docs: add changelog entry
[poolifier.git] / tests / pools / abstract-pool.test.mjs
index 9c1e49a41e0bddb2298f1bcd9a5d038c8d46645c..0f61dbd87d5e2911f9e1a648023ec1d6dade5005 100644 (file)
@@ -2,6 +2,7 @@ import { EventEmitterAsyncResource } from 'node:events'
 import { dirname, join } from 'node:path'
 import { readFileSync } from 'node:fs'
 import { fileURLToPath } from 'node:url'
+import { createHook, executionAsyncId } from 'node:async_hooks'
 import { expect } from 'expect'
 import { restore, stub } from 'sinon'
 import {
@@ -77,7 +78,10 @@ describe('Abstract pool test suite', () => {
 
   it('Verify that filePath is checked', () => {
     expect(() => new FixedThreadPool(numberOfWorkers)).toThrow(
-      new Error("Cannot find the worker file 'undefined'")
+      new TypeError('The worker file path must be specified')
+    )
+    expect(() => new FixedThreadPool(numberOfWorkers, 0)).toThrow(
+      new TypeError('The worker file path must be a string')
     )
     expect(
       () => new FixedThreadPool(numberOfWorkers, './dummyWorker.ts')
@@ -260,7 +264,8 @@ describe('Abstract pool test suite', () => {
         concurrency: 2,
         size: Math.pow(numberOfWorkers, 2),
         taskStealing: true,
-        tasksStealingOnBackPressure: true
+        tasksStealingOnBackPressure: true,
+        tasksFinishedTimeout: 2000
       },
       workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED,
       workerChoiceStrategyOptions: {
@@ -650,7 +655,8 @@ describe('Abstract pool test suite', () => {
       concurrency: 1,
       size: Math.pow(numberOfWorkers, 2),
       taskStealing: true,
-      tasksStealingOnBackPressure: true
+      tasksStealingOnBackPressure: true,
+      tasksFinishedTimeout: 2000
     })
     pool.enableTasksQueue(true, { concurrency: 2 })
     expect(pool.opts.enableTasksQueue).toBe(true)
@@ -658,7 +664,8 @@ describe('Abstract pool test suite', () => {
       concurrency: 2,
       size: Math.pow(numberOfWorkers, 2),
       taskStealing: true,
-      tasksStealingOnBackPressure: true
+      tasksStealingOnBackPressure: true,
+      tasksFinishedTimeout: 2000
     })
     pool.enableTasksQueue(false)
     expect(pool.opts.enableTasksQueue).toBe(false)
@@ -676,7 +683,8 @@ describe('Abstract pool test suite', () => {
       concurrency: 1,
       size: Math.pow(numberOfWorkers, 2),
       taskStealing: true,
-      tasksStealingOnBackPressure: true
+      tasksStealingOnBackPressure: true,
+      tasksFinishedTimeout: 2000
     })
     for (const workerNode of pool.workerNodes) {
       expect(workerNode.tasksQueueBackPressureSize).toBe(
@@ -687,13 +695,15 @@ describe('Abstract pool test suite', () => {
       concurrency: 2,
       size: 2,
       taskStealing: false,
-      tasksStealingOnBackPressure: false
+      tasksStealingOnBackPressure: false,
+      tasksFinishedTimeout: 3000
     })
     expect(pool.opts.tasksQueueOptions).toStrictEqual({
       concurrency: 2,
       size: 2,
       taskStealing: false,
-      tasksStealingOnBackPressure: false
+      tasksStealingOnBackPressure: false,
+      tasksFinishedTimeout: 3000
     })
     for (const workerNode of pool.workerNodes) {
       expect(workerNode.tasksQueueBackPressureSize).toBe(
@@ -709,7 +719,8 @@ describe('Abstract pool test suite', () => {
       concurrency: 1,
       size: Math.pow(numberOfWorkers, 2),
       taskStealing: true,
-      tasksStealingOnBackPressure: true
+      tasksStealingOnBackPressure: true,
+      tasksFinishedTimeout: 2000
     })
     for (const workerNode of pool.workerNodes) {
       expect(workerNode.tasksQueueBackPressureSize).toBe(
