| 1 | const { EventEmitter } = require('node:events') |
| 2 | const { expect } = require('expect') |
| 3 | const sinon = require('sinon') |
| 4 | const { |
| 5 | DynamicClusterPool, |
| 6 | DynamicThreadPool, |
| 7 | FixedClusterPool, |
| 8 | FixedThreadPool, |
| 9 | PoolEvents, |
| 10 | PoolTypes, |
| 11 | WorkerChoiceStrategies, |
| 12 | WorkerTypes |
| 13 | } = require('../../../lib') |
| 14 | const { CircularArray } = require('../../../lib/circular-array') |
| 15 | const { Deque } = require('../../../lib/deque') |
| 16 | const { DEFAULT_TASK_NAME } = require('../../../lib/utils') |
| 17 | const { version } = require('../../../package.json') |
| 18 | const { waitPoolEvents } = require('../../test-utils') |
| 19 | const { WorkerNode } = require('../../../lib/pools/worker-node') |
| 20 | |
| 21 | describe('Abstract pool test suite', () => { |
| 22 | const numberOfWorkers = 2 |
| 23 | class StubPoolWithIsMain extends FixedThreadPool { |
| 24 | isMain () { |
| 25 | return false |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | afterEach(() => { |
| 30 | sinon.restore() |
| 31 | }) |
| 32 | |
| 33 | it('Simulate pool creation from a non main thread/process', () => { |
| 34 | expect( |
| 35 | () => |
| 36 | new StubPoolWithIsMain( |
| 37 | numberOfWorkers, |
| 38 | './tests/worker-files/thread/testWorker.js', |
| 39 | { |
| 40 | errorHandler: e => console.error(e) |
| 41 | } |
| 42 | ) |
| 43 | ).toThrowError( |
| 44 | new Error( |
| 45 | 'Cannot start a pool from a worker with the same type as the pool' |
| 46 | ) |
| 47 | ) |
| 48 | }) |
| 49 | |
| 50 | it('Verify that pool statuses properties are set', async () => { |
| 51 | const pool = new FixedThreadPool( |
| 52 | numberOfWorkers, |
| 53 | './tests/worker-files/thread/testWorker.js' |
| 54 | ) |
| 55 | expect(pool.starting).toBe(false) |
| 56 | expect(pool.started).toBe(true) |
| 57 | await pool.destroy() |
| 58 | }) |
| 59 | |
| 60 | it('Verify that filePath is checked', () => { |
| 61 | const expectedError = new Error( |
| 62 | 'Please specify a file with a worker implementation' |
| 63 | ) |
| 64 | expect(() => new FixedThreadPool(numberOfWorkers)).toThrowError( |
| 65 | expectedError |
| 66 | ) |
| 67 | expect(() => new FixedThreadPool(numberOfWorkers, '')).toThrowError( |
| 68 | expectedError |
| 69 | ) |
| 70 | expect(() => new FixedThreadPool(numberOfWorkers, 0)).toThrowError( |
| 71 | expectedError |
| 72 | ) |
| 73 | expect(() => new FixedThreadPool(numberOfWorkers, true)).toThrowError( |
| 74 | expectedError |
| 75 | ) |
| 76 | expect( |
| 77 | () => new FixedThreadPool(numberOfWorkers, './dummyWorker.ts') |
| 78 | ).toThrowError(new Error("Cannot find the worker file './dummyWorker.ts'")) |
| 79 | }) |
| 80 | |
| 81 | it('Verify that numberOfWorkers is checked', () => { |
| 82 | expect(() => new FixedThreadPool()).toThrowError( |
| 83 | new Error( |
| 84 | 'Cannot instantiate a pool without specifying the number of workers' |
| 85 | ) |
| 86 | ) |
| 87 | }) |
| 88 | |
| 89 | it('Verify that a negative number of workers is checked', () => { |
| 90 | expect( |
| 91 | () => |
| 92 | new FixedClusterPool(-1, './tests/worker-files/cluster/testWorker.js') |
| 93 | ).toThrowError( |
| 94 | new RangeError( |
| 95 | 'Cannot instantiate a pool with a negative number of workers' |
| 96 | ) |
| 97 | ) |
| 98 | }) |
| 99 | |
| 100 | it('Verify that a non integer number of workers is checked', () => { |
| 101 | expect( |
| 102 | () => |
| 103 | new FixedThreadPool(0.25, './tests/worker-files/thread/testWorker.js') |
| 104 | ).toThrowError( |
| 105 | new TypeError( |
| 106 | 'Cannot instantiate a pool with a non safe integer number of workers' |
| 107 | ) |
| 108 | ) |
| 109 | }) |
| 110 | |
| 111 | it('Verify that dynamic pool sizing is checked', () => { |
| 112 | expect( |
| 113 | () => |
| 114 | new DynamicClusterPool( |
| 115 | 1, |
| 116 | undefined, |
| 117 | './tests/worker-files/cluster/testWorker.js' |
| 118 | ) |
| 119 | ).toThrowError( |
| 120 | new TypeError( |
| 121 | 'Cannot instantiate a dynamic pool without specifying the maximum pool size' |
| 122 | ) |
| 123 | ) |
| 124 | expect( |
| 125 | () => |
| 126 | new DynamicThreadPool( |
| 127 | 0.5, |
| 128 | 1, |
| 129 | './tests/worker-files/thread/testWorker.js' |
| 130 | ) |
| 131 | ).toThrowError( |
| 132 | new TypeError( |
| 133 | 'Cannot instantiate a pool with a non safe integer number of workers' |
| 134 | ) |
| 135 | ) |
| 136 | expect( |
| 137 | () => |
| 138 | new DynamicClusterPool( |
| 139 | 0, |
| 140 | 0.5, |
| 141 | './tests/worker-files/cluster/testWorker.js' |
| 142 | ) |
| 143 | ).toThrowError( |
| 144 | new TypeError( |
| 145 | 'Cannot instantiate a dynamic pool with a non safe integer maximum pool size' |
| 146 | ) |
| 147 | ) |
| 148 | expect( |
| 149 | () => |
| 150 | new DynamicThreadPool(2, 1, './tests/worker-files/thread/testWorker.js') |
| 151 | ).toThrowError( |
| 152 | new RangeError( |
| 153 | 'Cannot instantiate a dynamic pool with a maximum pool size inferior to the minimum pool size' |
| 154 | ) |
| 155 | ) |
| 156 | expect( |
| 157 | () => |
| 158 | new DynamicThreadPool(0, 0, './tests/worker-files/thread/testWorker.js') |
| 159 | ).toThrowError( |
| 160 | new RangeError( |
| 161 | 'Cannot instantiate a dynamic pool with a maximum pool size equal to zero' |
| 162 | ) |
| 163 | ) |
| 164 | expect( |
| 165 | () => |
| 166 | new DynamicClusterPool( |
| 167 | 1, |
| 168 | 1, |
| 169 | './tests/worker-files/cluster/testWorker.js' |
| 170 | ) |
| 171 | ).toThrowError( |
| 172 | new RangeError( |
| 173 | 'Cannot instantiate a dynamic pool with a minimum pool size equal to the maximum pool size. Use a fixed pool instead' |
| 174 | ) |
| 175 | ) |
| 176 | }) |
