X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=tests%2Fpools%2Fabstract%2Fabstract-pool.test.js;h=dbda7af72301be5e29ecc1125a691839ada6f85f;hb=d46660cd0cccf38566337876c3fad0c3795aeb94;hp=1e337ff9f4a3a3cd18800434d65965679c7d6535;hpb=ff07812554946161cb770d3c42a03b77be0804c2;p=poolifier.git

diff --git a/tests/pools/abstract/abstract-pool.test.js b/tests/pools/abstract/abstract-pool.test.js
index 1e337ff9..dbda7af7 100644
--- a/tests/pools/abstract/abstract-pool.test.js
+++ b/tests/pools/abstract/abstract-pool.test.js
@@ -1,36 +1,42 @@
 const { expect } = require('expect')
 const {
+  DynamicClusterPool,
+  DynamicThreadPool,
   FixedClusterPool,
   FixedThreadPool,
-  WorkerChoiceStrategies
-} = require('../../../lib/index')
-const numberOfWorkers = 1
-const workerNotFoundInTasksUsageMapError = new Error(
-  'Worker could not be found in worker tasks usage map'
-)
-class StubPoolWithWorkerTasksUsageMapClear extends FixedThreadPool {
-  removeAllWorker () {
-    this.workersTasksUsage.clear()
+  PoolEvents,
+  WorkerChoiceStrategies,
+  PoolTypes,
+  WorkerTypes
+} = require('../../../lib')
+const { CircularArray } = require('../../../lib/circular-array')
+const { Queue } = require('../../../lib/queue')
+
+describe('Abstract pool test suite', () => {
+  const numberOfWorkers = 2
+  class StubPoolWithRemoveAllWorker extends FixedThreadPool {
+    removeAllWorker () {
+      this.workerNodes = []
+      this.promiseResponseMap.clear()
+    }
   }
-}
-class StubPoolWithIsMainMethod extends FixedThreadPool {
-  isMain () {
-    return false
+  class StubPoolWithIsMain extends FixedThreadPool {
+    isMain () {
+      return false
+    }
   }
-}
 
-describe('Abstract pool test suite', () => {
   it('Simulate pool creation from a non main thread/process', () => {
     expect(
       () =>
-        new StubPoolWithIsMainMethod(
+        new StubPoolWithIsMain(
           numberOfWorkers,
           './tests/worker-files/thread/testWorker.js',
           {
             errorHandler: e => console.error(e)
           }
         )
-    ).toThrowError(new Error('Cannot start a pool from a worker!'))
+    ).toThrowError('Cannot start a pool from a worker!')
   })
 
   it('Verify that filePath is checked', () => {
@@ -47,9 +53,7 @@ describe('Abstract pool test suite', () => {
 
   it('Verify that numberOfWorkers is checked', () => {
     expect(() => new FixedThreadPool()).toThrowError(
-      new Error(
-        'Cannot instantiate a pool without specifying the number of workers'
-      )
+      'Cannot instantiate a pool without specifying the number of workers'
     )
   })
 
@@ -58,7 +62,9 @@ describe('Abstract pool test suite', () => {
       () =>
         new FixedClusterPool(-1, './tests/worker-files/cluster/testWorker.js')
     ).toThrowError(
-      new Error('Cannot instantiate a pool with a negative number of workers')
+      new RangeError(
+        'Cannot instantiate a pool with a negative number of workers'
+      )
     )
   })
 
@@ -67,126 +73,294 @@ describe('Abstract pool test suite', () => {
       () =>
         new FixedThreadPool(0.25, './tests/worker-files/thread/testWorker.js')
     ).toThrowError(
-      new Error(
-        'Cannot instantiate a pool with a non integer number of workers'
+      new TypeError(
+        'Cannot instantiate a pool with a non safe integer number of workers'
       )
     )
   })
 
