X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpools%2Fcluster%2Ffixed.test.js;h=af3bc452ed64b5303f36cf9eb0d93e2d01f160f4;hb=52a23942f7afed4403dd6b8088b646abca37b4b0;hp=1a0e1e3d6812a12c32b20dfd2022a671e0c84b64;hpb=1dcbfefc265e129097c37984b5a1118e42061dcb;p=poolifier.git diff --git a/tests/pools/cluster/fixed.test.js b/tests/pools/cluster/fixed.test.js index 1a0e1e3d..af3bc452 100644 --- a/tests/pools/cluster/fixed.test.js +++ b/tests/pools/cluster/fixed.test.js @@ -1,15 +1,17 @@ const { expect } = require('expect') const { FixedClusterPool, PoolEvents } = require('../../../lib') -const { WorkerFunctions } = require('../../test-types') +const { TaskFunctions } = require('../../test-types') const { waitPoolEvents, waitWorkerEvents } = require('../../test-utils') +const { DEFAULT_TASK_NAME } = require('../../../lib/utils') describe('Fixed cluster pool test suite', () => { - const numberOfWorkers = 6 + const numberOfWorkers = 8 + const tasksConcurrency = 2 const pool = new FixedClusterPool( numberOfWorkers, './tests/worker-files/cluster/testWorker.js', { - errorHandler: e => console.error(e) + errorHandler: (e) => console.error(e) } ) const queuePool = new FixedClusterPool( @@ -18,15 +20,15 @@ describe('Fixed cluster pool test suite', () => { { enableTasksQueue: true, tasksQueueOptions: { - concurrency: 2 + concurrency: tasksConcurrency }, - errorHandler: e => console.error(e) + errorHandler: (e) => console.error(e) } ) const emptyPool = new FixedClusterPool( numberOfWorkers, './tests/worker-files/cluster/emptyWorker.js', - { exitHandler: () => console.log('empty pool worker exited') } + { exitHandler: () => console.info('empty pool worker exited') } ) const echoPool = new FixedClusterPool( numberOfWorkers, @@ -36,14 +38,14 @@ describe('Fixed cluster pool test suite', () => { numberOfWorkers, './tests/worker-files/cluster/errorWorker.js', { - errorHandler: e => console.error(e) + errorHandler: (e) => console.error(e) } ) const asyncErrorPool = new FixedClusterPool( numberOfWorkers, './tests/worker-files/cluster/asyncErrorWorker.js', { - errorHandler: e => console.error(e) + errorHandler: (e) => console.error(e) } ) const asyncPool = new FixedClusterPool( @@ -63,11 +65,11 @@ describe('Fixed cluster pool test suite', () => { it('Verify that the function is executed in a worker cluster', async () => { let result = await pool.execute({ - function: WorkerFunctions.fibonacci + function: TaskFunctions.fibonacci }) expect(result).toBe(75025) result = await pool.execute({ - function: WorkerFunctions.factorial + function: TaskFunctions.factorial }) expect(result).toBe(9.33262154439441e157) }) @@ -78,27 +80,28 @@ describe('Fixed cluster pool test suite', () => { }) it("Verify that 'ready' event is emitted", async () => { - const pool1 = new FixedClusterPool( + const pool = new FixedClusterPool( numberOfWorkers, './tests/worker-files/cluster/testWorker.js', { - errorHandler: e => console.error(e) + errorHandler: (e) => console.error(e) } ) let poolReady = 0 - pool1.emitter.on(PoolEvents.ready, () => { - ++poolReady - }) - await waitPoolEvents(pool1, PoolEvents.ready, 1) + pool.emitter.on(PoolEvents.ready, () => ++poolReady) + await waitPoolEvents(pool, PoolEvents.ready, 1) expect(poolReady).toBe(1) + await pool.destroy() }) - it("Verify that 'busy' event is emitted", () => { + it("Verify that 'busy' event is emitted", async () => { + const promises = new Set() let poolBusy = 0 pool.emitter.on(PoolEvents.busy, () => ++poolBusy) for (let i = 0; i < numberOfWorkers * 2; i++) { - pool.execute() + promises.add(pool.execute()) } + await Promise.all(promises) // 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) @@ -106,34 +109,61 @@ describe('Fixed cluster pool test suite', () => { it('Verify that tasks queuing is working', async () => { const promises = new Set() - const maxMultiplier = 2 + 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.usage.tasks.executing).toBeGreaterThanOrEqual(0) expect(workerNode.usage.tasks.executing).toBeLessThanOrEqual( queuePool.opts.tasksQueueOptions.concurrency ) expect(workerNode.usage.tasks.executed).toBe(0) - expect(workerNode.usage.tasks.queued).toBeGreaterThan(0) - expect(workerNode.usage.tasks.maxQueued).toBeGreaterThan(0) + expect(workerNode.usage.tasks.queued).toBe( + maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency + ) + expect(workerNode.usage.tasks.maxQueued).toBe( + maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency + ) + expect(workerNode.usage.tasks.stolen).toBe(0) } - expect(queuePool.info.executingTasks).toBe(numberOfWorkers) + expect(queuePool.info.executedTasks).toBe(0) + expect(queuePool.info.executingTasks).toBe( + numberOfWorkers * queuePool.opts.tasksQueueOptions.concurrency + ) expect(queuePool.info.queuedTasks).toBe( - numberOfWorkers * maxMultiplier - numberOfWorkers + numberOfWorkers * + (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency) ) expect(queuePool.info.maxQueuedTasks).toBe( - numberOfWorkers * maxMultiplier - numberOfWorkers + numberOfWorkers * + (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency) ) + expect(queuePool.info.backPressure).toBe(false) + expect(queuePool.info.stolenTasks).toBe(0) await Promise.all(promises) for (const workerNode of queuePool.workerNodes) { - expect(workerNode.usage.tasks.executing).toBe(0) - expect(workerNode.usage.tasks.executed).toBeGreaterThan(0) - expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual(maxMultiplier) + expect(workerNode.usage.tasks.executing).