Commit | Line | Data |
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a61a0724 | 1 | const { expect } = require('expect') |
cdace0e5 | 2 | const { FixedThreadPool, PoolEvents } = require('../../../lib') |
dbca3be9 | 3 | const { TaskFunctions } = require('../../test-types') |
1dcbfefc | 4 | const { waitPoolEvents, waitWorkerEvents } = require('../../test-utils') |
506c2a14 | 5 | |
079de991 | 6 | describe('Fixed thread pool test suite', () => { |
e1ffb94f | 7 | const numberOfThreads = 6 |
4e377863 | 8 | const tasksConcurrency = 2 |
e1ffb94f JB |
9 | const pool = new FixedThreadPool( |
10 | numberOfThreads, | |
11 | './tests/worker-files/thread/testWorker.js', | |
12 | { | |
8ebe6c30 | 13 | errorHandler: (e) => console.error(e) |
e1ffb94f JB |
14 | } |
15 | ) | |
594bfb84 JB |
16 | const queuePool = new FixedThreadPool( |
17 | numberOfThreads, | |
18 | './tests/worker-files/thread/testWorker.js', | |
19 | { | |
20 | enableTasksQueue: true, | |
21 | tasksQueueOptions: { | |
4e377863 | 22 | concurrency: tasksConcurrency |
594bfb84 | 23 | }, |
8ebe6c30 | 24 | errorHandler: (e) => console.error(e) |
594bfb84 JB |
25 | } |
26 | ) | |
e1ffb94f JB |
27 | const emptyPool = new FixedThreadPool( |
28 | numberOfThreads, | |
29 | './tests/worker-files/thread/emptyWorker.js', | |
73bfd59d | 30 | { exitHandler: () => console.info('empty pool worker exited') } |
e1ffb94f JB |
31 | ) |
32 | const echoPool = new FixedThreadPool( | |
33 | numberOfThreads, | |
34 | './tests/worker-files/thread/echoWorker.js' | |
35 | ) | |
36 | const errorPool = new FixedThreadPool( | |
37 | numberOfThreads, | |
38 | './tests/worker-files/thread/errorWorker.js', | |
39 | { | |
8ebe6c30 | 40 | errorHandler: (e) => console.error(e) |
e1ffb94f JB |
41 | } |
42 | ) | |
43 | const asyncErrorPool = new FixedThreadPool( | |
44 | numberOfThreads, | |
45 | './tests/worker-files/thread/asyncErrorWorker.js', | |
46 | { | |
8ebe6c30 | 47 | errorHandler: (e) => console.error(e) |
e1ffb94f JB |
48 | } |
49 | ) | |
50 | const asyncPool = new FixedThreadPool( | |
51 | numberOfThreads, | |
52 | './tests/worker-files/thread/asyncWorker.js' | |
53 | ) | |
54 | ||
0e2503fc JB |
55 | after('Destroy all pools', async () => { |
56 | // We need to clean up the resources after our test | |
57 | await echoPool.destroy() | |
58 | await asyncPool.destroy() | |
59 | await errorPool.destroy() | |
7c0ba920 | 60 | await asyncErrorPool.destroy() |
0e2503fc | 61 | await emptyPool.destroy() |
594bfb84 | 62 | await queuePool.destroy() |
0e2503fc JB |
63 | }) |
64 | ||
506c2a14 | 65 | it('Verify that the function is executed in a worker thread', async () => { |
6db75ad9 | 66 | let result = await pool.execute({ |
dbca3be9 | 67 | function: TaskFunctions.fibonacci |
6db75ad9 | 68 | }) |
024daf59 | 69 | expect(result).toBe(75025) |
6db75ad9 | 70 | result = await pool.execute({ |
dbca3be9 | 71 | function: TaskFunctions.factorial |
6db75ad9 | 72 | }) |
70a4f5ea | 73 | expect(result).toBe(9.33262154439441e157) |
506c2a14 | 74 | }) |
75 | ||
318d4156 | 76 | it('Verify that is possible to invoke the execute() method without input', async () => { |
106744f7 | 77 | const result = await pool.execute() |
30b963d4 | 78 | expect(result).toStrictEqual({ ok: 1 }) |
106744f7 | 79 | }) |
