const { expect } = require('expect')
-const { FixedThreadPool } = require('../../../lib/index')
-const WorkerFunctions = require('../../test-types')
+const { FixedThreadPool, PoolEvents } = require('../../../lib/index')
+const { WorkerFunctions } = require('../../test-types')
const TestUtils = require('../../test-utils')
-const numberOfThreads = 10
-const pool = new FixedThreadPool(
- numberOfThreads,
- './tests/worker-files/thread/testWorker.js',
- {
- errorHandler: e => console.error(e)
- }
-)
-const emptyPool = new FixedThreadPool(
- 1,
- './tests/worker-files/thread/emptyWorker.js',
- { exitHandler: () => console.log('empty pool worker exited') }
-)
-const echoPool = new FixedThreadPool(
- 1,
- './tests/worker-files/thread/echoWorker.js'
-)
-const errorPool = new FixedThreadPool(
- 1,
- './tests/worker-files/thread/errorWorker.js',
- {
- errorHandler: e => console.error(e)
- }
-)
-const asyncErrorPool = new FixedThreadPool(
- 1,
- './tests/worker-files/thread/asyncErrorWorker.js',
- {
- errorHandler: e => console.error(e)
- }
-)
-const asyncPool = new FixedThreadPool(
- 1,
- './tests/worker-files/thread/asyncWorker.js'
-)
describe('Fixed thread pool test suite', () => {
+ const numberOfThreads = 6
+ const pool = new FixedThreadPool(
+ numberOfThreads,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ errorHandler: e => console.error(e)
+ }
+ )
+ const emptyPool = new FixedThreadPool(
+ numberOfThreads,
+ './tests/worker-files/thread/emptyWorker.js',
+ { exitHandler: () => console.log('empty pool worker exited') }
+ )
+ const echoPool = new FixedThreadPool(
+ numberOfThreads,
+ './tests/worker-files/thread/echoWorker.js'
+ )
+ const errorPool = new FixedThreadPool(
+ numberOfThreads,
+ './tests/worker-files/thread/errorWorker.js',
+ {
+ errorHandler: e => console.error(e)
+ }
+ )
+ const asyncErrorPool = new FixedThreadPool(
+ numberOfThreads,
+ './tests/worker-files/thread/asyncErrorWorker.js',
+ {
+ errorHandler: e => console.error(e)
+ }
+ )
+ const asyncPool = new FixedThreadPool(
+ numberOfThreads,
+ './tests/worker-files/thread/asyncWorker.js'
+ )
+
after('Destroy all pools', async () => {
// We need to clean up the resources after our test
await echoPool.destroy()
await emptyPool.destroy()
})
- it('Choose worker round robin test', async () => {
- const results = new Set()
- for (let i = 0; i < numberOfThreads; i++) {
- results.add(pool.chooseWorker().threadId)
- }
- expect(results.size).toBe(numberOfThreads)
- })
-
it('Verify that the function is executed in a worker thread', async () => {
let result = await pool.execute({
function: WorkerFunctions.fibonacci
expect(result).toBe(false)
})
- it('Verify that busy event is emitted', async () => {
- const promises = []
+ it("Verify that 'busy' event is emitted", async () => {
let poolBusy = 0
- pool.emitter.on('busy', () => poolBusy++)
+ pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
for (let i = 0; i < numberOfThreads * 2; i++) {
- promises.push(pool.execute())
+ 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 numberOfThreads + 1 times for a loop submitting up to numberOfThreads * 2 tasks to the fixed pool.
it('Verify that data are sent to the worker correctly', async () => {
const data = { f: 10 }
const result = await echoPool.execute(data)
- expect(result).toEqual(data)
+ expect(result).toStrictEqual(data)
})
it('Verify that error handling is working properly:sync', 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).toEqual(data)
+ const usedTime = Date.now() - startTime
+ expect(result).toStrictEqual(data)
expect(usedTime).toBeGreaterThanOrEqual(2000)
})
it('Should work even without opts in input', async () => {
const pool1 = new FixedThreadPool(
- 1,
+ numberOfThreads,
'./tests/worker-files/thread/testWorker.js'
)
const res = await pool1.execute()