test: improve UTs
[poolifier.git] / tests / pools / cluster / fixed.test.js
index 900f0edc9d139a5289e4b54509f80629e60802dc..6edfcd67b8c53517b7f4d635b3738ca43131a76b 100644 (file)
@@ -2,9 +2,10 @@ const { expect } = require('expect')
 const { FixedClusterPool, PoolEvents } = require('../../../lib')
 const { TaskFunctions } = require('../../test-types')
 const { waitPoolEvents, waitWorkerEvents } = require('../../test-utils')
+const { DEFAULT_TASK_NAME } = require('../../../lib/utils')
 
 describe('Fixed cluster pool test suite', () => {
-  const numberOfWorkers = 6
+  const numberOfWorkers = 8
   const tasksConcurrency = 2
   const pool = new FixedClusterPool(
     numberOfWorkers,
@@ -79,7 +80,7 @@ describe('Fixed cluster pool test suite', () => {
   })
 
   it("Verify that 'ready' event is emitted", async () => {
-    const pool1 = new FixedClusterPool(
+    const pool = new FixedClusterPool(
       numberOfWorkers,
       './tests/worker-files/cluster/testWorker.js',
       {
@@ -87,9 +88,10 @@ describe('Fixed cluster pool test suite', () => {
       }
     )
     let poolReady = 0
-    pool1.emitter.on(PoolEvents.ready, () => ++poolReady)
-    await waitPoolEvents(pool1, PoolEvents.ready, 1)
+    pool.emitter.on(PoolEvents.ready, () => ++poolReady)
+    await waitPoolEvents(pool, PoolEvents.ready, 1)
     expect(poolReady).toBe(1)
+    await pool.destroy()
   })
 
   it("Verify that 'busy' event is emitted", async () => {
@@ -124,7 +126,9 @@ describe('Fixed cluster pool test suite', () => {
       expect(workerNode.usage.tasks.maxQueued).toBe(
         maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
       )
+      expect(workerNode.usage.tasks.stolen).toBe(0)
     }
+    expect(queuePool.info.executedTasks).toBe(0)
     expect(queuePool.info.executingTasks).toBe(
       numberOfWorkers * queuePool.opts.tasksQueueOptions.concurrency
     )
@@ -137,6 +141,7 @@ describe('Fixed cluster pool test suite', () => {
         (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
     )
     expect(queuePool.info.backPressure).toBe(false)
+    expect(queuePool.info.stolenTasks).toBe(0)
     await Promise.all(promises)
     for (const workerNode of queuePool.workerNodes) {
       expect(workerNode.usage.tasks.executing).toBeGreaterThanOrEqual(0)
@@ -148,7 +153,17 @@ describe('Fixed cluster pool test suite', () => {
       expect(workerNode.usage.tasks.maxQueued).toBe(
         maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
       )
+      expect(workerNode.usage.tasks.stolen).toBeGreaterThanOrEqual(0)
+      expect(workerNode.usage.tasks.stolen).toBeLessThanOrEqual(
+        numberOfWorkers * maxMultiplier
+      )
     }
+    expect(queuePool.info.executedTasks).toBe(numberOfWorkers * maxMultiplier)
+    expect(queuePool.info.backPressure).toBe(false)
+    expect(queuePool.info.stolenTasks).toBeGreaterThanOrEqual(0)
+    expect(queuePool.info.stolenTasks).toBeLessThanOrEqual(
+      numberOfWorkers * maxMultiplier
+    )
   })
 
   it('Verify that is possible to have a worker that return undefined', async () => {
@@ -178,7 +193,7 @@ describe('Fixed cluster pool test suite', () => {
     expect(typeof inError === 'string').toBe(true)
     expect(inError).toBe('Error Message from ClusterWorker')
     expect(taskError).toStrictEqual({
-      name: 'default',
+      name: DEFAULT_TASK_NAME,
       message: 'Error Message from ClusterWorker',
       data
     })
@@ -205,7 +220,7 @@ describe('Fixed cluster pool test suite', () => {
     expect(typeof inError === 'string').toBe(true)
     expect(inError).toBe('Error Message from ClusterWorker:async')
     expect(taskError).toStrictEqual({
-      name: 'default',
+      name: DEFAULT_TASK_NAME,
       message: 'Error Message from ClusterWorker:async',
       data
     })
@@ -231,42 +246,44 @@ describe('Fixed cluster pool test suite', () => {
     pool.emitter.on(PoolEvents.destroy, () => ++poolDestroy)
     await pool.destroy()
     const numberOfExitEvents = await exitPromise
+    expect(pool.started).toBe(false)
+    expect(pool.workerNodes.length).toBe(0)
     expect(numberOfExitEvents).toBe(numberOfWorkers)
     expect(poolDestroy).toBe(1)
   })
 
   it('Verify that cluster pool options are checked', async () => {
     const workerFilePath = './tests/worker-files/cluster/testWorker.js'
-    let pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath)
-    expect(pool1.opts.env).toBeUndefined()
-    expect(pool1.opts.settings).toBeUndefined()
-    await pool1.destroy()
-    pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath, {
+    let pool = new FixedClusterPool(numberOfWorkers, workerFilePath)
+    expect(pool.opts.env).toBeUndefined()
+    expect(pool.opts.settings).toBeUndefined()
+    await pool.destroy()
+    pool = new FixedClusterPool(numberOfWorkers, workerFilePath, {
       env: { TEST: 'test' },
       settings: { args: ['--use', 'http'], silent: true }
     })
-    expect(pool1.opts.env).toStrictEqual({ TEST: 'test' })
-    expect(pool1.opts.settings).toStrictEqual({
+    expect(pool.opts.env).toStrictEqual({ TEST: 'test' })
+    expect(pool.opts.settings).toStrictEqual({
       args: ['--use', 'http'],
       silent: true
     })
-    expect({ ...pool1.opts.settings, exec: workerFilePath }).toStrictEqual({
+    expect({ ...pool.opts.settings, exec: workerFilePath }).toStrictEqual({
       args: ['--use', 'http'],
       silent: true,
       exec: workerFilePath
     })
-    await pool1.destroy()
+    await pool.destroy()
   })
 
   it('Should work even without opts in input', async () => {
-    const pool1 = new FixedClusterPool(
+    const pool = new FixedClusterPool(
       numberOfWorkers,
       './tests/worker-files/cluster/testWorker.js'
     )
-    const res = await pool1.execute()
+    const res = await pool.execute()
     expect(res).toStrictEqual({ ok: 1 })
     // We need to clean up the resources after our test
-    await pool1.destroy()
+    await pool.destroy()
   })
 
   it('Verify that a pool with zero worker fails', async () => {