X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpools%2Fselection-strategies%2Fselection-strategies.test.js;h=b2aa4a0b69fbd4e006ce6f53fecb90295edb535d;hb=f59e102739e13698f278f1d9d58ab26ed8150442;hp=f5d41cc89927d1e7468273daa2fa4e80c87c8b73;hpb=cdace0e5b9082804893de9501372490ee1064090;p=poolifier.git diff --git a/tests/pools/selection-strategies/selection-strategies.test.js b/tests/pools/selection-strategies/selection-strategies.test.js index f5d41cc8..b2aa4a0b 100644 --- a/tests/pools/selection-strategies/selection-strategies.test.js +++ b/tests/pools/selection-strategies/selection-strategies.test.js @@ -5,6 +5,7 @@ const { FixedThreadPool, FixedClusterPool } = require('../../../lib') +const { CircularArray } = require('../../../lib/circular-array') describe('Selection strategies test suite', () => { const min = 0 @@ -12,12 +13,16 @@ describe('Selection strategies test suite', () => { it('Verify that WorkerChoiceStrategies enumeration provides string values', () => { expect(WorkerChoiceStrategies.ROUND_ROBIN).toBe('ROUND_ROBIN') - expect(WorkerChoiceStrategies.LESS_USED).toBe('LESS_USED') - expect(WorkerChoiceStrategies.LESS_BUSY).toBe('LESS_BUSY') + expect(WorkerChoiceStrategies.LEAST_USED).toBe('LEAST_USED') + expect(WorkerChoiceStrategies.LEAST_BUSY).toBe('LEAST_BUSY') + expect(WorkerChoiceStrategies.LEAST_ELU).toBe('LEAST_ELU') 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 () => { @@ -77,68 +82,49 @@ describe('Selection strategies test suite', () => { ).nextWorkerNodeId ).toBe(0) } else if (workerChoiceStrategy === WorkerChoiceStrategies.FAIR_SHARE) { - for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(workerChoiceStrategy) - .workerLastVirtualTaskTimestamp.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(workerChoiceStrategy) - .workerLastVirtualTaskTimestamp.get(workerNodeKey).start - ).toBe(0) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(workerChoiceStrategy) - .workerLastVirtualTaskTimestamp.get(workerNodeKey).end - ).toBe(0) - } + 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 + ).nextWorkerNodeId ).toBe(0) expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( workerChoiceStrategy ).defaultWorkerWeight ).toBeGreaterThan(0) - for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(workerChoiceStrategy) - .workersTaskRunTime.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(workerChoiceStrategy) - .workersTaskRunTime.get(workerNodeKey).weight - ).toBeGreaterThan(0) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(workerChoiceStrategy) - .workersTaskRunTime.get(workerNodeKey).runTime - ).toBe(0) - } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workerVirtualTaskRunTime + ).toBe(0) } } await pool.destroy() }) - it('Verify ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { + it('Verify ROUND_ROBIN strategy default policy', async () => { const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy } ) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(false) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(false) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: true + }) await pool.destroy() pool = new DynamicThreadPool( min, @@ -146,15 +132,65 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy } ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: true + }) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify ROUND_ROBIN strategy default tasks statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN + let pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(false) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(false) + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: false, + average: false, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: false, + average: false, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) // We need to clean up the resources after our test await pool.destroy() }) @@ -166,12 +202,55 @@ describe('Selection strategies test suite', () => { { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } ) // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` - const promises = [] + const promises = new Set() const maxMultiplier = 2 for (let i = 0; i < max * maxMultiplier; i++) { - promises.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) + 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 + } + }) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + WorkerChoiceStrategies.ROUND_ROBIN + ).nextWorkerNodeId + ).toBe(0) // We need to clean up the resources after our test await pool.destroy() }) @@ -184,12 +263,55 @@ describe('Selection strategies test suite', () => { { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } ) // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` - const promises = [] + const promises = new Set() const maxMultiplier = 2 for (let i = 0; i < max * maxMultiplier; i++) { - promises.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) + 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 + } + }) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + WorkerChoiceStrategies.ROUND_ROBIN + ).nextWorkerNodeId + ).toBe(0) // We need to clean up the resources after our test await pool.destroy() }) @@ -203,7 +325,7 @@ describe('Selection strategies test suite', () => { ) let results = new Set() for (let i = 0; i < max; i++) { - results.add(pool.chooseWorkerNode()[1].worker.id) + results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.id) } expect(results.size).toBe(max) await pool.destroy() @@ -214,7 +336,7 @@ describe('Selection strategies test suite', () => { ) results = new Set() for (let i = 0; i < max; i++) { - results.add(pool.chooseWorkerNode()[1].worker.threadId) + results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.threadId) } expect(results.size).toBe(max) await pool.destroy() @@ -260,22 +382,16 @@ describe('Selection strategies test suite', () => { await pool.destroy() }) - it('Verify LESS_USED strategy default tasks usage statistics requirements', async () => { - const workerChoiceStrategy = WorkerChoiceStrategies.LESS_USED + it('Verify LEAST_USED strategy default policy', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy } ) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(false) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(false) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: false + }) await pool.destroy() pool = new DynamicThreadPool( min, @@ -283,70 +399,198 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy } ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: false + }) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify LEAST_USED strategy default tasks statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED + let pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(false) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(false) + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: false, + average: false, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: false, + average: false, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify LESS_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_USED } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } ) - // TODO: Create a better test to cover `LessUsedWorkerChoiceStrategy#choose` - const promises = [] + // 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.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) + 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).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + } // We need to clean up the resources after our test await pool.destroy() }) - it('Verify LESS_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_USED } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } ) - // TODO: Create a better test to cover `LessUsedWorkerChoiceStrategy#choose` - const promises = [] + // 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.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) + 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).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + } // We need to clean up the resources after our test await pool.destroy() }) - it('Verify LESS_BUSY strategy default tasks usage statistics requirements', async () => { - const workerChoiceStrategy = WorkerChoiceStrategies.LESS_BUSY + it('Verify LEAST_BUSY strategy default policy', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy } ) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(false) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: false + }) await pool.destroy() pool = new DynamicThreadPool( min, @@ -354,70 +598,202 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy } ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: false + }) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify LEAST_BUSY strategy default tasks statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY + let pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(false) + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: true, + average: false, + median: false + }, + waitTime: { + aggregate: true, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: true, + average: false, + median: false + }, + waitTime: { + aggregate: true, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify LESS_BUSY strategy can be run in a fixed pool', 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', - { workerChoiceStrategy: WorkerChoiceStrategies.LESS_BUSY } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } ) - // TODO: Create a better test to cover `LessBusyWorkerChoiceStrategy#choose` - const promises = [] + // 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.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) + 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: expect.any(Number), + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + waitTime: { + aggregate: expect.any(Number), + 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).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.runTime.aggregate).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.waitTime.aggregate).toBeGreaterThanOrEqual(0) + } // We need to clean up the resources after our test await pool.destroy() }) - it('Verify LESS_BUSY strategy can be run in a dynamic pool', async () => { + 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.LESS_BUSY } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } ) - // TODO: Create a better test to cover `LessBusyWorkerChoiceStrategy#choose` - const promises = [] + // 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.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) + 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: expect.any(Number), + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + waitTime: { + aggregate: expect.any(Number), + 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).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.runTime.aggregate).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.waitTime.aggregate).toBeGreaterThanOrEqual(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 + it('Verify LEAST_ELU strategy default policy', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_ELU let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy } ) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: false + }) await pool.destroy() pool = new DynamicThreadPool( min, @@ -425,174 +801,242 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy } ) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: false + }) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify FAIR_SHARE strategy can be run in a fixed pool', async () => { - const pool = new FixedThreadPool( + it('Verify LEAST_ELU strategy default tasks statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_ELU + let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } + { workerChoiceStrategy } ) - // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` - const promises = [] - const maxMultiplier = 2 - for (let i = 0; i < max * maxMultiplier; i++) { - promises.push(pool.execute()) - } - await Promise.all(promises) expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - pool.workerChoiceStrategyContext.workerChoiceStrategy - ).workerLastVirtualTaskTimestamp.size - ).toBe(pool.workerNodes.length) + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: false, + average: false, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: true, + average: false, + median: false + } + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect( + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: false, + average: false, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: true, + average: false, + median: false + } + }) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify FAIR_SHARE strategy can be run in a dynamic pool', async () => { - const pool = new DynamicThreadPool( - min, + it('Verify LEAST_ELU strategy can be run in a fixed pool', async () => { + const pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_ELU } ) - // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` - const promises = [] + // TODO: Create a better test to cover `LeastEluWorkerChoiceStrategy#choose` + const promises = new Set() const maxMultiplier = 2 for (let i = 0; i < max * maxMultiplier; i++) { - promises.