| 1 | const { expect } = require('expect') |
| 2 | const { |
| 3 | DynamicThreadPool, |
| 4 | FixedClusterPool, |
| 5 | FixedThreadPool, |
| 6 | WorkerChoiceStrategies |
| 7 | } = require('../../../lib') |
| 8 | const { CircularArray } = require('../../../lib/circular-array') |
| 9 | |
| 10 | describe('Selection strategies test suite', () => { |
| 11 | const min = 0 |
| 12 | const max = 3 |
| 13 | |
| 14 | it('Verify that WorkerChoiceStrategies enumeration provides string values', () => { |
| 15 | expect(WorkerChoiceStrategies.ROUND_ROBIN).toBe('ROUND_ROBIN') |
| 16 | expect(WorkerChoiceStrategies.LEAST_USED).toBe('LEAST_USED') |
| 17 | expect(WorkerChoiceStrategies.LEAST_BUSY).toBe('LEAST_BUSY') |
| 18 | expect(WorkerChoiceStrategies.LEAST_ELU).toBe('LEAST_ELU') |
| 19 | expect(WorkerChoiceStrategies.FAIR_SHARE).toBe('FAIR_SHARE') |
| 20 | expect(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN).toBe( |
| 21 | 'WEIGHTED_ROUND_ROBIN' |
| 22 | ) |
| 23 | expect(WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN).toBe( |
| 24 | 'INTERLEAVED_WEIGHTED_ROUND_ROBIN' |
| 25 | ) |
| 26 | }) |
| 27 | |
| 28 | it('Verify ROUND_ROBIN strategy is the default at pool creation', async () => { |
| 29 | const pool = new DynamicThreadPool( |
| 30 | min, |
| 31 | max, |
| 32 | './tests/worker-files/thread/testWorker.js' |
| 33 | ) |
| 34 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 35 | WorkerChoiceStrategies.ROUND_ROBIN |
| 36 | ) |
| 37 | // We need to clean up the resources after our test |
| 38 | await pool.destroy() |
| 39 | }) |
| 40 | |
| 41 | it('Verify available strategies are taken at pool creation', async () => { |
| 42 | for (const workerChoiceStrategy of Object.values(WorkerChoiceStrategies)) { |
| 43 | const pool = new FixedThreadPool( |
| 44 | max, |
| 45 | './tests/worker-files/thread/testWorker.js', |
| 46 | { workerChoiceStrategy } |
| 47 | ) |
| 48 | expect(pool.opts.workerChoiceStrategy).toBe(workerChoiceStrategy) |
| 49 | expect(pool.workerChoiceStrategyContext.workerChoiceStrategy).toBe( |
| 50 | workerChoiceStrategy |
| 51 | ) |
| 52 | await pool.destroy() |
| 53 | } |
| 54 | }) |
| 55 | |
| 56 | it('Verify available strategies can be set after pool creation', async () => { |
| 57 | for (const workerChoiceStrategy of Object.values(WorkerChoiceStrategies)) { |
| 58 | const pool = new DynamicThreadPool( |
| 59 | min, |
| 60 | max, |
| 61 | './tests/worker-files/thread/testWorker.js' |
| 62 | ) |
| 63 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 64 | expect(pool.opts.workerChoiceStrategy).toBe(workerChoiceStrategy) |
| 65 | expect(pool.workerChoiceStrategyContext.workerChoiceStrategy).toBe( |
| 66 | workerChoiceStrategy |
| 67 | ) |
| 68 | await pool.destroy() |
| 69 | } |
| 70 | }) |
| 71 | |
| 72 | it('Verify available strategies default internals at pool creation', async () => { |
| 73 | const pool = new FixedThreadPool( |
| 74 | max, |
| 75 | './tests/worker-files/thread/testWorker.js' |
| 76 | ) |
| 77 | for (const workerChoiceStrategy of Object.values(WorkerChoiceStrategies)) { |
| 78 | if (workerChoiceStrategy === WorkerChoiceStrategies.ROUND_ROBIN) { |
| 79 | expect( |
| 80 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 81 | workerChoiceStrategy |
| 82 | ).nextWorkerNodeKey |
| 83 | ).toBe(0) |
| 84 | } else if (workerChoiceStrategy === WorkerChoiceStrategies.FAIR_SHARE) { |
| 85 | expect( |
| 86 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 87 | workerChoiceStrategy |
| 88 | ).workersVirtualTaskEndTimestamp |
| 89 | ).toBeInstanceOf(Array) |
| 90 | expect( |
| 91 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 92 | workerChoiceStrategy |
| 93 | ).workersVirtualTaskEndTimestamp.length |
| 94 | ).toBe(0) |
| 95 | } else if ( |
| 96 | workerChoiceStrategy === WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 97 | ) { |
| 98 | expect( |
| 99 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 100 | workerChoiceStrategy |
| 101 | ).nextWorkerNodeKey |
| 102 | ).toBe(0) |
| 103 | expect( |