80 | ||
1dcbfefc | 81 | it("Verify that 'ready' event is emitted", async () => { |
079de991 JB |
82 | const pool1 = new FixedThreadPool( |
83 | numberOfThreads, | |
84 | './tests/worker-files/thread/testWorker.js', | |
85 | { | |
8ebe6c30 | 86 | errorHandler: (e) => console.error(e) |
079de991 JB |
87 | } |
88 | ) | |
89 | let poolReady = 0 | |
66293e7d | 90 | pool1.emitter.on(PoolEvents.ready, () => ++poolReady) |
3e8611a8 | 91 | await waitPoolEvents(pool1, PoolEvents.ready, 1) |
216541b6 JB |
92 | expect(poolReady).toBe(1) |
93 | }) | |
94 | ||
94407def JB |
95 | it("Verify that 'busy' event is emitted", async () => { |
96 | const promises = new Set() | |
7c0ba920 | 97 | let poolBusy = 0 |
aee46736 | 98 | pool.emitter.on(PoolEvents.busy, () => ++poolBusy) |
7c0ba920 | 99 | for (let i = 0; i < numberOfThreads * 2; i++) { |
94407def | 100 | promises.add(pool.execute()) |
7c0ba920 | 101 | } |
94407def | 102 | await Promise.all(promises) |
14916bf9 JB |
103 | // The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers. |
104 | // So in total numberOfThreads + 1 times for a loop submitting up to numberOfThreads * 2 tasks to the fixed pool. | |
105 | expect(poolBusy).toBe(numberOfThreads + 1) | |
7c0ba920 JB |
106 | }) |
107 | ||
594bfb84 | 108 | it('Verify that tasks queuing is working', async () => { |
d3d4b67d | 109 | const promises = new Set() |
4e377863 | 110 | const maxMultiplier = 3 // Must be greater than tasksConcurrency |
594bfb84 | 111 | for (let i = 0; i < numberOfThreads * maxMultiplier; i++) { |
d3d4b67d | 112 | promises.add(queuePool.execute()) |
594bfb84 | 113 | } |
d3d4b67d | 114 | expect(promises.size).toBe(numberOfThreads * maxMultiplier) |
594bfb84 | 115 | for (const workerNode of queuePool.workerNodes) { |
5bb5be17 | 116 | expect(workerNode.usage.tasks.executing).toBeGreaterThanOrEqual(0) |
f59e1027 | 117 | expect(workerNode.usage.tasks.executing).toBeLessThanOrEqual( |
594bfb84 JB |
118 | queuePool.opts.tasksQueueOptions.concurrency |
119 | ) | |
f59e1027 | 120 | expect(workerNode.usage.tasks.executed).toBe(0) |
4e377863 JB |
121 | expect(workerNode.usage.tasks.queued).toBe( |
122 | maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency | |
123 | ) | |
124 | expect(workerNode.usage.tasks.maxQueued).toBe( | |
125 | maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency | |
126 | ) | |
594bfb84 | 127 | } |
4e377863 JB |
128 | expect(queuePool.info.executingTasks).toBe( |
129 | numberOfThreads * queuePool.opts.tasksQueueOptions.concurrency | |
130 | ) | |
6b27d407 | 131 | expect(queuePool.info.queuedTasks).toBe( |
4e377863 JB |
132 | numberOfThreads * |
133 | (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency) | |
6b27d407 JB |
134 | ) |
135 | expect(queuePool.info.maxQueuedTasks).toBe( | |
4e377863 JB |
136 | numberOfThreads * |
137 | (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency) | |
d3d4b67d | 138 | ) |
a1763c54 | 139 | expect(queuePool.info.backPressure).toBe(false) |
594bfb84 JB |
140 | await Promise.all(promises) |
141 | for (const workerNode of queuePool.workerNodes) { | |
a6b3272b JB |
142 | expect(workerNode.usage.tasks.executing).toBeGreaterThanOrEqual(0) |
143 | expect(workerNode.usage.tasks.executing).toBeLessThanOrEqual( | |