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executing).toBeLessThanOrEqual( + numberOfWorkers * maxMultiplier + ) + expect(workerNode.usage.tasks.executed).toBe(maxMultiplier) expect(workerNode.usage.tasks.queued).toBe(0) - expect(workerNode.usage.tasks.maxQueued).toBe(1) + expect(workerNode.usage.tasks.maxQueued).toBe( + maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency + ) + expect(workerNode.usage.tasks.stolen).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.stolen).toBeLessThanOrEqual( + numberOfWorkers * maxMultiplier + ) } + expect(queuePool.info.executedTasks).toBe(numberOfWorkers * maxMultiplier) + expect(queuePool.info.backPressure).toBe(false) + expect(queuePool.info.stolenTasks).toBeGreaterThanOrEqual(0) + expect(queuePool.info.stolenTasks).toBeLessThanOrEqual( + numberOfWorkers * maxMultiplier + ) }) it('Verify that is possible to have a worker that return undefined', async () => { @@ -150,7 +180,7 @@ describe('Fixed cluster pool test suite', () => { it('Verify that error handling is working properly:sync', async () => { const data = { f: 10 } let taskError - errorPool.emitter.on(PoolEvents.taskError, e => { + errorPool.emitter.on(PoolEvents.taskError, (e) => { taskError = e }) let inError @@ -163,13 +193,13 @@ describe('Fixed cluster pool test suite', () => { expect(typeof inError === 'string').toBe(true) expect(inError).toBe('Error Message from ClusterWorker') expect(taskError).toStrictEqual({ - name: 'default', + name: DEFAULT_TASK_NAME, message: 'Error Message from ClusterWorker', data }) expect( errorPool.workerNodes.some( - workerNode => workerNode.usage.tasks.failed === 1 + (workerNode) => workerNode.usage.tasks.failed === 1 ) ).toBe(true) }) @@ -177,7 +207,7 @@ describe('Fixed cluster pool test suite', () => { it('Verify that error handling is working properly:async', async () => { const data = { f: 10 } let taskError - asyncErrorPool.emitter.on(PoolEvents.taskError, e => { + asyncErrorPool.emitter.on(PoolEvents.taskError, (e) => { taskError = e }) let inError @@ -190,13 +220,13 @@ describe('Fixed cluster pool test suite', () => { expect(typeof inError === 'string').toBe(true) expect(inError).toBe('Error Message from ClusterWorker:async') expect(taskError).toStrictEqual({ - name: 'default', + name: DEFAULT_TASK_NAME, message: 'Error Message from ClusterWorker:async', data }) expect( asyncErrorPool.workerNodes.some( - workerNode => workerNode.usage.tasks.failed === 1 + (workerNode) => workerNode.usage.tasks.failed === 1 ) ).toBe(true) }) @@ -212,43 +242,65 @@ describe('Fixed cluster pool test suite', () => { it('Shutdown test', async () => { const exitPromise = waitWorkerEvents(pool, 'exit', numberOfWorkers) + let poolDestroy = 0 + pool.emitter.on(PoolEvents.destroy, () => ++poolDestroy) await pool.destroy() const numberOfExitEvents = await exitPromise + expect(pool.started).toBe(false) + expect(pool.workerNodes.length).toBe(0) expect(numberOfExitEvents).toBe(numberOfWorkers) + expect(poolDestroy).toBe(1) }) 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, { + let pool = new FixedClusterPool(numberOfWorkers, workerFilePath) + expect(pool.opts.env).toBeUndefined() + expect(pool.opts.settings).toBeUndefined() + await pool.destroy() + pool = 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({ + expect(pool.opts.env).toStrictEqual({ TEST: 'test' }) + expect(pool.opts.settings).toStrictEqual({ args: ['--use', 'http'], silent: true }) - expect({ ...pool1.opts.settings, exec: workerFilePath }).toStrictEqual({ + expect({ ...pool.opts.settings, exec: workerFilePath }).toStrictEqual({ args: ['--use', 'http'], silent: true, exec: workerFilePath }) - await pool1.destroy() + await pool.destroy() }) it('Should work even without opts in input', async () => { - const pool1 = new FixedClusterPool( - numberOfWorkers, - './tests/worker-files/cluster/testWorker.js' - ) - const res = await pool1.execute() + const workerFilePath = './tests/worker-files/cluster/testWorker.js' + const pool = new FixedClusterPool(numberOfWorkers, workerFilePath) + const res = await pool.execute() expect(res).toStrictEqual({ ok: 1 }) // We need to clean up the resources after our test - await pool1.destroy() + await pool.destroy() + }) + + it('Verify destroyWorkerNode()', async () => { + const workerFilePath = './tests/worker-files/cluster/testWorker.js' + const pool = new FixedClusterPool(numberOfWorkers, workerFilePath) + const workerNodeKey = 0 + let disconnectEvent = 0 + pool.workerNodes[workerNodeKey].worker.on('disconnect', () => { + ++disconnectEvent + }) + let exitEvent = 0 + pool.workerNodes[workerNodeKey].worker.on('exit', () => { + ++exitEvent + }) + await expect(pool.destroyWorkerNode(workerNodeKey)).resolves.toBeUndefined() + expect(disconnectEvent).toBe(1) + expect(exitEvent).toBe(1) + expect(pool.workerNodes.length).toBe(numberOfWorkers - 1) + await pool.destroy() }) it('Verify that a pool with zero worker fails', async () => {