X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpools%2Fcluster%2Ffixed.test.js;h=4c36d8eb8e55f9666d59ea10122a2a77061eb7c5;hb=2d2e32c20d55c1b81771659fd81004bd7ca34b73;hp=1a150dac2705bde9dc94ac351086b6ba81de83da;hpb=515e5da7461f84786a9b6acf859cf65a083e2f4c;p=poolifier.git

diff --git a/tests/pools/cluster/fixed.test.js b/tests/pools/cluster/fixed.test.js
index 1a150dac..4c36d8eb 100644
--- a/tests/pools/cluster/fixed.test.js
+++ b/tests/pools/cluster/fixed.test.js
@@ -1,75 +1,99 @@
-const expect = require('expect')
+const { expect } = require('expect')
 const { FixedClusterPool } = require('../../../lib/index')
-const numWorkers = 10
-const maxTasks = 500
-const pool = new FixedClusterPool(
-  numWorkers,
-  './tests/worker/cluster/testWorker.js',
-  {
-    errorHandler: e => console.error(e),
-    onlineHandler: () => console.log('worker is online')
-  }
-)
-const emptyPool = new FixedClusterPool(
-  1,
-  './tests/worker/cluster/emptyWorker.js'
-)
-const echoPool = new FixedClusterPool(1, './tests/worker/cluster/echoWorker.js')
-const errorPool = new FixedClusterPool(
-  1,
-  './tests/worker/cluster/errorWorker.js',
-  {
-    errorHandler: e => console.error(e),
-    onlineHandler: () => console.log('worker is online')
-  }
-)
+const { WorkerFunctions } = require('../../test-types')
+const TestUtils = require('../../test-utils')
 
-const asyncErrorPool = new FixedClusterPool(
-  1,
-  './tests/worker/cluster/asyncErrorWorker.js',
-  {
-    onlineHandler: () => console.log('worker is online')
-  }
-)
-const asyncPool = new FixedClusterPool(
-  1,
-  './tests/worker/cluster/asyncWorker.js',
-  {
-    maxTasks: maxTasks
-  }
-)
+describe('Fixed cluster pool test suite', () => {
+  const numberOfWorkers = 6
+  const pool = new FixedClusterPool(
+    numberOfWorkers,
+    './tests/worker-files/cluster/testWorker.js',
+    {
+      errorHandler: e => console.error(e)
+    }
+  )
+  const emptyPool = new FixedClusterPool(
+    numberOfWorkers,
+    './tests/worker-files/cluster/emptyWorker.js',
+    { exitHandler: () => console.log('empty pool worker exited') }
+  )
+  const echoPool = new FixedClusterPool(
+    numberOfWorkers,
+    './tests/worker-files/cluster/echoWorker.js'
+  )
+  const errorPool = new FixedClusterPool(
+    numberOfWorkers,
+    './tests/worker-files/cluster/errorWorker.js',
+    {
+      errorHandler: e => console.error(e)
+    }
+  )
+  const asyncErrorPool = new FixedClusterPool(
+    numberOfWorkers,
+    './tests/worker-files/cluster/asyncErrorWorker.js',
+    {
+      errorHandler: e => console.error(e)
+    }
+  )
+  const asyncPool = new FixedClusterPool(
+    numberOfWorkers,
+    './tests/worker-files/cluster/asyncWorker.js'
+  )
+
+  after('Destroy all pools', async () => {
+    // We need to clean up the resources after our test
+    await echoPool.destroy()
+    await asyncPool.destroy()
+    await errorPool.destroy()
+    await asyncErrorPool.destroy()
+    await emptyPool.destroy()
+  })
 
-describe('Fixed cluster pool test suite ', () => {
   it('Choose worker round robin test', async () => {
     const results = new Set()
-    for (let i = 0; i < numWorkers; i++) {
+    for (let i = 0; i < numberOfWorkers; i++) {
       results.add(pool.chooseWorker().id)
     }
-    expect(results.size).toBe(numWorkers)
+    expect(results.size).toBe(numberOfWorkers)
   })
 
   it('Verify that the function is executed in a worker cluster', async () => {
-    const result = await pool.execute({ test: 'test' })
-    expect(result).toBeDefined()
-    expect(result).toBeFalsy()
+    let result = await pool.execute({
+      function: WorkerFunctions.fibonacci
+    })
+    expect(result).toBe(false)
+    result = await pool.execute({
+      function: WorkerFunctions.factorial
+    })
+    expect(result).toBe(false)
   })
 
