Commit | Line | Data |
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a61a0724 | 1 | const { expect } = require('expect') |
aee46736 | 2 | const { FixedClusterPool, PoolEvents } = require('../../../lib/index') |
2d2e32c2 | 3 | const { WorkerFunctions } = require('../../test-types') |
85a3f8a7 | 4 | const TestUtils = require('../../test-utils') |
325f50bc | 5 | |
a35560ba | 6 | describe('Fixed cluster pool test suite', () => { |
e1ffb94f JB |
7 | const numberOfWorkers = 6 |
8 | const pool = new FixedClusterPool( | |
9 | numberOfWorkers, | |
10 | './tests/worker-files/cluster/testWorker.js', | |
11 | { | |
12 | errorHandler: e => console.error(e) | |
13 | } | |
14 | ) | |
594bfb84 JB |
15 | const queuePool = new FixedClusterPool( |
16 | numberOfWorkers, | |
17 | './tests/worker-files/cluster/testWorker.js', | |
18 | { | |
19 | enableTasksQueue: true, | |
20 | tasksQueueOptions: { | |
21 | concurrency: 2 | |
22 | }, | |
23 | errorHandler: e => console.error(e) | |
24 | } | |
25 | ) | |
e1ffb94f JB |
26 | const emptyPool = new FixedClusterPool( |
27 | numberOfWorkers, | |
28 | './tests/worker-files/cluster/emptyWorker.js', | |
29 | { exitHandler: () => console.log('empty pool worker exited') } | |
30 | ) | |
31 | const echoPool = new FixedClusterPool( | |
32 | numberOfWorkers, | |
33 | './tests/worker-files/cluster/echoWorker.js' | |
34 | ) | |
35 | const errorPool = new FixedClusterPool( | |
36 | numberOfWorkers, | |
37 | './tests/worker-files/cluster/errorWorker.js', | |
38 | { | |
39 | errorHandler: e => console.error(e) | |
40 | } | |
41 | ) | |
42 | const asyncErrorPool = new FixedClusterPool( | |
43 | numberOfWorkers, | |
44 | './tests/worker-files/cluster/asyncErrorWorker.js', | |
45 | { | |
46 | errorHandler: e => console.error(e) | |
47 | } | |
48 | ) | |
49 | const asyncPool = new FixedClusterPool( | |
50 | numberOfWorkers, | |
51 | './tests/worker-files/cluster/asyncWorker.js' | |
52 | ) | |
53 | ||
8bc77620 APA |
54 | after('Destroy all pools', async () => { |
55 | // We need to clean up the resources after our test | |
56 | await echoPool.destroy() | |
57 | await asyncPool.destroy() | |
58 | await errorPool.destroy() | |
59 | await asyncErrorPool.destroy() | |
60 | await emptyPool.destroy() | |
594bfb84 | 61 | await queuePool.destroy() |
8bc77620 APA |
62 | }) |
63 | ||
325f50bc | 64 | it('Verify that the function is executed in a worker cluster', async () => { |
6db75ad9 JB |
65 | let result = await pool.execute({ |
66 | function: WorkerFunctions.fibonacci | |
67 | }) | |
68 | expect(result).toBe(false) | |
69 | result = await pool.execute({ | |
70 | function: WorkerFunctions.factorial | |
71 | }) | |
72 | expect(result).toBe(false) | |
325f50bc S |
73 | }) |
74 | ||
75 | it('Verify that is possible to invoke the execute method without input', async () => { | |
76 | const result = await pool.execute() | |
6db75ad9 | 77 | expect(result).toBe(false) |
325f50bc S |
78 | }) |
79 | ||
aee46736 | 80 | it("Verify that 'busy' event is emitted", async () => { |
7c0ba920 | 81 | let poolBusy = 0 |
aee46736 | 82 | pool.emitter.on(PoolEvents.busy, () => ++poolBusy) |
7c0ba920 | 83 | for (let i = 0; i < numberOfWorkers * 2; i++) { |
8cbb82eb | 84 | pool.execute() |
7c0ba920 | 85 | } |
14916bf9 JB |
86 | // The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers. |
87 | // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the fixed pool. | |
88 | expect(poolBusy).toBe(numberOfWorkers + 1) | |
7c0ba920 JB |
89 | }) |
90 | ||
594bfb84 JB |
91 | it('Verify that tasks queuing is working', async () => { |
92 | const maxMultiplier = 10 | |
93 | for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) { | |
94 | queuePool.execute() | |
95 | } | |
96 | for (const workerNode of queuePool.workerNodes) { | |
97 | expect(workerNode.tasksUsage.running).toBeLessThanOrEqual( | |
98 | queuePool.opts.tasksQueueOptions.concurrency | |
99 | ) | |
100 | expect(workerNode.tasksUsage.run).toBe(0) | |
101 | expect(workerNode.tasksQueue.length).toBeGreaterThan(0) | |
102 | } | |
103 | // FIXME: wait for ongoing tasks to be executed | |
104 | const promises = [] | |
105 | for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) { | |
106 | promises.push(queuePool.execute()) | |
107 | } | |
