const expect = require('expect')
const { FixedThreadPool } = require('../../../lib/index')
+const TestUtils = require('../../test-utils')
const numberOfThreads = 10
-const maxTasks = 400
const pool = new FixedThreadPool(
numberOfThreads,
'./tests/worker-files/thread/testWorker.js',
)
const emptyPool = new FixedThreadPool(
1,
- './tests/worker-files/thread/emptyWorker.js'
+ './tests/worker-files/thread/emptyWorker.js',
+ { exitHandler: () => console.log('WORKER EXITED') }
)
const echoPool = new FixedThreadPool(
1,
)
const asyncPool = new FixedThreadPool(
1,
- './tests/worker-files/thread/asyncWorker.js',
- { maxTasks: maxTasks }
+ './tests/worker-files/thread/asyncWorker.js'
)
-describe('Fixed thread pool test suite ', () => {
+describe('Fixed thread pool test suite', () => {
+ 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 emptyPool.destroy()
+ })
+
it('Choose worker round robin test', async () => {
const results = new Set()
for (let i = 0; i < numberOfThreads; i++) {
expect(usedTime).toBeGreaterThanOrEqual(2000)
})
- it('Verify that maxTasks is set properly', async () => {
- const worker = asyncPool.chooseWorker()
- expect(worker.port2.getMaxListeners()).toBe(maxTasks)
- })
-
it('Shutdown test', async () => {
- let closedThreads = 0
- pool.workers.forEach(w => {
- w.on('exit', () => {
- closedThreads++
- })
- })
+ const exitPromise = TestUtils.waitExits(pool, numberOfThreads)
await pool.destroy()
- expect(closedThreads).toBe(numberOfThreads)
- })
-
- it('Validations test', () => {
- let error
- try {
- const pool1 = new FixedThreadPool()
- console.log(pool1)
- } catch (e) {
- error = e
- }
- expect(error).toBeTruthy()
- expect(error.message).toBeTruthy()
+ const res = await exitPromise
+ expect(res).toBe(numberOfThreads)
})
it('Should work even without opts in input', async () => {
)
const res = await pool1.execute({ test: 'test' })
expect(res).toBeFalsy()
+ // 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 FixedThreadPool(0, './tests/worker-files/thread/testWorker.js')
+ ).toThrowError(new Error('Cannot instantiate a fixed pool with no worker'))
})
})