const { expect } = require('expect')
-const { FixedClusterPool, PoolEvents } = require('../../../lib/index')
+const { FixedClusterPool, PoolEvents } = require('../../../lib')
const { WorkerFunctions } = require('../../test-types')
-const TestUtils = require('../../test-utils')
+const { waitPoolEvents, waitWorkerEvents } = require('../../test-utils')
describe('Fixed cluster pool test suite', () => {
const numberOfWorkers = 6
+ const tasksConcurrency = 2
const pool = new FixedClusterPool(
numberOfWorkers,
'./tests/worker-files/cluster/testWorker.js',
{
enableTasksQueue: true,
tasksQueueOptions: {
- concurrency: 2
+ concurrency: tasksConcurrency
},
errorHandler: e => console.error(e)
}
let result = await pool.execute({
function: WorkerFunctions.fibonacci
})
- expect(result).toBe(false)
+ expect(result).toBe(75025)
result = await pool.execute({
function: WorkerFunctions.factorial
})
- expect(result).toBe(false)
+ expect(result).toBe(9.33262154439441e157)
})
- it('Verify that is possible to invoke the execute method without input', async () => {
+ it('Verify that is possible to invoke the execute() method without input', async () => {
const result = await pool.execute()
- expect(result).toBe(false)
+ expect(result).toStrictEqual({ ok: 1 })
})
- it("Verify that 'busy' event is emitted", async () => {
+ it("Verify that 'ready' event is emitted", async () => {
+ const pool1 = new FixedClusterPool(
+ numberOfWorkers,
+ './tests/worker-files/cluster/testWorker.js',
+ {
+ errorHandler: e => console.error(e)
+ }
+ )
+ let poolReady = 0
+ pool1.emitter.on(PoolEvents.ready, () => ++poolReady)
+ await waitPoolEvents(pool1, PoolEvents.ready, 1)
+ expect(poolReady).toBe(1)
+ })
+
+ it("Verify that 'busy' event is emitted", () => {
let poolBusy = 0
pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
for (let i = 0; i < numberOfWorkers * 2; i++) {
})
it('Verify that tasks queuing is working', async () => {
- const maxMultiplier = 10
const promises = new Set()
+ const maxMultiplier = 3 // Must be greater than tasksConcurrency
for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) {
promises.add(queuePool.execute())
}
expect(promises.size).toBe(numberOfWorkers * maxMultiplier)
for (const workerNode of queuePool.workerNodes) {
- expect(workerNode.tasksUsage.running).toBeLessThanOrEqual(
+ expect(workerNode.usage.tasks.executing).toBeLessThanOrEqual(
queuePool.opts.tasksQueueOptions.concurrency
)
- expect(workerNode.tasksUsage.run).toBe(0)
- expect(workerNode.tasksQueue.length).toBeGreaterThan(0)
+ expect(workerNode.usage.tasks.executed).toBe(0)
+ expect(workerNode.usage.tasks.queued).toBe(
+ maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
+ )
+ expect(workerNode.usage.tasks.maxQueued).toBe(
+ maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
+ )
}
- expect(queuePool.numberOfRunningTasks).toBe(numberOfWorkers)
- expect(queuePool.numberOfQueuedTasks).toBe(
- numberOfWorkers * maxMultiplier - numberOfWorkers
+ expect(queuePool.info.executingTasks).toBe(
+ numberOfWorkers * queuePool.opts.tasksQueueOptions.concurrency
+ )
+ expect(queuePool.info.queuedTasks).toBe(
+ numberOfWorkers *
+ (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
+ )
+ expect(queuePool.info.maxQueuedTasks).toBe(
+ numberOfWorkers *
+ (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
)
await Promise.all(promises)
for (const workerNode of queuePool.workerNodes) {
- expect(workerNode.tasksUsage.running).toBe(0)
- expect(workerNode.tasksUsage.run).toBeGreaterThan(0)
- expect(workerNode.tasksQueue.length).toBe(0)
+ expect(workerNode.usage.tasks.executing).toBe(0)
+ expect(workerNode.usage.tasks.executed).toBe(maxMultiplier)
+ expect(workerNode.usage.tasks.queued).toBe(0)
+ expect(workerNode.usage.tasks.maxQueued).toBe(
+ maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
+ )
}
- promises.clear()
})
it('Verify that is possible to have a worker that return undefined', async () => {
it('Verify that error handling is working properly:sync', async () => {
const data = { f: 10 }
+ let taskError
+ errorPool.emitter.on(PoolEvents.taskError, e => {
+ taskError = e
+ })
let inError
try {
await errorPool.execute(data)
expect(inError).toBeDefined()
expect(typeof inError === 'string').toBe(true)
expect(inError).toBe('Error Message from ClusterWorker')
+ expect(taskError).toStrictEqual({
+ name: 'default',
+ message: 'Error Message from ClusterWorker',
+ data
+ })
+ expect(
+ errorPool.workerNodes.some(
+ workerNode => workerNode.usage.tasks.failed === 1
+ )
+ ).toBe(true)
})
it('Verify that error handling is working properly:async', async () => {
const data = { f: 10 }
+ let taskError
+ asyncErrorPool.emitter.on(PoolEvents.taskError, e => {
+ taskError = e
+ })
let inError
try {
await asyncErrorPool.execute(data)
expect(inError).toBeDefined()
expect(typeof inError === 'string').toBe(true)
expect(inError).toBe('Error Message from ClusterWorker:async')
+ expect(taskError).toStrictEqual({
+ name: 'default',
+ message: 'Error Message from ClusterWorker:async',
+ data
+ })
+ expect(
+ asyncErrorPool.workerNodes.some(
+ workerNode => workerNode.usage.tasks.failed === 1
+ )
+ ).toBe(true)
})
it('Verify that async function is working properly', async () => {
})
it('Shutdown test', async () => {
- const exitPromise = TestUtils.waitExits(pool, numberOfWorkers)
+ const exitPromise = waitWorkerEvents(pool, 'exit', numberOfWorkers)
await pool.destroy()
const numberOfExitEvents = await exitPromise
expect(numberOfExitEvents).toBe(numberOfWorkers)
'./tests/worker-files/cluster/testWorker.js'
)
const res = await pool1.execute()
- expect(res).toBe(false)
+ expect(res).toStrictEqual({ ok: 1 })
// We need to clean up the resources after our test
await pool1.destroy()
})
expect(
() =>
new FixedClusterPool(0, './tests/worker-files/cluster/testWorker.js')
- ).toThrowError(new Error('Cannot instantiate a fixed pool with no worker'))
+ ).toThrowError('Cannot instantiate a fixed pool with zero worker')
})
})
repositories / poolifier.git / blobdiff