| 177 | |
| 178 | it('Verify that pool options are checked', async () => { |
| 179 | let pool = new FixedThreadPool( |
| 180 | numberOfWorkers, |
| 181 | './tests/worker-files/thread/testWorker.js' |
| 182 | ) |
| 183 | expect(pool.emitter).toBeInstanceOf(EventEmitter) |
| 184 | expect(pool.opts).toStrictEqual({ |
| 185 | startWorkers: true, |
| 186 | enableEvents: true, |
| 187 | restartWorkerOnError: true, |
| 188 | enableTasksQueue: false, |
| 189 | workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN, |
| 190 | workerChoiceStrategyOptions: { |
| 191 | retries: 6, |
| 192 | runTime: { median: false }, |
| 193 | waitTime: { median: false }, |
| 194 | elu: { median: false } |
| 195 | } |
| 196 | }) |
| 197 | expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({ |
| 198 | retries: 6, |
| 199 | runTime: { median: false }, |
| 200 | waitTime: { median: false }, |
| 201 | elu: { median: false } |
| 202 | }) |
| 203 | for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext |
| 204 | .workerChoiceStrategies) { |
| 205 | expect(workerChoiceStrategy.opts).toStrictEqual({ |
| 206 | retries: 6, |
| 207 | runTime: { median: false }, |
| 208 | waitTime: { median: false }, |
| 209 | elu: { median: false } |
| 210 | }) |
| 211 | } |
| 212 | await pool.destroy() |
| 213 | const testHandler = () => console.info('test handler executed') |
| 214 | pool = new FixedThreadPool( |
| 215 | numberOfWorkers, |
| 216 | './tests/worker-files/thread/testWorker.js', |
| 217 | { |
| 218 | workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED, |
| 219 | workerChoiceStrategyOptions: { |
| 220 | runTime: { median: true }, |
| 221 | weights: { 0: 300, 1: 200 } |
| 222 | }, |
| 223 | enableEvents: false, |
| 224 | restartWorkerOnError: false, |
| 225 | enableTasksQueue: true, |
| 226 | tasksQueueOptions: { concurrency: 2 }, |
| 227 | messageHandler: testHandler, |
| 228 | errorHandler: testHandler, |
| 229 | onlineHandler: testHandler, |
| 230 | exitHandler: testHandler |
| 231 | } |
| 232 | ) |
| 233 | expect(pool.emitter).toBeUndefined() |
| 234 | expect(pool.opts).toStrictEqual({ |
| 235 | startWorkers: true, |
| 236 | enableEvents: false, |
| 237 | restartWorkerOnError: false, |
| 238 | enableTasksQueue: true, |
| 239 | tasksQueueOptions: { |
| 240 | concurrency: 2, |
| 241 | size: 4, |
| 242 | taskStealing: true, |
| 243 | tasksStealingOnBackPressure: true |
| 244 | }, |
| 245 | workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED, |
| 246 | workerChoiceStrategyOptions: { |
| 247 | retries: 6, |
| 248 | runTime: { median: true }, |
| 249 | waitTime: { median: false }, |
| 250 | elu: { median: false }, |
| 251 | weights: { 0: 300, 1: 200 } |
| 252 | }, |
| 253 | onlineHandler: testHandler, |
| 254 | messageHandler: testHandler, |
| 255 | errorHandler: testHandler, |
| 256 | exitHandler: testHandler |
| 257 | }) |
| 258 | expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({ |
| 259 | retries: 6, |
| 260 | runTime: { median: true }, |
| 261 | waitTime: { median: false }, |
| 262 | elu: { median: false }, |
| 263 | weights: { 0: 300, 1: 200 } |
| 264 | }) |
| 265 | for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext |
| 266 | .workerChoiceStrategies) { |
| 267 | expect(workerChoiceStrategy.opts).toStrictEqual({ |
| 268 | retries: 6, |
| 269 | runTime: { median: true }, |
| 270 | waitTime: { median: false }, |
| 271 | elu: { median: false }, |
| 272 | weights: { 0: 300, 1: 200 } |
| 273 | }) |
| 274 | } |
| 275 | await pool.destroy() |
| 276 | }) |
| 277 | |
| 278 | it('Verify that pool options are validated', async () => { |
| 279 | expect( |
| 280 | () => |
| 281 | new FixedThreadPool( |
| 282 | numberOfWorkers, |
| 283 | './tests/worker-files/thread/testWorker.js', |
| 284 | { |
| 285 | workerChoiceStrategy: 'invalidStrategy' |
| 286 | } |
| 287 | ) |
| 288 | ).toThrowError( |
| 289 | new Error("Invalid worker choice strategy 'invalidStrategy'") |
| 290 | ) |
| 291 | expect( |
| 292 | () => |
| 293 | new FixedThreadPool( |
| 294 | numberOfWorkers, |
| 295 | './tests/worker-files/thread/testWorker.js', |
| 296 | { |
| 297 | workerChoiceStrategyOptions: { |
| 298 | retries: 'invalidChoiceRetries' |
| 299 | } |
| 300 | } |
| 301 | ) |
| 302 | ).toThrowError( |
| 303 | new TypeError( |
| 304 | 'Invalid worker choice strategy options: retries must be an integer' |
| 305 | ) |
| 306 | ) |
| 307 | expect( |
| 308 | () => |
| 309 | new FixedThreadPool( |
| 310 | numberOfWorkers, |
| 311 | './tests/worker-files/thread/testWorker.js', |
| 312 | { |
| 313 | workerChoiceStrategyOptions: { |
| 314 | retries: -1 |
| 315 | } |
| 316 | } |
| 317 | ) |
| 318 | ).toThrowError( |
| 319 | new RangeError( |
| 320 | "Invalid worker choice strategy options: retries '-1' must be greater or equal than zero" |
| 321 | ) |
| 322 | ) |
| 323 | expect( |
| 324 | () => |
| 325 | new FixedThreadPool( |
| 326 | numberOfWorkers, |
| 327 | './tests/worker-files/thread/testWorker.js', |
| 328 | { |
| 329 | workerChoiceStrategyOptions: { weights: {} } |
| 330 | } |
| 331 | ) |
| 332 | ).toThrowError( |
| 333 | new Error( |
| 334 | 'Invalid worker choice strategy options: must have a weight for each worker node' |
| 335 | ) |
| 336 | ) |
| 337 | expect( |
| 338 | () => |
| 339 | new FixedThreadPool( |
| 340 | numberOfWorkers, |
| 341 | './tests/worker-files/thread/testWorker.js', |
| 342 | { |
| 343 | workerChoiceStrategyOptions: { measurement: 'invalidMeasurement' } |
| 344 | } |
| 345 | ) |
| 346 | ).toThrowError( |
| 347 | new Error( |
| 348 | "Invalid worker choice strategy options: invalid measurement 'invalidMeasurement'" |
| 349 | ) |
| 350 | ) |
| 351 | expect( |
| 352 | () => |
| 353 | new FixedThreadPool( |
| 354 | numberOfWorkers, |
