Commit | Line | Data |
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a61a0724 | 1 | const { expect } = require('expect') |
cdace0e5 | 2 | const { FixedThreadPool, PoolEvents } = require('../../../lib') |
2d2e32c2 | 3 | const { WorkerFunctions } = require('../../test-types') |
85a3f8a7 | 4 | const TestUtils = require('../../test-utils') |
506c2a14 | 5 | |
a35560ba | 6 | describe('Fixed thread pool test suite', () => { |
e1ffb94f JB |
7 | const numberOfThreads = 6 |
8 | const pool = new FixedThreadPool( | |
9 | numberOfThreads, | |
10 | './tests/worker-files/thread/testWorker.js', | |
11 | { | |
12 | errorHandler: e => console.error(e) | |
13 | } | |
14 | ) | |
594bfb84 JB |
15 | const queuePool = new FixedThreadPool( |
16 | numberOfThreads, | |
17 | './tests/worker-files/thread/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 FixedThreadPool( |
27 | numberOfThreads, | |
28 | './tests/worker-files/thread/emptyWorker.js', | |
29 | { exitHandler: () => console.log('empty pool worker exited') } | |
30 | ) | |
31 | const echoPool = new FixedThreadPool( | |
32 | numberOfThreads, | |
33 | './tests/worker-files/thread/echoWorker.js' | |
34 | ) | |
35 | const errorPool = new FixedThreadPool( | |
36 | numberOfThreads, | |
37 | './tests/worker-files/thread/errorWorker.js', | |
38 | { | |
39 | errorHandler: e => console.error(e) | |
40 | } | |
41 | ) | |
42 | const asyncErrorPool = new FixedThreadPool( | |
43 | numberOfThreads, | |
44 | './tests/worker-files/thread/asyncErrorWorker.js', | |
45 | { | |
46 | errorHandler: e => console.error(e) | |
47 | } | |
48 | ) | |
49 | const asyncPool = new FixedThreadPool( | |
50 | numberOfThreads, | |
51 | './tests/worker-files/thread/asyncWorker.js' | |
52 | ) | |
53 | ||
0e2503fc JB |
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() | |
7c0ba920 | 59 | await asyncErrorPool.destroy() |
0e2503fc | 60 | await emptyPool.destroy() |
594bfb84 | 61 | await queuePool.destroy() |
0e2503fc JB |
62 | }) |
63 | ||
506c2a14 | 64 | it('Verify that the function is executed in a worker thread', 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) |
506c2a14 | 73 | }) |
74 | ||
318d4156 | 75 | it('Verify that is possible to invoke the execute() method without input', async () => { |
106744f7 | 76 | const result = await pool.execute() |
6db75ad9 | 77 | expect(result).toBe(false) |
106744f7 | 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 < numberOfThreads * 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 numberOfThreads + 1 times for a loop submitting up to numberOfThreads * 2 tasks to the fixed pool. | |
88 | expect(poolBusy).toBe(numberOfThreads + 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 < numberOfThreads * maxMultiplier; i++) { |
d3d4b67d | 95 | promises.add(queuePool.execute()) |
594bfb84 | 96 | } |
d3d4b67d | 97 | expect(promises.size).toBe(numberOfThreads * maxMultiplier) |
594bfb84 | 98 | for (const workerNode of queuePool.workerNodes) { |
f59e1027 | 99 | expect(workerNode.usage.tasks.executing).toBeLessThanOrEqual( |
594bfb84 JB |
100 | queuePool.opts.tasksQueueOptions.concurrency |
101 | ) | |
f59e1027 JB |
102 | expect(workerNode.usage.tasks.executed).toBe(0) |
103 | expect(workerNode.usage.tasks.queued).toBeGreaterThan(0) | |
104 | expect(workerNode.usage.tasks.maxQueued).toBeGreaterThan(0) | |
594bfb84 | 105 | } |
a4e07f72 | 106 | expect(queuePool.info.executingTasks).toBe(numberOfThreads) |
6b27d407 JB |
107 | expect(queuePool.info.queuedTasks).toBe( |
108 | numberOfThreads * maxMultiplier - numberOfThreads | |
109 | ) | |
110 | expect(queuePool.info.maxQueuedTasks).toBe( | |
d3d4b67d JB |
111 | numberOfThreads * maxMultiplier - numberOfThreads |
112 | ) | |
594bfb84 JB |
113 | await Promise.all(promises) |
114 | for (const workerNode of queuePool.workerNodes) { | |
f59e1027 JB |
115 | expect(workerNode.usage.tasks.executing).toBe(0) |
116 | expect(workerNode.usage.tasks.executed).toBeGreaterThan(0) | |
117 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual(maxMultiplier) | |
118 | expect(workerNode.usage.tasks.queued).toBe(0) | |
119 | expect(workerNode.usage.tasks.maxQueued).toBe(1) | |
594bfb84 JB |
120 | } |
121 | }) | |
122 | ||
106744f7 | 123 | it('Verify that is possible to have a worker that return undefined', async () => { |
124 | const result = await emptyPool.execute() | |
6db75ad9 | 125 | expect(result).toBeUndefined() |
106744f7 | 126 | }) |
127 | ||
128 | it('Verify that data are sent to the worker correctly', async () => { | |
129 | const data = { f: 10 } | |
130 | const result = await echoPool.execute(data) | |
