X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpools%2Fselection-strategies%2Fselection-strategies.test.js;h=6b5dfdb567e5e220b63afafed22b91702dc699b9;hb=7db630696d5b97d2535fbde0288f0c63d2e47762;hp=64b26cd54c15426a61f857fe068f7466d11c814d;hpb=38f6e859ac08e5bed3ced3b7940d02de517a1f76;p=poolifier.git diff --git a/tests/pools/selection-strategies/selection-strategies.test.js b/tests/pools/selection-strategies/selection-strategies.test.js index 64b26cd5..6b5dfdb5 100644 --- a/tests/pools/selection-strategies/selection-strategies.test.js +++ b/tests/pools/selection-strategies/selection-strategies.test.js @@ -1,9 +1,12 @@ const { expect } = require('expect') const { - WorkerChoiceStrategies, + DynamicClusterPool, DynamicThreadPool, - FixedThreadPool -} = require('../../../lib/index') + FixedClusterPool, + FixedThreadPool, + WorkerChoiceStrategies +} = require('../../../lib') +const { CircularArray } = require('../../../lib/circular-array') describe('Selection strategies test suite', () => { const min = 0 @@ -11,11 +14,16 @@ 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.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 () => { @@ -31,57 +39,198 @@ describe('Selection strategies test suite', () => { await pool.destroy() }) - it('Verify ROUND_ROBIN strategy is taken at pool creation', async () => { + 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 + ) + expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ + retries: 6, + runTime: { median: false }, + waitTime: { median: false }, + elu: { median: false } + }) + expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({ + retries: 6, + runTime: { median: false }, + waitTime: { median: false }, + elu: { median: false } + }) + await pool.destroy() + } + for (const workerChoiceStrategy of Object.values(WorkerChoiceStrategies)) { + const pool = new DynamicClusterPool( + min, + max, + './tests/worker-files/cluster/testWorker.js' + ) + pool.setWorkerChoiceStrategy(workerChoiceStrategy, { retries: 3 }) + expect(pool.opts.workerChoiceStrategy).toBe(workerChoiceStrategy) + expect(pool.workerChoiceStrategyContext.workerChoiceStrategy).toBe( + workerChoiceStrategy + ) + expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ + retries: 3, + runTime: { median: false }, + waitTime: { median: false }, + elu: { median: false } + }) + expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({ + retries: 3, + runTime: { median: false }, + waitTime: { median: false }, + elu: { median: false } + }) + await pool.destroy() + } + }) + + it('Verify available strategies default internals at pool creation', async () => { const pool = new FixedThreadPool( max, - './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } - ) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.ROUND_ROBIN + './tests/worker-files/thread/testWorker.js' ) - expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy().nextWorkerIndex - ).toBe(0) - // 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 + ).nextWorkerNodeKey + ).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 + ).nextWorkerNodeKey + ).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 can be set after pool creation', async () => { - const pool = new DynamicThreadPool( - min, + it('Verify ROUND_ROBIN strategy default policy', 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.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.ROUND_ROBIN + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { + 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' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).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' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).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() }) @@ -92,15 +241,44 @@ 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.usage).toStrictEqual({ + tasks: { + executed: maxMultiplier, + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + WorkerChoiceStrategies.ROUND_ROBIN + ).nextWorkerNodeKey + ).toBe(0) // We need to clean up the resources after our test await pool.destroy() }) @@ -112,31 +290,95 @@ 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.usage).toStrictEqual({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + WorkerChoiceStrategies.ROUND_ROBIN + ).nextWorkerNodeKey + ).toBe(0) // We need to clean up the resources after our test await pool.destroy() }) + it('Verify ROUND_ROBIN strategy runtime behavior', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN + let pool = new FixedClusterPool( + max, + './tests/worker-files/cluster/testWorker.js', + { workerChoiceStrategy } + ) + 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 } + ) + 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 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', { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } ) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy().nextWorkerIndex - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeKey + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy().nextWorkerIndex + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeKey ).toBe(0) await pool.destroy() pool = new DynamicThreadPool( @@ -146,163 +388,681 @@ describe('Selection strategies test suite', () => { { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } ) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.nextWorkerIndex - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeKey + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.nextWorkerIndex + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeKey ).toBe(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 LEAST_USED strategy default policy', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED + let pool = new FixedThreadPool( max, './tests/worker-files/thread/testWorker.js', - { workerChoiceStrategy: WorkerChoiceStrategies.LESS_RECENTLY_USED } + { workerChoiceStrategy } ) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.LESS_RECENTLY_USED + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + // 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.