Commit | Line | Data |
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a61a0724 | 1 | const { expect } = require('expect') |
cdace0e5 | 2 | const { FixedClusterPool, PoolEvents } = require('../../../lib') |
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 | }) | |
70a4f5ea | 68 | expect(result).toBe(121393) |
6db75ad9 JB |
69 | result = await pool.execute({ |
70 | function: WorkerFunctions.factorial | |
71 | }) | |
70a4f5ea | 72 | expect(result).toBe(9.33262154439441e157) |
325f50bc S |
73 | }) |
74 | ||
318d4156 | 75 | it('Verify that is possible to invoke the execute() method without input', async () => { |
325f50bc | 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 | 91 | it('Verify that tasks queuing is working', async () => { |
d3d4b67d | 92 | const promises = new Set() |
ee9f5295 | 93 | const maxMultiplier = 2 |
594bfb84 | 94 | for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) { |
d3d4b67d | 95 | promises.add(queuePool.execute()) |
594bfb84 | 96 | } |
d3d4b67d | 97 | expect(promises.size).toBe(numberOfWorkers * maxMultiplier) |
594bfb84 JB |
98 | for (const workerNode of queuePool.workerNodes) { |
99 | expect(workerNode.tasksUsage.running).toBeLessThanOrEqual( | |
100 | queuePool.opts.tasksQueueOptions.concurrency | |
101 | ) | |
102 | expect(workerNode.tasksUsage.run).toBe(0) | |
4d8bf9e4 | 103 | expect(workerNode.tasksQueue.size).toBeGreaterThan(0) |
594bfb84 | 104 | } |
d3d4b67d JB |
105 | expect(queuePool.numberOfRunningTasks).toBe(numberOfWorkers) |
106 | expect(queuePool.numberOfQueuedTasks).toBe( | |
107 | numberOfWorkers * maxMultiplier - numberOfWorkers | |
108 | ) | |
594bfb84 JB |
109 | await Promise.all(promises) |
110 | for (const workerNode of queuePool.workerNodes) { | |
111 | expect(workerNode.tasksUsage.running).toBe(0) | |
112 | expect(workerNode.tasksUsage.run).toBeGreaterThan(0) | |
ee9f5295 JB |
113 | expect(workerNode.tasksUsage.run).toBeLessThanOrEqual( |
114 | numberOfWorkers * maxMultiplier | |
115 | ) | |
4d8bf9e4 | 116 | expect(workerNode.tasksQueue.size).toBe(0) |
594bfb84 | 117 | } |
d3d4b67d | 118 | promises.clear() |
594bfb84 JB |
119 | }) |
120 | ||
325f50bc S |
121 | it('Verify that is possible to have a worker that return undefined', async () => { |
122 | const result = await emptyPool.execute() | |
6db75ad9 | 123 | expect(result).toBeUndefined() |
325f50bc S |
124 | }) |
125 | ||
126 | it('Verify that data are sent to the worker correctly', async () => { | |
127 | const data = { f: 10 } | |
128 | const result = await echoPool.execute(data) | |
e1ffb94f | 129 | expect(result).toStrictEqual(data) |
325f50bc S |
130 | }) |
131 | ||
132 | it('Verify that error handling is working properly:sync', async () => { | |
133 | const data = { f: 10 } | |
134 | let inError | |
135 | try { | |
136 | await errorPool.execute(data) | |
137 | } catch (e) { | |
138 | inError = e | |
139 | } | |
140 | expect(inError).toBeDefined() | |
8620fb25 | 141 | expect(typeof inError === 'string').toBe(true) |
325f50bc | 142 | expect(inError).toBe('Error Message from ClusterWorker') |
18482cec JB |
143 | expect( |
144 | errorPool.workerNodes.some( | |
145 | workerNode => workerNode.tasksUsage.error === 1 | |
146 | ) | |
147 | ).toBe(true) | |
325f50bc S |
148 | }) |
149 | ||
150 | it('Verify that error handling is working properly:async', async () => { | |
151 | const data = { f: 10 } | |
152 | let inError | |
153 | try { | |
154 | await asyncErrorPool.execute(data) | |
155 | } catch (e) { | |
156 | inError = e | |
157 | } | |
158 | expect(inError).toBeDefined() | |
8620fb25 | 159 | expect(typeof inError === 'string').toBe(true) |
325f50bc | 160 | expect(inError).toBe('Error Message from ClusterWorker:async') |
18482cec JB |
161 | expect( |
162 | asyncErrorPool.workerNodes.some( | |
163 | workerNode => workerNode.tasksUsage.error === 1 | |
164 | ) | |
165 | ).toBe(true) | |
325f50bc S |
166 | }) |
167 | ||
168 | it('Verify that async function is working properly', async () => { | |
169 | const data = { f: 10 } | |
15e5141f | 170 | const startTime = performance.now() |
325f50bc | 171 | const result = await asyncPool.execute(data) |
15e5141f | 172 | const usedTime = performance.now() - startTime |
e1ffb94f | 173 | expect(result).toStrictEqual(data) |
325f50bc S |
174 | expect(usedTime).toBeGreaterThanOrEqual(2000) |
175 | }) | |
176 | ||
177 | it('Shutdown test', async () => { | |
85a3f8a7 | 178 | const exitPromise = TestUtils.waitExits(pool, numberOfWorkers) |
45dbbb14 | 179 | await pool.destroy() |
bdacc2d2 JB |
180 | const numberOfExitEvents = await exitPromise |
181 | expect(numberOfExitEvents).toBe(numberOfWorkers) | |
325f50bc S |
182 | }) |
183 | ||
1a76932b JB |
184 | it('Verify that cluster pool options are checked', async () => { |
185 | const workerFilePath = './tests/worker-files/cluster/testWorker.js' | |
186 | let pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath) | |
187 | expect(pool1.opts.env).toBeUndefined() | |
188 | expect(pool1.opts.settings).toBeUndefined() | |
189 | await pool1.destroy() | |
190 | pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath, { | |
191 | env: { TEST: 'test' }, | |
192 | settings: { args: ['--use', 'http'], silent: true } | |
193 | }) | |
194 | expect(pool1.opts.env).toStrictEqual({ TEST: 'test' }) | |
195 | expect(pool1.opts.settings).toStrictEqual({ | |
196 | args: ['--use', 'http'], | |
197 | silent: true | |
198 | }) | |
199 | expect({ ...pool1.opts.settings, exec: workerFilePath }).toStrictEqual({ | |
200 | args: ['--use', 'http'], | |
201 | silent: true, | |
202 | exec: workerFilePath | |
203 | }) | |
204 | await pool1.destroy() | |
205 | }) | |
206 | ||
325f50bc S |
207 | it('Should work even without opts in input', async () => { |
208 | const pool1 = new FixedClusterPool( | |
e1ffb94f | 209 | numberOfWorkers, |
76b1e974 | 210 | './tests/worker-files/cluster/testWorker.js' |
325f50bc | 211 | ) |
6db75ad9 JB |
212 | const res = await pool1.execute() |
213 | expect(res).toBe(false) | |
8bc77620 APA |
214 | // We need to clean up the resources after our test |
215 | await pool1.destroy() | |
325f50bc | 216 | }) |
8d3782fa JB |
217 | |
218 | it('Verify that a pool with zero worker fails', async () => { | |
219 | expect( | |
220 | () => | |
221 | new FixedClusterPool(0, './tests/worker-files/cluster/testWorker.js') | |
d4aeae5a | 222 | ).toThrowError('Cannot instantiate a fixed pool with no worker') |
8d3782fa | 223 | }) |
325f50bc | 224 | }) |