }
+ }
+ )
+ ).toThrowError(
+ new RangeError(
+ 'Invalid worker node tasks queue size: 0 is a negative integer or zero'
+ )
+ )
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ enableTasksQueue: true,
+ tasksQueueOptions: { size: -1 }
+ }
+ )
+ ).toThrowError(
+ new RangeError(
+ 'Invalid worker node tasks queue size: -1 is a negative integer or zero'
+ )
+ )
+ expect(
+ () =>
+ new FixedThreadPool(
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ enableTasksQueue: true,
+ tasksQueueOptions: { size: 0.2 }
+ }
+ )
+ ).toThrowError(
+ new TypeError('Invalid worker node tasks queue size: must be an integer')
+ )
})
it('Verify that pool worker choice strategy options can be set', async () => {
{ workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE }
)
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
})
expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
.workerChoiceStrategies) {
expect(workerChoiceStrategy.opts).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
elu: { median: true }
})
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: true },
waitTime: { median: false },
elu: { median: true }
})
expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: true },
waitTime: { median: false },
elu: { median: true }
for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
.workerChoiceStrategies) {
expect(workerChoiceStrategy.opts).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: true },
waitTime: { median: false },
elu: { median: true }
elu: { median: false }
})
expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
})
expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
.workerChoiceStrategies) {
expect(workerChoiceStrategy.opts).toStrictEqual({
- choiceRetries: 6,
+ retries: 6,
runTime: { median: false },
waitTime: { median: false },
elu: { median: false }
'Invalid worker choice strategy options: must be a plain object'
)
)
+ expect(() =>
+ pool.setWorkerChoiceStrategyOptions({
+ retries: 'invalidChoiceRetries'
+ })
+ ).toThrowError(
+ new TypeError(
+ 'Invalid worker choice strategy options: retries must be an integer'
+ )
+ )
+ expect(() =>
+ pool.setWorkerChoiceStrategyOptions({ retries: -1 })
+ ).toThrowError(
+ new RangeError(
+ "Invalid worker choice strategy options: retries '-1' must be greater or equal than zero"
+ )
+ )
expect(() =>
pool.setWorkerChoiceStrategyOptions({ weights: {} })
).toThrowError(
expect(() => pool.setTasksQueueOptions({ concurrency: 0.2 })).toThrowError(
new TypeError('Invalid worker node tasks concurrency: must be an integer')
)
+ expect(() => pool.setTasksQueueOptions({ queueMaxSize: 2 })).toThrowError(
+ new Error(
+ 'Invalid tasks queue options: queueMaxSize is deprecated, please use size instead'
+ )
+ )
expect(() => pool.setTasksQueueOptions({ size: 0 })).toThrowError(
new RangeError(
- 'Invalid worker node tasks queue max size: 0 is a negative integer or zero'
+ 'Invalid worker node tasks queue size: 0 is a negative integer or zero'
)
)
expect(() => pool.setTasksQueueOptions({ size: -1 })).toThrowError(
new RangeError(
- 'Invalid worker node tasks queue max size: -1 is a negative integer or zero'
+ 'Invalid worker node tasks queue size: -1 is a negative integer or zero'
)
)
expect(() => pool.setTasksQueueOptions({ size: 0.2 })).toThrowError(
- new TypeError(
- 'Invalid worker node tasks queue max size: must be an integer'
- )
+ new TypeError('Invalid worker node tasks queue size: must be an integer')
)
await pool.destroy()
})
executing: 0,
queued: 0,
maxQueued: 0,
+ stolen: 0,
failed: 0
},
runTime: {
expect(workerNode.tasksQueue.size).toBe(0)
expect(workerNode.tasksQueue.maxSize).toBe(0)
}
+ await pool.destroy()
})
it('Verify that pool worker info are initialized', async () => {
ready: true
})
}
+ await pool.destroy()
+ })
+
+ it('Verify that pool execute() arguments are checked', async () => {
+ const pool = new FixedClusterPool(
+ numberOfWorkers,
+ './tests/worker-files/cluster/testWorker.js'
+ )
+ await expect(pool.execute(undefined, 0)).rejects.toThrowError(
+ new TypeError('name argument must be a string')
+ )
+ await expect(pool.execute(undefined, '')).rejects.toThrowError(
+ new TypeError('name argument must not be an empty string')
+ )
+ await expect(pool.execute(undefined, undefined, {})).rejects.toThrowError(
+ new TypeError('transferList argument must be an array')
+ )
+ await expect(pool.execute(undefined, 'unknown')).rejects.toBe(
+ "Task function 'unknown' not found"
+ )
+ await pool.destroy()
+ await expect(pool.execute(undefined, undefined, {})).rejects.toThrowError(
+ new Error('Cannot execute a task on destroyed pool')
+ )
})
it('Verify that pool worker tasks usage are computed', async () => {
executing: maxMultiplier,
queued: 0,
maxQueued: 0,
+ stolen: 0,
failed: 0
},
runTime: {
executing: 0,
queued: 0,
maxQueued: 0,
+ stolen: 0,
failed: 0
},
runTime: {
executing: 0,
queued: 0,
maxQueued: 0,
+ stolen: 0,
failed: 0
},
runTime: {
executing: 0,
queued: 0,
maxQueued: 0,
+ stolen: 0,
failed: 0
},
runTime: {
maxQueuedTasks: expect.any(Number),
queuedTasks: expect.any(Number),
backPressure: true,
+ stolenTasks: expect.any(Number),
failedTasks: expect.any(Number)
})
expect(pool.hasBackPressure.called).toBe(true)
)
await waitPoolEvents(dynamicThreadPool, PoolEvents.ready, 1)
expect(dynamicThreadPool.listTaskFunctions()).toStrictEqual([
- 'default',
+ DEFAULT_TASK_NAME,
'jsonIntegerSerialization',
'factorial',
'fibonacci'
)
await waitPoolEvents(fixedClusterPool, PoolEvents.ready, 1)
expect(fixedClusterPool.listTaskFunctions()).toStrictEqual([
- 'default',
+ DEFAULT_TASK_NAME,
'jsonIntegerSerialization',
'factorial',
'fibonacci'
])
+ await dynamicThreadPool.destroy()
+ await fixedClusterPool.destroy()
})
it('Verify that multiple task functions worker is working', async () => {
expect(pool.info.executedTasks).toBe(4)
for (const workerNode of pool.workerNodes) {
expect(workerNode.info.taskFunctions).toStrictEqual([
- 'default',
+ DEFAULT_TASK_NAME,
'jsonIntegerSerialization',
'factorial',
'fibonacci'
executed: expect.any(Number),
executing: expect.any(Number),
failed: 0,
- queued: 0
+ queued: 0,
+ stolen: 0
},
runTime: {
history: expect.any(CircularArray)
).toBeGreaterThanOrEqual(0)
}
}
+ await pool.destroy()
})
})
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