| 104 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 105 | workerChoiceStrategy |
| 106 | ).defaultWorkerWeight |
| 107 | ).toBeGreaterThan(0) |
| 108 | expect( |
| 109 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 110 | workerChoiceStrategy |
| 111 | ).workerVirtualTaskRunTime |
| 112 | ).toBe(0) |
| 113 | } |
| 114 | } |
| 115 | await pool.destroy() |
| 116 | }) |
| 117 | |
| 118 | it('Verify ROUND_ROBIN strategy default policy', async () => { |
| 119 | const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN |
| 120 | let pool = new FixedThreadPool( |
| 121 | max, |
| 122 | './tests/worker-files/thread/testWorker.js', |
| 123 | { workerChoiceStrategy } |
| 124 | ) |
| 125 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 126 | useDynamicWorker: true |
| 127 | }) |
| 128 | await pool.destroy() |
| 129 | pool = new DynamicThreadPool( |
| 130 | min, |
| 131 | max, |
| 132 | './tests/worker-files/thread/testWorker.js', |
| 133 | { workerChoiceStrategy } |
| 134 | ) |
| 135 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 136 | useDynamicWorker: true |
| 137 | }) |
| 138 | // We need to clean up the resources after our test |
| 139 | await pool.destroy() |
| 140 | }) |
| 141 | |
| 142 | it('Verify ROUND_ROBIN strategy default tasks statistics requirements', async () => { |
| 143 | const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN |
| 144 | let pool = new FixedThreadPool( |
| 145 | max, |
| 146 | './tests/worker-files/thread/testWorker.js', |
| 147 | { workerChoiceStrategy } |
| 148 | ) |
| 149 | expect( |
| 150 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 151 | ).toStrictEqual({ |
| 152 | runTime: { |
| 153 | aggregate: false, |
| 154 | average: false, |
| 155 | median: false |
| 156 | }, |
| 157 | waitTime: { |
| 158 | aggregate: false, |
| 159 | average: false, |
| 160 | median: false |
| 161 | }, |
| 162 | elu: { |
| 163 | aggregate: false, |
| 164 | average: false, |
| 165 | median: false |
| 166 | } |
| 167 | }) |
| 168 | await pool.destroy() |
| 169 | pool = new DynamicThreadPool( |
| 170 | min, |
| 171 | max, |
| 172 | './tests/worker-files/thread/testWorker.js', |
| 173 | { workerChoiceStrategy } |
| 174 | ) |
| 175 | expect( |
| 176 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 177 | ).toStrictEqual({ |
| 178 | runTime: { |
| 179 | aggregate: false, |
| 180 | average: false, |
| 181 | median: false |
| 182 | }, |
| 183 | waitTime: { |
| 184 | aggregate: false, |
| 185 | average: false, |
| 186 | median: false |
| 187 | }, |
| 188 | elu: { |
| 189 | aggregate: false, |
| 190 | average: false, |
| 191 | median: false |
| 192 | } |
| 193 | }) |
| 194 | // We need to clean up the resources after our test |
| 195 | await pool.destroy() |
| 196 | }) |
| 197 | |
| 198 | it('Verify ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 199 | const pool = new FixedThreadPool( |
| 200 | max, |
| 201 | './tests/worker-files/thread/testWorker.js', |
| 202 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 203 | ) |
| 204 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 205 | const promises = new Set() |
| 206 | const maxMultiplier = 2 |
| 207 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 208 | promises.add(pool.execute()) |
| 209 | } |
| 210 | await Promise.all(promises) |
| 211 | for (const workerNode of pool.workerNodes) { |
| 212 | expect(workerNode.usage).toStrictEqual({ |
| 213 | tasks: { |
| 214 | executed: maxMultiplier, |
| 215 | executing: 0, |
| 216 | queued: 0, |
| 217 | maxQueued: 0, |
| 218 | failed: 0 |
| 219 | }, |
| 220 | runTime: { |
| 221 | history: expect.any(CircularArray) |
| 222 | }, |
| 223 | waitTime: { |
| 224 | history: expect.any(CircularArray) |
| 225 | }, |
| 226 | elu: { |
| 227 | idle: { |
| 228 | history: expect.any(CircularArray) |
| 229 | }, |
| 230 | active: { |
| 231 | history: expect.any(CircularArray) |
| 232 | } |
| 233 | } |
| 234 | }) |
| 235 | } |
| 236 | expect( |
| 237 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 238 | WorkerChoiceStrategies.ROUND_ROBIN |
| 239 | ).nextWorkerNodeKey |
| 240 | ).toBe(0) |