| 355 | './tests/worker-files/thread/testWorker.js', |
| 356 | { |
| 357 | enableTasksQueue: true, |
| 358 | tasksQueueOptions: 'invalidTasksQueueOptions' |
| 359 | } |
| 360 | ) |
| 361 | ).toThrowError( |
| 362 | new TypeError('Invalid tasks queue options: must be a plain object') |
| 363 | ) |
| 364 | expect( |
| 365 | () => |
| 366 | new FixedThreadPool( |
| 367 | numberOfWorkers, |
| 368 | './tests/worker-files/thread/testWorker.js', |
| 369 | { |
| 370 | enableTasksQueue: true, |
| 371 | tasksQueueOptions: { concurrency: 0 } |
| 372 | } |
| 373 | ) |
| 374 | ).toThrowError( |
| 375 | new RangeError( |
| 376 | 'Invalid worker node tasks concurrency: 0 is a negative integer or zero' |
| 377 | ) |
| 378 | ) |
| 379 | expect( |
| 380 | () => |
| 381 | new FixedThreadPool( |
| 382 | numberOfWorkers, |
| 383 | './tests/worker-files/thread/testWorker.js', |
| 384 | { |
| 385 | enableTasksQueue: true, |
| 386 | tasksQueueOptions: { concurrency: -1 } |
| 387 | } |
| 388 | ) |
| 389 | ).toThrowError( |
| 390 | new RangeError( |
| 391 | 'Invalid worker node tasks concurrency: -1 is a negative integer or zero' |
| 392 | ) |
| 393 | ) |
| 394 | expect( |
| 395 | () => |
| 396 | new FixedThreadPool( |
| 397 | numberOfWorkers, |
| 398 | './tests/worker-files/thread/testWorker.js', |
| 399 | { |
| 400 | enableTasksQueue: true, |
| 401 | tasksQueueOptions: { concurrency: 0.2 } |
| 402 | } |
| 403 | ) |
| 404 | ).toThrowError( |
| 405 | new TypeError('Invalid worker node tasks concurrency: must be an integer') |
| 406 | ) |
| 407 | expect( |
| 408 | () => |
| 409 | new FixedThreadPool( |
| 410 | numberOfWorkers, |
| 411 | './tests/worker-files/thread/testWorker.js', |
| 412 | { |
| 413 | enableTasksQueue: true, |
| 414 | tasksQueueOptions: { size: 0 } |
| 415 | } |
| 416 | ) |
| 417 | ).toThrowError( |
| 418 | new RangeError( |
| 419 | 'Invalid worker node tasks queue size: 0 is a negative integer or zero' |
| 420 | ) |
| 421 | ) |
| 422 | expect( |
| 423 | () => |
| 424 | new FixedThreadPool( |
| 425 | numberOfWorkers, |
| 426 | './tests/worker-files/thread/testWorker.js', |
| 427 | { |
| 428 | enableTasksQueue: true, |
| 429 | tasksQueueOptions: { size: -1 } |
| 430 | } |
| 431 | ) |
| 432 | ).toThrowError( |
| 433 | new RangeError( |
| 434 | 'Invalid worker node tasks queue size: -1 is a negative integer or zero' |
| 435 | ) |
| 436 | ) |
| 437 | expect( |
| 438 | () => |
| 439 | new FixedThreadPool( |
| 440 | numberOfWorkers, |
| 441 | './tests/worker-files/thread/testWorker.js', |
| 442 | { |
| 443 | enableTasksQueue: true, |
| 444 | tasksQueueOptions: { size: 0.2 } |
| 445 | } |
| 446 | ) |
| 447 | ).toThrowError( |
| 448 | new TypeError('Invalid worker node tasks queue size: must be an integer') |
| 449 | ) |
| 450 | }) |
| 451 | |
| 452 | it('Verify that pool worker choice strategy options can be set', async () => { |
| 453 | const pool = new FixedThreadPool( |
| 454 | numberOfWorkers, |
| 455 | './tests/worker-files/thread/testWorker.js', |
| 456 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 457 | ) |
| 458 | expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ |
| 459 | retries: 6, |
| 460 | runTime: { median: false }, |
| 461 | waitTime: { median: false }, |
| 462 | elu: { median: false } |
| 463 | }) |
| 464 | expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({ |
| 465 | retries: 6, |
| 466 | runTime: { median: false }, |
| 467 | waitTime: { median: false }, |
| 468 | elu: { median: false } |
| 469 | }) |
| 470 | for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext |
| 471 | .workerChoiceStrategies) { |
| 472 | expect(workerChoiceStrategy.opts).toStrictEqual({ |
| 473 | retries: 6, |
| 474 | runTime: { median: false }, |
| 475 | waitTime: { median: false }, |
| 476 | elu: { median: false } |
| 477 | }) |
| 478 | } |
| 479 | expect( |
| 480 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 481 | ).toStrictEqual({ |
| 482 | runTime: { |
| 483 | aggregate: true, |
| 484 | average: true, |
| 485 | median: false |
| 486 | }, |
| 487 | waitTime: { |
| 488 | aggregate: false, |
| 489 | average: false, |
| 490 | median: false |
| 491 | }, |
| 492 | elu: { |
| 493 | aggregate: true, |
| 494 | average: true, |
| 495 | median: false |
| 496 | } |
| 497 | }) |
| 498 | pool.setWorkerChoiceStrategyOptions({ |
| 499 | runTime: { median: true }, |
| 500 | elu: { median: true } |
| 501 | }) |
| 502 | expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ |
| 503 | retries: 6, |
| 504 | runTime: { median: true }, |
| 505 | waitTime: { median: false }, |
| 506 | elu: { median: true } |
| 507 | }) |
| 508 | expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({ |
| 509 | retries: 6, |
| 510 | runTime: { median: true }, |
| 511 | waitTime: { median: false }, |
| 512 | elu: { median: true } |
| 513 | }) |
| 514 | for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext |
| 515 | .workerChoiceStrategies) { |
| 516 | expect(workerChoiceStrategy.opts).toStrictEqual({ |
| 517 | retries: 6, |
| 518 | runTime: { median: true }, |
| 519 | waitTime: { median: false }, |
| 520 | elu: { median: true } |
| 521 | }) |
| 522 | } |
| 523 | expect( |
| 524 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 525 | ).toStrictEqual({ |
| 526 | runTime: { |
| 527 | aggregate: true, |
| 528 | average: false, |
| 529 | median: true |
| 530 | }, |
| 531 | waitTime: { |
| 532 | aggregate: false, |
| 533 | average: false, |
| 534 | median: false |
| 535 | }, |
| 536 | elu: { |
| 537 | aggregate: true, |
| 538 | average: false, |
| 539 | median: true |
| 540 | } |
| 541 | }) |
| 542 | pool.setWorkerChoiceStrategyOptions({ |
| 543 | runTime: { median: false }, |
| 544 | elu: { median: false } |
