X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpools%2Fcluster%2Fdynamic.test.js;h=74cb5d8ff646d78c121793a665d06409ea181ce5;hb=aee467366d8c393b79e7af82c6a7ab12338ee64e;hp=9e610d65ace3ab0f8e38b734cfeadfd38a4dffa2;hpb=292ad316a2815762f2e4a822383f1aef5ae49774;p=poolifier.git diff --git a/tests/pools/cluster/dynamic.test.js b/tests/pools/cluster/dynamic.test.js index 9e610d65..74cb5d8f 100644 --- a/tests/pools/cluster/dynamic.test.js +++ b/tests/pools/cluster/dynamic.test.js @@ -1,34 +1,42 @@ -const expect = require('expect') -const { DynamicClusterPool } = require('../../../lib/index') +const { expect } = require('expect') +const { DynamicClusterPool, PoolEvents } = require('../../../lib/index') +const { WorkerFunctions } = require('../../test-types') const TestUtils = require('../../test-utils') -const min = 1 -const max = 3 -const pool = new DynamicClusterPool( - min, - max, - './tests/worker-files/cluster/testWorker.js', - { - errorHandler: e => console.error(e) - } -) describe('Dynamic cluster pool test suite', () => { + const min = 1 + const max = 3 + const pool = new DynamicClusterPool( + min, + max, + './tests/worker-files/cluster/testWorker.js', + { + errorHandler: e => console.error(e) + } + ) + 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(false) + result = await pool.execute({ + function: WorkerFunctions.factorial + }) + expect(result).toBe(false) }) it('Verify that new workers are created when required, max size is not exceeded and that after a while new workers will die', async () => { - const promises = [] let poolBusy = 0 - pool.emitter.on('busy', () => poolBusy++) + pool.emitter.on(PoolEvents.busy, () => ++poolBusy) for (let i = 0; i < max * 2; i++) { - promises.push(pool.execute({ test: 'test' })) + pool.execute() } expect(pool.workers.length).toBeLessThanOrEqual(max) expect(pool.workers.length).toBeGreaterThan(min) - expect(poolBusy).toEqual(max + 1) + // The `busy` 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 + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool. + expect(poolBusy).toBe(max + 1) const numberOfExitEvents = await TestUtils.waitExits(pool, max - min) expect(numberOfExitEvents).toBe(max - min) }) @@ -36,13 +44,13 @@ describe('Dynamic cluster pool test suite', () => { it('Verify scale worker up and down is working', async () => { expect(pool.workers.length).toBe(min) for (let i = 0; i < max * 10; i++) { - pool.execute({ test: 'test' }) + pool.execute() } expect(pool.workers.length).toBeGreaterThan(min) await TestUtils.waitExits(pool, max - min) expect(pool.workers.length).toBe(min) for (let i = 0; i < max * 10; i++) { - pool.execute({ test: 'test' }) + pool.execute() } expect(pool.workers.length).toBeGreaterThan(min) await TestUtils.waitExits(pool, max - min) @@ -52,8 +60,8 @@ describe('Dynamic cluster pool test suite', () => { it('Shutdown test', async () => { const exitPromise = TestUtils.waitExits(pool, min) await pool.destroy() - const res = await exitPromise - expect(res).toBe(min) + const numberOfExitEvents = await exitPromise + expect(numberOfExitEvents).toBe(min) }) it('Validation of inputs test', () => { @@ -64,12 +72,12 @@ describe('Dynamic cluster pool test suite', () => { it('Should work even without opts in input', async () => { const pool1 = new DynamicClusterPool( - 1, - 1, + min, + max, './tests/worker-files/cluster/testWorker.js' ) - const result = await pool1.execute({ test: 'test' }) - expect(result).toBeFalsy() + const result = await pool1.execute() + expect(result).toBe(false) // We need to clean up the resources after our test await pool1.destroy() }) @@ -87,11 +95,10 @@ describe('Dynamic cluster pool test suite', () => { ) expect(longRunningPool.workers.length).toBe(min) for (let i = 0; i < max * 10; i++) { - longRunningPool.execute({ test: 'test' }) + longRunningPool.execute() } expect(longRunningPool.workers.length).toBe(max) await TestUtils.waitExits(longRunningPool, max - min) - // Here we expect the workers to be at the max size since that the task is still running expect(longRunningPool.workers.length).toBe(min) // We need to clean up the resources after our test await longRunningPool.destroy() @@ -110,11 +117,11 @@ describe('Dynamic cluster pool test suite', () => { ) expect(longRunningPool.workers.length).toBe(min) for (let i = 0; i < max * 10; i++) { - longRunningPool.execute({ test: 'test' }) + longRunningPool.execute() } expect(longRunningPool.workers.length).toBe(max) await TestUtils.sleep(1500) - // Here we expect the workers to be at the max size since that the task is still running + // Here we expect the workers to be at the max size since the task is still running expect(longRunningPool.workers.length).toBe(max) // We need to clean up the resources after our test await longRunningPool.destroy()