| 1 | const { MessageChannel, Worker } = require('worker_threads') |
| 2 | const { expect } = require('expect') |
| 3 | const { WorkerNode } = require('../../../lib/pools/worker-node') |
| 4 | const { WorkerTypes } = require('../../../lib') |
| 5 | const { CircularArray } = require('../../../lib/circular-array') |
| 6 | const { Deque } = require('../../../lib/deque') |
| 7 | |
| 8 | describe('Worker node test suite', () => { |
| 9 | const worker = new Worker('./tests/worker-files/thread/testWorker.js') |
| 10 | const workerNode = new WorkerNode(worker, WorkerTypes.thread, 12) |
| 11 | |
| 12 | it('Worker node instantiation', () => { |
| 13 | expect(() => new WorkerNode()).toThrowError( |
| 14 | new TypeError('Cannot construct a worker node without a worker') |
| 15 | ) |
| 16 | expect(() => new WorkerNode(worker)).toThrowError( |
| 17 | new TypeError('Cannot construct a worker node without a worker type') |
| 18 | ) |
| 19 | expect(() => new WorkerNode(worker, WorkerTypes.thread)).toThrowError( |
| 20 | new TypeError( |
| 21 | 'Cannot construct a worker node without a tasks queue back pressure size' |
| 22 | ) |
| 23 | ) |
| 24 | expect( |
| 25 | () => |
| 26 | new WorkerNode( |
| 27 | worker, |
| 28 | WorkerTypes.thread, |
| 29 | 'invalidTasksQueueBackPressureSize' |
| 30 | ) |
| 31 | ).toThrowError( |
| 32 | new TypeError( |
| 33 | 'Cannot construct a worker node with a tasks queue back pressure size that is not an integer' |
| 34 | ) |
| 35 | ) |
| 36 | expect(workerNode).toBeInstanceOf(WorkerNode) |
| 37 | expect(workerNode.worker).toBe(worker) |
| 38 | expect(workerNode.info).toStrictEqual({ |
| 39 | id: worker.threadId, |
| 40 | type: WorkerTypes.thread, |
| 41 | dynamic: false, |
| 42 | ready: false |
| 43 | }) |
| 44 | expect(workerNode.usage).toStrictEqual({ |
| 45 | tasks: { |
| 46 | executed: 0, |
| 47 | executing: 0, |
| 48 | queued: 0, |
| 49 | maxQueued: 0, |
| 50 | stolen: 0, |
| 51 | failed: 0 |
| 52 | }, |
| 53 | runTime: { |
| 54 | history: expect.any(CircularArray) |
| 55 | }, |
| 56 | waitTime: { |
| 57 | history: expect.any(CircularArray) |
| 58 | }, |
| 59 | elu: { |
| 60 | idle: { |
| 61 | history: expect.any(CircularArray) |
| 62 | }, |
| 63 | active: { |
| 64 | history: expect.any(CircularArray) |
| 65 | } |
| 66 | } |
| 67 | }) |
| 68 | expect(workerNode.messageChannel).toBeInstanceOf(MessageChannel) |
| 69 | expect(workerNode.tasksQueueBackPressureSize).toBe(12) |
| 70 | expect(workerNode.tasksQueue).toBeInstanceOf(Deque) |
| 71 | expect(workerNode.tasksQueue.size).toBe(0) |
| 72 | expect(workerNode.taskFunctionsUsage).toBeInstanceOf(Map) |
| 73 | }) |
| 74 | |
| 75 | it('Worker node getTaskFunctionWorkerUsage()', () => { |
| 76 | expect(() => |
| 77 | workerNode.getTaskFunctionWorkerUsage('invalidTaskFunction') |
| 78 | ).toThrowError( |
| 79 | new TypeError( |
| 80 | "Cannot get task function worker usage for task function name 'invalidTaskFunction' when task function names list is not yet defined" |
| 81 | ) |
| 82 | ) |
| 83 | workerNode.info.taskFunctions = ['default', 'fn1'] |
| 84 | expect(() => |
| 85 | workerNode.getTaskFunctionWorkerUsage('invalidTaskFunction') |
| 86 | ).toThrowError( |
| 87 | new TypeError( |
| 88 | "Cannot get task function worker usage for task function name 'invalidTaskFunction' when task function names list has less than 3 elements" |
| 89 | ) |
| 90 | ) |
| 91 | workerNode.info.taskFunctions = ['default', 'fn1', 'fn2'] |
| 92 | expect(workerNode.getTaskFunctionWorkerUsage('default')).toStrictEqual({ |
| 93 | tasks: { |
| 94 | executed: 0, |
| 95 | executing: 0, |
| 96 | queued: 0, |
| 97 | stolen: 0, |
| 98 | failed: 0 |
| 99 | }, |
| 100 | runTime: { |
| 101 | history: expect.any(CircularArray) |
| 102 | }, |
| 103 | waitTime: { |
| 104 | history: expect.any(CircularArray) |
| 105 | }, |
| 106 | elu: { |
| 107 | idle: { |
| 108 | history: expect.any(CircularArray) |
| 109 | }, |
| 110 | active: { |
| 111 | history: expect.any(CircularArray) |
| 112 | } |
| 113 | } |
| 114 | }) |
| 115 | expect(workerNode.getTaskFunctionWorkerUsage('fn1')).toStrictEqual({ |
| 116 | tasks: { |
| 117 | executed: 0, |
| 118 | executing: 0, |
| 119 | queued: 0, |
| 120 | stolen: 0, |
| 121 | failed: 0 |
| 122 | }, |
| 123 | runTime: { |
| 124 | history: expect.any(CircularArray) |
| 125 | }, |
| 126 | waitTime: { |
| 127 | history: expect.any(CircularArray) |
| 128 | }, |
| 129 | elu: { |
| 130 | idle: { |
| 131 | history: expect.any(CircularArray) |
| 132 | }, |
| 133 | active: { |
| 134 | history: expect.any(CircularArray) |
| 135 | } |
| 136 | } |
| 137 | }) |
| 138 | expect(workerNode.getTaskFunctionWorkerUsage('fn2')).toStrictEqual({ |
| 139 | tasks: { |
| 140 | executed: 0, |
| 141 | executing: 0, |
| 142 | queued: 0, |
| 143 | stolen: 0, |
| 144 | failed: 0 |
| 145 | }, |
| 146 | runTime: { |
| 147 | history: expect.any(CircularArray) |
| 148 | }, |
| 149 | waitTime: { |
| 150 | history: expect.any(CircularArray) |
| 151 | }, |
| 152 | elu: { |
| 153 | idle: { |
| 154 | history: expect.any(CircularArray) |
| 155 | }, |
| 156 | active: { |
| 157 | history: expect.any(CircularArray) |
| 158 | } |
| 159 | } |
| 160 | }) |
| 161 | expect(workerNode.taskFunctionsUsage.size).toBe(2) |
| 162 | }) |
| 163 | }) |