| 545 | }) |
| 546 | expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({ |
| 547 | retries: 6, |
| 548 | runTime: { median: false }, |
| 549 | waitTime: { median: false }, |
| 550 | elu: { median: false } |
| 551 | }) |
| 552 | expect(pool.workerChoiceStrategyContext.opts).toStrictEqual({ |
| 553 | retries: 6, |
| 554 | runTime: { median: false }, |
| 555 | waitTime: { median: false }, |
| 556 | elu: { median: false } |
| 557 | }) |
| 558 | for (const [, workerChoiceStrategy] of pool.workerChoiceStrategyContext |
| 559 | .workerChoiceStrategies) { |
| 560 | expect(workerChoiceStrategy.opts).toStrictEqual({ |
| 561 | retries: 6, |
| 562 | runTime: { median: false }, |
| 563 | waitTime: { median: false }, |
| 564 | elu: { median: false } |
| 565 | }) |
| 566 | } |
| 567 | expect( |
| 568 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 569 | ).toStrictEqual({ |
| 570 | runTime: { |
| 571 | aggregate: true, |
| 572 | average: true, |
| 573 | median: false |
| 574 | }, |
| 575 | waitTime: { |
| 576 | aggregate: false, |
| 577 | average: false, |
| 578 | median: false |
| 579 | }, |
| 580 | elu: { |
| 581 | aggregate: true, |
| 582 | average: true, |
| 583 | median: false |
| 584 | } |
| 585 | }) |
| 586 | expect(() => |
| 587 | pool.setWorkerChoiceStrategyOptions('invalidWorkerChoiceStrategyOptions') |
| 588 | ).toThrowError( |
| 589 | new TypeError( |
| 590 | 'Invalid worker choice strategy options: must be a plain object' |
| 591 | ) |
| 592 | ) |
| 593 | expect(() => |
| 594 | pool.setWorkerChoiceStrategyOptions({ |
| 595 | retries: 'invalidChoiceRetries' |
| 596 | }) |
| 597 | ).toThrowError( |
| 598 | new TypeError( |
| 599 | 'Invalid worker choice strategy options: retries must be an integer' |
| 600 | ) |
| 601 | ) |
| 602 | expect(() => |
| 603 | pool.setWorkerChoiceStrategyOptions({ retries: -1 }) |
| 604 | ).toThrowError( |
| 605 | new RangeError( |
| 606 | "Invalid worker choice strategy options: retries '-1' must be greater or equal than zero" |
| 607 | ) |
| 608 | ) |
| 609 | expect(() => |
| 610 | pool.setWorkerChoiceStrategyOptions({ weights: {} }) |
| 611 | ).toThrowError( |
| 612 | new Error( |
| 613 | 'Invalid worker choice strategy options: must have a weight for each worker node' |
| 614 | ) |
| 615 | ) |
| 616 | expect(() => |
| 617 | pool.setWorkerChoiceStrategyOptions({ measurement: 'invalidMeasurement' }) |
| 618 | ).toThrowError( |
| 619 | new Error( |
| 620 | "Invalid worker choice strategy options: invalid measurement 'invalidMeasurement'" |
| 621 | ) |
| 622 | ) |
| 623 | await pool.destroy() |
| 624 | }) |
| 625 | |
| 626 | it('Verify that pool tasks queue can be enabled/disabled', async () => { |
| 627 | const pool = new FixedThreadPool( |
| 628 | numberOfWorkers, |
| 629 | './tests/worker-files/thread/testWorker.js' |
| 630 | ) |
| 631 | expect(pool.opts.enableTasksQueue).toBe(false) |
| 632 | expect(pool.opts.tasksQueueOptions).toBeUndefined() |
| 633 | for (const workerNode of pool.workerNodes) { |
| 634 | expect(workerNode.onEmptyQueue).toBeUndefined() |
| 635 | expect(workerNode.onBackPressure).toBeUndefined() |
| 636 | } |
| 637 | pool.enableTasksQueue(true) |
| 638 | expect(pool.opts.enableTasksQueue).toBe(true) |
| 639 | expect(pool.opts.tasksQueueOptions).toStrictEqual({ |
| 640 | concurrency: 1, |
| 641 | size: 4, |
| 642 | taskStealing: true, |
| 643 | tasksStealingOnBackPressure: true |
| 644 | }) |
| 645 | for (const workerNode of pool.workerNodes) { |
| 646 | expect(workerNode.onEmptyQueue).toBeInstanceOf(Function) |
| 647 | expect(workerNode.onBackPressure).toBeInstanceOf(Function) |
| 648 | } |
| 649 | pool.enableTasksQueue(true, { concurrency: 2 }) |
| 650 | expect(pool.opts.enableTasksQueue).toBe(true) |
| 651 | expect(pool.opts.tasksQueueOptions).toStrictEqual({ |
| 652 | concurrency: 2, |
| 653 | size: 4, |
| 654 | taskStealing: true, |
| 655 | tasksStealingOnBackPressure: true |
| 656 | }) |
| 657 | for (const workerNode of pool.workerNodes) { |
| 658 | expect(workerNode.onEmptyQueue).toBeInstanceOf(Function) |
| 659 | expect(workerNode.onBackPressure).toBeInstanceOf(Function) |
| 660 | } |
| 661 | pool.enableTasksQueue(false) |
| 662 | expect(pool.opts.enableTasksQueue).toBe(false) |
| 663 | expect(pool.opts.tasksQueueOptions).toBeUndefined() |
| 664 | for (const workerNode of pool.workerNodes) { |
| 665 | expect(workerNode.onEmptyQueue).toBeUndefined() |
| 666 | expect(workerNode.onBackPressure).toBeUndefined() |
| 667 | } |
| 668 | await pool.destroy() |
| 669 | }) |
| 670 | |
| 671 | it('Verify that pool tasks queue options can be set', async () => { |
| 672 | const pool = new FixedThreadPool( |
| 673 | numberOfWorkers, |
| 674 | './tests/worker-files/thread/testWorker.js', |
| 675 | { enableTasksQueue: true } |
| 676 | ) |
| 677 | expect(pool.opts.tasksQueueOptions).toStrictEqual({ |
| 678 | concurrency: 1, |
| 679 | size: 4, |
| 680 | taskStealing: true, |
| 681 | tasksStealingOnBackPressure: true |
| 682 | }) |
| 683 | for (const workerNode of pool.workerNodes) { |
| 684 | expect(workerNode.onEmptyQueue).toBeInstanceOf(Function) |
| 685 | expect(workerNode.onBackPressure).toBeInstanceOf(Function) |
| 686 | } |
| 687 | pool.setTasksQueueOptions({ |
| 688 | concurrency: 2, |
| 689 | taskStealing: false, |
| 690 | tasksStealingOnBackPressure: false |
| 691 | }) |
| 692 | expect(pool.opts.tasksQueueOptions).toStrictEqual({ |
| 693 | concurrency: 2, |
| 694 | size: 4, |
| 695 | taskStealing: false, |
| 696 | tasksStealingOnBackPressure: false |
| 697 | }) |
| 698 | for (const workerNode of pool.workerNodes) { |
| 699 | expect(workerNode.onEmptyQueue).toBeUndefined() |
| 700 | expect(workerNode.onBackPressure).toBeUndefined() |
| 701 | } |
