test: add more event emitter tests

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

diff --git a/tests/pools/cluster/dynamic.test.js b/tests/pools/cluster/dynamic.test.js
index 753f59af309dfd1e83053f0e1496682f118bb7dd..1e729eaef0252be71fa3848e15935b6c82604b61 100644 (file)
--- a/tests/pools/cluster/dynamic.test.js
+++ b/tests/pools/cluster/dynamic.test.js
@@ -1,6 +1,6 @@
 const { expect } = require('expect')
 const { DynamicClusterPool, PoolEvents } = require('../../../lib')
-const { WorkerFunctions } = require('../../test-types')
+const { TaskFunctions } = require('../../test-types')
 const { sleep, waitWorkerEvents } = require('../../test-utils')
 
 describe('Dynamic cluster pool test suite', () => {
@@ -17,11 +17,11 @@ describe('Dynamic cluster pool test suite', () => {
 
   it('Verify that the function is executed in a worker cluster', async () => {
     let result = await pool.execute({
-      function: WorkerFunctions.fibonacci
+      function: TaskFunctions.fibonacci
     })
     expect(result).toBe(75025)
     result = await pool.execute({
-      function: WorkerFunctions.factorial
+      function: TaskFunctions.factorial
     })
     expect(result).toBe(9.33262154439441e157)
   })
@@ -34,9 +34,7 @@ describe('Dynamic cluster pool test suite', () => {
     }
     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)
+    expect(poolBusy).toBe(1)
     const numberOfExitEvents = await waitWorkerEvents(pool, 'exit', max - min)
     expect(numberOfExitEvents).toBe(max - min)
   })
@@ -59,9 +57,19 @@ describe('Dynamic cluster pool test suite', () => {
 
   it('Shutdown test', async () => {
     const exitPromise = waitWorkerEvents(pool, 'exit', min)
+    expect(pool.emitter.eventNames()).toStrictEqual([PoolEvents.busy])
+    let poolDestroy = 0
+    pool.emitter.on(PoolEvents.destroy, () => ++poolDestroy)
+    expect(pool.emitter.eventNames()).toStrictEqual([
+      PoolEvents.busy,
+      PoolEvents.destroy
+    ])
     await pool.destroy()
     const numberOfExitEvents = await exitPromise
+    expect(pool.started).toBe(false)
+    expect(pool.workerNodes.length).toBe(0)
     expect(numberOfExitEvents).toBe(min)
+    expect(poolDestroy).toBe(1)
   })
 
   it('Validation of inputs test', () => {
@@ -71,15 +79,15 @@ describe('Dynamic cluster pool test suite', () => {
   })
 
   it('Should work even without opts in input', async () => {
-    const pool1 = new DynamicClusterPool(
+    const pool = new DynamicClusterPool(
       min,
       max,
       './tests/worker-files/cluster/testWorker.js'
     )
-    const result = await pool1.execute()
-    expect(result).toBe(false)
+    const result = await pool.execute()
+    expect(result).toStrictEqual({ ok: 1 })
     // We need to clean up the resources after our test
-    await pool1.destroy()
+    await pool.destroy()
   })
 
   it('Verify scale processes up and down is working when long executing task is used:hard', async () => {
@@ -89,8 +97,8 @@ describe('Dynamic cluster pool test suite', () => {
       './tests/worker-files/cluster/longRunningWorkerHardBehavior.js',
       {
         errorHandler: e => console.error(e),
-        onlineHandler: () => console.log('long executing worker is online'),
-        exitHandler: () => console.log('long executing worker exited')
+        onlineHandler: () => console.info('long executing worker is online'),
+        exitHandler: () => console.info('long executing worker exited')
       }
     )
     expect(longRunningPool.workerNodes.length).toBe(min)
@@ -103,7 +111,7 @@ describe('Dynamic cluster pool test suite', () => {
     expect(
       longRunningPool.workerChoiceStrategyContext.workerChoiceStrategies.get(
         longRunningPool.workerChoiceStrategyContext.workerChoiceStrategy
-      ).nextWorkerNodeId
+      ).nextWorkerNodeKey
     ).toBeLessThan(longRunningPool.workerNodes.length)
     // We need to clean up the resources after our test
     await longRunningPool.destroy()
@@ -116,8 +124,8 @@ describe('Dynamic cluster pool test suite', () => {
       './tests/worker-files/cluster/longRunningWorkerSoftBehavior.js',
       {
         errorHandler: e => console.error(e),
-        onlineHandler: () => console.log('long executing worker is online'),
-        exitHandler: () => console.log('long executing worker exited')
+        onlineHandler: () => console.info('long executing worker is online'),
+        exitHandler: () => console.info('long executing worker exited')
       }
     )
     expect(longRunningPool.workerNodes.length).toBe(min)