X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpools%2Fselection-strategies%2Fselection-strategies.test.js;h=352eb7f636e30788ce90c80d4e6d98c1255ded77;hb=5a31b13c97c664f37f284960713e5261e6b04055;hp=49e87a92dcd1649878c7d5659c4aac1ed5928db7;hpb=6e7fa401ce994a6ddb74d8ff1cc9e5a171270afd;p=poolifier.git diff --git a/tests/pools/selection-strategies/selection-strategies.test.js b/tests/pools/selection-strategies/selection-strategies.test.js index 49e87a92..352eb7f6 100644 --- a/tests/pools/selection-strategies/selection-strategies.test.js +++ b/tests/pools/selection-strategies/selection-strategies.test.js @@ -2,8 +2,10 @@ const { expect } = require('expect') const { WorkerChoiceStrategies, DynamicThreadPool, - FixedThreadPool -} = require('../../../lib/index') + FixedThreadPool, + FixedClusterPool +} = require('../../../lib') +const { CircularArray } = require('../../../lib/circular-array') describe('Selection strategies test suite', () => { const min = 0 @@ -11,11 +13,15 @@ describe('Selection strategies test suite', () => { it('Verify that WorkerChoiceStrategies enumeration provides string values', () => { expect(WorkerChoiceStrategies.ROUND_ROBIN).toBe('ROUND_ROBIN') - expect(WorkerChoiceStrategies.LESS_RECENTLY_USED).toBe('LESS_RECENTLY_USED') + expect(WorkerChoiceStrategies.LEAST_USED).toBe('LEAST_USED') + expect(WorkerChoiceStrategies.LEAST_BUSY).toBe('LEAST_BUSY') expect(WorkerChoiceStrategies.FAIR_SHARE).toBe('FAIR_SHARE') expect(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN).toBe( 'WEIGHTED_ROUND_ROBIN' ) + expect(WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN).toBe( + 'INTERLEAVED_WEIGHTED_ROUND_ROBIN' + ) }) it('Verify ROUND_ROBIN strategy is the default at pool creation', async () => { @@ -31,41 +37,117 @@ describe('Selection strategies test suite', () => { await pool.destroy() }) - it('Verify ROUND_ROBIN strategy can be set after pool creation', async () => { - const pool = new DynamicThreadPool( - min, + it('Verify available strategies are taken at pool creation', async () => { + for (const workerChoiceStrategy of Object.values(WorkerChoiceStrategies)) { + const pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.opts.workerChoiceStrategy).toBe(workerChoiceStrategy) + expect(pool.workerChoiceStrategyContext.workerChoiceStrategy).toBe( + workerChoiceStrategy + ) + await pool.destroy() + } + }) + + it('Verify available strategies can be set after pool creation', async () => { + for (const workerChoiceStrategy of Object.values(WorkerChoiceStrategies)) { + const pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js' + ) + pool.setWorkerChoiceStrategy(workerChoiceStrategy) + expect(pool.opts.workerChoiceStrategy).toBe(workerChoiceStrategy) + expect(pool.workerChoiceStrategyContext.workerChoiceStrategy).toBe( + workerChoiceStrategy + ) + await pool.destroy() + } + }) + + it('Verify available strategies default internals at pool creation', async () => { + const pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js' ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.ROUND_ROBIN - ) - // We need to clean up the resources after our test + for (const workerChoiceStrategy of Object.values(WorkerChoiceStrategies)) { + if (workerChoiceStrategy === WorkerChoiceStrategies.ROUND_ROBIN) { + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeId + ).toBe(0) + } else if (workerChoiceStrategy === WorkerChoiceStrategies.FAIR_SHARE) { + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp + ).toBeInstanceOf(Array) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(0) + } else if ( + workerChoiceStrategy === WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN + ) { + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).currentWorkerNodeId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workerVirtualTaskRunTime + ).toBe(0) + } + } await pool.destroy() }) it('Verify ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN let pool = new FixedThreadPool( max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(false) + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: false, + avgRunTime: false, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) await pool.destroy() pool = new DynamicThreadPool( min, max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(false) + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: false, + avgRunTime: false, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) // We need to clean up the resources after our test await pool.destroy() }) @@ -76,15 +158,28 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } ) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.ROUND_ROBIN - ) // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` - const promises = [] - for (let i = 0; i < max * 2; i++) { - promises.push(pool.execute()) + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) } await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: maxMultiplier, + running: 0, + runTime: 0, + runTimeHistory: expect.any(CircularArray), + avgRunTime: 0, + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + } // We need to clean up the resources after our test await pool.destroy() }) @@ -96,162 +191,344 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } ) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.ROUND_ROBIN - ) // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` - const promises = [] - for (let i = 0; i < max * 2; i++) { - promises.push(pool.execute()) + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) } await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: maxMultiplier, + running: 0, + runTime: 0, + runTimeHistory: expect.any(CircularArray), + avgRunTime: 0, + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + } // We need to clean up the resources after our test await pool.destroy() }) - it('Verify LESS_RECENTLY_USED strategy is taken at pool creation', async () => { - const pool = new FixedThreadPool( + it('Verify ROUND_ROBIN strategy runtime behavior', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN + let pool = new FixedClusterPool( max, - './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.LESS_RECENTLY_USED } + './tests/worker-files/cluster/testWorker.js', + { workerChoiceStrategy } ) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.LESS_RECENTLY_USED + let results = new Set() + for (let i = 0; i < max; i++) { + results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.id) + } + expect(results.size).toBe(max) + await pool.destroy() + pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - // We need to clean up the resources after our test + results = new Set() + for (let i = 0; i < max; i++) { + results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.threadId) + } + expect(results.size).toBe(max) await pool.destroy() }) - it('Verify LESS_RECENTLY_USED strategy can be set after pool creation', async () => { - const pool = new FixedThreadPool( + it('Verify ROUND_ROBIN strategy internals are resets after setting it', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN + let pool = new FixedThreadPool( max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_RECENTLY_USED) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.LESS_RECENTLY_USED + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeId + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeId + ).toBe(0) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } ) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeId + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeId + ).toBe(0) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify LESS_RECENTLY_USED strategy default tasks usage statistics requirements', async () => { + it('Verify LEAST_USED strategy default tasks usage statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED let pool = new FixedThreadPool( max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_RECENTLY_USED) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(false) + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: false, + avgRunTime: false, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) await pool.destroy() pool = new DynamicThreadPool( min, max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_RECENTLY_USED) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(false) + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: false, + avgRunTime: false, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify LESS_RECENTLY_USED strategy can be run in a fixed pool', async () => { + it('Verify LEAST_USED strategy can be run in a fixed pool', async () => { const pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.LESS_RECENTLY_USED } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } ) - // TODO: Create a better test to cover `LessRecentlyUsedWorkerChoiceStrategy#choose` - const promises = [] - for (let i = 0; i < max * 2; i++) { - promises.push(pool.execute()) + // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) } await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: maxMultiplier, + running: 0, + runTime: 0, + runTimeHistory: expect.any(CircularArray), + avgRunTime: 0, + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + } // We need to clean up the resources after our test await pool.destroy() }) - it('Verify LESS_RECENTLY_USED strategy can be run in a dynamic pool', async () => { + it('Verify LEAST_USED strategy can be run in a dynamic pool', async () => { const pool = new DynamicThreadPool( min, max, './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.LESS_RECENTLY_USED } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } ) - // TODO: Create a better test to cover `LessRecentlyUsedWorkerChoiceStrategy#choose` - const promises = [] - for (let i = 0; i < max * 2; i++) { - promises.push(pool.execute()) + // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) } await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: maxMultiplier, + running: 0, + runTime: 0, + runTimeHistory: expect.any(CircularArray), + avgRunTime: 0, + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + } // We need to clean up the resources after our test await pool.destroy() }) - it('Verify FAIR_SHARE strategy is taken at pool creation', async () => { - const pool = new FixedThreadPool( + it('Verify LEAST_BUSY strategy default tasks usage statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY + let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } + { workerChoiceStrategy } ) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.FAIR_SHARE - ) - for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get( - worker - ).start - ).toBe(0) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get( - worker - ).end - ).toBe(0) - } + expect( + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: true, + avgRunTime: false, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect( + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: true, + avgRunTime: false, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify FAIR_SHARE strategy can be set after pool creation', async () => { + it('Verify LEAST_BUSY strategy can be run in a fixed pool', async () => { const pool = new FixedThreadPool( max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.FAIR_SHARE + // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) + } + await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: expect.any(Number), + running: 0, + runTime: expect.any(Number), + runTimeHistory: expect.any(CircularArray), + avgRunTime: 0, + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + expect(workerNode.tasksUsage.run).toBeGreaterThan(0) + expect(workerNode.tasksUsage.run).toBeLessThanOrEqual(max * maxMultiplier) + expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) + } + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify LEAST_BUSY strategy can be run in a dynamic pool', async () => { + const pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } ) + // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) + } + await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: expect.any(Number), + running: 0, + runTime: expect.any(Number), + runTimeHistory: expect.any(CircularArray), + avgRunTime: 0, + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + expect(workerNode.tasksUsage.run).toBeGreaterThan(0) + expect(workerNode.tasksUsage.run).toBeLessThanOrEqual(max * maxMultiplier) + expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) + } // We need to clean up the resources after our test await pool.destroy() }) it('Verify FAIR_SHARE strategy