| 702 | pool.setTasksQueueOptions({ |
| 703 | concurrency: 1, |
| 704 | taskStealing: true, |
| 705 | tasksStealingOnBackPressure: true |
| 706 | }) |
| 707 | expect(pool.opts.tasksQueueOptions).toStrictEqual({ |
| 708 | concurrency: 1, |
| 709 | size: 4, |
| 710 | taskStealing: true, |
| 711 | tasksStealingOnBackPressure: true |
| 712 | }) |
| 713 | for (const workerNode of pool.workerNodes) { |
| 714 | expect(workerNode.onEmptyQueue).toBeInstanceOf(Function) |
| 715 | expect(workerNode.onBackPressure).toBeInstanceOf(Function) |
| 716 | } |
| 717 | expect(() => |
| 718 | pool.setTasksQueueOptions('invalidTasksQueueOptions') |
| 719 | ).toThrowError( |
| 720 | new TypeError('Invalid tasks queue options: must be a plain object') |
| 721 | ) |
| 722 | expect(() => pool.setTasksQueueOptions({ concurrency: 0 })).toThrowError( |
| 723 | new RangeError( |
| 724 | 'Invalid worker node tasks concurrency: 0 is a negative integer or zero' |
| 725 | ) |
| 726 | ) |
| 727 | expect(() => pool.setTasksQueueOptions({ concurrency: -1 })).toThrowError( |
| 728 | new RangeError( |
| 729 | 'Invalid worker node tasks concurrency: -1 is a negative integer or zero' |
| 730 | ) |
| 731 | ) |
| 732 | expect(() => pool.setTasksQueueOptions({ concurrency: 0.2 })).toThrowError( |
| 733 | new TypeError('Invalid worker node tasks concurrency: must be an integer') |
| 734 | ) |
| 735 | expect(() => pool.setTasksQueueOptions({ size: 0 })).toThrowError( |
| 736 | new RangeError( |
| 737 | 'Invalid worker node tasks queue size: 0 is a negative integer or zero' |
| 738 | ) |
| 739 | ) |
| 740 | expect(() => pool.setTasksQueueOptions({ size: -1 })).toThrowError( |
| 741 | new RangeError( |
| 742 | 'Invalid worker node tasks queue size: -1 is a negative integer or zero' |
| 743 | ) |
| 744 | ) |
| 745 | expect(() => pool.setTasksQueueOptions({ size: 0.2 })).toThrowError( |
| 746 | new TypeError('Invalid worker node tasks queue size: must be an integer') |
| 747 | ) |
| 748 | await pool.destroy() |
| 749 | }) |
| 750 | |
| 751 | it('Verify that pool info is set', async () => { |
| 752 | let pool = new FixedThreadPool( |
| 753 | numberOfWorkers, |
| 754 | './tests/worker-files/thread/testWorker.js' |
| 755 | ) |
| 756 | expect(pool.info).toStrictEqual({ |
| 757 | version, |
| 758 | type: PoolTypes.fixed, |
| 759 | worker: WorkerTypes.thread, |
| 760 | started: true, |
| 761 | ready: true, |
| 762 | strategy: WorkerChoiceStrategies.ROUND_ROBIN, |
| 763 | minSize: numberOfWorkers, |
| 764 | maxSize: numberOfWorkers, |
| 765 | workerNodes: numberOfWorkers, |
| 766 | idleWorkerNodes: numberOfWorkers, |
| 767 | busyWorkerNodes: 0, |
| 768 | executedTasks: 0, |
| 769 | executingTasks: 0, |
| 770 | failedTasks: 0 |
| 771 | }) |
| 772 | await pool.destroy() |
| 773 | pool = new DynamicClusterPool( |
| 774 | Math.floor(numberOfWorkers / 2), |
| 775 | numberOfWorkers, |
| 776 | './tests/worker-files/cluster/testWorker.js' |
| 777 | ) |
| 778 | expect(pool.info).toStrictEqual({ |
| 779 | version, |
| 780 | type: PoolTypes.dynamic, |
| 781 | worker: WorkerTypes.cluster, |
| 782 | started: true, |
| 783 | ready: true, |
| 784 | strategy: WorkerChoiceStrategies.ROUND_ROBIN, |
| 785 | minSize: Math.floor(numberOfWorkers / 2), |
| 786 | maxSize: numberOfWorkers, |
| 787 | workerNodes: Math.floor(numberOfWorkers / 2), |
| 788 | idleWorkerNodes: Math.floor(numberOfWorkers / 2), |
| 789 | busyWorkerNodes: 0, |
| 790 | executedTasks: 0, |
| 791 | executingTasks: 0, |
| 792 | failedTasks: 0 |
| 793 | }) |
| 794 | await pool.destroy() |
| 795 | }) |
| 796 | |
| 797 | it('Verify that pool worker tasks usage are initialized', async () => { |
| 798 | const pool = new FixedClusterPool( |
| 799 | numberOfWorkers, |
| 800 | './tests/worker-files/cluster/testWorker.js' |
| 801 | ) |
| 802 | for (const workerNode of pool.workerNodes) { |
| 803 | expect(workerNode).toBeInstanceOf(WorkerNode) |
| 804 | expect(workerNode.usage).toStrictEqual({ |
| 805 | tasks: { |
| 806 | executed: 0, |
| 807 | executing: 0, |
| 808 | queued: 0, |
| 809 | maxQueued: 0, |
| 810 | stolen: 0, |
| 811 | failed: 0 |
| 812 | }, |
| 813 | runTime: { |
| 814 | history: new CircularArray() |
| 815 | }, |
| 816 | waitTime: { |
| 817 | history: new CircularArray() |
| 818 | }, |
| 819 | elu: { |
| 820 | idle: { |
| 821 | history: new CircularArray() |
| 822 | }, |
| 823 | active: { |
| 824 | history: new CircularArray() |
| 825 | } |
| 826 | } |
| 827 | }) |
| 828 | } |
| 829 | await pool.destroy() |
| 830 | }) |
| 831 | |
| 832 | it('Verify that pool worker tasks queue are initialized', async () => { |
| 833 | let pool = new FixedClusterPool( |
| 834 | numberOfWorkers, |
| 835 | './tests/worker-files/cluster/testWorker.js' |
| 836 | ) |
| 837 | for (const workerNode of pool.workerNodes) { |
| 838 | expect(workerNode).toBeInstanceOf(WorkerNode) |
| 839 | expect(workerNode.tasksQueue).toBeInstanceOf(Deque) |
| 840 | expect(workerNode.tasksQueue.size).toBe(0) |
| 841 | expect(workerNode.tasksQueue.maxSize).toBe(0) |
| 842 | } |
| 843 | await pool.destroy() |
| 844 | pool = new DynamicThreadPool( |
| 845 | Math.floor(numberOfWorkers / 2), |
| 846 | numberOfWorkers, |
| 847 | './tests/worker-files/thread/testWorker.js' |
| 848 | ) |
| 849 | for (const workerNode of pool.workerNodes) { |
| 850 | expect(workerNode).toBeInstanceOf(WorkerNode) |
| 851 | expect(workerNode.tasksQueue).toBeInstanceOf(Deque) |
| 852 | expect(workerNode.tasksQueue.size).toBe(0) |
| 853 | expect(workerNode.tasksQueue.maxSize).toBe(0) |
| 854 | } |
| 855 | await pool.destroy() |
| 856 | }) |
| 857 | |
| 858 | it('Verify that pool worker info are initialized', async () => { |
| 859 | let pool = new FixedClusterPool( |
| 860 | numberOfWorkers, |