144 | numberOfThreads * maxMultiplier | |
145 | ) | |
4e377863 | 146 | expect(workerNode.usage.tasks.executed).toBe(maxMultiplier) |
f59e1027 | 147 | expect(workerNode.usage.tasks.queued).toBe(0) |
4e377863 JB |
148 | expect(workerNode.usage.tasks.maxQueued).toBe( |
149 | maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency | |
150 | ) | |
594bfb84 JB |
151 | } |
152 | }) | |
153 | ||
106744f7 | 154 | it('Verify that is possible to have a worker that return undefined', async () => { |
155 | const result = await emptyPool.execute() | |
6db75ad9 | 156 | expect(result).toBeUndefined() |
106744f7 | 157 | }) |
158 | ||
159 | it('Verify that data are sent to the worker correctly', async () => { | |
160 | const data = { f: 10 } | |
161 | const result = await echoPool.execute(data) | |
e1ffb94f | 162 | expect(result).toStrictEqual(data) |
106744f7 | 163 | }) |
164 | ||
9ea61037 | 165 | it('Verify that transferable objects are sent to the worker correctly', async () => { |
9ea61037 JB |
166 | let error |
167 | let result | |
168 | try { | |
f05314ff JB |
169 | result = await pool.execute(undefined, undefined, [ |
170 | new ArrayBuffer(16), | |
171 | new MessageChannel().port1 | |
172 | ]) | |
9ea61037 JB |
173 | } catch (e) { |
174 | error = e | |
175 | } | |
176 | expect(result).toStrictEqual({ ok: 1 }) | |
177 | expect(error).toBeUndefined() | |
f05314ff JB |
178 | try { |
179 | result = await pool.execute(undefined, undefined, [ | |
180 | new SharedArrayBuffer(16) | |
181 | ]) | |
182 | } catch (e) { | |
183 | error = e | |
184 | } | |
185 | expect(result).toStrictEqual({ ok: 1 }) | |
186 | expect(error).toStrictEqual( | |
187 | new TypeError('Found invalid object in transferList') | |
188 | ) | |
9ea61037 JB |
189 | }) |
190 | ||
7c0ba920 | 191 | it('Verify that error handling is working properly:sync', async () => { |
106744f7 | 192 | const data = { f: 10 } |
d46660cd | 193 | let taskError |
8ebe6c30 | 194 | errorPool.emitter.on(PoolEvents.taskError, (e) => { |
d46660cd JB |
195 | taskError = e |
196 | }) | |
106744f7 | 197 | let inError |
198 | try { | |
199 | await errorPool.execute(data) | |
200 | } catch (e) { | |
201 | inError = e | |
202 | } | |
7c0ba920 JB |
203 | expect(inError).toBeDefined() |
204 | expect(inError).toBeInstanceOf(Error) | |
205 | expect(inError.message).toBeDefined() | |
8620fb25 | 206 | expect(typeof inError.message === 'string').toBe(true) |
985d0e79 JB |
207 | expect(inError.message).toBe('Error Message from ThreadWorker') |
208 | expect(taskError).toStrictEqual({ | |
ff128cc9 | 209 | name: 'default', |
985d0e79 JB |
210 | message: new Error('Error Message from ThreadWorker'), |
211 | data | |
212 | }) | |
18482cec JB |
213 | expect( |
214 | errorPool.workerNodes.some( | |
8ebe6c30 | 215 | (workerNode) => workerNode.usage.tasks.failed === 1 |
18482cec JB |
216 | ) |
217 | ).toBe(true) | |
7c0ba920 JB |
218 | }) |
219 | ||
220 | it('Verify that error handling is working properly:async', async () => { | |
221 | const data = { f: 10 } | |
4f0b85b3 | 222 | let taskError |
8ebe6c30 | 223 | asyncErrorPool.emitter.on(PoolEvents.taskError, (e) => { |
4f0b85b3 JB |
224 | taskError = e |
225 | }) | |
7c0ba920 JB |
226 | let inError |
227 | try { | |
228 | await asyncErrorPool.execute(data) | |