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) - // if (process.platform !== 'win32') { - // expect( - // pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - // pool.workerChoiceStrategyContext.workerChoiceStrategy - // ).workerLastVirtualTaskTimestamp.size - // ).toBe(pool.workerNodes.length) - // } + 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: expect.any(Number), + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + utilization: expect.any(Number) + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) + } // We need to clean up the resources after our test await pool.destroy() }) - it('Verify FAIR_SHARE strategy can be run in a dynamic pool with median run time statistic', async () => { + it('Verify LEAST_ELU strategy can be run in a dynamic pool', async () => { const pool = new DynamicThreadPool( min, max, './tests/worker-files/thread/testWorker.js', - { - workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE, - workerChoiceStrategyOptions: { - medRunTime: true - } - } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_ELU } ) - // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` - const promises = [] + // TODO: Create a better test to cover `LeastEluWorkerChoiceStrategy#choose` + const promises = new Set() const maxMultiplier = 2 for (let i = 0; i < max * maxMultiplier; i++) { - promises.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) for (const workerNode of pool.workerNodes) { - expect(workerNode.tasksUsage.avgRunTime).toBeDefined() - expect(workerNode.tasksUsage.avgRunTime).toBe(0) - expect(workerNode.tasksUsage.medRunTime).toBeDefined() - expect(workerNode.tasksUsage.medRunTime).toBeGreaterThan(0) + 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: expect.any(Number), + average: 0, + median: 0, + history: expect.any(CircularArray) + }, + utilization: expect.any(Number) + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) } - // if (process.platform !== 'win32') { - // expect( - // pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - // pool.workerChoiceStrategyContext.workerChoiceStrategy - // ).workerLastVirtualTaskTimestamp.size - // ).toBe(pool.workerNodes.length) - // } // We need to clean up the resources after our test await pool.destroy() }) - it('Verify FAIR_SHARE strategy internals are resets after setting it', async () => { + it('Verify FAIR_SHARE strategy default policy', async () => { const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE let pool = new FixedThreadPool( max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - workerChoiceStrategy - ).workerLastVirtualTaskTimestamp - ).toBeDefined() - pool.setWorkerChoiceStrategy(workerChoiceStrategy) - for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workerLastVirtualTaskTimestamp.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workerLastVirtualTaskTimestamp.get(workerNodeKey).start - ).toBe(0) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workerLastVirtualTaskTimestamp.get(workerNodeKey).end - ).toBe(0) - } + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: false + }) await pool.destroy() pool = new DynamicThreadPool( min, max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - workerChoiceStrategy - ).workerLastVirtualTaskTimestamp - ).toBeDefined() - pool.setWorkerChoiceStrategy(workerChoiceStrategy) - for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workerLastVirtualTaskTimestamp.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workerLastVirtualTaskTimestamp.get(workerNodeKey).start - ).toBe(0) - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workerLastVirtualTaskTimestamp.get(workerNodeKey).end - ).toBe(0) - } + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: false + }) // 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 + it('Verify FAIR_SHARE strategy default tasks statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', { workerChoiceStrategy } ) expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + 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 + } + }) await pool.destroy() pool = new DynamicThreadPool( min, @@ -601,106 +1045,241 @@ describe('Selection strategies test suite', () => { { workerChoiceStrategy } ) expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().runTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime - ).toBe(true) - expect( - pool.workerChoiceStrategyContext.getRequiredStatistics().medRunTime - ).toBe(false) + 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 + } + }) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { + it('Verify FAIR_SHARE strategy can be run in a fixed pool', async () => { const pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } + { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } ) - // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` - const promises = [] + // 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.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) + 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: expect.any(Number), + average: expect.any(Number), + 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: expect.any(Number), + average: expect.any(Number), + median: 0, + history: expect.any(CircularArray) + }, + utilization: expect.any(Number) + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.runTime.aggregate).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.runTime.average).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) + } expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( pool.workerChoiceStrategyContext.workerChoiceStrategy - ).workersTaskRunTime.size + ).