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 LESS_RECENTLY_USED strategy can be set after pool creation', 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' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_RECENTLY_USED) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.LESS_RECENTLY_USED + // 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.usage).toStrictEqual({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + 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 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.LEAST_USED } ) + // 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.usage).toStrictEqual({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + 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_RECENTLY_USED strategy default tasks usage statistics requirements', async () => { + it('Verify LEAST_BUSY strategy default policy', async () => { + const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY let pool = new FixedThreadPool( max, - './tests/worker-files/thread/testWorker.js' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + // 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 } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_RECENTLY_USED) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).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' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_RECENTLY_USED) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).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_RECENTLY_USED 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_RECENTLY_USED } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } ) - // 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 `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.usage).toMatchObject({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.runTime.aggregate == null) { + expect(workerNode.usage.runTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.waitTime.aggregate == null) { + expect(workerNode.usage.waitTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.waitTime.aggregate).toBeGreaterThan(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_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_RECENTLY_USED } + { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } ) - // 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 `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.usage).toMatchObject({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.runTime.aggregate == null) { + expect(workerNode.usage.runTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.waitTime.aggregate == null) { + expect(workerNode.usage.waitTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.waitTime.aggregate).toBeGreaterThan(0) + } + } + // We need to clean up the resources after our test + await pool.destroy() + }) + + 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.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + // We need to clean up the resources after our test + await pool.destroy() + }) + + 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 } + ) + 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 + } + }) + 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 is taken at pool creation', async () => { + 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 } ) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.FAIR_SHARE + // 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.add(pool.execute()) + } + await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.usage).toMatchObject({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.elu.active.aggregate == null) { + expect(workerNode.usage.elu.active.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.active.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.elu.idle.aggregate == null) { + expect(workerNode.usage.elu.idle.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.idle.aggregate).toBeGreaterThanOrEqual(0) + } + if (workerNode.usage.elu.utilization == null) { + expect(workerNode.usage.elu.utilization).toBeUndefined() + } else { + 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 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.LEAST_ELU } ) - for (const worker of pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerLastVirtualTaskTimestamp.keys()) { - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerLastVirtualTaskTimestamp.get(worker).start - ).toBe(0) - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerLastVirtualTaskTimestamp.get(worker).end - ).toBe(0) + // 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.add(pool.execute()) + } + await Promise.all(promises) + for (const workerNode of pool.workerNodes) { + expect(workerNode.usage).toMatchObject({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.elu.active.aggregate == null) { + expect(workerNode.usage.elu.active.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.active.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.elu.idle.aggregate == null) { + expect(workerNode.usage.elu.idle.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.idle.aggregate).toBeGreaterThanOrEqual(0) + } + if (workerNode.usage.elu.utilization == null) { + expect(workerNode.usage.elu.utilization).toBeUndefined() + } else { + 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 set after pool creation', async () => { - const pool = new FixedThreadPool( + 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 } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.FAIR_SHARE + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) // We need to clean up the resources after our test await pool.destroy() }) - it('Verify FAIR_SHARE strategy default tasks usage statistics requirements', async () => { + 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' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(true) + 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, 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.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() }) @@ -314,11 +1074,73 @@ 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.usage).toMatchObject({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.runTime.aggregate == null) { + expect(workerNode.usage.runTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.runTime.average == null) { + expect(workerNode.usage.runTime.average).toBeUndefined() + } else { + expect(workerNode.usage.runTime.average).toBeGreaterThan(0) + } + if (workerNode.usage.elu.active.aggregate == null) { + expect(workerNode.usage.elu.active.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.active.