229 | } catch (e) { | |
230 | inError = e | |
231 | } | |
232 | expect(inError).toBeDefined() | |
233 | expect(inError).toBeInstanceOf(Error) | |
234 | expect(inError.message).toBeDefined() | |
8620fb25 | 235 | expect(typeof inError.message === 'string').toBe(true) |
985d0e79 JB |
236 | expect(inError.message).toBe('Error Message from ThreadWorker:async') |
237 | expect(taskError).toStrictEqual({ | |
ff128cc9 | 238 | name: 'default', |
985d0e79 JB |
239 | message: new Error('Error Message from ThreadWorker:async'), |
240 | data | |
241 | }) | |
18482cec JB |
242 | expect( |
243 | asyncErrorPool.workerNodes.some( | |
8ebe6c30 | 244 | (workerNode) => workerNode.usage.tasks.failed === 1 |
18482cec JB |
245 | ) |
246 | ).toBe(true) | |
106744f7 | 247 | }) |
248 | ||
7784f548 | 249 | it('Verify that async function is working properly', async () => { |
250 | const data = { f: 10 } | |
15e5141f | 251 | const startTime = performance.now() |
7784f548 | 252 | const result = await asyncPool.execute(data) |
15e5141f | 253 | const usedTime = performance.now() - startTime |
e1ffb94f | 254 | expect(result).toStrictEqual(data) |
32d490eb | 255 | expect(usedTime).toBeGreaterThanOrEqual(2000) |
7784f548 | 256 | }) |
257 | ||
506c2a14 | 258 | it('Shutdown test', async () => { |
bac873bd | 259 | const exitPromise = waitWorkerEvents(pool, 'exit', numberOfThreads) |
ef3891a3 JB |
260 | let poolDestroy = 0 |
261 | pool.emitter.on(PoolEvents.destroy, () => ++poolDestroy) | |
1f9a5a44 | 262 | await pool.destroy() |
bdacc2d2 JB |
263 | const numberOfExitEvents = await exitPromise |
264 | expect(numberOfExitEvents).toBe(numberOfThreads) | |
ef3891a3 | 265 | expect(poolDestroy).toBe(1) |
506c2a14 | 266 | }) |
267 | ||
90082c8c | 268 | it('Verify that thread pool options are checked', async () => { |
f59e1027 | 269 | const workerFilePath = './tests/worker-files/thread/testWorker.js' |
90082c8c JB |
270 | let pool1 = new FixedThreadPool(numberOfThreads, workerFilePath) |
271 | expect(pool1.opts.workerOptions).toBeUndefined() | |
272 | await pool1.destroy() | |
273 | pool1 = new FixedThreadPool(numberOfThreads, workerFilePath, { | |
274 | workerOptions: { | |
275 | env: { TEST: 'test' }, | |
276 | name: 'test' | |
277 | } | |
278 | }) | |
279 | expect(pool1.opts.workerOptions).toStrictEqual({ | |
280 | env: { TEST: 'test' }, | |
281 | name: 'test' | |
282 | }) | |
283 | await pool1.destroy() | |
284 | }) | |
285 | ||
506c2a14 | 286 | it('Should work even without opts in input', async () => { |
76b1e974 | 287 | const pool1 = new FixedThreadPool( |
e1ffb94f | 288 | numberOfThreads, |
76b1e974 S |
289 | './tests/worker-files/thread/testWorker.js' |
290 | ) | |
6db75ad9 | 291 | const res = await pool1.execute() |
30b963d4 | 292 | expect(res).toStrictEqual({ ok: 1 }) |
0e2503fc JB |
293 | // We need to clean up the resources after our test |
294 | await pool1.destroy() | |
506c2a14 | 295 | }) |
8d3782fa JB |
296 | |
297 | it('Verify that a pool with zero worker fails', async () => { | |
298 | expect( | |
299 | () => new FixedThreadPool(0, './tests/worker-files/thread/testWorker.js') | |
2431bdb4 | 300 | ).toThrowError('Cannot instantiate a fixed pool with zero worker') |
8d3782fa | 301 | }) |
506c2a14 | 302 | }) |