108 | await Promise.all(promises) | |
109 | for (const workerNode of queuePool.workerNodes) { | |
110 | expect(workerNode.tasksUsage.running).toBe(0) | |
111 | expect(workerNode.tasksUsage.run).toBeGreaterThan(0) | |
112 | expect(workerNode.tasksQueue.length).toBe(0) | |
113 | } | |
114 | }) | |
115 | ||
325f50bc S |
116 | it('Verify that is possible to have a worker that return undefined', async () => { |
117 | const result = await emptyPool.execute() | |
6db75ad9 | 118 | expect(result).toBeUndefined() |
325f50bc S |
119 | }) |
120 | ||
121 | it('Verify that data are sent to the worker correctly', async () => { | |
122 | const data = { f: 10 } | |
123 | const result = await echoPool.execute(data) | |
e1ffb94f | 124 | expect(result).toStrictEqual(data) |
325f50bc S |
125 | }) |
126 | ||
127 | it('Verify that error handling is working properly:sync', async () => { | |
128 | const data = { f: 10 } | |
129 | let inError | |
130 | try { | |
131 | await errorPool.execute(data) | |
132 | } catch (e) { | |
133 | inError = e | |
134 | } | |
135 | expect(inError).toBeDefined() | |
8620fb25 | 136 | expect(typeof inError === 'string').toBe(true) |
325f50bc S |
137 | expect(inError).toBe('Error Message from ClusterWorker') |
138 | }) | |
139 | ||
140 | it('Verify that error handling is working properly:async', async () => { | |
141 | const data = { f: 10 } | |
142 | let inError | |
143 | try { | |
144 | await asyncErrorPool.execute(data) | |
145 | } catch (e) { | |
146 | inError = e | |
147 | } | |
148 | expect(inError).toBeDefined() | |
8620fb25 | 149 | expect(typeof inError === 'string').toBe(true) |
325f50bc S |
150 | expect(inError).toBe('Error Message from ClusterWorker:async') |
151 | }) | |
152 | ||
153 | it('Verify that async function is working properly', async () => { | |
154 | const data = { f: 10 } | |
15e5141f | 155 | const startTime = performance.now() |
325f50bc | 156 | const result = await asyncPool.execute(data) |
15e5141f | 157 | const usedTime = performance.now() - startTime |
e1ffb94f | 158 | expect(result).toStrictEqual(data) |
325f50bc S |
159 | expect(usedTime).toBeGreaterThanOrEqual(2000) |
160 | }) | |
161 | ||
162 | it('Shutdown test', async () => { | |
85a3f8a7 | 163 | const exitPromise = TestUtils.waitExits(pool, numberOfWorkers) |
45dbbb14 | 164 | await pool.destroy() |
bdacc2d2 JB |
165 | const numberOfExitEvents = await exitPromise |
166 | expect(numberOfExitEvents).toBe(numberOfWorkers) | |
325f50bc S |
167 | }) |
168 | ||
1a76932b JB |
169 | it('Verify that cluster pool options are checked', async () => { |
170 | const workerFilePath = './tests/worker-files/cluster/testWorker.js' | |
171 | let pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath) | |
172 | expect(pool1.opts.env).toBeUndefined() | |
173 | expect(pool1.opts.settings).toBeUndefined() | |
174 | await pool1.destroy() | |
175 | pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath, { | |
176 | env: { TEST: 'test' }, | |
177 | settings: { args: ['--use', 'http'], silent: true } | |
178 | }) | |
179 | expect(pool1.opts.env).toStrictEqual({ TEST: 'test' }) | |
180 | expect(pool1.opts.settings).toStrictEqual({ | |
181 | args: ['--use', 'http'], | |
182 | silent: true | |
183 | }) | |
184 | expect({ ...pool1.opts.settings, exec: workerFilePath }).toStrictEqual({ | |
185 | args: ['--use', 'http'], | |
186 | silent: true, | |
187 | exec: workerFilePath | |
188 | }) | |
189 | await pool1.destroy() | |
190 | }) | |
191 | ||
325f50bc S |
192 | it('Should work even without opts in input', async () => { |
193 | const pool1 = new FixedClusterPool( | |
e1ffb94f | 194 | numberOfWorkers, |
76b1e974 | 195 | './tests/worker-files/cluster/testWorker.js' |
325f50bc | 196 | ) |
6db75ad9 JB |
197 | const res = await pool1.execute() |
198 | expect(res).toBe(false) | |
8bc77620 APA |
199 | // We need to clean up the resources after our test |
200 | await pool1.destroy() | |
325f50bc | 201 | }) |
8d3782fa JB |
202 | |
203 | it('Verify that a pool with zero worker fails', async () => { | |
204 | expect( | |
205 | () => | |
206 | new FixedClusterPool(0, './tests/worker-files/cluster/testWorker.js') | |
207 | ).toThrowError(new Error('Cannot instantiate a fixed pool with no worker')) | |
208 | }) | |
325f50bc | 209 | }) |