refactor: add PoolEvents/PoolEvent types
[poolifier.git] / tests / pools / abstract / abstract-pool.test.js
index 011456aea0aa23c4b8111ceb32230aa2a96ca558..658be6a9ef99ed63afb692ba864a4745ebf66f89 100644 (file)
@@ -1,8 +1,9 @@
 const { expect } = require('expect')
 const {
-  FixedClusterPool,
   DynamicThreadPool,
+  FixedClusterPool,
   FixedThreadPool,
+  PoolEvents,
   WorkerChoiceStrategies
 } = require('../../../lib/index')
 
@@ -13,8 +14,8 @@ describe('Abstract pool test suite', () => {
   )
   class StubPoolWithRemoveAllWorker extends FixedThreadPool {
     removeAllWorker () {
-      this.workers = new Map()
-      this.promiseMap.clear()
+      this.workers = []
+      this.promiseResponseMap.clear()
     }
   }
   class StubPoolWithIsMain extends FixedThreadPool {
@@ -98,7 +99,7 @@ describe('Abstract pool test suite', () => {
       numberOfWorkers,
       './tests/worker-files/thread/testWorker.js',
       {
-        workerChoiceStrategy: WorkerChoiceStrategies.LESS_RECENTLY_USED,
+        workerChoiceStrategy: WorkerChoiceStrategies.LESS_USED,
         enableEvents: false,
         messageHandler: testHandler,
         errorHandler: testHandler,
@@ -109,7 +110,7 @@ describe('Abstract pool test suite', () => {
     expect(pool.opts.enableEvents).toBe(false)
     expect(pool.emitter).toBeUndefined()
     expect(pool.opts.workerChoiceStrategy).toBe(
-      WorkerChoiceStrategies.LESS_RECENTLY_USED
+      WorkerChoiceStrategies.LESS_USED
     )
     expect(pool.opts.messageHandler).toStrictEqual(testHandler)
     expect(pool.opts.errorHandler).toStrictEqual(testHandler)
@@ -139,12 +140,13 @@ describe('Abstract pool test suite', () => {
       numberOfWorkers,
       './tests/worker-files/cluster/testWorker.js'
     )
-    for (const value of pool.workers.values()) {
-      expect(value.tasksUsage).toBeDefined()
-      expect(value.tasksUsage.run).toBe(0)
-      expect(value.tasksUsage.running).toBe(0)
-      expect(value.tasksUsage.runTime).toBe(0)
-      expect(value.tasksUsage.avgRunTime).toBe(0)
+    for (const workerItem of pool.workers) {
+      expect(workerItem.tasksUsage).toBeDefined()
+      expect(workerItem.tasksUsage.run).toBe(0)
+      expect(workerItem.tasksUsage.running).toBe(0)
+      expect(workerItem.tasksUsage.runTime).toBe(0)
+      expect(workerItem.tasksUsage.avgRunTime).toBe(0)
+      expect(workerItem.tasksUsage.error).toBe(0)
     }
     await pool.destroy()
   })
@@ -158,20 +160,22 @@ describe('Abstract pool test suite', () => {
     for (let i = 0; i < numberOfWorkers * 2; i++) {
       promises.push(pool.execute())
     }
-    for (const value of pool.workers.values()) {
-      expect(value.tasksUsage).toBeDefined()
-      expect(value.tasksUsage.run).toBe(0)
-      expect(value.tasksUsage.running).toBe(numberOfWorkers * 2)
-      expect(value.tasksUsage.runTime).toBe(0)
-      expect(value.tasksUsage.avgRunTime).toBe(0)
+    for (const workerItem of pool.workers) {
+      expect(workerItem.tasksUsage).toBeDefined()
+      expect(workerItem.tasksUsage.run).toBe(0)
+      expect(workerItem.tasksUsage.running).toBe(numberOfWorkers * 2)
+      expect(workerItem.tasksUsage.runTime).toBe(0)
+      expect(workerItem.tasksUsage.avgRunTime).toBe(0)
+      expect(workerItem.tasksUsage.error).toBe(0)
     }
     await Promise.all(promises)
-    for (const value of pool.workers.values()) {
-      expect(value.tasksUsage).toBeDefined()
-      expect(value.tasksUsage.run).toBe(numberOfWorkers * 2)
-      expect(value.tasksUsage.running).toBe(0)
-      expect(value.tasksUsage.runTime).toBeGreaterThanOrEqual(0)
-      expect(value.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+    for (const workerItem of pool.workers) {
+      expect(workerItem.tasksUsage).toBeDefined()
+      expect(workerItem.tasksUsage.run).toBe(numberOfWorkers * 2)
+      expect(workerItem.tasksUsage.running).toBe(0)
+      expect(workerItem.tasksUsage.runTime).toBeGreaterThanOrEqual(0)
+      expect(workerItem.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+      expect(workerItem.tasksUsage.error).toBe(0)
     }
     await pool.destroy()
   })
@@ -187,24 +191,45 @@ describe('Abstract pool test suite', () => {
       promises.push(pool.execute())
     }
     await Promise.all(promises)
-    for (const value of pool.workers.values()) {
-      expect(value.tasksUsage).toBeDefined()
-      expect(value.tasksUsage.run).toBe(numberOfWorkers * 2)
-      expect(value.tasksUsage.running).toBe(0)
-      expect(value.tasksUsage.runTime).toBeGreaterThanOrEqual(0)
-      expect(value.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+    for (const workerItem of pool.workers) {
+      expect(workerItem.tasksUsage).toBeDefined()
+      expect(workerItem.tasksUsage.run).toBe(numberOfWorkers * 2)
+      expect(workerItem.tasksUsage.running).toBe(0)
+      expect(workerItem.tasksUsage.runTime).toBeGreaterThanOrEqual(0)
+      expect(workerItem.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+      expect(workerItem.tasksUsage.error).toBe(0)
     }
     pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE)
-    for (const value of pool.workers.values()) {
-      expect(value.tasksUsage).toBeDefined()
-      expect(value.tasksUsage.run).toBe(0)
-      expect(value.tasksUsage.running).toBe(0)
-      expect(value.tasksUsage.runTime).toBe(0)
-      expect(value.tasksUsage.avgRunTime).toBe(0)
+    for (const workerItem of pool.workers) {
+      expect(workerItem.tasksUsage).toBeDefined()
+      expect(workerItem.tasksUsage.run).toBe(0)
+      expect(workerItem.tasksUsage.running).toBe(0)
+      expect(workerItem.tasksUsage.runTime).toBe(0)
+      expect(workerItem.tasksUsage.avgRunTime).toBe(0)
+      expect(workerItem.tasksUsage.error).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 = []
+    let poolFull = 0
+    pool.emitter.on(PoolEvents.full, () => ++poolFull)
+    for (let i = 0; i < numberOfWorkers * 2; i++) {
+      promises.push(pool.execute())
+    }
+    await Promise.all(promises)
+    // The `full` event is triggered when the number of submitted tasks at once reach the number of dynamic pool workers.
+    // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool.
+    expect(poolFull).toBe(numberOfWorkers + 1)
+    await pool.destroy()
+  })
+
   it("Verify that pool event emitter 'busy' event can register a callback", async () => {
     const pool = new FixedThreadPool(
       numberOfWorkers,
@@ -212,7 +237,7 @@ describe('Abstract pool test suite', () => {
     )
     const promises = []
     let poolBusy = 0
-    pool.emitter.on('busy', () => poolBusy++)
+    pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
     for (let i = 0; i < numberOfWorkers * 2; i++) {
       promises.push(pool.execute())
     }