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