| 861 | './tests/worker-files/cluster/testWorker.js' |
| 862 | ) |
| 863 | for (const workerNode of pool.workerNodes) { |
| 864 | expect(workerNode).toBeInstanceOf(WorkerNode) |
| 865 | expect(workerNode.info).toStrictEqual({ |
| 866 | id: expect.any(Number), |
| 867 | type: WorkerTypes.cluster, |
| 868 | dynamic: false, |
| 869 | ready: true |
| 870 | }) |
| 871 | } |
| 872 | await pool.destroy() |
| 873 | pool = new DynamicThreadPool( |
| 874 | Math.floor(numberOfWorkers / 2), |
| 875 | numberOfWorkers, |
| 876 | './tests/worker-files/thread/testWorker.js' |
| 877 | ) |
| 878 | for (const workerNode of pool.workerNodes) { |
| 879 | expect(workerNode).toBeInstanceOf(WorkerNode) |
| 880 | expect(workerNode.info).toStrictEqual({ |
| 881 | id: expect.any(Number), |
| 882 | type: WorkerTypes.thread, |
| 883 | dynamic: false, |
| 884 | ready: true |
| 885 | }) |
| 886 | } |
| 887 | await pool.destroy() |
| 888 | }) |
| 889 | |
| 890 | it('Verify that pool can be started after initialization', async () => { |
| 891 | const pool = new FixedClusterPool( |
| 892 | numberOfWorkers, |
| 893 | './tests/worker-files/cluster/testWorker.js', |
| 894 | { |
| 895 | startWorkers: false |
| 896 | } |
| 897 | ) |
| 898 | expect(pool.info.started).toBe(false) |
| 899 | expect(pool.info.ready).toBe(false) |
| 900 | expect(pool.workerNodes).toStrictEqual([]) |
| 901 | await expect(pool.execute()).rejects.toThrowError( |
| 902 | new Error('Cannot execute a task on not started pool') |
| 903 | ) |
| 904 | pool.start() |
| 905 | expect(pool.info.started).toBe(true) |
| 906 | expect(pool.info.ready).toBe(true) |
| 907 | expect(pool.workerNodes.length).toBe(numberOfWorkers) |
| 908 | for (const workerNode of pool.workerNodes) { |
| 909 | expect(workerNode).toBeInstanceOf(WorkerNode) |
| 910 | } |
| 911 | await pool.destroy() |
| 912 | }) |
| 913 | |
| 914 | it('Verify that pool execute() arguments are checked', async () => { |
| 915 | const pool = new FixedClusterPool( |
| 916 | numberOfWorkers, |
| 917 | './tests/worker-files/cluster/testWorker.js' |
| 918 | ) |
| 919 | await expect(pool.execute(undefined, 0)).rejects.toThrowError( |
| 920 | new TypeError('name argument must be a string') |
| 921 | ) |
| 922 | await expect(pool.execute(undefined, '')).rejects.toThrowError( |
| 923 | new TypeError('name argument must not be an empty string') |
| 924 | ) |
| 925 | await expect(pool.execute(undefined, undefined, {})).rejects.toThrowError( |
| 926 | new TypeError('transferList argument must be an array') |
| 927 | ) |
| 928 | await expect(pool.execute(undefined, 'unknown')).rejects.toBe( |
| 929 | "Task function 'unknown' not found" |
| 930 | ) |
| 931 | await pool.destroy() |
| 932 | await expect(pool.execute()).rejects.toThrowError( |
| 933 | new Error('Cannot execute a task on not started pool') |
| 934 | ) |
| 935 | }) |
| 936 | |
| 937 | it('Verify that pool worker tasks usage are computed', async () => { |
| 938 | const pool = new FixedClusterPool( |
| 939 | numberOfWorkers, |
| 940 | './tests/worker-files/cluster/testWorker.js' |
| 941 | ) |
| 942 | const promises = new Set() |
| 943 | const maxMultiplier = 2 |
| 944 | for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) { |
| 945 | promises.add(pool.execute()) |
| 946 | } |
| 947 | for (const workerNode of pool.workerNodes) { |
| 948 | expect(workerNode.usage).toStrictEqual({ |
| 949 | tasks: { |
| 950 | executed: 0, |
| 951 | executing: maxMultiplier, |
| 952 | queued: 0, |
| 953 | maxQueued: 0, |
| 954 | stolen: 0, |
| 955 | failed: 0 |
| 956 | }, |
| 957 | runTime: { |
| 958 | history: expect.any(CircularArray) |
| 959 | }, |
| 960 | waitTime: { |
| 961 | history: expect.any(CircularArray) |
| 962 | }, |
| 963 | elu: { |
| 964 | idle: { |
| 965 | history: expect.any(CircularArray) |
| 966 | }, |
| 967 | active: { |
| 968 | history: expect.any(CircularArray) |
| 969 | } |
| 970 | } |
| 971 | }) |
| 972 | } |
| 973 | await Promise.all(promises) |
| 974 | for (const workerNode of pool.workerNodes) { |
| 975 | expect(workerNode.usage).toStrictEqual({ |
| 976 | tasks: { |
| 977 | executed: maxMultiplier, |
| 978 | executing: 0, |
| 979 | queued: 0, |
| 980 | maxQueued: 0, |
| 981 | stolen: 0, |
| 982 | failed: 0 |
| 983 | }, |
| 984 | runTime: { |
| 985 | history: expect.any(CircularArray) |
| 986 | }, |
| 987 | waitTime: { |
| 988 | history: expect.any(CircularArray) |
| 989 | }, |
| 990 | elu: { |
| 991 | idle: { |
| 992 | history: expect.any(CircularArray) |
| 993 | }, |
| 994 | active: { |
| 995 | history: expect.any(CircularArray) |
| 996 | } |
| 997 | } |
| 998 | }) |
| 999 | } |
| 1000 | await pool.destroy() |
| 1001 | }) |
| 1002 | |
| 1003 | it('Verify that pool worker tasks usage are reset at worker choice strategy change', async () => { |
| 1004 | const pool = new DynamicThreadPool( |
| 1005 | Math.floor(numberOfWorkers / 2), |
| 1006 | numberOfWorkers, |
| 1007 | './tests/worker-files/thread/testWorker.js' |
| 1008 | ) |
| 1009 | const promises = new Set() |
| 1010 | const maxMultiplier = 2 |
| 1011 | for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) { |
| 1012 | promises.add(pool.execute()) |
| 1013 | } |
| 1014 | await Promise.all(promises) |
| 1015 | for (const workerNode of pool.workerNodes) { |
| 1016 | expect(workerNode.usage).toStrictEqual({ |
| 1017 | tasks: { |
| 1018 | executed: expect.any(Number), |
| 1019 | executing: 0, |
| 1020 | queued: 0, |
| 1021 | maxQueued: 0, |
| 1022 | stolen: 0, |
| 1023 | failed: 0 |
| 1024 | }, |
| 1025 | runTime: { |
| 1026 | history: expect.any(CircularArray) |
| 1027 | }, |
| 1028 | waitTime: { |
| 1029 | history: expect.any(CircularArray) |
| 1030 | }, |
| 1031 | elu: { |
| 1032 | idle: { |
