Fixlet to package.json

[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 3a162267189d066c1beeae0aae6773ccc9b39106..241a1b60ce312a77dd265e3d1390ae6e25ab5786 100644 (file)
--- a/tests/pools/thread/dynamic.test.js
+++ b/tests/pools/thread/dynamic.test.js
@@ -21,13 +21,15 @@ describe('Dynamic thread pool test suite', () => {
 
   it('Verify that new workers are created when required, max size is not exceeded and that after a while new workers will die', async () => {
     const promises = []
-    let fullPool = 0
-    pool.emitter.on('FullPool', () => fullPool++)
+    let poolBusy = 0
+    pool.emitter.on('busy', () => poolBusy++)
     for (let i = 0; i < max * 2; i++) {
       promises.push(pool.execute({ test: 'test' }))
     }
     expect(pool.workers.length).toBe(max)
-    expect(fullPool > 1).toBeTruthy()
+    // 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)
     const res = await TestUtils.waitExits(pool, max - min)
     expect(res).toBe(max - min)
   })
@@ -59,10 +61,8 @@ describe('Dynamic thread pool test suite', () => {
     expect(closedThreads).toBe(min)
   })
 
-  it('Validations test', () => {
-    expect(() => {
-      const pool1 = new DynamicThreadPool()
-    }).toThrowError(
+  it('Validation of inputs test', () => {
+    expect(() => new DynamicThreadPool(min)).toThrowError(
       new Error('Please specify a file with a worker implementation')
     )
   })
@@ -74,7 +74,10 @@ describe('Dynamic thread pool test suite', () => {
       './tests/worker-files/thread/testWorker.js'
     )
     const res = await pool1.execute({ test: 'test' })
+    expect(res).toBeDefined()
     expect(res).toBeFalsy()
+    // We need to clean up the resources after our test
+    await pool1.destroy()
   })
 
   it('Verify scale thread up and down is working when long running task is used:hard', async () => {
@@ -84,7 +87,8 @@ describe('Dynamic thread pool test suite', () => {
       './tests/worker-files/thread/longRunningWorkerHardBehavior.js',
       {
         errorHandler: e => console.error(e),
-        onlineHandler: () => console.log('worker is online')
+        onlineHandler: () => console.log('long running worker is online'),
+        exitHandler: () => console.log('long running worker exited')
       }
     )
     expect(longRunningPool.workers.length).toBe(min)
@@ -94,6 +98,8 @@ describe('Dynamic thread pool test suite', () => {
     expect(longRunningPool.workers.length).toBe(max)
     await TestUtils.waitExits(longRunningPool, max - min)
     expect(longRunningPool.workers.length).toBe(min)
+    // We need to clean up the resources after our test
+    await longRunningPool.destroy()
   })
 
   it('Verify scale thread up and down is working when long running task is used:soft', async () => {
@@ -103,7 +109,8 @@ describe('Dynamic thread pool test suite', () => {
       './tests/worker-files/thread/longRunningWorkerSoftBehavior.js',
       {
         errorHandler: e => console.error(e),
-        onlineHandler: () => console.log('worker is online')
+        onlineHandler: () => console.log('long running worker is online'),
+        exitHandler: () => console.log('long running worker exited')
       }
     )
     expect(longRunningPool.workers.length).toBe(min)
@@ -114,5 +121,18 @@ describe('Dynamic thread pool test suite', () => {
     await TestUtils.sleep(1500)
     // Here we expect the workers to be at the max size since that the task is still running
     expect(longRunningPool.workers.length).toBe(max)
+    // We need to clean up the resources after our test
+    await longRunningPool.destroy()
+  })
+
+  it('Verify that a pool with zero worker can be instantiated', async () => {
+    const pool = new DynamicThreadPool(
+      0,
+      max,
+      './tests/worker-files/thread/testWorker.js'
+    )
+    expect(pool).toBeInstanceOf(DynamicThreadPool)
+    // We need to clean up the resources after our test
+    await pool.destroy()
   })
 })