X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpools%2Fabstract%2Fabstract-pool.test.js;h=adf2765f7e67bcb68ffb11a534574fa3e18c3907;hb=c05f0d5094264db0ff50636e794201e60ba7f448;hp=273de9a038f0a02eb0e4d554bd717107e06394f3;hpb=a8884ffdad6658f854f4048d768f7e56cf8d5032;p=poolifier.git diff --git a/tests/pools/abstract/abstract-pool.test.js b/tests/pools/abstract/abstract-pool.test.js index 273de9a0..adf2765f 100644 --- a/tests/pools/abstract/abstract-pool.test.js +++ b/tests/pools/abstract/abstract-pool.test.js @@ -1,21 +1,23 @@ const { expect } = require('expect') const { - FixedClusterPool, + DynamicClusterPool, DynamicThreadPool, + FixedClusterPool, FixedThreadPool, - WorkerChoiceStrategies -} = require('../../../lib/index') + PoolEvents, + WorkerChoiceStrategies, + PoolTypes, + WorkerTypes +} = require('../../../lib') +const { CircularArray } = require('../../../lib/circular-array') +const { Queue } = require('../../../lib/queue') describe('Abstract pool test suite', () => { - const numberOfWorkers = 1 - const workerNotFoundInTasksUsageMapError = new Error( - 'Worker could not be found in workers tasks usage map' - ) + const numberOfWorkers = 2 class StubPoolWithRemoveAllWorker extends FixedThreadPool { removeAllWorker () { - this.workers = [] - this.workersTasksUsage.clear() - this.promiseMap.clear() + this.workerNodes = [] + this.promiseResponseMap.clear() } } class StubPoolWithIsMain extends FixedThreadPool { @@ -34,7 +36,7 @@ describe('Abstract pool test suite', () => { errorHandler: e => console.error(e) } ) - ).toThrowError(new Error('Cannot start a pool from a worker!')) + ).toThrowError('Cannot start a pool from a worker!') }) it('Verify that filePath is checked', () => { @@ -51,9 +53,7 @@ describe('Abstract pool test suite', () => { it('Verify that numberOfWorkers is checked', () => { expect(() => new FixedThreadPool()).toThrowError( - new Error( - 'Cannot instantiate a pool without specifying the number of workers' - ) + 'Cannot instantiate a pool without specifying the number of workers' ) }) @@ -62,7 +62,9 @@ describe('Abstract pool test suite', () => { () => new FixedClusterPool(-1, './tests/worker-files/cluster/testWorker.js') ).toThrowError( - new Error('Cannot instantiate a pool with a negative number of workers') + new RangeError( + 'Cannot instantiate a pool with a negative number of workers' + ) ) }) @@ -71,8 +73,8 @@ describe('Abstract pool test suite', () => { () => new FixedThreadPool(0.25, './tests/worker-files/thread/testWorker.js') ).toThrowError( - new Error( - 'Cannot instantiate a pool with a non integer number of workers' + new TypeError( + 'Cannot instantiate a pool with a non safe integer number of workers' ) ) }) @@ -82,11 +84,19 @@ describe('Abstract pool test suite', () => { numberOfWorkers, './tests/worker-files/thread/testWorker.js' ) - expect(pool.opts.enableEvents).toBe(true) expect(pool.emitter).toBeDefined() + expect(pool.opts.enableEvents).toBe(true) + expect(pool.opts.restartWorkerOnError).toBe(true) + expect(pool.opts.enableTasksQueue).toBe(false) + expect(pool.opts.tasksQueueOptions).toBeUndefined() expect(pool.opts.workerChoiceStrategy).toBe( WorkerChoiceStrategies.ROUND_ROBIN ) + expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ + runTime: { median: false }, + waitTime: { median: false }, + elu: { median: false } + }) expect(pool.opts.messageHandler).toBeUndefined() expect(pool.opts.errorHandler).toBeUndefined() expect(pool.opts.onlineHandler).toBeUndefined() @@ -97,19 +107,33 @@ describe('Abstract pool test suite', () => { numberOfWorkers, './tests/worker-files/thread/testWorker.js', { - workerChoiceStrategy: WorkerChoiceStrategies.LESS_RECENTLY_USED, + workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED, + workerChoiceStrategyOptions: { + runTime: { median: true }, + weights: { 0: 300, 1: 200 } + }, enableEvents: false, + restartWorkerOnError: false, + enableTasksQueue: true, + tasksQueueOptions: { concurrency: 2 }, messageHandler: testHandler, errorHandler: testHandler, onlineHandler: testHandler, exitHandler: testHandler } ) - expect(pool.opts.enableEvents).toBe(false) expect(pool.emitter).toBeUndefined() + expect(pool.opts.enableEvents).toBe(false) + expect(pool.opts.restartWorkerOnError).toBe(false) + expect(pool.opts.enableTasksQueue).toBe(true) + expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 2 }) expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.LESS_RECENTLY_USED + WorkerChoiceStrategies.LEAST_USED ) + expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ + runTime: { median: true }, + weights: { 0: 300, 1: 200 } + }) expect(pool.opts.messageHandler).toStrictEqual(testHandler) expect(pool.opts.errorHandler).toStrictEqual(testHandler) expect(pool.opts.onlineHandler).toStrictEqual(testHandler) @@ -117,79 +141,306 @@ describe('Abstract pool test suite', () => { await pool.destroy() }) - it('Simulate worker not found during increaseWorkerRunningTasks', async () => { - const pool = new StubPoolWithRemoveAllWorker( - numberOfWorkers, - './tests/worker-files/cluster/testWorker.js' + it('Verify that pool options are validated', async () => { + expect( + () => + new FixedThreadPool( + numberOfWorkers, + './tests/worker-files/thread/testWorker.js', + { + workerChoiceStrategy: 'invalidStrategy' + } + ) + ).toThrowError("Invalid worker choice strategy 'invalidStrategy'") + expect( + () => + new FixedThreadPool( + numberOfWorkers, + './tests/worker-files/thread/testWorker.js', + { + workerChoiceStrategyOptions: 'invalidOptions' + } + ) + ).toThrowError( + 'Invalid worker choice strategy options: must be a plain object' ) - // Simulate worker not found. - pool.removeAllWorker() - expect(() => pool.increaseWorkerRunningTasks()).toThrowError( - workerNotFoundInTasksUsageMapError + expect( + () => + new FixedThreadPool( + numberOfWorkers, + './tests/worker-files/thread/testWorker.js', + { + workerChoiceStrategyOptions: { weights: {} } + } + ) + ).toThrowError( + 'Invalid worker choice strategy options: must have a weight for each worker node' ) - await pool.destroy() + 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('Simulate worker not found during decreaseWorkerRunningTasks', async () => { - const pool = new StubPoolWithRemoveAllWorker( + it('Verify that worker choice strategy options can be set', async () => { + const pool = new FixedThreadPool( numberOfWorkers, - './tests/worker-files/cluster/testWorker.js', - { - errorHandler: e => console.error(e) + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } + ) + expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ + runTime: { median: false }, + waitTime: { median: false }, + elu: { median: false } + }) + for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext + .workerChoiceStrategies) { + expect(workerChoiceStrategy.opts).toStrictEqual({ + runTime: { median: false }, + waitTime: { median: false }, + elu: { median: 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 } + }) + expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ + runTime: { median: true }, + elu: { median: true } + }) + for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext + .workerChoiceStrategies) { + expect(workerChoiceStrategy.opts).toStrictEqual({ + runTime: { median: true }, + elu: { median: true } + }) + } + 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 } + }) + expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ + runTime: { median: false }, + elu: { median: false } + }) + for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext + .workerChoiceStrategies) { + expect(workerChoiceStrategy.opts).toStrictEqual({ + runTime: { median: false }, + elu: { median: 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' ) - // Simulate worker not found. - pool.removeAllWorker() - expect(() => pool.decreaseWorkerRunningTasks()).toThrowError( - workerNotFoundInTasksUsageMapError + 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('Simulate worker not found during stepWorkerRunTasks', async () => { - const pool = new StubPoolWithRemoveAllWorker( + it('Verify that tasks queue can be enabled/disabled', async () => { + const pool = new FixedThreadPool( numberOfWorkers, - './tests/worker-files/cluster/testWorker.js', - { - errorHandler: e => console.error(e) - } + './tests/worker-files/thread/testWorker.js' ) - // Simulate worker not found. - pool.removeAllWorker() - expect(() => pool.stepWorkerRunTasks()).toThrowError( - workerNotFoundInTasksUsageMapError + expect(pool.opts.enableTasksQueue).toBe(false) + expect(pool.opts.tasksQueueOptions).toBeUndefined() + pool.enableTasksQueue(true) + expect(pool.opts.enableTasksQueue).toBe(true) + expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 1 }) + pool.enableTasksQueue(true, { concurrency: 2 }) + expect(pool.opts.enableTasksQueue).toBe(true) + expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 2 }) + pool.enableTasksQueue(false) + expect(pool.opts.enableTasksQueue).toBe(false) + expect(pool.opts.tasksQueueOptions).toBeUndefined() + await pool.destroy() + }) + + it('Verify that tasks queue options can be set', async () => { + const pool = new FixedThreadPool( + numberOfWorkers, + './tests/worker-files/thread/testWorker.js', + { enableTasksQueue: true } + ) + 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() }) - it('Simulate worker not found during updateWorkerTasksRunTime with strategy not requiring it', async () => { - const pool = new StubPoolWithRemoveAllWorker( + it('Verify that pool info is set', async () => { + let pool = new FixedThreadPool( numberOfWorkers, - './tests/worker-files/cluster/testWorker.js', - { - errorHandler: e => console.error(e) - } + './tests/worker-files/thread/testWorker.js' ) - // Simulate worker not found. - pool.removeAllWorker() - expect(() => pool.updateWorkerTasksRunTime()).not.toThrowError() + expect(pool.info).toStrictEqual({ + type: PoolTypes.fixed, + worker: WorkerTypes.thread, + minSize: numberOfWorkers, + maxSize: numberOfWorkers, + workerNodes: numberOfWorkers, + idleWorkerNodes: numberOfWorkers, + busyWorkerNodes: 0, + executedTasks: 0, + executingTasks: 0, + queuedTasks: 0, + maxQueuedTasks: 0, + failedTasks: 0 + }) + await pool.destroy() + pool = new DynamicClusterPool( + numberOfWorkers, + numberOfWorkers * 2, + './tests/worker-files/cluster/testWorker.js' + ) + expect(pool.info).toStrictEqual({ + type: PoolTypes.dynamic, + worker: WorkerTypes.cluster, + minSize: numberOfWorkers, + maxSize: numberOfWorkers * 2, + workerNodes: numberOfWorkers, + idleWorkerNodes: numberOfWorkers, + busyWorkerNodes: 0, + executedTasks: 0, + executingTasks: 0, + queuedTasks: 0, + maxQueuedTasks: 0, + failedTasks: 0 + }) await pool.destroy() }) - it('Simulate worker not found during updateWorkerTasksRunTime with strategy requiring it', async () => { + it('Simulate worker not found', async () => { const pool = new StubPoolWithRemoveAllWorker( numberOfWorkers, - './tests/worker-files/cluster/testWorker.js', + './tests/worker-files/thread/testWorker.js', { - workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE, errorHandler: e => console.error(e) } ) + expect(pool.workerNodes.length).toBe(numberOfWorkers) // Simulate worker not found. pool.removeAllWorker() - expect(() => pool.updateWorkerTasksRunTime()).toThrowError( - workerNotFoundInTasksUsageMapError - ) + expect(pool.workerNodes.length).toBe(0) await pool.destroy() }) @@ -198,12 +449,57 @@ describe('Abstract pool test suite', () => { numberOfWorkers, './tests/worker-files/cluster/testWorker.js' ) - for (const tasksUsage of pool.workersTasksUsage.values()) { - expect(tasksUsage).toBeDefined() - expect(tasksUsage.run).toBe(0) - expect(tasksUsage.running).toBe(0) - expect(tasksUsage.runTime).toBe(0) - expect(tasksUsage.avgRunTime).toBe(0) + for (const workerNode of pool.workerNodes) { + expect(workerNode.usage).toStrictEqual({ + tasks: { + executed: 0, + executing: 0, + queued: 0, + maxQueued: 0, + failed: 0 + }, + runTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + waitTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + elu: { + idle: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + active: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + utilization: 0 + } + }) + } + await pool.destroy() + }) + + it('Verify that worker pool tasks queue are initialized', async () => { + const pool = new FixedClusterPool( + numberOfWorkers, + './tests/worker-files/cluster/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) } await pool.destroy() }) @@ -213,24 +509,87 @@ describe('Abstract pool test suite', () => { numberOfWorkers, './tests/worker-files/cluster/testWorker.js' ) - const promises = [] - for (let i = 0; i < numberOfWorkers * 2; i++) { - promises.push(pool.execute()) + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) { + promises.add(pool.execute()) } - for (const tasksUsage of pool.workersTasksUsage.values()) { - expect(tasksUsage).toBeDefined() - expect(tasksUsage.run).toBe(0) - expect(tasksUsage.running).toBe(numberOfWorkers * 2) - expect(tasksUsage.runTime).toBe(0) - expect(tasksUsage.avgRunTime).toBe(0) + for (const workerNode of pool.workerNodes) { + expect(workerNode.usage).toStrictEqual({ + tasks: { + executed: 0, + executing: maxMultiplier, + queued: 0, + maxQueued: 0, + failed: 0 + }, + runTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + waitTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + elu: { + idle: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + active: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + utilization: 0 + } + }) } await Promise.all(promises) - for (const tasksUsage of pool.workersTasksUsage.values()) { - expect(tasksUsage).toBeDefined() - expect(tasksUsage.run).toBe(numberOfWorkers * 2) - expect(tasksUsage.running).toBe(0) - expect(tasksUsage.runTime).toBeGreaterThanOrEqual(0) - expect(tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0) + for (const workerNode of pool.workerNodes) { + expect(workerNode.usage).toStrictEqual({ + tasks: { + executed: maxMultiplier, + executing: 0, + queued: 0, + maxQueued: 0, + failed: 0 + }, + runTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + waitTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + elu: { + idle: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + active: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + utilization: 0 + } + }) } await pool.destroy() }) @@ -241,44 +600,183 @@ describe('Abstract pool test suite', () => { numberOfWorkers, './tests/worker-files/thread/testWorker.js' ) - const promises = [] - for (let i = 0; i < numberOfWorkers * 2; i++) { - promises.push(pool.execute()) + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) { + promises.add(pool.execute()) } await Promise.all(promises) - for (const tasksUsage of pool.workersTasksUsage.values()) { - expect(tasksUsage).toBeDefined() - expect(tasksUsage.run).toBe(numberOfWorkers * 2) - expect(tasksUsage.running).toBe(0) - expect(tasksUsage.runTime).toBeGreaterThanOrEqual(0) - expect(tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0) + for (const workerNode of pool.workerNodes) { + expect(workerNode.usage).toStrictEqual({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + failed: 0 + }, + runTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + waitTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + elu: { + idle: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + active: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + utilization: 0 + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThan(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual(maxMultiplier) } pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) - for (const tasksUsage of pool.workersTasksUsage.values()) { - expect(tasksUsage).toBeDefined() - expect(tasksUsage.run).toBe(0) - expect(tasksUsage.running).toBe(0) - expect(tasksUsage.runTime).toBe(0) - expect(tasksUsage.avgRunTime).toBe(0) + for (const workerNode of pool.workerNodes) { + expect(workerNode.usage).toStrictEqual({ + tasks: { + executed: 0, + executing: 0, + queued: 0, + maxQueued: 0, + failed: 0 + }, + runTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + waitTime: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + elu: { + idle: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + active: { + aggregate: 0, + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + utilization: 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, + numberOfWorkers, + './tests/worker-files/thread/testWorker.js' + ) + const promises = new Set() + let poolFull = 0 + 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) + expect(poolInfo).toStrictEqual({ + type: PoolTypes.dynamic, + worker: WorkerTypes.thread, + 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 'busy' event can register a callback", async () => { const pool = new FixedThreadPool( numberOfWorkers, './tests/worker-files/thread/testWorker.js' ) - const promises = [] + const promises = new Set() let poolBusy = 0 - pool.emitter.on('busy', () => poolBusy++) + let poolInfo + pool.emitter.on(PoolEvents.busy, info => { + ++poolBusy + poolInfo = info + }) for (let i = 0; i < numberOfWorkers * 2; i++) { - promises.push(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) + expect(poolInfo).toStrictEqual({ + type: PoolTypes.fixed, + worker: WorkerTypes.thread, + 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( + numberOfWorkers, + numberOfWorkers * 2, + './tests/worker-files/cluster/testMultiTasksWorker.js' + ) + const data = { n: 10 } + const result0 = await pool.execute(data) + expect(result0).toBe(false) + const result1 = await pool.execute(data, 'jsonIntegerSerialization') + expect(result1).toBe(false) + const result2 = await pool.execute(data, 'factorial') + expect(result2).toBe(3628800) + const result3 = await pool.execute(data, 'fibonacci') + expect(result3).toBe(55) + }) })