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') |
cc3ab78b | 4 | const { waitWorkerEvents } = require('../../test-utils') |
325f50bc | 5 | |
079de991 | 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 | }) | |
024daf59 | 68 | expect(result).toBe(75025) |
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() |
30b963d4 | 77 | expect(result).toStrictEqual({ ok: 1 }) |
325f50bc S |
78 | }) |
79 | ||
cc3ab78b | 80 | it.skip("Verify that 'ready' event is emitted", async () => { |
079de991 JB |
81 | const pool1 = new FixedClusterPool( |
82 | numberOfWorkers, | |
83 | './tests/worker-files/cluster/testWorker.js', | |
84 | { | |
85 | errorHandler: e => console.error(e) | |
86 | } | |
87 | ) | |
cc3ab78b | 88 | let poolInfo |
079de991 | 89 | let poolReady = 0 |
cc3ab78b JB |
90 | pool1.emitter.on(PoolEvents.ready, info => { |
91 | ++poolReady | |
92 | poolInfo = info | |
93 | }) | |
216541b6 | 94 | expect(poolReady).toBe(1) |
cc3ab78b | 95 | expect(poolInfo).toBeDefined() |
216541b6 JB |
96 | }) |
97 | ||
aee46736 | 98 | it("Verify that 'busy' event is emitted", async () => { |
7c0ba920 | 99 | let poolBusy = 0 |
aee46736 | 100 | pool.emitter.on(PoolEvents.busy, () => ++poolBusy) |
7c0ba920 | 101 | for (let i = 0; i < numberOfWorkers * 2; i++) { |
8cbb82eb | 102 | pool.execute() |
7c0ba920 | 103 | } |
14916bf9 JB |
104 | // The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers. |
105 | // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the fixed pool. | |
106 | expect(poolBusy).toBe(numberOfWorkers + 1) | |
7c0ba920 JB |
107 | }) |
108 | ||
594bfb84 | 109 | it('Verify that tasks queuing is working', async () => { |
d3d4b67d | 110 | const promises = new Set() |
ee9f5295 | 111 | const maxMultiplier = 2 |
594bfb84 | 112 | for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) { |
d3d4b67d | 113 | promises.add(queuePool.execute()) |
594bfb84 | 114 | } |
d3d4b67d | 115 | expect(promises.size).toBe(numberOfWorkers * maxMultiplier) |
594bfb84 | 116 | for (const workerNode of queuePool.workerNodes) { |
f59e1027 | 117 | expect(workerNode.usage.tasks.executing).toBeLessThanOrEqual( |
594bfb84 JB |
118 | queuePool.opts.tasksQueueOptions.concurrency |
119 | ) | |
f59e1027 JB |
120 | expect(workerNode.usage.tasks.executed).toBe(0) |
121 | expect(workerNode.usage.tasks.queued).toBeGreaterThan(0) | |
122 | expect(workerNode.usage.tasks.maxQueued).toBeGreaterThan(0) | |
594bfb84 | 123 | } |
a4e07f72 | 124 | expect(queuePool.info.executingTasks).toBe(numberOfWorkers) |
6b27d407 JB |
125 | expect(queuePool.info.queuedTasks).toBe( |
126 | numberOfWorkers * maxMultiplier - numberOfWorkers | |
127 | ) | |
128 | expect(queuePool.info.maxQueuedTasks).toBe( | |
d3d4b67d JB |
129 | numberOfWorkers * maxMultiplier - numberOfWorkers |
130 | ) | |
594bfb84 JB |
131 | await Promise.all(promises) |
132 | for (const workerNode of queuePool.workerNodes) { | |
f59e1027 JB |
133 | expect(workerNode.usage.tasks.executing).toBe(0) |
134 | expect(workerNode.usage.tasks.executed).toBeGreaterThan(0) | |
135 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual(maxMultiplier) | |
136 | expect(workerNode.usage.tasks.queued).toBe(0) | |
137 | expect(workerNode.usage.tasks.maxQueued).toBe(1) | |
594bfb84 JB |
138 | } |
139 | }) | |
140 | ||
325f50bc S |
141 | it('Verify that is possible to have a worker that return undefined', async () => { |
142 | const result = await emptyPool.execute() | |
6db75ad9 | 143 | expect(result).toBeUndefined() |
325f50bc S |
144 | }) |
145 | ||
146 | it('Verify that data are sent to the worker correctly', async () => { | |
147 | const data = { f: 10 } | |
148 | const result = await echoPool.execute(data) | |
e1ffb94f | 149 | expect(result).toStrictEqual(data) |
325f50bc S |
150 | }) |
151 | ||
152 | it('Verify that error handling is working properly:sync', async () => { | |
153 | const data = { f: 10 } | |
d46660cd JB |
154 | let taskError |
155 | errorPool.emitter.on(PoolEvents.taskError, e => { | |
156 | taskError = e | |
157 | }) | |
325f50bc S |
158 | let inError |
159 | try { | |
160 | await errorPool.execute(data) | |
161 | } catch (e) { | |
162 | inError = e | |
