| 1 | const expect = require('expect') |
| 2 | const { FixedClusterPool } = require('../../../lib/index') |
| 3 | const numWorkers = 10 |
| 4 | const pool = new FixedClusterPool( |
| 5 | numWorkers, |
| 6 | './tests/worker/cluster/testWorker.js', |
| 7 | { |
| 8 | errorHandler: e => console.error(e), |
| 9 | onlineHandler: () => console.log('worker is online') |
| 10 | } |
| 11 | ) |
| 12 | const emptyPool = new FixedClusterPool( |
| 13 | 1, |
| 14 | './tests/worker/cluster/emptyWorker.js' |
| 15 | ) |
| 16 | const echoPool = new FixedClusterPool(1, './tests/worker/cluster/echoWorker.js') |
| 17 | const errorPool = new FixedClusterPool( |
| 18 | 1, |
| 19 | './tests/worker/cluster/errorWorker.js', |
| 20 | { |
| 21 | errorHandler: e => console.error(e), |
| 22 | onlineHandler: () => console.log('worker is online') |
| 23 | } |
| 24 | ) |
| 25 | |
| 26 | const asyncErrorPool = new FixedClusterPool( |
| 27 | 1, |
| 28 | './tests/worker/cluster/asyncErrorWorker.js', |
| 29 | { |
| 30 | errorHandler: e => console.error(e), |
| 31 | onlineHandler: () => console.log('worker is online') |
| 32 | } |
| 33 | ) |
| 34 | const asyncPool = new FixedClusterPool( |
| 35 | 1, |
| 36 | './tests/worker/cluster/asyncWorker.js' |
| 37 | ) |
| 38 | |
| 39 | describe('Fixed cluster pool test suite ', () => { |
| 40 | it('Choose worker round robin test', async () => { |
| 41 | const results = new Set() |
| 42 | for (let i = 0; i < numWorkers; i++) { |
| 43 | results.add(pool.chooseWorker().id) |
| 44 | } |
| 45 | expect(results.size).toBe(numWorkers) |
| 46 | }) |
| 47 | |
| 48 | it('Verify that the function is executed in a worker cluster', async () => { |
| 49 | const result = await pool.execute({ test: 'test' }) |
| 50 | expect(result).toBeDefined() |
| 51 | expect(result).toBeFalsy() |
| 52 | }) |
| 53 | |
| 54 | it('Verify that is possible to invoke the execute method without input', async () => { |
| 55 | const result = await pool.execute() |
| 56 | expect(result).toBeDefined() |
| 57 | expect(result).toBeFalsy() |
| 58 | }) |
| 59 | |
| 60 | it('Verify that is possible to have a worker that return undefined', async () => { |
| 61 | const result = await emptyPool.execute() |
| 62 | expect(result).toBeFalsy() |
| 63 | }) |
| 64 | |
| 65 | it('Verify that data are sent to the worker correctly', async () => { |
| 66 | const data = { f: 10 } |
| 67 | const result = await echoPool.execute(data) |
| 68 | expect(result).toBeTruthy() |
| 69 | expect(result.f).toBe(data.f) |
| 70 | }) |
| 71 | |
| 72 | it('Verify that error handling is working properly:sync', async () => { |
| 73 | const data = { f: 10 } |
| 74 | let inError |
| 75 | try { |
| 76 | await errorPool.execute(data) |
| 77 | } catch (e) { |
| 78 | inError = e |
| 79 | } |
| 80 | expect(inError).toBeDefined() |
| 81 | expect(typeof inError === 'string').toBeTruthy() |
| 82 | expect(inError).toBe('Error Message from ClusterWorker') |
| 83 | }) |
| 84 | |
| 85 | it('Verify that error handling is working properly:async', async () => { |
| 86 | const data = { f: 10 } |
| 87 | let inError |
| 88 | try { |
| 89 | await asyncErrorPool.execute(data) |
| 90 | } catch (e) { |
| 91 | inError = e |
| 92 | } |
| 93 | expect(inError).toBeDefined() |
| 94 | expect(typeof inError === 'string').toBeTruthy() |
| 95 | expect(inError).toBe('Error Message from ClusterWorker:async') |
| 96 | }) |
| 97 | |
| 98 | it('Verify that async function is working properly', async () => { |
| 99 | const data = { f: 10 } |
| 100 | const startTime = new Date().getTime() |
| 101 | const result = await asyncPool.execute(data) |
| 102 | const usedTime = new Date().getTime() - startTime |
| 103 | expect(result).toBeTruthy() |
| 104 | expect(result.f).toBe(data.f) |
| 105 | expect(usedTime).toBeGreaterThanOrEqual(2000) |
| 106 | }) |
| 107 | |
| 108 | it('Shutdown test', async () => { |
| 109 | let closedWorkers = 0 |
| 110 | pool.workers.forEach(w => { |
| 111 | w.on('exit', () => { |
| 112 | closedWorkers++ |
| 113 | }) |
| 114 | }) |
| 115 | pool.destroy() |
| 116 | await new Promise(resolve => setTimeout(resolve, 200)) |
| 117 | expect(closedWorkers).toBe(numWorkers) |
| 118 | }) |
| 119 | |
| 120 | it('Validations test', () => { |
| 121 | let error |
| 122 | try { |
| 123 | const pool1 = new FixedClusterPool() |
| 124 | console.log(pool1) |
| 125 | } catch (e) { |
| 126 | error = e |
| 127 | } |
| 128 | expect(error).toBeTruthy() |
| 129 | expect(error.message).toBeTruthy() |
| 130 | }) |
| 131 | |
| 132 | it('Should work even without opts in input', async () => { |
| 133 | const pool1 = new FixedClusterPool( |
| 134 | 1, |
| 135 | './tests/worker/cluster/testWorker.js' |
| 136 | ) |
| 137 | const res = await pool1.execute({ test: 'test' }) |
| 138 | expect(res).toBeFalsy() |
| 139 | }) |
| 140 | }) |