default tasks usage statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE let pool = new FixedThreadPool( max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(true) + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: true, + avgRunTime: true, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) await pool.destroy() pool = new DynamicThreadPool( min, max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(true) + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: true, + avgRunTime: true, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) // We need to clean up the resources after our test await pool.destroy() }) @@ -263,11 +540,34 @@ describe('Selection strategies test suite', () => { { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } ) // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` - const promises = [] - for (let i = 0; i < max * 2; i++) { - promises.push(pool.execute()) + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) } await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: maxMultiplier, + running: 0, + runTime: expect.any(Number), + runTimeHistory: expect.any(CircularArray), + avgRunTime: expect.any(Number), + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) + expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThan(0) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(pool.workerNodes.length) // We need to clean up the resources after our test await pool.destroy() }) @@ -280,118 +580,191 @@ describe('Selection strategies test suite', () => { { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } ) // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` - const promises = [] - for (let i = 0; i < max * 2; i++) { - promises.push(pool.execute()) + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) } await Promise.all(promises) - // We need to clean up the resources after our test - await pool.destroy() - }) - - it('Verify FAIR_SHARE strategy statistics are resets after setting it', async () => { - let pool = new FixedThreadPool( - max, - './tests/worker-files/thread/testWorker.js' - ) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy - .workerLastVirtualTaskTimestamp - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) - for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get( - worker - ).start - ).toBe(0) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get( - worker - ).end - ).toBe(0) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: maxMultiplier, + running: 0, + runTime: expect.any(Number), + runTimeHistory: expect.any(CircularArray), + avgRunTime: expect.any(Number), + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) + expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThan(0) } - await pool.destroy() - pool = new DynamicThreadPool( - min, - max, - './tests/worker-files/thread/testWorker.js' - ) expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy - .workerLastVirtualTaskTimestamp - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) - for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workerLastVirtualTaskTimestamp.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get( - worker - ).start - ).toBe(0) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workerLastVirtualTaskTimestamp.get( - worker - ).end - ).toBe(0) - } + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(pool.workerNodes.length) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify WEIGHTED_ROUND_ROBIN strategy is taken at pool creation', async () => { - const pool = new FixedThreadPool( + it('Verify FAIR_SHARE strategy can be run in a dynamic pool with median runtime statistic', async () => { + const pool = new DynamicThreadPool( + min, max, './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } + { + workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE, + workerChoiceStrategyOptions: { + medRunTime: true + } + } ) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN - ) - for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime.get( - worker - ).runTime - ).toBe(0) + // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) + } + await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: maxMultiplier, + running: 0, + runTime: expect.any(Number), + runTimeHistory: expect.any(CircularArray), + avgRunTime: 0, + medRunTime: expect.any(Number), + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) + expect(workerNode.tasksUsage.medRunTime).toBeGreaterThan(0) } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(pool.workerNodes.length) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify WEIGHTED_ROUND_ROBIN strategy can be set after pool creation', async () => { - const pool = new FixedThreadPool( + it('Verify FAIR_SHARE strategy internals are resets after setting it', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE + let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js' ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp + ).toBeInstanceOf(Array) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(0) + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp[0] = performance.now() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(1) + pool.setWorkerChoiceStrategy(workerChoiceStrategy) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp + ).toBeInstanceOf(Array) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(0) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js' ) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp + ).toBeInstanceOf(Array) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(0) + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp[0] = performance.now() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(1) + pool.setWorkerChoiceStrategy(workerChoiceStrategy) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp + ).toBeInstanceOf(Array) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(0) // We need to clean up the resources after our test await pool.destroy() }) it('Verify WEIGHTED_ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN let pool = new FixedThreadPool( max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(true) + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: true, + avgRunTime: true, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) await pool.destroy() pool = new DynamicThreadPool( min, max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(true) + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: true, + avgRunTime: true, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) // We need to clean up the resources after our test await pool.destroy() }) @@ -403,11 +776,41 @@ describe('Selection strategies test suite', () => { { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } ) // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` - const promises = [] - for (let i = 0; i < max * 2; i++) { - promises.push(pool.execute()) + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) } await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: expect.any(Number), + running: 0, + runTime: expect.any(Number), + runTimeHistory: expect.any(CircularArray), + avgRunTime: expect.any(Number), + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + expect(workerNode.tasksUsage.run).toBeGreaterThanOrEqual(0) + expect(workerNode.tasksUsage.run).toBeLessThanOrEqual(max * maxMultiplier) + expect(workerNode.tasksUsage.runTime).toBeGreaterThanOrEqual(0) + expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).workerVirtualTaskRunTime + ).toBeGreaterThanOrEqual(0) // We need to clean up the resources after our test await pool.destroy() }) @@ -420,31 +823,134 @@ describe('Selection strategies test suite', () => { { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } ) // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` - const promises = [] - for (let i = 0; i < max * 2; i++) { - promises.push(pool.execute()) + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) } await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: expect.any(Number), + running: 0, + runTime: expect.any(Number), + runTimeHistory: expect.any(CircularArray), + avgRunTime: expect.any(Number), + medRunTime: 0, + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + expect(workerNode.tasksUsage.run).toBeGreaterThan(0) + expect(workerNode.tasksUsage.run).toBeLessThanOrEqual(max * maxMultiplier) + expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) + expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThan(0) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).workerVirtualTaskRunTime + ).toBeGreaterThanOrEqual(0) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool with median runtime statistic', async () => { + const pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { + workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN, + workerChoiceStrategyOptions: { + medRunTime: true + } + } + ) + // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` + const promises = new Set() + const maxMultiplier = 2 + for (let i = 0; i < max * maxMultiplier; i++) { + promises.add(pool.execute()) + } + await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.tasksUsage).toStrictEqual({ + run: expect.any(Number), + running: 0, + runTime: expect.any(Number), + runTimeHistory: expect.any(CircularArray), + avgRunTime: 0, + medRunTime: expect.any(Number), + waitTime: 0, + waitTimeHistory: expect.any(CircularArray), + avgWaitTime: 0, + medWaitTime: 0, + error: 0 + }) + expect(workerNode.tasksUsage.run).toBeGreaterThan(0) + expect(workerNode.tasksUsage.run).toBeLessThanOrEqual(max * maxMultiplier) + expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) + expect(workerNode.tasksUsage.medRunTime).toBeGreaterThan(0) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).workerVirtualTaskRunTime + ).toBeGreaterThanOrEqual(0) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify WEIGHTED_ROUND_ROBIN strategy statistics are resets after setting it', async () => { + it('Verify WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js' ) expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) - for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workersTaskRunTime.get( - worker - ).runTime - ).toBe(0) - } + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).currentWorkerNodeId + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).defaultWorkerWeight + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workerVirtualTaskRunTime + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).currentWorkerNodeId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workerVirtualTaskRunTime + ).toBe(0) await pool.destroy() pool = new DynamicThreadPool( min, @@ -452,22 +958,80 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js' ) expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy - .workersTaskRunTime - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) - for (const worker of pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workersTaskRunTime.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategy.workerChoiceStrategy.workersTaskRunTime.get( - worker - ).runTime - ).toBe(0) - } + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).currentWorkerNodeId + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).defaultWorkerWeight + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workerVirtualTaskRunTime + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).currentWorkerNodeId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workerVirtualTaskRunTime + ).toBe(0) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify unknown strategies throw error', () => { + it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { + const workerChoiceStrategy = + WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN + let pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect( + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: false, + avgRunTime: false, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect( + pool.workerChoiceStrategyContext.getRequiredStatistics() + ).toStrictEqual({ + runTime: false, + avgRunTime: false, + medRunTime: false, + waitTime: false, + avgWaitTime: false, + medWaitTime: false + }) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify unknown strategy throw error', () => { expect( () => new DynamicThreadPool( @@ -476,8 +1040,6 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy: 'UNKNOWN_STRATEGY' } ) - ).toThrowError( - new Error("Worker choice strategy 'UNKNOWN_STRATEGY' not found") - ) + ).toThrowError("Invalid worker choice strategy 'UNKNOWN_STRATEGY'") }) })