-  it('Verify that pool options are checked', () => {
+  it('Verify that pool options are checked', async () => {
     let pool = new FixedThreadPool(
       numberOfWorkers,
       './tests/worker-files/thread/testWorker.js'
     )
-    expect(pool.opts.enableEvents).toBe(true)
     expect(pool.emitter).toBeDefined()
+    expect(pool.opts.enableEvents).toBe(true)
+    expect(pool.opts.restartWorkerOnError).toBe(true)
+    expect(pool.opts.enableTasksQueue).toBe(false)
+    expect(pool.opts.tasksQueueOptions).toBeUndefined()
     expect(pool.opts.workerChoiceStrategy).toBe(
       WorkerChoiceStrategies.ROUND_ROBIN
     )
+    expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+      medRunTime: false,
+      medWaitTime: false
+    })
     expect(pool.opts.messageHandler).toBeUndefined()
     expect(pool.opts.errorHandler).toBeUndefined()
     expect(pool.opts.onlineHandler).toBeUndefined()
     expect(pool.opts.exitHandler).toBeUndefined()
-    pool.destroy()
+    await pool.destroy()
     const testHandler = () => console.log('test handler executed')
     pool = new FixedThreadPool(
       numberOfWorkers,
       './tests/worker-files/thread/testWorker.js',
       {
-        workerChoiceStrategy: WorkerChoiceStrategies.LESS_RECENTLY_USED,
+        workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED,
+        workerChoiceStrategyOptions: {
+          medRunTime: true,
+          weights: { 0: 300, 1: 200 }
+        },
         enableEvents: false,
+        restartWorkerOnError: false,
+        enableTasksQueue: true,
+        tasksQueueOptions: { concurrency: 2 },
         messageHandler: testHandler,
         errorHandler: testHandler,
         onlineHandler: testHandler,
         exitHandler: testHandler
       }
     )
-    expect(pool.opts.enableEvents).toBe(false)
     expect(pool.emitter).toBeUndefined()
+    expect(pool.opts.enableEvents).toBe(false)
+    expect(pool.opts.restartWorkerOnError).toBe(false)
+    expect(pool.opts.enableTasksQueue).toBe(true)
+    expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 2 })
     expect(pool.opts.workerChoiceStrategy).toBe(
-      WorkerChoiceStrategies.LESS_RECENTLY_USED
+      WorkerChoiceStrategies.LEAST_USED
     )
+    expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+      medRunTime: true,
+      weights: { 0: 300, 1: 200 }
+    })
     expect(pool.opts.messageHandler).toStrictEqual(testHandler)
     expect(pool.opts.errorHandler).toStrictEqual(testHandler)
     expect(pool.opts.onlineHandler).toStrictEqual(testHandler)
     expect(pool.opts.exitHandler).toStrictEqual(testHandler)
-    pool.destroy()
+    await pool.destroy()
   })
 