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 run in a dynamic pool', async () => { + it('Verify FAIR_SHARE strategy can be run in a dynamic pool', async () => { const pool = new DynamicThreadPool( min, max, './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } + { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } ) - // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` - const promises = [] - const maxMultiplier = - pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - pool.workerChoiceStrategyContext.workerChoiceStrategy - ).defaultWorkerWeight * 50 + // 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.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) - if (process.platform !== 'win32') { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - pool.workerChoiceStrategyContext.workerChoiceStrategy - ).workersTaskRunTime.size - ).toBe(pool.workerNodes.length) + 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: expect.any(Number), + average: expect.any(Number), + 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: expect.any(Number), + average: expect.any(Number), + median: 0, + history: expect.any(CircularArray) + }, + utilization: expect.any(Number) + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.runTime.aggregate).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.runTime.average).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) } + 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 run in a dynamic pool with median run time statistic', async () => { + 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 + runTime: { median: true } } } ) - // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` - const promises = [] + // 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.push(pool.execute()) + promises.add(pool.execute()) } await Promise.all(promises) for (const workerNode of pool.workerNodes) { - expect(workerNode.tasksUsage.avgRunTime).toBeDefined() - expect(workerNode.tasksUsage.avgRunTime).toBe(0) - expect(workerNode.tasksUsage.medRunTime).toBeDefined() - expect(workerNode.tasksUsage.medRunTime).toBeGreaterThan(0) + expect(workerNode.usage).toStrictEqual({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + failed: 0 + }, + runTime: { + aggregate: expect.any(Number), + average: 0, + median: expect.any(Number), + 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: expect.any(Number), + average: expect.any(Number), + median: 0, + history: expect.any(CircularArray) + }, + utilization: expect.any(Number) + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.runTime.aggregate).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.runTime.median).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) } - // if (process.platform !== 'win32') { - // expect( - // pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - // pool.workerChoiceStrategyContext.workerChoiceStrategy - // ).workersTaskRunTime.size - // ).toBe(pool.workerNodes.length) - // } + 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 internals are resets after setting it', async () => { - const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN + 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' @@ -708,38 +1287,32 @@ describe('Selection strategies test suite', () => { expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( workerChoiceStrategy - ).currentWorkerNodeId - ).toBeDefined() + ).workersVirtualTaskEndTimestamp + ).toBeInstanceOf(Array) expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( workerChoiceStrategy - ).defaultWorkerWeight - ).toBeDefined() + ).workersVirtualTaskEndTimestamp.length + ).toBe(0) + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp[0] = performance.now() expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( workerChoiceStrategy - ).workersTaskRunTime - ).toBeDefined() + ).workersVirtualTaskEndTimestamp.length + ).toBe(1) pool.setWorkerChoiceStrategy(workerChoiceStrategy) expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - pool.workerChoiceStrategyContext.workerChoiceStrategy - ).currentWorkerNodeId - ).toBe(0) + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp + ).toBeInstanceOf(Array) expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - pool.workerChoiceStrategyContext.workerChoiceStrategy - ).defaultWorkerWeight - ).toBeGreaterThan(0) - for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workersTaskRunTime.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workersTaskRunTime.get(workerNodeKey).runTime - ).toBe(0) - } + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp.length + ).toBe(0) await pool.destroy() pool = new DynamicThreadPool( min, @@ -749,38 +1322,759 @@ describe('Selection strategies test suite', () => { expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( workerChoiceStrategy - ).currentWorkerNodeId - ).toBeDefined() + ).workersVirtualTaskEndTimestamp + ).toBeInstanceOf(Array) expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( workerChoiceStrategy - ).defaultWorkerWeight - ).toBeDefined() + ).workersVirtualTaskEndTimestamp.length + ).toBe(0) + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp[0] = performance.now() expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( workerChoiceStrategy - ).workersTaskRunTime - ).toBeDefined() + ).workersVirtualTaskEndTimestamp.length + ).toBe(1) pool.setWorkerChoiceStrategy(workerChoiceStrategy) expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - pool.workerChoiceStrategyContext.workerChoiceStrategy - ).currentWorkerNodeId - ).toBe(0) + workerChoiceStrategy + ).workersVirtualTaskEndTimestamp + ).toBeInstanceOf(Array) expect( pool.workerChoiceStrategyContext.workerChoiceStrategies.get( - pool.workerChoiceStrategyContext.workerChoiceStrategy - ).defaultWorkerWeight - ).toBeGreaterThan(0) - for (const workerNodeKey of pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workersTaskRunTime.keys()) { - expect( - pool.workerChoiceStrategyContext.workerChoiceStrategies - .get(pool.workerChoiceStrategyContext.workerChoiceStrategy) - .workersTaskRunTime.get(workerNodeKey).runTime - ).toBe(0) - } + 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 policy', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN + let pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: true + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: true + }) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify WEIGHTED_ROUND_ROBIN strategy default tasks statistics requirements', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN + let pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect( + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: true, + average: true, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect( + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: true, + average: true, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { + const pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } + ) + // 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.usage).toStrictEqual({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + failed: 0 + }, + runTime: { + aggregate: expect.any(Number), + average: expect.any(Number), + 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).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.runTime.aggregate).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.runTime.average).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() + }) + + it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { + const pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } + ) + // 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.usage).toStrictEqual({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + failed: 0 + }, + runTime: { + aggregate: expect.any(Number), + average: expect.any(Number), + 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).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + expect(workerNode.usage.runTime.average).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: { + runTime: { median: 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.usage).toStrictEqual({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + failed: 0 + }, + runTime: { + aggregate: expect.any(Number), + average: 0, + median: expect.any(Number), + 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).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + expect(workerNode.usage.runTime.median).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 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.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeId + ).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 + ).nextWorkerNodeId + ).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, + max, + './tests/worker-files/thread/testWorker.js' + ) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeId + ).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 + ).nextWorkerNodeId + ).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 INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy default policy', async () => { + const workerChoiceStrategy = + WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN + let pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: true + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + useDynamicWorker: true + }) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy default tasks 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.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: false, + average: false, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect( + pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() + ).toStrictEqual({ + runTime: { + aggregate: false, + average: false, + median: false + }, + waitTime: { + aggregate: false, + average: false, + median: false + }, + elu: { + aggregate: false, + average: false, + median: false + } + }) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { + const pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js', + { + workerChoiceStrategy: + WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN + } + ) + // TODO: Create a better test to cover `InterleavedWeightedRoundRobinWorkerChoiceStrategy#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.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 + } + }) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).roundId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).roundWeights + ).toStrictEqual([ + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ]) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { + const pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { + workerChoiceStrategy: + WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN + } + ) + // TODO: Create a better test to cover `InterleavedWeightedRoundRobinWorkerChoiceStrategy#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.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 + } + }) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).roundId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).roundWeights + ).toStrictEqual([ + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ]) + // We need to clean up the resources after our test + await pool.destroy() + }) + + it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { + const workerChoiceStrategy = + WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN + let pool = new FixedThreadPool( + max, + './tests/worker-files/thread/testWorker.js' + ) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundId + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeId + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).defaultWorkerWeight + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundWeights + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundWeights + ).toStrictEqual([ + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ]) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js' + ) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundId + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeId + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).defaultWorkerWeight + ).toBeDefined() + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundWeights + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeId + ).toBe(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ).toBeGreaterThan(0) + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundWeights + ).toStrictEqual([ + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ]) // We need to clean up the resources after our test await pool.destroy() })