   it('Verify that is possible to invoke the execute method without input', async () => {
     const result = await pool.execute()
-    expect(result).toBeDefined()
-    expect(result).toBeFalsy()
+    expect(result).toBe(false)
+  })
+
+  it('Verify that busy event is emitted', async () => {
+    const promises = []
+    let poolBusy = 0
+    pool.emitter.on('busy', () => poolBusy++)
+    for (let i = 0; i < numberOfWorkers * 2; i++) {
+      promises.push(pool.execute())
+    }
+    // The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers.
+    // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the fixed pool.
+    expect(poolBusy).toBe(numberOfWorkers + 1)
   })
 
   it('Verify that is possible to have a worker that return undefined', async () => {
     const result = await emptyPool.execute()
-    expect(result).toBeFalsy()
+    expect(result).toBeUndefined()
   })
 
   it('Verify that data are sent to the worker correctly', async () => {
     const data = { f: 10 }
     const result = await echoPool.execute(data)
-    expect(result).toBeTruthy()
-    expect(result.f).toBe(data.f)
+    expect(result).toStrictEqual(data)
   })
 
   it('Verify that error handling is working properly:sync', async () => {
@@ -81,7 +105,7 @@ describe('Fixed cluster pool test suite ', () => {
       inError = e
     }
     expect(inError).toBeDefined()
-    expect(typeof inError === 'string').toBeTruthy()
+    expect(typeof inError === 'string').toBe(true)
     expect(inError).toBe('Error Message from ClusterWorker')
   })
 
@@ -94,55 +118,41 @@ describe('Fixed cluster pool test suite ', () => {
       inError = e
     }
     expect(inError).toBeDefined()
-    expect(typeof inError === 'string').toBeTruthy()
+    expect(typeof inError === 'string').toBe(true)
     expect(inError).toBe('Error Message from ClusterWorker:async')
   })
 
   it('Verify that async function is working properly', async () => {
     const data = { f: 10 }
-    const startTime = new Date().getTime()
+    const startTime = Date.now()
     const result = await asyncPool.execute(data)
-    const usedTime = new Date().getTime() - startTime
-    expect(result).toBeTruthy()
-    expect(result.f).toBe(data.f)
+    const usedTime = Date.now() - startTime
+    expect(result).toStrictEqual(data)
     expect(usedTime).toBeGreaterThanOrEqual(2000)
   })
 
-  it('Verify that maxTasks is set properly', async () => {
-    const worker = asyncPool.chooseWorker()
-    expect(worker.getMaxListeners()).toBe(maxTasks)
-  })
-
   it('Shutdown test', async () => {
-    let closedWorkers = 0
-    pool.workers.forEach(w => {
-      w.on('exit', () => {
-        closedWorkers++
-      })
-    })
-    pool.destroy()
-    await new Promise(resolve => setTimeout(resolve, 200))
-    expect(closedWorkers).toBe(numWorkers)
-  })
-
-  it('Validations test', () => {
-    let error
-    try {
-      const pool1 = new FixedClusterPool()
-      console.log(pool1)
-    } catch (e) {
-      error = e
-    }
-    expect(error).toBeTruthy()
-    expect(error.message).toBeTruthy()
+    const exitPromise = TestUtils.waitExits(pool, numberOfWorkers)
+    await pool.destroy()
+    const numberOfExitEvents = await exitPromise
+    expect(numberOfExitEvents).toBe(numberOfWorkers)
   })
 
   it('Should work even without opts in input', async () => {
     const pool1 = new FixedClusterPool(
-      1,
-      './tests/worker/cluster/testWorker.js'
+      numberOfWorkers,
+      './tests/worker-files/cluster/testWorker.js'
     )
-    const res = await pool1.execute({ test: 'test' })
-    expect(res).toBeFalsy()
+    const res = await pool1.execute()
+    expect(res).toBe(false)
+    // We need to clean up the resources after our test
+    await pool1.destroy()
+  })
+
+  it('Verify that a pool with zero worker fails', async () => {
+    expect(
+      () =>
+        new FixedClusterPool(0, './tests/worker-files/cluster/testWorker.js')
+    ).toThrowError(new Error('Cannot instantiate a fixed pool with no worker'))
   })
 })