| 1033 | history: expect.any(CircularArray) |
| 1034 | }, |
| 1035 | active: { |
| 1036 | history: expect.any(CircularArray) |
| 1037 | } |
| 1038 | } |
| 1039 | }) |
| 1040 | expect(workerNode.usage.tasks.executed).toBeGreaterThan(0) |
| 1041 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1042 | numberOfWorkers * maxMultiplier |
| 1043 | ) |
| 1044 | expect(workerNode.usage.runTime.history.length).toBe(0) |
| 1045 | expect(workerNode.usage.waitTime.history.length).toBe(0) |
| 1046 | expect(workerNode.usage.elu.idle.history.length).toBe(0) |
| 1047 | expect(workerNode.usage.elu.active.history.length).toBe(0) |
| 1048 | } |
| 1049 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) |
| 1050 | for (const workerNode of pool.workerNodes) { |
| 1051 | expect(workerNode.usage).toStrictEqual({ |
| 1052 | tasks: { |
| 1053 | executed: 0, |
| 1054 | executing: 0, |
| 1055 | queued: 0, |
| 1056 | maxQueued: 0, |
| 1057 | stolen: 0, |
| 1058 | failed: 0 |
| 1059 | }, |
| 1060 | runTime: { |
| 1061 | history: expect.any(CircularArray) |
| 1062 | }, |
| 1063 | waitTime: { |
| 1064 | history: expect.any(CircularArray) |
| 1065 | }, |
| 1066 | elu: { |
| 1067 | idle: { |
| 1068 | history: expect.any(CircularArray) |
| 1069 | }, |
| 1070 | active: { |
| 1071 | history: expect.any(CircularArray) |
| 1072 | } |
| 1073 | } |
| 1074 | }) |
| 1075 | expect(workerNode.usage.runTime.history.length).toBe(0) |
| 1076 | expect(workerNode.usage.waitTime.history.length).toBe(0) |
| 1077 | expect(workerNode.usage.elu.idle.history.length).toBe(0) |
| 1078 | expect(workerNode.usage.elu.active.history.length).toBe(0) |
| 1079 | } |
| 1080 | await pool.destroy() |
| 1081 | }) |
| 1082 | |
| 1083 | it("Verify that pool event emitter 'ready' event can register a callback", async () => { |
| 1084 | const pool = new DynamicClusterPool( |
| 1085 | Math.floor(numberOfWorkers / 2), |
| 1086 | numberOfWorkers, |
| 1087 | './tests/worker-files/cluster/testWorker.js' |
| 1088 | ) |
| 1089 | let poolInfo |
| 1090 | let poolReady = 0 |
| 1091 | pool.emitter.on(PoolEvents.ready, info => { |
| 1092 | ++poolReady |
| 1093 | poolInfo = info |
| 1094 | }) |
| 1095 | await waitPoolEvents(pool, PoolEvents.ready, 1) |
| 1096 | expect(poolReady).toBe(1) |
| 1097 | expect(poolInfo).toStrictEqual({ |
| 1098 | version, |
| 1099 | type: PoolTypes.dynamic, |
| 1100 | worker: WorkerTypes.cluster, |
| 1101 | started: true, |
| 1102 | ready: true, |
| 1103 | strategy: WorkerChoiceStrategies.ROUND_ROBIN, |
| 1104 | minSize: expect.any(Number), |
| 1105 | maxSize: expect.any(Number), |
| 1106 | workerNodes: expect.any(Number), |
| 1107 | idleWorkerNodes: expect.any(Number), |
| 1108 | busyWorkerNodes: expect.any(Number), |
| 1109 | executedTasks: expect.any(Number), |
| 1110 | executingTasks: expect.any(Number), |
| 1111 | failedTasks: expect.any(Number) |
| 1112 | }) |
| 1113 | await pool.destroy() |
| 1114 | }) |
| 1115 | |
| 1116 | it("Verify that pool event emitter 'busy' event can register a callback", async () => { |
| 1117 | const pool = new FixedThreadPool( |
| 1118 | numberOfWorkers, |
| 1119 | './tests/worker-files/thread/testWorker.js' |
| 1120 | ) |
| 1121 | const promises = new Set() |
| 1122 | let poolBusy = 0 |
| 1123 | let poolInfo |
| 1124 | pool.emitter.on(PoolEvents.busy, info => { |
| 1125 | ++poolBusy |
| 1126 | poolInfo = info |
| 1127 | }) |
| 1128 | for (let i = 0; i < numberOfWorkers * 2; i++) { |
| 1129 | promises.add(pool.execute()) |
| 1130 | } |
| 1131 | await Promise.all(promises) |
| 1132 | // The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers. |
| 1133 | // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the fixed pool. |
| 1134 | expect(poolBusy).toBe(numberOfWorkers + 1) |
| 1135 | expect(poolInfo).toStrictEqual({ |
| 1136 | version, |
| 1137 | type: PoolTypes.fixed, |
| 1138 | worker: WorkerTypes.thread, |
| 1139 | started: true, |
| 1140 | ready: true, |
| 1141 | strategy: WorkerChoiceStrategies.ROUND_ROBIN, |
| 1142 | minSize: expect.any(Number), |
| 1143 | maxSize: expect.any(Number), |
| 1144 | workerNodes: expect.any(Number), |
| 1145 | idleWorkerNodes: expect.any(Number), |
| 1146 | busyWorkerNodes: expect.any(Number), |
| 1147 | executedTasks: expect.any(Number), |
| 1148 | executingTasks: expect.any(Number), |
| 1149 | failedTasks: expect.any(Number) |
| 1150 | }) |
| 1151 | await pool.destroy() |
| 1152 | }) |
| 1153 | |
| 1154 | it("Verify that pool event emitter 'full' event can register a callback", async () => { |
| 1155 | const pool = new DynamicThreadPool( |
| 1156 | Math.floor(numberOfWorkers / 2), |
| 1157 | numberOfWorkers, |
| 1158 | './tests/worker-files/thread/testWorker.js' |
| 1159 | ) |
| 1160 | const promises = new Set() |
| 1161 | let poolFull = 0 |
| 1162 | let poolInfo |
| 1163 | pool.emitter.on(PoolEvents.full, info => { |
| 1164 | ++poolFull |
| 1165 | poolInfo = info |
| 1166 | }) |
| 1167 | for (let i = 0; i < numberOfWorkers * 2; i++) { |
| 1168 | promises.add(pool.execute()) |
| 1169 | } |
| 1170 | await Promise.all(promises) |
| 1171 | expect(poolFull).toBe(1) |
| 1172 | expect(poolInfo).toStrictEqual({ |
| 1173 | version, |
| 1174 | type: PoolTypes.dynamic, |
| 1175 | worker: WorkerTypes.thread, |
| 1176 | started: true, |
| 1177 | ready: true, |
| 1178 | strategy: WorkerChoiceStrategies.ROUND_ROBIN, |
| 1179 | minSize: expect.any(Number), |
| 1180 | maxSize: expect.any(Number), |
| 1181 | workerNodes: expect.any(Number), |
| 1182 | idleWorkerNodes: expect.any(Number), |
| 1183 | busyWorkerNodes: expect.any(Number), |
| 1184 | executedTasks: expect.any(Number), |
| 1185 | executingTasks: expect.any(Number), |
| 1186 | failedTasks: expect.any(Number) |
| 1187 | }) |
| 1188 | await pool.destroy() |
