test: improve worker choice strategies testing

[poolifier.git] / tests / pools / thread / dynamic.test.js

diff --git a/tests/pools/thread/dynamic.test.js b/tests/pools/thread/dynamic.test.js
index d8c68e90c51100886bc8fe83ebfba8ec2ef094f1..1f2a646355b04ba8b10908edd1bda43c817c43f9 100644 (file)
--- a/tests/pools/thread/dynamic.test.js
+++ b/tests/pools/thread/dynamic.test.js
@@ -1,5 +1,5 @@
 const { expect } = require('expect')
-const { DynamicThreadPool } = require('../../../lib/index')
+const { DynamicThreadPool, PoolEvents } = require('../../../lib')
 const { WorkerFunctions } = require('../../test-types')
 const TestUtils = require('../../test-utils')
 
@@ -19,21 +19,21 @@ describe('Dynamic thread pool test suite', () => {
     let result = await pool.execute({
       function: WorkerFunctions.fibonacci
     })
-    expect(result).toBe(false)
+    expect(result).toBe(121393)
     result = await pool.execute({
       function: WorkerFunctions.factorial
     })
-    expect(result).toBe(false)
+    expect(result).toBe(9.33262154439441e157)
   })
 
   it('Verify that new workers are created when required, max size is not exceeded and that after a while new workers will die', async () => {
     let poolBusy = 0
-    pool.emitter.on('busy', () => ++poolBusy)
+    pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
     for (let i = 0; i < max * 2; i++) {
       pool.execute()
     }
-    expect(pool.workers.length).toBeLessThanOrEqual(max)
-    expect(pool.workers.length).toBeGreaterThan(min)
+    expect(pool.workerNodes.length).toBeLessThanOrEqual(max)
+    expect(pool.workerNodes.length).toBeGreaterThan(min)
     // The `busy` event is triggered when the number of submitted tasks at once reach the max number of workers in the dynamic pool.
     // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool.
     expect(poolBusy).toBe(max + 1)
@@ -42,19 +42,19 @@ describe('Dynamic thread pool test suite', () => {
   })
 
   it('Verify scale thread up and down is working', async () => {
-    expect(pool.workers.length).toBe(min)
-    for (let i = 0; i < max * 10; i++) {
+    expect(pool.workerNodes.length).toBe(min)
+    for (let i = 0; i < max * 2; i++) {
       pool.execute()
     }
-    expect(pool.workers.length).toBe(max)
+    expect(pool.workerNodes.length).toBe(max)
     await TestUtils.waitExits(pool, max - min)
-    expect(pool.workers.length).toBe(min)
-    for (let i = 0; i < max * 10; i++) {
+    expect(pool.workerNodes.length).toBe(min)
+    for (let i = 0; i < max * 2; i++) {
       pool.execute()
     }
-    expect(pool.workers.length).toBe(max)
+    expect(pool.workerNodes.length).toBe(max)
     await TestUtils.waitExits(pool, max - min)
-    expect(pool.workers.length).toBe(min)
+    expect(pool.workerNodes.length).toBe(min)
   })
 
   it('Shutdown test', async () => {
@@ -66,7 +66,7 @@ describe('Dynamic thread pool test suite', () => {
 
   it('Validation of inputs test', () => {
     expect(() => new DynamicThreadPool(min)).toThrowError(
-      new Error('Please specify a file with a worker implementation')
+      'Please specify a file with a worker implementation'
     )
   })
 
@@ -93,13 +93,18 @@ describe('Dynamic thread pool test suite', () => {
         exitHandler: () => console.log('long running worker exited')
       }
     )
-    expect(longRunningPool.workers.length).toBe(min)
-    for (let i = 0; i < max * 10; i++) {
+    expect(longRunningPool.workerNodes.length).toBe(min)
+    for (let i = 0; i < max * 2; i++) {
       longRunningPool.execute()
     }
-    expect(longRunningPool.workers.length).toBe(max)
+    expect(longRunningPool.workerNodes.length).toBe(max)
     await TestUtils.waitExits(longRunningPool, max - min)
-    expect(longRunningPool.workers.length).toBe(min)
+    expect(longRunningPool.workerNodes.length).toBe(min)
+    expect(
+      longRunningPool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+        longRunningPool.workerChoiceStrategyContext.workerChoiceStrategy
+      ).nextWorkerNodeId
+    ).toBeLessThan(longRunningPool.workerNodes.length)
     // We need to clean up the resources after our test
     await longRunningPool.destroy()
   })
@@ -115,14 +120,14 @@ describe('Dynamic thread pool test suite', () => {
         exitHandler: () => console.log('long running worker exited')
       }
     )
-    expect(longRunningPool.workers.length).toBe(min)
-    for (let i = 0; i < max * 10; i++) {
+    expect(longRunningPool.workerNodes.length).toBe(min)
+    for (let i = 0; i < max * 2; i++) {
       longRunningPool.execute()
     }
-    expect(longRunningPool.workers.length).toBe(max)
+    expect(longRunningPool.workerNodes.length).toBe(max)
     await TestUtils.sleep(1500)
-    // Here we expect the workers to be at the max size since the task is still running
-    expect(longRunningPool.workers.length).toBe(max)
+    // Here we expect the workerNodes to be at the max size since the task is still running
+    expect(longRunningPool.workerNodes.length).toBe(max)
     // We need to clean up the resources after our test
     await longRunningPool.destroy()
   })