e1ffb94f | 131 | expect(result).toStrictEqual(data) |
106744f7 | 132 | }) |
133 | ||
7c0ba920 | 134 | it('Verify that error handling is working properly:sync', async () => { |
106744f7 | 135 | const data = { f: 10 } |
d46660cd JB |
136 | let taskError |
137 | errorPool.emitter.on(PoolEvents.taskError, e => { | |
138 | taskError = e | |
139 | }) | |
106744f7 | 140 | let inError |
141 | try { | |
142 | await errorPool.execute(data) | |
143 | } catch (e) { | |
144 | inError = e | |
145 | } | |
7c0ba920 JB |
146 | expect(inError).toBeDefined() |
147 | expect(inError).toBeInstanceOf(Error) | |
148 | expect(inError.message).toBeDefined() | |
8620fb25 | 149 | expect(typeof inError.message === 'string').toBe(true) |
0302f8ec | 150 | expect(inError.message).toBe('Error Message from ThreadWorker') |
d46660cd | 151 | expect(taskError).toStrictEqual({ |
82f36766 JB |
152 | message: new Error('Error Message from ThreadWorker'), |
153 | data | |
d46660cd | 154 | }) |
18482cec JB |
155 | expect( |
156 | errorPool.workerNodes.some( | |
f59e1027 | 157 | workerNode => workerNode.usage.tasks.failed === 1 |
18482cec JB |
158 | ) |
159 | ).toBe(true) | |
7c0ba920 JB |
160 | }) |
161 | ||
162 | it('Verify that error handling is working properly:async', async () => { | |
163 | const data = { f: 10 } | |
4f0b85b3 JB |
164 | let taskError |
165 | asyncErrorPool.emitter.on(PoolEvents.taskError, e => { | |
166 | taskError = e | |
167 | }) | |
7c0ba920 JB |
168 | let inError |
169 | try { | |
170 | await asyncErrorPool.execute(data) | |
171 | } catch (e) { | |
172 | inError = e | |
173 | } | |
174 | expect(inError).toBeDefined() | |
175 | expect(inError).toBeInstanceOf(Error) | |
176 | expect(inError.message).toBeDefined() | |
8620fb25 | 177 | expect(typeof inError.message === 'string').toBe(true) |
0302f8ec | 178 | expect(inError.message).toBe('Error Message from ThreadWorker:async') |
4f0b85b3 | 179 | expect(taskError).toStrictEqual({ |
82f36766 JB |
180 | message: new Error('Error Message from ThreadWorker:async'), |
181 | data | |
4f0b85b3 | 182 | }) |
18482cec JB |
183 | expect( |
184 | asyncErrorPool.workerNodes.some( | |
f59e1027 | 185 | workerNode => workerNode.usage.tasks.failed === 1 |
18482cec JB |
186 | ) |
187 | ).toBe(true) | |
106744f7 | 188 | }) |
189 | ||
7784f548 | 190 | it('Verify that async function is working properly', async () => { |
191 | const data = { f: 10 } | |
15e5141f | 192 | const startTime = performance.now() |
7784f548 | 193 | const result = await asyncPool.execute(data) |
15e5141f | 194 | const usedTime = performance.now() - startTime |
e1ffb94f | 195 | expect(result).toStrictEqual(data) |
32d490eb | 196 | expect(usedTime).toBeGreaterThanOrEqual(2000) |
7784f548 | 197 | }) |
198 | ||
506c2a14 | 199 | it('Shutdown test', async () => { |
2c039e43 JB |
200 | const exitPromise = TestUtils.waitWorkerEvents( |
201 | pool, | |
202 | 'exit', | |
203 | numberOfThreads | |
204 | ) | |
1f9a5a44 | 205 | await pool.destroy() |
bdacc2d2 JB |
206 | const numberOfExitEvents = await exitPromise |
207 | expect(numberOfExitEvents).toBe(numberOfThreads) | |
506c2a14 | 208 | }) |
209 | ||
90082c8c | 210 | it('Verify that thread pool options are checked', async () => { |
f59e1027 | 211 | const workerFilePath = './tests/worker-files/thread/testWorker.js' |
90082c8c JB |
212 | let pool1 = new FixedThreadPool(numberOfThreads, workerFilePath) |
213 | expect(pool1.opts.workerOptions).toBeUndefined() | |
214 | await pool1.destroy() | |
215 | pool1 = new FixedThreadPool(numberOfThreads, workerFilePath, { | |
216 | workerOptions: { | |
217 | env: { TEST: 'test' }, | |
218 | name: 'test' | |
219 | } | |
220 | }) | |
221 | expect(pool1.opts.workerOptions).toStrictEqual({ | |
222 | env: { TEST: 'test' }, | |
223 | name: 'test' | |
224 | }) | |
225 | await pool1.destroy() | |
226 | }) | |
227 | ||
506c2a14 | 228 | it('Should work even without opts in input', async () => { |
76b1e974 | 229 | const pool1 = new FixedThreadPool( |
e1ffb94f | 230 | numberOfThreads, |
76b1e974 S |
231 | './tests/worker-files/thread/testWorker.js' |
232 | ) | |
6db75ad9 JB |
233 | const res = await pool1.execute() |
234 | expect(res).toBe(false) | |
0e2503fc JB |
235 | // We need to clean up the resources after our test |
236 | await pool1.destroy() | |
506c2a14 | 237 | }) |
8d3782fa JB |
238 | |
239 | it('Verify that a pool with zero worker fails', async () => { | |
240 | expect( | |
241 | () => new FixedThreadPool(0, './tests/worker-files/thread/testWorker.js') | |
d4aeae5a | 242 | ).toThrowError('Cannot instantiate a fixed pool with no worker') |
8d3782fa | 243 | }) |
506c2a14 | 244 | }) |