| 241 | // We need to clean up the resources after our test |
| 242 | await pool.destroy() |
| 243 | }) |
| 244 | |
| 245 | it('Verify ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 246 | const pool = new DynamicThreadPool( |
| 247 | min, |
| 248 | max, |
| 249 | './tests/worker-files/thread/testWorker.js', |
| 250 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 251 | ) |
| 252 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 253 | const promises = new Set() |
| 254 | const maxMultiplier = 2 |
| 255 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 256 | promises.add(pool.execute()) |
| 257 | } |
| 258 | await Promise.all(promises) |
| 259 | for (const workerNode of pool.workerNodes) { |
| 260 | expect(workerNode.usage).toStrictEqual({ |
| 261 | tasks: { |
| 262 | executed: maxMultiplier, |
| 263 | executing: 0, |
| 264 | queued: 0, |
| 265 | maxQueued: 0, |
| 266 | failed: 0 |
| 267 | }, |
| 268 | runTime: { |
| 269 | history: expect.any(CircularArray) |
| 270 | }, |
| 271 | waitTime: { |
| 272 | history: expect.any(CircularArray) |
| 273 | }, |
| 274 | elu: { |
| 275 | idle: { |
| 276 | history: expect.any(CircularArray) |
| 277 | }, |
| 278 | active: { |
| 279 | history: expect.any(CircularArray) |
| 280 | } |
| 281 | } |
| 282 | }) |
| 283 | } |
| 284 | expect( |
| 285 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 286 | WorkerChoiceStrategies.ROUND_ROBIN |
| 287 | ).nextWorkerNodeKey |
| 288 | ).toBe(0) |
| 289 | // We need to clean up the resources after our test |
| 290 | await pool.destroy() |
| 291 | }) |
| 292 | |
| 293 | it('Verify ROUND_ROBIN strategy runtime behavior', async () => { |
| 294 | const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN |
| 295 | let pool = new FixedClusterPool( |
| 296 | max, |
| 297 | './tests/worker-files/cluster/testWorker.js', |
| 298 | { workerChoiceStrategy } |
| 299 | ) |
| 300 | let results = new Set() |
| 301 | for (let i = 0; i < max; i++) { |
| 302 | results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.id) |
| 303 | } |
| 304 | expect(results.size).toBe(max) |
| 305 | await pool.destroy() |
| 306 | pool = new FixedThreadPool( |
| 307 | max, |
| 308 | './tests/worker-files/thread/testWorker.js', |
| 309 | { workerChoiceStrategy } |
| 310 | ) |
| 311 | results = new Set() |
| 312 | for (let i = 0; i < max; i++) { |
| 313 | results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.threadId) |
| 314 | } |
| 315 | expect(results.size).toBe(max) |
| 316 | await pool.destroy() |
| 317 | }) |
| 318 | |
| 319 | it('Verify ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 320 | const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN |
| 321 | let pool = new FixedThreadPool( |
| 322 | max, |
| 323 | './tests/worker-files/thread/testWorker.js', |
| 324 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 325 | ) |
| 326 | expect( |
| 327 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 328 | workerChoiceStrategy |
| 329 | ).nextWorkerNodeKey |
| 330 | ).toBeDefined() |
| 331 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 332 | expect( |
| 333 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 334 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 335 | ).nextWorkerNodeKey |
| 336 | ).toBe(0) |
| 337 | await pool.destroy() |
| 338 | pool = new DynamicThreadPool( |
| 339 | min, |
| 340 | max, |
| 341 | './tests/worker-files/thread/testWorker.js', |
| 342 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 343 | ) |
| 344 | expect( |
| 345 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 346 | workerChoiceStrategy |
| 347 | ).nextWorkerNodeKey |
| 348 | ).toBeDefined() |
| 349 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 350 | expect( |
| 351 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 352 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 353 | ).nextWorkerNodeKey |
| 354 | ).toBe(0) |
| 355 | // We need to clean up the resources after our test |
| 356 | await pool.destroy() |
| 357 | }) |
| 358 | |
| 359 | it('Verify LEAST_USED strategy default policy', async () => { |