| 1189 | }) |
| 1190 | |
| 1191 | it("Verify that pool event emitter 'backPressure' event can register a callback", async () => { |
| 1192 | const pool = new FixedThreadPool( |
| 1193 | numberOfWorkers, |
| 1194 | './tests/worker-files/thread/testWorker.js', |
| 1195 | { |
| 1196 | enableTasksQueue: true |
| 1197 | } |
| 1198 | ) |
| 1199 | sinon.stub(pool, 'hasBackPressure').returns(true) |
| 1200 | const promises = new Set() |
| 1201 | let poolBackPressure = 0 |
| 1202 | let poolInfo |
| 1203 | pool.emitter.on(PoolEvents.backPressure, info => { |
| 1204 | ++poolBackPressure |
| 1205 | poolInfo = info |
| 1206 | }) |
| 1207 | for (let i = 0; i < numberOfWorkers + 1; i++) { |
| 1208 | promises.add(pool.execute()) |
| 1209 | } |
| 1210 | await Promise.all(promises) |
| 1211 | expect(poolBackPressure).toBe(1) |
| 1212 | expect(poolInfo).toStrictEqual({ |
| 1213 | version, |
| 1214 | type: PoolTypes.fixed, |
| 1215 | worker: WorkerTypes.thread, |
| 1216 | started: true, |
| 1217 | ready: true, |
| 1218 | strategy: WorkerChoiceStrategies.ROUND_ROBIN, |
| 1219 | minSize: expect.any(Number), |
| 1220 | maxSize: expect.any(Number), |
| 1221 | workerNodes: expect.any(Number), |
| 1222 | idleWorkerNodes: expect.any(Number), |
| 1223 | busyWorkerNodes: expect.any(Number), |
| 1224 | executedTasks: expect.any(Number), |
| 1225 | executingTasks: expect.any(Number), |
| 1226 | maxQueuedTasks: expect.any(Number), |
| 1227 | queuedTasks: expect.any(Number), |
| 1228 | backPressure: true, |
| 1229 | stolenTasks: expect.any(Number), |
| 1230 | failedTasks: expect.any(Number) |
| 1231 | }) |
| 1232 | expect(pool.hasBackPressure.called).toBe(true) |
| 1233 | await pool.destroy() |
| 1234 | }) |
| 1235 | |
| 1236 | it('Verify that listTaskFunctions() is working', async () => { |
| 1237 | const dynamicThreadPool = new DynamicThreadPool( |
| 1238 | Math.floor(numberOfWorkers / 2), |
| 1239 | numberOfWorkers, |
| 1240 | './tests/worker-files/thread/testMultipleTaskFunctionsWorker.js' |
| 1241 | ) |
| 1242 | await waitPoolEvents(dynamicThreadPool, PoolEvents.ready, 1) |
| 1243 | expect(dynamicThreadPool.listTaskFunctionNames()).toStrictEqual([ |
| 1244 | DEFAULT_TASK_NAME, |
| 1245 | 'jsonIntegerSerialization', |
| 1246 | 'factorial', |
| 1247 | 'fibonacci' |
| 1248 | ]) |
| 1249 | const fixedClusterPool = new FixedClusterPool( |
| 1250 | numberOfWorkers, |
| 1251 | './tests/worker-files/cluster/testMultipleTaskFunctionsWorker.js' |
| 1252 | ) |
| 1253 | await waitPoolEvents(fixedClusterPool, PoolEvents.ready, 1) |
| 1254 | expect(fixedClusterPool.listTaskFunctionNames()).toStrictEqual([ |
| 1255 | DEFAULT_TASK_NAME, |
| 1256 | 'jsonIntegerSerialization', |
| 1257 | 'factorial', |
| 1258 | 'fibonacci' |
| 1259 | ]) |
| 1260 | await dynamicThreadPool.destroy() |
| 1261 | await fixedClusterPool.destroy() |
| 1262 | }) |
| 1263 | |
| 1264 | it('Verify that multiple task functions worker is working', async () => { |
| 1265 | const pool = new DynamicClusterPool( |
| 1266 | Math.floor(numberOfWorkers / 2), |
| 1267 | numberOfWorkers, |
| 1268 | './tests/worker-files/cluster/testMultipleTaskFunctionsWorker.js' |
| 1269 | ) |
| 1270 | const data = { n: 10 } |
| 1271 | const result0 = await pool.execute(data) |
| 1272 | expect(result0).toStrictEqual({ ok: 1 }) |
| 1273 | const result1 = await pool.execute(data, 'jsonIntegerSerialization') |
| 1274 | expect(result1).toStrictEqual({ ok: 1 }) |
| 1275 | const result2 = await pool.execute(data, 'factorial') |
| 1276 | expect(result2).toBe(3628800) |
| 1277 | const result3 = await pool.execute(data, 'fibonacci') |
| 1278 | expect(result3).toBe(55) |
| 1279 | expect(pool.info.executingTasks).toBe(0) |
| 1280 | expect(pool.info.executedTasks).toBe(4) |
| 1281 | for (const workerNode of pool.workerNodes) { |
| 1282 | expect(workerNode.info.taskFunctionNames).toStrictEqual([ |
| 1283 | DEFAULT_TASK_NAME, |
| 1284 | 'jsonIntegerSerialization', |
| 1285 | 'factorial', |
| 1286 | 'fibonacci' |
| 1287 | ]) |
| 1288 | expect(workerNode.taskFunctionsUsage.size).toBe(3) |
| 1289 | for (const name of pool.listTaskFunctionNames()) { |
| 1290 | expect(workerNode.getTaskFunctionWorkerUsage(name)).toStrictEqual({ |
| 1291 | tasks: { |
| 1292 | executed: expect.any(Number), |
| 1293 | executing: 0, |
| 1294 | failed: 0, |
| 1295 | queued: 0, |
| 1296 | stolen: 0 |
| 1297 | }, |
| 1298 | runTime: { |
| 1299 | history: expect.any(CircularArray) |
| 1300 | }, |
| 1301 | waitTime: { |
| 1302 | history: expect.any(CircularArray) |
| 1303 | }, |
| 1304 | elu: { |
| 1305 | idle: { |
| 1306 | history: expect.any(CircularArray) |
| 1307 | }, |
| 1308 | active: { |
| 1309 | history: expect.any(CircularArray) |
| 1310 | } |
| 1311 | } |
| 1312 | }) |
| 1313 | expect( |
| 1314 | workerNode.getTaskFunctionWorkerUsage(name).tasks.executed |
| 1315 | ).toBeGreaterThan(0) |
| 1316 | } |
| 1317 | expect( |
| 1318 | workerNode.getTaskFunctionWorkerUsage(DEFAULT_TASK_NAME) |
| 1319 | ).toStrictEqual( |
| 1320 | workerNode.getTaskFunctionWorkerUsage( |
| 1321 | workerNode.info.taskFunctionNames[1] |
| 1322 | ) |
| 1323 | ) |
| 1324 | } |
| 1325 | await pool.destroy() |
| 1326 | }) |
| 1327 | |
| 1328 | it('Verify sendKillMessageToWorker()', async () => { |
| 1329 | const pool = new DynamicClusterPool( |
| 1330 | Math.floor(numberOfWorkers / 2), |
| 1331 | numberOfWorkers, |
| 1332 | './tests/worker-files/cluster/testWorker.js' |
| 1333 | ) |
| 1334 | const workerNodeKey = 0 |
| 1335 | await expect( |
| 1336 | pool.sendKillMessageToWorker( |
| 1337 | workerNodeKey, |
| 1338 | pool.workerNodes[workerNodeKey].info.id |
| 1339 | ) |
| 1340 | ).resolves.toBeUndefined() |
| 1341 | await pool.destroy() |
| 1342 | }) |
| 1343 | }) |