-  it('Simulate worker not found during increaseWorkerRunningTasks', () => {
-    const pool = new StubPoolWithWorkerTasksUsageMapClear(
+  it('Verify that pool options are validated', async () => {
+    expect(
+      () =>
+        new FixedThreadPool(
+          numberOfWorkers,
+          './tests/worker-files/thread/testWorker.js',
+          {
+            enableTasksQueue: true,
+            tasksQueueOptions: { concurrency: 0 }
+          }
+        )
+    ).toThrowError("Invalid worker tasks concurrency '0'")
+    expect(
+      () =>
+        new FixedThreadPool(
+          numberOfWorkers,
+          './tests/worker-files/thread/testWorker.js',
+          {
+            workerChoiceStrategy: 'invalidStrategy'
+          }
+        )
+    ).toThrowError("Invalid worker choice strategy 'invalidStrategy'")
+    expect(
+      () =>
+        new FixedThreadPool(
+          numberOfWorkers,
+          './tests/worker-files/thread/testWorker.js',
+          {
+            workerChoiceStrategyOptions: { weights: {} }
+          }
+        )
+    ).toThrowError(
+      'Invalid worker choice strategy options: must have a weight for each worker node'
+    )
+  })
+
+  it('Verify that worker choice strategy options can be set', async () => {
+    const pool = new FixedThreadPool(
       numberOfWorkers,
-      './tests/worker-files/cluster/testWorker.js'
+      './tests/worker-files/thread/testWorker.js',
+      { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE }
     )
-    // Simulate worker not found.
-    pool.removeAllWorker()
-    expect(() => pool.increaseWorkerRunningTasks()).toThrowError(
-      workerNotFoundInTasksUsageMapError
+    expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+      medRunTime: false,
+      medWaitTime: false
+    })
+    for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
+      .workerChoiceStrategies) {
+      expect(workerChoiceStrategy.opts).toStrictEqual({
+        medRunTime: false,
+        medWaitTime: false
+      })
+    }
+    expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({
+      runTime: true,
+      avgRunTime: true,
+      medRunTime: false,
+      waitTime: false,
+      avgWaitTime: false,
+      medWaitTime: false,
+      elu: false
+    })
+    pool.setWorkerChoiceStrategyOptions({ medRunTime: true })
+    expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+      medRunTime: true
+    })
+    for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
+      .workerChoiceStrategies) {
+      expect(workerChoiceStrategy.opts).toStrictEqual({ medRunTime: true })
+    }
+    expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({
+      runTime: true,
+      avgRunTime: false,
+      medRunTime: true,
+      waitTime: false,
+      avgWaitTime: false,
+      medWaitTime: false,
+      elu: false
+    })
+    pool.setWorkerChoiceStrategyOptions({ medRunTime: false })
+    expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+      medRunTime: false
+    })
+    for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext
+      .workerChoiceStrategies) {
+      expect(workerChoiceStrategy.opts).toStrictEqual({ medRunTime: false })
+    }
+    expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({
+      runTime: true,
+      avgRunTime: true,
+      medRunTime: false,
+      waitTime: false,
+      avgWaitTime: false,
+      medWaitTime: false,
+      elu: false
+    })
+    await pool.destroy()
+  })
+
+  it('Verify that tasks queue can be enabled/disabled', async () => {
+    const pool = new FixedThreadPool(
+      numberOfWorkers,
+      './tests/worker-files/thread/testWorker.js'
     )
-    pool.destroy()
+    expect(pool.opts.enableTasksQueue).toBe(false)
+    expect(pool.opts.tasksQueueOptions).toBeUndefined()
+    pool.enableTasksQueue(true)
+    expect(pool.opts.enableTasksQueue).toBe(true)
+    expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 1 })
+    pool.enableTasksQueue(true, { concurrency: 2 })
+    expect(pool.opts.enableTasksQueue).toBe(true)
+    expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 2 })
+    pool.enableTasksQueue(false)
+    expect(pool.opts.enableTasksQueue).toBe(false)
+    expect(pool.opts.tasksQueueOptions).toBeUndefined()
+    await pool.destroy()
   })
 
-  it('Simulate worker not found during decreaseWorkerRunningTasks', () => {
-    const pool = new StubPoolWithWorkerTasksUsageMapClear(
+  it('Verify that tasks queue options can be set', async () => {
+    const pool = new FixedThreadPool(
       numberOfWorkers,
-      './tests/worker-files/cluster/testWorker.js',
-      {
-        errorHandler: e => console.error(e)
-      }
+      './tests/worker-files/thread/testWorker.js',
+      { enableTasksQueue: true }
     )
-    // Simulate worker not found.
-    pool.removeAllWorker()
-    expect(() => pool.decreaseWorkerRunningTasks()).toThrowError(
-      workerNotFoundInTasksUsageMapError
+    expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 1 })
+    pool.setTasksQueueOptions({ concurrency: 2 })
+    expect(pool.opts.tasksQueueOptions).toStrictEqual({ concurrency: 2 })
+    expect(() => pool.setTasksQueueOptions({ concurrency: 0 })).toThrowError(
+      "Invalid worker tasks concurrency '0'"
     )
-    pool.destroy()
+    await pool.destroy()
   })
 
