fix: untangle tasks queuing condition from pool busyness

[poolifier.git] / tests / pools / cluster / fixed.test.js

diff --git a/tests/pools/cluster/fixed.test.js b/tests/pools/cluster/fixed.test.js
index bfc0a7246fa1d3a03d12786e52ff6504685bb024..0415d9c1eaa7a94cdc1f1260a9bac060c5703c04 100644 (file)
--- a/tests/pools/cluster/fixed.test.js
+++ b/tests/pools/cluster/fixed.test.js
@@ -1,10 +1,11 @@
 const { expect } = require('expect')
 const { FixedClusterPool, PoolEvents } = require('../../../lib')
 const { WorkerFunctions } = require('../../test-types')
-const { waitWorkerEvents } = require('../../test-utils')
+const { waitPoolEvents, waitWorkerEvents } = require('../../test-utils')
 
 describe('Fixed cluster pool test suite', () => {
   const numberOfWorkers = 6
+  const tasksConcurrency = 2
   const pool = new FixedClusterPool(
     numberOfWorkers,
     './tests/worker-files/cluster/testWorker.js',
@@ -18,7 +19,7 @@ describe('Fixed cluster pool test suite', () => {
     {
       enableTasksQueue: true,
       tasksQueueOptions: {
-        concurrency: 2
+        concurrency: tasksConcurrency
       },
       errorHandler: e => console.error(e)
     }
@@ -77,7 +78,7 @@ describe('Fixed cluster pool test suite', () => {
     expect(result).toStrictEqual({ ok: 1 })
   })
 
-  it.skip("Verify that 'ready' event is emitted", async () => {
+  it("Verify that 'ready' event is emitted", async () => {
     const pool1 = new FixedClusterPool(
       numberOfWorkers,
       './tests/worker-files/cluster/testWorker.js',
@@ -85,17 +86,13 @@ describe('Fixed cluster pool test suite', () => {
         errorHandler: e => console.error(e)
       }
     )
-    let poolInfo
     let poolReady = 0
-    pool1.emitter.on(PoolEvents.ready, info => {
-      ++poolReady
-      poolInfo = info
-    })
+    pool1.emitter.on(PoolEvents.ready, () => ++poolReady)
+    await waitPoolEvents(pool1, PoolEvents.ready, 1)
     expect(poolReady).toBe(1)
-    expect(poolInfo).toBeDefined()
   })
 
-  it("Verify that 'busy' event is emitted", async () => {
+  it("Verify that 'busy' event is emitted", () => {
     let poolBusy = 0
     pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
     for (let i = 0; i < numberOfWorkers * 2; i++) {
@@ -108,7 +105,7 @@ describe('Fixed cluster 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 < numberOfWorkers * maxMultiplier; i++) {
       promises.add(queuePool.execute())
     }
@@ -118,23 +115,32 @@ describe('Fixed cluster 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(numberOfWorkers)
+    expect(queuePool.info.executingTasks).toBe(
+      numberOfWorkers * queuePool.opts.tasksQueueOptions.concurrency
+    )
     expect(queuePool.info.queuedTasks).toBe(
-      numberOfWorkers * maxMultiplier - numberOfWorkers
+      numberOfWorkers *
+        (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
     )
     expect(queuePool.info.maxQueuedTasks).toBe(
-      numberOfWorkers * maxMultiplier - numberOfWorkers
+      numberOfWorkers *
+        (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
+      )
     }
   })