refactor: make TS example compatible with latest ES version
[poolifier.git] / tests / pools / thread / fixed.test.js
index a94745e397f42655378deebdb6c4245c5d6c3b45..f38a56c60a52e2e5c65909480e02c6e17707320a 100644 (file)
@@ -1,10 +1,11 @@
 const { expect } = require('expect')
 const { FixedThreadPool, PoolEvents } = require('../../../lib')
 const { WorkerFunctions } = require('../../test-types')
-const { waitWorkerEvents } = require('../../test-utils')
+const { waitPoolEvents, waitWorkerEvents } = require('../../test-utils')
 
 describe('Fixed thread pool test suite', () => {
   const numberOfThreads = 6
+  const tasksConcurrency = 2
   const pool = new FixedThreadPool(
     numberOfThreads,
     './tests/worker-files/thread/testWorker.js',
@@ -18,7 +19,7 @@ describe('Fixed thread pool test suite', () => {
     {
       enableTasksQueue: true,
       tasksQueueOptions: {
-        concurrency: 2
+        concurrency: tasksConcurrency
       },
       errorHandler: e => console.error(e)
     }
@@ -26,7 +27,7 @@ describe('Fixed thread pool test suite', () => {
   const emptyPool = new FixedThreadPool(
     numberOfThreads,
     './tests/worker-files/thread/emptyWorker.js',
-    { exitHandler: () => console.log('empty pool worker exited') }
+    { exitHandler: () => console.info('empty pool worker exited') }
   )
   const echoPool = new FixedThreadPool(
     numberOfThreads,
@@ -77,7 +78,21 @@ describe('Fixed thread pool test suite', () => {
     expect(result).toStrictEqual({ ok: 1 })
   })
 
-  it("Verify that 'busy' event is emitted", async () => {
+  it("Verify that 'ready' event is emitted", async () => {
+    const pool1 = new FixedThreadPool(
+      numberOfThreads,
+      './tests/worker-files/thread/testWorker.js',
+      {
+        errorHandler: e => console.error(e)
+      }
+    )
+    let poolReady = 0
+    pool1.emitter.on(PoolEvents.ready, () => ++poolReady)
+    await waitPoolEvents(pool1, 'ready', 1)
+    expect(poolReady).toBe(1)
+  })
+
+  it("Verify that 'busy' event is emitted", () => {
     let poolBusy = 0
     pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
     for (let i = 0; i < numberOfThreads * 2; i++) {
@@ -90,7 +105,7 @@ describe('Fixed thread pool test suite', () => {
 
   it('Verify that tasks queuing is working', async () => {
     const promises = new Set()
-    const maxMultiplier = 2
+    const maxMultiplier = 3 // Must be greater than tasksConcurrency
     for (let i = 0; i < numberOfThreads * maxMultiplier; i++) {
       promises.add(queuePool.execute())
     }
@@ -100,23 +115,32 @@ describe('Fixed thread pool test suite', () => {
         queuePool.opts.tasksQueueOptions.concurrency
       )
       expect(workerNode.usage.tasks.executed).toBe(0)
-      expect(workerNode.usage.tasks.queued).toBeGreaterThan(0)
-      expect(workerNode.usage.tasks.maxQueued).toBeGreaterThan(0)
+      expect(workerNode.usage.tasks.queued).toBe(
+        maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
+      )
+      expect(workerNode.usage.tasks.maxQueued).toBe(
+        maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
+      )
     }
-    expect(queuePool.info.executingTasks).toBe(numberOfThreads)
+    expect(queuePool.info.executingTasks).toBe(
+      numberOfThreads * queuePool.opts.tasksQueueOptions.concurrency
+    )
     expect(queuePool.info.queuedTasks).toBe(
-      numberOfThreads * maxMultiplier - numberOfThreads
+      numberOfThreads *
+        (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
     )
     expect(queuePool.info.maxQueuedTasks).toBe(
-      numberOfThreads * maxMultiplier - numberOfThreads
+      numberOfThreads *
+        (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
     )
     await Promise.all(promises)
     for (const workerNode of queuePool.workerNodes) {
       expect(workerNode.usage.tasks.executing).toBe(0)
-      expect(workerNode.usage.tasks.executed).toBeGreaterThan(0)
-      expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual(maxMultiplier)
+      expect(workerNode.usage.tasks.executed).toBe(maxMultiplier)
       expect(workerNode.usage.tasks.queued).toBe(0)
-      expect(workerNode.usage.tasks.maxQueued).toBe(1)
+      expect(workerNode.usage.tasks.maxQueued).toBe(
+        maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
+      )
     }
   })
 
@@ -149,7 +173,7 @@ describe('Fixed thread pool test suite', () => {
     expect(typeof inError.message === 'string').toBe(true)
     expect(inError.message).toBe('Error Message from ThreadWorker')
     expect(taskError).toStrictEqual({
-      workerId: expect.any(Number),
+      name: 'default',
       message: new Error('Error Message from ThreadWorker'),
       data
     })
@@ -178,7 +202,7 @@ describe('Fixed thread pool test suite', () => {
     expect(typeof inError.message === 'string').toBe(true)
     expect(inError.message).toBe('Error Message from ThreadWorker:async')
     expect(taskError).toStrictEqual({
-      workerId: expect.any(Number),
+      name: 'default',
       message: new Error('Error Message from ThreadWorker:async'),
       data
     })
@@ -237,6 +261,6 @@ describe('Fixed thread pool test suite', () => {
   it('Verify that a pool with zero worker fails', async () => {
     expect(
       () => new FixedThreadPool(0, './tests/worker-files/thread/testWorker.js')
-    ).toThrowError('Cannot instantiate a fixed pool with no worker')
+    ).toThrowError('Cannot instantiate a fixed pool with zero worker')
   })
 })