Bump @types/node from 14.14.31 to 14.14.32 (#258)

[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 fbeb77cf3555c76ce1a93b53b926cee8f505ce91..54d53b11a8b60931a39756d614ece9621de88cc9 100644 (file)
--- a/tests/pools/cluster/dynamic.test.js
+++ b/tests/pools/cluster/dynamic.test.js
@@ -12,7 +12,7 @@ const pool = new DynamicClusterPool(
   }
 )
 
-describe('Dynamic cluster pool test suite ', () => {
+describe('Dynamic cluster pool test suite', () => {
   it('Verify that the function is executed in a worker cluster', async () => {
     const result = await pool.execute({ test: 'test' })
     expect(result).toBeDefined()
@@ -21,14 +21,14 @@ describe('Dynamic cluster 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).toBeLessThanOrEqual(max)
     expect(pool.workers.length).toBeGreaterThan(min)
-    expect(fullPool > 1).toBeTruthy()
+    expect(poolBusy).toEqual(max + 1)
     const numberOfExitEvents = await TestUtils.waitExits(pool, max - min)
     expect(numberOfExitEvents).toBe(max - min)
   })
@@ -56,14 +56,22 @@ describe('Dynamic cluster pool test suite ', () => {
     expect(res).toBe(min)
   })
 
+  it('Validation of inputs test', () => {
+    expect(() => new DynamicClusterPool(min)).toThrowError(
+      new Error('Please specify a file with a worker implementation')
+    )
+  })
+
   it('Should work even without opts in input', async () => {
     const pool1 = new DynamicClusterPool(
       1,
       1,
       './tests/worker-files/cluster/testWorker.js'
     )
-    const res = await pool1.execute({ test: 'test' })
-    expect(res).toBeFalsy()
+    const result = await pool1.execute({ test: 'test' })
+    expect(result).toBeFalsy()
+    // We need to clean up the resources after our test
+    await pool1.destroy()
   })
 
   it('Verify scale processes up and down is working when long running task is used:hard', async () => {
@@ -80,6 +88,8 @@ describe('Dynamic cluster pool test suite ', () => {
     await TestUtils.waitExits(longRunningPool, max - min)
     // Here we expect the workers to be at the max size since that the task is still running
     expect(longRunningPool.workers.length).toBe(min)
+    // We need to clean up the resources after our test
+    await longRunningPool.destroy()
   })
 
   it('Verify scale processes up and down is working when long running task is used:soft', async () => {
@@ -96,5 +106,18 @@ describe('Dynamic cluster 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 DynamicClusterPool(
+      0,
+      max,
+      './tests/worker-files/cluster/testWorker.js'
+    )
+    expect(pool).toBeInstanceOf(DynamicClusterPool)
+    // We need to clean up the resources after our test
+    await pool.destroy()
   })
 })