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.elu.idle.aggregate == null) { + expect(workerNode.usage.elu.idle.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.idle.aggregate).toBeGreaterThanOrEqual(0) + } + if (workerNode.usage.elu.utilization == null) { + expect(workerNode.usage.elu.utilization).toBeUndefined() + } else { + 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() }) @@ -331,39 +1153,196 @@ 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.usage).toMatchObject({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.runTime.aggregate == null) { + expect(workerNode.usage.runTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.runTime.average == null) { + expect(workerNode.usage.runTime.average).toBeUndefined() + } else { + expect(workerNode.usage.runTime.average).toBeGreaterThan(0) + } + if (workerNode.usage.elu.active.aggregate == null) { + expect(workerNode.usage.elu.active.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.active.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.elu.idle.aggregate == null) { + expect(workerNode.usage.elu.idle.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.idle.aggregate).toBeGreaterThanOrEqual(0) + } + if (workerNode.usage.elu.utilization == null) { + expect(workerNode.usage.elu.utilization).toBeUndefined() + } else { + 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 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.FAIR_SHARE, + workerChoiceStrategyOptions: { + runTime: { median: true } + } + } + ) + // 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.usage).toMatchObject({ + tasks: { + executed: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.runTime.aggregate == null) { + expect(workerNode.usage.runTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.runTime.median == null) { + expect(workerNode.usage.runTime.median).toBeUndefined() + } else { + expect(workerNode.usage.runTime.median).toBeGreaterThan(0) + } + if (workerNode.usage.elu.active.aggregate == null) { + expect(workerNode.usage.elu.active.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.active.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.elu.idle.aggregate == null) { + expect(workerNode.usage.elu.idle.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.elu.idle.aggregate).toBeGreaterThanOrEqual(0) + } + if (workerNode.usage.elu.utilization == null) { + expect(workerNode.usage.elu.utilization).toBeUndefined() + } else { + 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 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' ) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerLastVirtualTaskTimestamp - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) - for (const worker of pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerLastVirtualTaskTimestamp.keys()) { - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerLastVirtualTaskTimestamp.get(worker).start - ).toBe(0) - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerLastVirtualTaskTimestamp.get(worker).end - ).toBe(0) - } + 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, @@ -371,181 +1350,687 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js' ) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.workerLastVirtualTaskTimestamp - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) - for (const worker of pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerChoiceStrategy.workerLastVirtualTaskTimestamp.keys()) { - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(worker).start - ).toBe(0) - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerChoiceStrategy.workerLastVirtualTaskTimestamp.get(worker).end - ).toBe(0) - } + 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 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({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } + ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: 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 is taken at pool creation', async () => { + 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 } ) - expect(pool.opts.workerChoiceStrategy).toBe( - 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, + stolen: 0, + failed: 0 + }, + runTime: expect.objectContaining({ + history: expect.any(CircularArray) + }), + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.runTime.aggregate == null) { + expect(workerNode.usage.runTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.runTime.average == null) { + expect(workerNode.usage.runTime.average).toBeUndefined() + } else { + 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', 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, + stolen: 0, + failed: 0 + }, + runTime: expect.objectContaining({ + history: expect.any(CircularArray) + }), + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.runTime.aggregate == null) { + expect(workerNode.usage.runTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.runTime.average == null) { + expect(workerNode.usage.runTime.average).toBeUndefined() + } else { + 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, + stolen: 0, + failed: 0 + }, + runTime: expect.objectContaining({ + history: expect.any(CircularArray) + }), + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + if (workerNode.usage.runTime.aggregate == null) { + expect(workerNode.usage.runTime.aggregate).toBeUndefined() + } else { + expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) + } + if (workerNode.usage.runTime.median == null) { + expect(workerNode.usage.runTime.median).toBeUndefined() + } else { + 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.getWorkerChoiceStrategy() - .previousWorkerIndex + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeKey + ).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 + ).nextWorkerNodeKey ).toBe(0) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .currentWorkerIndex + 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 + ).nextWorkerNodeKey + ).