@@ -1263,7 +1274,101 @@ describe('Abstract pool test suite', () => {
       stolenTasks: expect.any(Number),
       failedTasks: expect.any(Number)
     })
-    expect(pool.hasBackPressure.called).toBe(true)
+    expect(pool.hasBackPressure.callCount).toBe(5)
+    await pool.destroy()
+  })
+
+  it('Verify that destroy() waits for queued tasks to finish', async () => {
+    const tasksFinishedTimeout = 2500
+    const pool = new FixedThreadPool(
+      numberOfWorkers,
+      './tests/worker-files/thread/asyncWorker.mjs',
+      {
+        enableTasksQueue: true,
+        tasksQueueOptions: { tasksFinishedTimeout }
+      }
+    )
+    const maxMultiplier = 4
+    let tasksFinished = 0
+    for (const workerNode of pool.workerNodes) {
+      workerNode.on('taskFinished', () => {
+        ++tasksFinished
+      })
+    }
+    for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) {
+      pool.execute()
+    }
+    expect(pool.info.queuedTasks).toBeGreaterThan(0)
+    const startTime = performance.now()
+    await pool.destroy()
+    const elapsedTime = performance.now() - startTime
+    expect(tasksFinished).toBe(numberOfWorkers * maxMultiplier)
+    expect(elapsedTime).toBeGreaterThanOrEqual(2000)
+    expect(elapsedTime).toBeLessThanOrEqual(tasksFinishedTimeout + 100)
+  })
+
+  it('Verify that destroy() waits until the tasks finished timeout is reached', async () => {
+    const tasksFinishedTimeout = 1000
+    const pool = new FixedThreadPool(
+      numberOfWorkers,
+      './tests/worker-files/thread/asyncWorker.mjs',
+      {
+        enableTasksQueue: true,
+        tasksQueueOptions: { tasksFinishedTimeout }
+      }
+    )
+    const maxMultiplier = 4
+    let tasksFinished = 0
+    for (const workerNode of pool.workerNodes) {
+      workerNode.on('taskFinished', () => {
+        ++tasksFinished
+      })
+    }
+    for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) {
+      pool.execute()
+    }
+    expect(pool.info.queuedTasks).toBeGreaterThan(0)
+    const startTime = performance.now()
+    await pool.destroy()
+    const elapsedTime = performance.now() - startTime
+    expect(tasksFinished).toBe(0)
+    expect(elapsedTime).toBeLessThanOrEqual(tasksFinishedTimeout + 300)
+  })
+
+  it('Verify that pool asynchronous resource track tasks execution', async () => {
+    let taskAsyncId
+    let initCalls = 0
+    let beforeCalls = 0
+    let afterCalls = 0
+    let resolveCalls = 0
+    const hook = createHook({
+      init (asyncId, type) {
+        if (type === 'poolifier:task') {
+          initCalls++
+          taskAsyncId = asyncId
+        }
+      },
+      before (asyncId) {
+        if (asyncId === taskAsyncId) beforeCalls++
+      },
+      after (asyncId) {
+        if (asyncId === taskAsyncId) afterCalls++
+      },
+      promiseResolve () {
+        if (executionAsyncId() === taskAsyncId) resolveCalls++
+      }
+    })
+    const pool = new FixedThreadPool(
+      numberOfWorkers,
+      './tests/worker-files/thread/testWorker.mjs'
+    )
+    hook.enable()
+    await pool.execute()
+    hook.disable()
+    expect(initCalls).toBe(1)
+    expect(beforeCalls).toBe(1)
+    expect(afterCalls).toBe(1)
+    expect(resolveCalls).toBe(1)
     await pool.destroy()
   })
 
@@ -1565,6 +1670,11 @@ describe('Abstract pool test suite', () => {
     await expect(
       pool.sendKillMessageToWorker(workerNodeKey)
     ).resolves.toBeUndefined()
+    await expect(
+      pool.sendKillMessageToWorker(numberOfWorkers)
+    ).rejects.toStrictEqual(
+      new Error(`Invalid worker node key '${numberOfWorkers}'`)
+    )
     await pool.destroy()
   })