-  it('Simulate worker not found during stepWorkerRunTasks', () => {
-    const pool = new StubPoolWithWorkerTasksUsageMapClear(
+  it('Verify that pool info is set', async () => {
+    let pool = new FixedThreadPool(
       numberOfWorkers,
-      './tests/worker-files/cluster/testWorker.js',
-      {
-        errorHandler: e => console.error(e)
-      }
+      './tests/worker-files/thread/testWorker.js'
     )
-    // Simulate worker not found.
-    pool.removeAllWorker()
-    expect(() => pool.stepWorkerRunTasks()).toThrowError(
-      workerNotFoundInTasksUsageMapError
+    expect(pool.info).toStrictEqual({
+      type: PoolTypes.fixed,
+      worker: WorkerTypes.thread,
+      minSize: numberOfWorkers,
+      maxSize: numberOfWorkers,
+      workerNodes: numberOfWorkers,
+      idleWorkerNodes: numberOfWorkers,
+      busyWorkerNodes: 0,
+      runningTasks: 0,
+      queuedTasks: 0,
+      maxQueuedTasks: 0
+    })
+    await pool.destroy()
+    pool = new DynamicClusterPool(
+      numberOfWorkers,
+      numberOfWorkers * 2,
+      './tests/worker-files/thread/testWorker.js'
     )
-    pool.destroy()
+    expect(pool.info).toStrictEqual({
+      type: PoolTypes.dynamic,
+      worker: WorkerTypes.cluster,
+      minSize: numberOfWorkers,
+      maxSize: numberOfWorkers * 2,
+      workerNodes: numberOfWorkers,
+      idleWorkerNodes: numberOfWorkers,
+      busyWorkerNodes: 0,
+      runningTasks: 0,
+      queuedTasks: 0,
+      maxQueuedTasks: 0
+    })
+    await pool.destroy()
   })
 
-  it('Simulate worker not found during updateWorkerTasksRunTime', () => {
-    const pool = new StubPoolWithWorkerTasksUsageMapClear(
+  it('Simulate worker not found', async () => {
+    const pool = new StubPoolWithRemoveAllWorker(
       numberOfWorkers,
       './tests/worker-files/cluster/testWorker.js',
       {
         errorHandler: e => console.error(e)
       }
     )
+    expect(pool.workerNodes.length).toBe(numberOfWorkers)
     // Simulate worker not found.
     pool.removeAllWorker()
-    expect(() => pool.updateWorkerTasksRunTime()).toThrowError(
-      workerNotFoundInTasksUsageMapError
+    expect(pool.workerNodes.length).toBe(0)
+    await pool.destroy()
+  })
+
+  it('Verify that worker pool tasks usage are initialized', async () => {
+    const pool = new FixedClusterPool(
+      numberOfWorkers,
+      './tests/worker-files/cluster/testWorker.js'
     )
-    pool.destroy()
+    for (const workerNode of pool.workerNodes) {
+      expect(workerNode.tasksUsage).toStrictEqual({
+        ran: 0,
+        running: 0,
+        runTime: 0,
+        runTimeHistory: expect.any(CircularArray),
+        avgRunTime: 0,
+        medRunTime: 0,
+        waitTime: 0,
+        waitTimeHistory: expect.any(CircularArray),
+        avgWaitTime: 0,
+        medWaitTime: 0,
+        error: 0,
+        elu: undefined
+      })
+    }
+    await pool.destroy()
   })
 
-  it('Verify that worker pool tasks usage are initialized', () => {
+  it('Verify that worker pool tasks queue are initialized', async () => {
     const pool = new FixedClusterPool(
       numberOfWorkers,
       './tests/worker-files/cluster/testWorker.js'
     )
-    for (const tasksUsage of pool.workersTasksUsage.values()) {
-      expect(tasksUsage).toBeDefined()
-      expect(tasksUsage.run).toBe(0)
-      expect(tasksUsage.running).toBe(0)
-      expect(tasksUsage.runTime).toBe(0)
-      expect(tasksUsage.avgRunTime).toBe(0)
+    for (const workerNode of pool.workerNodes) {
+      expect(workerNode.tasksQueue).toBeDefined()
+      expect(workerNode.tasksQueue).toBeInstanceOf(Queue)
+      expect(workerNode.tasksQueue.size).toBe(0)
     }
-    pool.destroy()
+    await pool.destroy()
   })
 
