import { expect } from 'expect'
import { restore, stub } from 'sinon'
import { ThreadWorker } from '../../lib/index.js'
+import { DEFAULT_TASK_NAME } from '../../lib/utils.js'
describe('Thread worker test suite', () => {
class SpyWorker extends ThreadWorker {
restore()
})
+ it('Verify that sync kill handler is called when worker is killed', () => {
+ const worker = new ThreadWorker(() => {}, {
+ killHandler: stub().returns()
+ })
+ worker.isMain = false
+ worker.port = {
+ postMessage: stub().returns(),
+ unref: stub().returns(),
+ close: stub().returns()
+ }
+ worker.handleKillMessage()
+ expect(worker.port.postMessage.calledOnce).toBe(true)
+ expect(worker.port.unref.calledOnce).toBe(true)
+ expect(worker.port.close.calledOnce).toBe(true)
+ expect(worker.opts.killHandler.calledOnce).toBe(true)
+ })
+
+ it('Verify that removeTaskFunction() is working', () => {
+ const fn1 = () => {
+ return 1
+ }
+ const fn2 = () => {
+ return 2
+ }
+ const worker = new ThreadWorker({ fn1, fn2 })
+ expect(worker.removeTaskFunction(0, fn1)).toStrictEqual({
+ status: false,
+ error: new TypeError('name parameter is not a string')
+ })
+ expect(worker.removeTaskFunction('', fn1)).toStrictEqual({
+ status: false,
+ error: new TypeError('name parameter is an empty string')
+ })
+ worker.port = {
+ postMessage: stub().returns()
+ }
+ expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toBeInstanceOf(Function)
+ expect(worker.taskFunctions.get('fn1')).toBeInstanceOf(Function)
+ expect(worker.taskFunctions.get('fn2')).toBeInstanceOf(Function)
+ expect(worker.taskFunctions.size).toBe(3)
+ expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toStrictEqual(
+ worker.taskFunctions.get('fn1')
+ )
+ expect(worker.removeTaskFunction(DEFAULT_TASK_NAME)).toStrictEqual({
+ status: false,
+ error: new Error(
+ 'Cannot remove the task function with the default reserved name'
+ )
+ })
+ expect(worker.removeTaskFunction('fn1')).toStrictEqual({
+ status: false,
+ error: new Error(
+ 'Cannot remove the task function used as the default task function'
+ )
+ })
+ worker.removeTaskFunction('fn2')
+ expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toBeInstanceOf(Function)
+ expect(worker.taskFunctions.get('fn1')).toBeInstanceOf(Function)
+ expect(worker.taskFunctions.get('fn2')).toBeUndefined()
+ expect(worker.taskFunctions.size).toBe(2)
+ expect(worker.port.postMessage.calledOnce).toBe(true)
+ })
+
it('Verify that handleError() method is working properly', () => {
const error = new Error('Error as an error')
const worker = new ThreadWorker(() => {})