+ it('Verify that taskFunctions parameter is mandatory', () => {
+ expect(() => new ClusterWorker()).toThrowError(
+ 'taskFunctions parameter is mandatory'
+ )
+ })
+
+ it('Verify that taskFunctions parameter is a function or an object', () => {
+ expect(() => new ClusterWorker(0)).toThrowError(
+ new TypeError('taskFunctions parameter is not a function or an object')
+ )
+ expect(() => new ClusterWorker('')).toThrowError(
+ new TypeError('taskFunctions parameter is not a function or an object')
+ )
+ expect(() => new ClusterWorker(true)).toThrowError(
+ new TypeError('taskFunctions parameter is not a function or an object')
+ )
+ })
+
+ it('Verify that taskFunctions parameter is not an empty object literal', () => {
+ expect(() => new ClusterWorker([])).toThrowError(
+ new TypeError('taskFunctions parameter is not an object literal')
+ )
+ expect(() => new ClusterWorker(new Map())).toThrowError(
+ new TypeError('taskFunctions parameter is not an object literal')
+ )
+ expect(() => new ClusterWorker(new Set())).toThrowError(
+ new TypeError('taskFunctions parameter is not an object literal')
+ )
+ expect(() => new ClusterWorker(new WeakMap())).toThrowError(
+ new TypeError('taskFunctions parameter is not an object literal')
+ )
+ expect(() => new ClusterWorker(new WeakSet())).toThrowError(
+ new TypeError('taskFunctions parameter is not an object literal')
+ )
+ expect(() => new ClusterWorker({})).toThrowError(
+ new TypeError('taskFunctions parameter object is empty')
+ )
+ })
+
+ it('Verify that taskFunctions parameter with multiple task functions is taken', () => {
+ const fn1 = () => {
+ return 1
+ }
+ const fn2 = () => {
+ return 2
+ }
+ const worker = new ClusterWorker({ fn1, fn2 })
+ expect(typeof worker.taskFunctions.get('default') === 'function').toBe(true)
+ expect(typeof worker.taskFunctions.get('fn1') === 'function').toBe(true)
+ expect(typeof worker.taskFunctions.get('fn2') === 'function').toBe(true)
+ })
+
+ it('Verify that handleError() method is working properly', () => {