   it('Verify that worker pool tasks usage are computed', async () => {
@@ -194,26 +368,132 @@ describe('Abstract pool test suite', () => {
       numberOfWorkers,
       './tests/worker-files/cluster/testWorker.js'
     )
-    const promises = []
-    for (let i = 0; i < numberOfWorkers * 2; i++) {
-      promises.push(pool.execute({ test: 'test' }))
+    const promises = new Set()
+    const maxMultiplier = 2
+    for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) {
+      promises.add(pool.execute())
+    }
+    for (const workerNode of pool.workerNodes) {
+      expect(workerNode.tasksUsage).toStrictEqual({
+        ran: 0,
+        running: maxMultiplier,
+        runTime: 0,
+        runTimeHistory: expect.any(CircularArray),
+        avgRunTime: 0,
+        medRunTime: 0,
+        waitTime: 0,
+        waitTimeHistory: expect.any(CircularArray),
+        avgWaitTime: 0,
+        medWaitTime: 0,
+        error: 0,
+        elu: undefined
+      })
+    }
+    await Promise.all(promises)
+    for (const workerNode of pool.workerNodes) {
+      expect(workerNode.tasksUsage).toStrictEqual({
+        ran: maxMultiplier,
+        running: 0,
+        runTime: 0,
+        runTimeHistory: expect.any(CircularArray),
+        avgRunTime: 0,
+        medRunTime: 0,
+        waitTime: 0,
+        waitTimeHistory: expect.any(CircularArray),
+        avgWaitTime: 0,
+        medWaitTime: 0,
+        error: 0,
+        elu: undefined
+      })
     }
-    for (const tasksUsage of pool.workersTasksUsage.values()) {
-      expect(tasksUsage).toBeDefined()
-      expect(tasksUsage.run).toBe(0)
-      expect(tasksUsage.running).toBe(numberOfWorkers * 2)
-      expect(tasksUsage.runTime).toBe(0)
-      expect(tasksUsage.avgRunTime).toBe(0)
+    await pool.destroy()
+  })
+
+  it('Verify that worker pool tasks usage are reset at worker choice strategy change', async () => {
+    const pool = new DynamicThreadPool(
+      numberOfWorkers,
+      numberOfWorkers,
+      './tests/worker-files/thread/testWorker.js'
+    )
+    const promises = new Set()
+    const maxMultiplier = 2
+    for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) {
+      promises.add(pool.execute())
     }
     await Promise.all(promises)
-    for (const tasksUsage of pool.workersTasksUsage.values()) {
-      expect(tasksUsage).toBeDefined()
-      expect(tasksUsage.run).toBe(numberOfWorkers * 2)
-      expect(tasksUsage.running).toBe(0)
-      expect(tasksUsage.runTime).toBeGreaterThanOrEqual(0)
-      expect(tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+    for (const workerNode of pool.workerNodes) {
+      expect(workerNode.tasksUsage).toStrictEqual({
+        ran: expect.any(Number),
+        running: 0,
+        runTime: 0,
+        runTimeHistory: expect.any(CircularArray),
+        avgRunTime: 0,
+        medRunTime: 0,
+        waitTime: 0,
+        waitTimeHistory: expect.any(CircularArray),
+        avgWaitTime: 0,
+        medWaitTime: 0,
+        error: 0,
+        elu: undefined
+      })
+      expect(workerNode.tasksUsage.ran).toBeGreaterThan(0)
+      expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(maxMultiplier)
+    }
+    pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE)
+    for (const workerNode of pool.workerNodes) {
+      expect(workerNode.tasksUsage).toStrictEqual({
+        ran: 0,
+        running: 0,
+        runTime: 0,
+        runTimeHistory: expect.any(CircularArray),
+        avgRunTime: 0,
+        medRunTime: 0,
+        waitTime: 0,
+        waitTimeHistory: expect.any(CircularArray),
+        avgWaitTime: 0,
+        medWaitTime: 0,
+        error: 0,
+        elu: undefined
+      })
+      expect(workerNode.tasksUsage.runTimeHistory.length).toBe(0)
+      expect(workerNode.tasksUsage.waitTimeHistory.length).toBe(0)
+    }
+    await pool.destroy()
+  })
+
+  it("Verify that pool event emitter 'full' event can register a callback", async () => {
+    const pool = new DynamicThreadPool(
+      numberOfWorkers,
+      numberOfWorkers,
+      './tests/worker-files/thread/testWorker.js'
+    )
+    const promises = new Set()
+    let poolFull = 0
+    let poolInfo
+    pool.emitter.on(PoolEvents.full, info => {
+      ++poolFull
+      poolInfo = info
+    })
+    for (let i = 0; i < numberOfWorkers * 2; i++) {
+      promises.add(pool.execute())
     }
-    pool.destroy()
+    await Promise.all(promises)
+    // The `full` event is triggered when the number of submitted tasks at once reach the max number of workers in the dynamic pool.
+    // So in total numberOfWorkers * 2 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool with min = max = numberOfWorkers.
+    expect(poolFull).toBe(numberOfWorkers * 2)
+    expect(poolInfo).toStrictEqual({
+      type: PoolTypes.dynamic,
+      worker: WorkerTypes.thread,
+      minSize: expect.any(Number),
+      maxSize: expect.any(Number),
+      workerNodes: expect.any(Number),
+      idleWorkerNodes: expect.any(Number),
+      busyWorkerNodes: expect.any(Number),
+      runningTasks: expect.any(Number),
+      queuedTasks: expect.any(Number),
+      maxQueuedTasks: expect.any(Number)
+    })
+    await pool.destroy()
   })
 