163 | } | |
164 | expect(inError).toBeDefined() | |
8620fb25 | 165 | expect(typeof inError === 'string').toBe(true) |
985d0e79 JB |
166 | expect(inError).toBe('Error Message from ClusterWorker') |
167 | expect(taskError).toStrictEqual({ | |
ff128cc9 | 168 | name: 'default', |
985d0e79 JB |
169 | message: 'Error Message from ClusterWorker', |
170 | data | |
171 | }) | |
18482cec JB |
172 | expect( |
173 | errorPool.workerNodes.some( | |
f59e1027 | 174 | workerNode => workerNode.usage.tasks.failed === 1 |
18482cec JB |
175 | ) |
176 | ).toBe(true) | |
325f50bc S |
177 | }) |
178 | ||
179 | it('Verify that error handling is working properly:async', async () => { | |
180 | const data = { f: 10 } | |
4f0b85b3 JB |
181 | let taskError |
182 | asyncErrorPool.emitter.on(PoolEvents.taskError, e => { | |
183 | taskError = e | |
184 | }) | |
325f50bc S |
185 | let inError |
186 | try { | |
187 | await asyncErrorPool.execute(data) | |
188 | } catch (e) { | |
189 | inError = e | |
190 | } | |
191 | expect(inError).toBeDefined() | |
8620fb25 | 192 | expect(typeof inError === 'string').toBe(true) |
985d0e79 JB |
193 | expect(inError).toBe('Error Message from ClusterWorker:async') |
194 | expect(taskError).toStrictEqual({ | |
ff128cc9 | 195 | name: 'default', |
985d0e79 JB |
196 | message: 'Error Message from ClusterWorker:async', |
197 | data | |
198 | }) | |
18482cec JB |
199 | expect( |
200 | asyncErrorPool.workerNodes.some( | |
f59e1027 | 201 | workerNode => workerNode.usage.tasks.failed === 1 |
18482cec JB |
202 | ) |
203 | ).toBe(true) | |
325f50bc S |
204 | }) |
205 | ||
206 | it('Verify that async function is working properly', async () => { | |
207 | const data = { f: 10 } | |
15e5141f | 208 | const startTime = performance.now() |
325f50bc | 209 | const result = await asyncPool.execute(data) |
15e5141f | 210 | const usedTime = performance.now() - startTime |
e1ffb94f | 211 | expect(result).toStrictEqual(data) |
325f50bc S |
212 | expect(usedTime).toBeGreaterThanOrEqual(2000) |
213 | }) | |
214 | ||
215 | it('Shutdown test', async () => { | |
bac873bd | 216 | const exitPromise = waitWorkerEvents(pool, 'exit', numberOfWorkers) |
45dbbb14 | 217 | await pool.destroy() |
bdacc2d2 JB |
218 | const numberOfExitEvents = await exitPromise |
219 | expect(numberOfExitEvents).toBe(numberOfWorkers) | |
325f50bc S |
220 | }) |
221 | ||
1a76932b JB |
222 | it('Verify that cluster pool options are checked', async () => { |
223 | const workerFilePath = './tests/worker-files/cluster/testWorker.js' | |
224 | let pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath) | |
225 | expect(pool1.opts.env).toBeUndefined() | |
226 | expect(pool1.opts.settings).toBeUndefined() | |
227 | await pool1.destroy() | |
228 | pool1 = new FixedClusterPool(numberOfWorkers, workerFilePath, { | |
229 | env: { TEST: 'test' }, | |
230 | settings: { args: ['--use', 'http'], silent: true } | |
231 | }) | |
232 | expect(pool1.opts.env).toStrictEqual({ TEST: 'test' }) | |
233 | expect(pool1.opts.settings).toStrictEqual({ | |
234 | args: ['--use', 'http'], | |
235 | silent: true | |
236 | }) | |
237 | expect({ ...pool1.opts.settings, exec: workerFilePath }).toStrictEqual({ | |
238 | args: ['--use', 'http'], | |
239 | silent: true, | |
240 | exec: workerFilePath | |
241 | }) | |
242 | await pool1.destroy() | |
243 | }) | |
244 | ||
325f50bc S |
245 | it('Should work even without opts in input', async () => { |
246 | const pool1 = new FixedClusterPool( | |
e1ffb94f | 247 | numberOfWorkers, |
76b1e974 | 248 | './tests/worker-files/cluster/testWorker.js' |
325f50bc | 249 | ) |
6db75ad9 | 250 | const res = await pool1.execute() |
30b963d4 | 251 | expect(res).toStrictEqual({ ok: 1 }) |
8bc77620 APA |
252 | // We need to clean up the resources after our test |
253 | await pool1.destroy() | |
325f50bc | 254 | }) |
8d3782fa JB |
255 | |
256 | it('Verify that a pool with zero worker fails', async () => { | |
257 | expect( | |
258 | () => | |
259 | new FixedClusterPool(0, './tests/worker-files/cluster/testWorker.js') | |
2431bdb4 | 260 | ).toThrowError('Cannot instantiate a fixed pool with zero worker') |
8d3782fa | 261 | }) |
325f50bc | 262 | }) |