X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpools%2Fcluster%2Ffixed.test.js;h=c879fc689a40cc3edc5e3e360d8cec45b5ba99d8;hb=82f36766232abd4e4ffde72ecd68462adf59cca7;hp=08476e093d4b7051040ab84879152a869b254749;hpb=85a3f8a7b3087e7240c1d307ba6dd78c05883f83;p=poolifier.git diff --git a/tests/pools/cluster/fixed.test.js b/tests/pools/cluster/fixed.test.js index 08476e09..c879fc68 100644 --- a/tests/pools/cluster/fixed.test.js +++ b/tests/pools/cluster/fixed.test.js @@ -1,81 +1,140 @@ -const expect = require('expect') -const { FixedClusterPool } = require('../../../lib/index') +const { expect } = require('expect') +const { FixedClusterPool, PoolEvents } = require('../../../lib') +const { WorkerFunctions } = require('../../test-types') const TestUtils = require('../../test-utils') -const numberOfWorkers = 10 -const maxTasks = 500 -const pool = new FixedClusterPool( - numberOfWorkers, - './tests/worker-files/cluster/testWorker.js', - { - errorHandler: e => console.error(e) - } -) -const emptyPool = new FixedClusterPool( - 1, - './tests/worker-files/cluster/emptyWorker.js' -) -const echoPool = new FixedClusterPool( - 1, - './tests/worker-files/cluster/echoWorker.js' -) -const errorPool = new FixedClusterPool( - 1, - './tests/worker-files/cluster/errorWorker.js', - { - errorHandler: e => console.error(e) - } -) -const asyncErrorPool = new FixedClusterPool( - 1, - './tests/worker-files/cluster/asyncErrorWorker.js', - { - onlineHandler: () => console.log('worker is online') - } -) -const asyncPool = new FixedClusterPool( - 1, - './tests/worker-files/cluster/asyncWorker.js', - { - maxTasks: maxTasks - } -) - -describe('Fixed cluster pool test suite ', () => { - it('Choose worker round robin test', async () => { - const results = new Set() - for (let i = 0; i < numberOfWorkers; i++) { - results.add(pool.chooseWorker().id) +describe('Fixed cluster pool test suite', () => { + const numberOfWorkers = 6 + const pool = new FixedClusterPool( + numberOfWorkers, + './tests/worker-files/cluster/testWorker.js', + { + errorHandler: e => console.error(e) + } + ) + const queuePool = new FixedClusterPool( + numberOfWorkers, + './tests/worker-files/cluster/testWorker.js', + { + enableTasksQueue: true, + tasksQueueOptions: { + concurrency: 2 + }, + errorHandler: e => console.error(e) + } + ) + const emptyPool = new FixedClusterPool( + numberOfWorkers, + './tests/worker-files/cluster/emptyWorker.js', + { exitHandler: () => console.log('empty pool worker exited') } + ) + const echoPool = new FixedClusterPool( + numberOfWorkers, + './tests/worker-files/cluster/echoWorker.js' + ) + const errorPool = new FixedClusterPool( + numberOfWorkers, + './tests/worker-files/cluster/errorWorker.js', + { + errorHandler: e => console.error(e) } - expect(results.size).toBe(numberOfWorkers) + ) + const asyncErrorPool = new FixedClusterPool( + numberOfWorkers, + './tests/worker-files/cluster/asyncErrorWorker.js', + { + errorHandler: e => console.error(e) + } + ) + const asyncPool = new FixedClusterPool( + numberOfWorkers, + './tests/worker-files/cluster/asyncWorker.js' + ) + + after('Destroy all pools', async () => { + // We need to clean up the resources after our test + await echoPool.destroy() + await asyncPool.destroy() + await errorPool.destroy() + await asyncErrorPool.destroy() + await emptyPool.destroy() + await queuePool.destroy() }) it('Verify that the function is executed in a worker cluster', async () => { - const result = await pool.execute({ test: 'test' }) - expect(result).toBeDefined() - expect(result).toBeFalsy() + let result = await pool.execute({ + function: WorkerFunctions.fibonacci + }) + expect(result).toBe(121393) + result = await pool.execute({ + function: WorkerFunctions.factorial + }) + 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).toBeDefined() - expect(result).toBeFalsy() + expect(result).toBe(false) + }) + + it("Verify that 'busy' event is emitted", async () => { + let poolBusy = 0 + pool.emitter.on(PoolEvents.busy, () => ++poolBusy) + for (let i = 0; i < numberOfWorkers * 2; i++) { + 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) + }) + + it('Verify that tasks queuing is working', async () => { + const promises = new Set() + const maxMultiplier = 2 + 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( + queuePool.opts.tasksQueueOptions.concurrency + ) + expect(workerNode.tasksUsage.ran).toBe(0) + expect(workerNode.tasksQueue.size).toBeGreaterThan(0) + } + expect(queuePool.info.runningTasks).toBe(numberOfWorkers) + expect(queuePool.info.queuedTasks).toBe( + numberOfWorkers * maxMultiplier - numberOfWorkers + ) + expect(queuePool.info.maxQueuedTasks).toBe( + numberOfWorkers * maxMultiplier - numberOfWorkers + ) + await Promise.all(promises) + for (const workerNode of queuePool.workerNodes) { + expect(workerNode.tasksUsage.running).toBe(0) + expect(workerNode.tasksUsage.ran).toBeGreaterThan(0) + expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(maxMultiplier) + expect(workerNode.tasksQueue.size).toBe(0) + } }) it('Verify that is possible to have a worker that return undefined', async () => { const result = await emptyPool.execute() - expect(result).toBeFalsy() + expect(result).toBeUndefined() }) it('Verify that data are sent to the worker correctly', async () => { const data = { f: 10 } const result = await echoPool.execute(data) - expect(result).toBeTruthy() - expect(result.f).toBe(data.f) + expect(result).toStrictEqual(data) }) 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) @@ -83,12 +142,25 @@ describe('Fixed cluster pool test suite ', () => { inError = e } expect(inError).toBeDefined() - expect(typeof inError === 'string').toBeTruthy() + expect(typeof inError === 'string').toBe(true) expect(inError).toBe('Error Message from ClusterWorker') + expect(taskError).toStrictEqual({ + message: 'Error Message from ClusterWorker', + data + }) + expect( + errorPool.workerNodes.some( + workerNode => workerNode.tasksUsage.error === 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) @@ -96,38 +168,73 @@ describe('Fixed cluster pool test suite ', () => { inError = e } expect(inError).toBeDefined() - expect(typeof inError === 'string').toBeTruthy() + expect(typeof inError === 'string').toBe(true) expect(inError).toBe('Error Message from ClusterWorker:async') + expect(taskError).toStrictEqual({ + message: 'Error Message from ClusterWorker:async', + data + }) + expect( + asyncErrorPool.workerNodes.some( + workerNode => workerNode.tasksUsage.error === 1 + ) + ).toBe(true) }) it('Verify that async function is working properly', async () => { const data = { f: 10 } - const startTime = new Date().getTime() + const startTime = performance.now() const result = await asyncPool.execute(data) - const usedTime = new Date().getTime() - startTime - expect(result).toBeTruthy() - expect(result.f).toBe(data.f) + const usedTime = performance.now() - startTime + expect(result).toStrictEqual(data) expect(usedTime).toBeGreaterThanOrEqual(2000) }) - it('Verify that maxTasks is set properly', async () => { - const worker = asyncPool.chooseWorker() - expect(worker.getMaxListeners()).toBe(maxTasks) - }) - it('Shutdown test', async () => { - const exitPromise = TestUtils.waitExits(pool, numberOfWorkers) + const exitPromise = TestUtils.waitWorkerExits(pool, numberOfWorkers) await pool.destroy() - const res = await exitPromise - expect(res).toBe(numberOfWorkers) + const numberOfExitEvents = await exitPromise + expect(numberOfExitEvents).toBe(numberOfWorkers) + }) + + it('Verify that cluster pool options are checked', async () => { + const workerFilePath = './tests/worker-files/cluster/testWorker.js' + let pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath) + expect(pool1.opts.env).toBeUndefined() + expect(pool1.opts.settings).toBeUndefined() + await pool1.destroy() + pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath, { + env: { TEST: 'test' }, + settings: { args: ['--use', 'http'], silent: true } + }) + expect(pool1.opts.env).toStrictEqual({ TEST: 'test' }) + expect(pool1.opts.settings).toStrictEqual({ + args: ['--use', 'http'], + silent: true + }) + expect({ ...pool1.opts.settings, exec: workerFilePath }).toStrictEqual({ + args: ['--use', 'http'], + silent: true, + exec: workerFilePath + }) + await pool1.destroy() }) it('Should work even without opts in input', async () => { const pool1 = new FixedClusterPool( - 1, + numberOfWorkers, './tests/worker-files/cluster/testWorker.js' ) - const res = await pool1.execute({ test: 'test' }) - expect(res).toBeFalsy() + const res = await pool1.execute() + expect(res).toBe(false) + // We need to clean up the resources after our test + await pool1.destroy() + }) + + it('Verify that a pool with zero worker fails', async () => { + expect( + () => + new FixedClusterPool(0, './tests/worker-files/cluster/testWorker.js') + ).toThrowError('Cannot instantiate a fixed pool with no worker') }) })