   it("Verify that pool event emitter 'busy' event can register a callback", async () => {
@@ -221,16 +501,49 @@ describe('Abstract pool test suite', () => {
       numberOfWorkers,
       './tests/worker-files/thread/testWorker.js'
     )
-    const promises = []
+    const promises = new Set()
     let poolBusy = 0
-    pool.emitter.on('busy', () => poolBusy++)
+    let poolInfo
+    pool.emitter.on(PoolEvents.busy, info => {
+      ++poolBusy
+      poolInfo = info
+    })
     for (let i = 0; i < numberOfWorkers * 2; i++) {
-      promises.push(pool.execute({ test: 'test' }))
+      promises.add(pool.execute())
     }
     await Promise.all(promises)
     // The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers.
     // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the fixed pool.
     expect(poolBusy).toBe(numberOfWorkers + 1)
-    pool.destroy()
+    expect(poolInfo).toStrictEqual({
+      type: PoolTypes.fixed,
+      worker: WorkerTypes.thread,
+      minSize: expect.any(Number),
+      maxSize: expect.any(Number),
+      workerNodes: expect.any(Number),
+      idleWorkerNodes: expect.any(Number),
+      busyWorkerNodes: expect.any(Number),
+      runningTasks: expect.any(Number),
+      queuedTasks: expect.any(Number),
+      maxQueuedTasks: expect.any(Number)
+    })
+    await pool.destroy()
+  })
+
+  it('Verify that multiple tasks worker is working', async () => {
+    const pool = new DynamicClusterPool(
+      numberOfWorkers,
+      numberOfWorkers * 2,
+      './tests/worker-files/cluster/testMultiTasksWorker.js'
+    )
+    const data = { n: 10 }
+    const result0 = await pool.execute(data)
+    expect(result0).toBe(false)
+    const result1 = await pool.execute(data, 'jsonIntegerSerialization')
+    expect(result1).toBe(false)
+    const result2 = await pool.execute(data, 'factorial')
+    expect(result2).toBe(3628800)
+    const result3 = await pool.execute(data, 'fibonacci')
+    expect(result3).toBe(89)
   })
 })