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 + ).nextWorkerNodeKey ).toBe(0) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .defaultWorkerWeight + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight ).toBeGreaterThan(0) - for (const worker of pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workersTaskRunTime.keys()) { - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workersTaskRunTime.get(worker).weight - ).toBeGreaterThan(0) - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workersTaskRunTime.get(worker).runTime - ).toBe(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 WEIGHTED_ROUND_ROBIN strategy can be set after pool creation', async () => { - const pool = new FixedThreadPool( + 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' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) - expect(pool.opts.workerChoiceStrategy).toBe( - WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) + await pool.destroy() + pool = new DynamicThreadPool( + min, + max, + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) + expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ + dynamicWorkerUsage: false, + dynamicWorkerReady: true + }) // 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 () => { + 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' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(true) + 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' + './tests/worker-files/thread/testWorker.js', + { workerChoiceStrategy } ) - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .requiredStatistics.runTime - ).toBe(true) + 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 WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { + 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.WEIGHTED_ROUND_ROBIN } + { + workerChoiceStrategy: + WorkerChoiceStrategies.INTERLEAVED_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()) + // 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, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + } + 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 + ).nextWorkerNodeKey + ).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 WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { + 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.WEIGHTED_ROUND_ROBIN } + { + workerChoiceStrategy: + WorkerChoiceStrategies.INTERLEAVED_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()) + // 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: expect.any(Number), + executing: 0, + queued: 0, + maxQueued: 0, + stolen: 0, + failed: 0 + }, + runTime: { + history: expect.any(CircularArray) + }, + waitTime: { + history: expect.any(CircularArray) + }, + elu: { + idle: { + history: expect.any(CircularArray) + }, + active: { + history: expect.any(CircularArray) + } + } + }) + expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) + expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( + max * maxMultiplier + ) + } + 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 + ).nextWorkerNodeKey + ).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 WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { + 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.getWorkerChoiceStrategy() - .previousWorkerIndex - ).toBeUndefined() + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundId + ).toBeDefined() expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .currentWorkerIndex - ).toBeUndefined() + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeKey + ).toBeDefined() expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .defaultWorkerWeight - ).toBeUndefined() + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).defaultWorkerWeight + ).toBeDefined() expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workersTaskRunTime - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundWeights + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .previousWorkerIndex + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundId ).toBe(0) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .currentWorkerIndex + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeKey ).toBe(0) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .defaultWorkerWeight + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight ).toBeGreaterThan(0) - for (const worker of pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workersTaskRunTime.keys()) { - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workersTaskRunTime.get(worker).runTime - ).toBe(0) - } + expect( + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundWeights + ).toStrictEqual([ + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight + ]) await pool.destroy() pool = new DynamicThreadPool( min, @@ -553,48 +2038,50 @@ describe('Selection strategies test suite', () => { './tests/worker-files/thread/testWorker.js' ) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.previousWorkerIndex - ).toBeUndefined() + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundId + ).toBeDefined() expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.currentWorkerIndex - ).toBeUndefined() + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).nextWorkerNodeKey + ).toBeDefined() expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.defaultWorkerWeight - ).toBeUndefined() + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).defaultWorkerWeight + ).toBeDefined() expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.workersTaskRunTime - ).toBeUndefined() - pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + workerChoiceStrategy + ).roundWeights + ).toBeDefined() + pool.setWorkerChoiceStrategy(workerChoiceStrategy) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.previousWorkerIndex + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).nextWorkerNodeKey ).toBe(0) expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.currentWorkerIndex - ).toBe(0) - expect( - pool.workerChoiceStrategyContext.getWorkerChoiceStrategy() - .workerChoiceStrategy.defaultWorkerWeight + pool.workerChoiceStrategyContext.workerChoiceStrategies.get( + pool.workerChoiceStrategyContext.workerChoiceStrategy + ).defaultWorkerWeight ).toBeGreaterThan(0) - for (const worker of pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerChoiceStrategy.workersTaskRunTime.keys()) { - expect( - pool.workerChoiceStrategyContext - .getWorkerChoiceStrategy() - .workerChoiceStrategy.workersTaskRunTime.get(worker).runTime - ).toBe(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() }) - it('Verify unknown strategies throw error', () => { + it('Verify unknown strategy throw error', () => { expect( () => new DynamicThreadPool( @@ -603,8 +2090,6 @@ 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'") }) })