+ new StubWorkerWithMainWorker(() => {}).getMainWorker()
+ ).toThrowError('Main worker not set')
+ })
+
+ it('Verify that hasTaskFunction() works', () => {
+ const fn1 = () => {
+ return 1
+ }
+ const fn2 = () => {
+ return 2
+ }
+ const worker = new ClusterWorker({ fn1, fn2 })
+ expect(worker.hasTaskFunction(0)).toStrictEqual({
+ status: false,
+ error: new TypeError('name parameter is not a string')
+ })
+ expect(worker.hasTaskFunction('')).toStrictEqual({
+ status: false,
+ error: new TypeError('name parameter is an empty string')
+ })
+ expect(worker.hasTaskFunction(DEFAULT_TASK_NAME)).toStrictEqual({
+ status: true
+ })
+ expect(worker.hasTaskFunction('fn1')).toStrictEqual({ status: true })
+ expect(worker.hasTaskFunction('fn2')).toStrictEqual({ status: true })
+ expect(worker.hasTaskFunction('fn3')).toStrictEqual({ status: false })
+ })
+
+ it('Verify that addTaskFunction() works', () => {
+ const fn1 = () => {
+ return 1
+ }
+ const fn2 = () => {
+ return 2
+ }
+ const fn1Replacement = () => {
+ return 3
+ }
+ const worker = new ThreadWorker(fn1)
+ expect(worker.addTaskFunction(0, fn1)).toStrictEqual({
+ status: false,
+ error: new TypeError('name parameter is not a string')
+ })
+ expect(worker.addTaskFunction('', fn1)).toStrictEqual({
+ status: false,
+ error: new TypeError('name parameter is an empty string')
+ })
+ expect(worker.addTaskFunction('fn3', '')).toStrictEqual({
+ status: false,
+ error: new TypeError('fn parameter is not a function')
+ })
+ expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toBeInstanceOf(Function)
+ expect(worker.taskFunctions.get('fn1')).toBeInstanceOf(Function)
+ expect(worker.taskFunctions.size).toBe(2)
+ expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toStrictEqual(
+ worker.taskFunctions.get('fn1')
+ )
+ expect(worker.addTaskFunction(DEFAULT_TASK_NAME, fn2)).toStrictEqual({
+ status: false,
+ error: new Error(
+ 'Cannot add a task function with the default reserved name'
+ )
+ })
+ worker.addTaskFunction('fn2', fn2)
+ 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')
+ )
+ worker.addTaskFunction('fn1', fn1Replacement)
+ 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')
+ )
+ })
+
+ it('Verify that removeTaskFunction() works', () => {
+ const fn1 = () => {
+ return 1
+ }
+ const fn2 = () => {
+ return 2
+ }
+ const worker = new ClusterWorker({ 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.getMainWorker = sinon.stub().returns({
+ id: 1,
+ send: sinon.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.getMainWorker().send.calledOnce).toBe(true)
+ })
+
+ it('Verify that listTaskFunctionNames() works', () => {
+ const fn1 = () => {
+ return 1
+ }
+ const fn2 = () => {
+ return 2
+ }
+ const worker = new ClusterWorker({ fn1, fn2 })
+ expect(worker.listTaskFunctionNames()).toStrictEqual([
+ DEFAULT_TASK_NAME,
+ 'fn1',
+ 'fn2'
+ ])
+ })
+
+ it('Verify that setDefaultTaskFunction() works', () => {
+ const fn1 = () => {
+ return 1
+ }
+ const fn2 = () => {
+ return 2
+ }
+ const worker = new ThreadWorker({ fn1, fn2 })
+ expect(worker.setDefaultTaskFunction(0, fn1)).toStrictEqual({
+ status: false,
+ error: new TypeError('name parameter is not a string')
+ })
+ expect(worker.setDefaultTaskFunction('', fn1)).toStrictEqual({
+ status: false,
+ error: new TypeError('name parameter is an empty string')
+ })
+ 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.setDefaultTaskFunction(DEFAULT_TASK_NAME)).toStrictEqual({
+ status: false,
+ error: new Error(
+ 'Cannot set the default task function reserved name as the default task function'
+ )
+ })
+ expect(worker.setDefaultTaskFunction('fn3')).toStrictEqual({
+ status: false,
+ error: new Error(
+ 'Cannot set the default task function to a non-existing task function'
+ )
+ })
+ worker.setDefaultTaskFunction('fn1')
+ expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toStrictEqual(
+ worker.taskFunctions.get('fn1')
+ )
+ worker.setDefaultTaskFunction('fn2')
+ expect(worker.taskFunctions.get(DEFAULT_TASK_NAME)).toStrictEqual(
+ worker.taskFunctions.get('fn2')
+ )