| 360 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED |
| 361 | let pool = new FixedThreadPool( |
| 362 | max, |
| 363 | './tests/worker-files/thread/testWorker.js', |
| 364 | { workerChoiceStrategy } |
| 365 | ) |
| 366 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 367 | useDynamicWorker: false |
| 368 | }) |
| 369 | await pool.destroy() |
| 370 | pool = new DynamicThreadPool( |
| 371 | min, |
| 372 | max, |
| 373 | './tests/worker-files/thread/testWorker.js', |
| 374 | { workerChoiceStrategy } |
| 375 | ) |
| 376 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 377 | useDynamicWorker: false |
| 378 | }) |
| 379 | // We need to clean up the resources after our test |
| 380 | await pool.destroy() |
| 381 | }) |
| 382 | |
| 383 | it('Verify LEAST_USED strategy default tasks statistics requirements', async () => { |
| 384 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED |
| 385 | let pool = new FixedThreadPool( |
| 386 | max, |
| 387 | './tests/worker-files/thread/testWorker.js', |
| 388 | { workerChoiceStrategy } |
| 389 | ) |
| 390 | expect( |
| 391 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 392 | ).toStrictEqual({ |
| 393 | runTime: { |
| 394 | aggregate: false, |
| 395 | average: false, |
| 396 | median: false |
| 397 | }, |
| 398 | waitTime: { |
| 399 | aggregate: false, |
| 400 | average: false, |
| 401 | median: false |
| 402 | }, |
| 403 | elu: { |
| 404 | aggregate: false, |
| 405 | average: false, |
| 406 | median: false |
| 407 | } |
| 408 | }) |
| 409 | await pool.destroy() |
| 410 | pool = new DynamicThreadPool( |
| 411 | min, |
| 412 | max, |
| 413 | './tests/worker-files/thread/testWorker.js', |
| 414 | { workerChoiceStrategy } |
| 415 | ) |
| 416 | expect( |
| 417 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 418 | ).toStrictEqual({ |
| 419 | runTime: { |
| 420 | aggregate: false, |
| 421 | average: false, |
| 422 | median: false |
| 423 | }, |
| 424 | waitTime: { |
| 425 | aggregate: false, |
| 426 | average: false, |
| 427 | median: false |
| 428 | }, |
| 429 | elu: { |
| 430 | aggregate: false, |
| 431 | average: false, |
| 432 | median: false |
| 433 | } |
| 434 | }) |
| 435 | // We need to clean up the resources after our test |
| 436 | await pool.destroy() |
| 437 | }) |
| 438 | |
| 439 | it('Verify LEAST_USED strategy can be run in a fixed pool', async () => { |
| 440 | const pool = new FixedThreadPool( |
| 441 | max, |
| 442 | './tests/worker-files/thread/testWorker.js', |
| 443 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } |
| 444 | ) |
| 445 | // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` |
| 446 | const promises = new Set() |
| 447 | const maxMultiplier = 2 |
| 448 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 449 | promises.add(pool.execute()) |
| 450 | } |
| 451 | await Promise.all(promises) |
| 452 | for (const workerNode of pool.workerNodes) { |
| 453 | expect(workerNode.usage).toStrictEqual({ |
| 454 | tasks: { |
| 455 | executed: expect.any(Number), |
| 456 | executing: 0, |
| 457 | queued: 0, |
| 458 | maxQueued: 0, |
| 459 | failed: 0 |
| 460 | }, |
| 461 | runTime: { |
| 462 | history: expect.any(CircularArray) |
| 463 | }, |
| 464 | waitTime: { |
| 465 | history: expect.any(CircularArray) |
| 466 | }, |
| 467 | elu: { |
| 468 | idle: { |
| 469 | history: expect.any(CircularArray) |
| 470 | }, |
| 471 | active: { |
| 472 | history: expect.any(CircularArray) |
| 473 | } |
| 474 | } |
| 475 | }) |
| 476 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 477 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 478 | max * maxMultiplier |
| 479 | ) |
| 480 | } |
| 481 | // We need to clean up the resources after our test |
| 482 | await pool.destroy() |
| 483 | }) |
| 484 | |
| 485 | it('Verify LEAST_USED strategy can be run in a dynamic pool', async () => { |
| 486 | const pool = new DynamicThreadPool( |
| 487 | min, |
| 488 | max, |
| 489 | './tests/worker-files/thread/testWorker.js', |
| 490 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } |
| 491 | ) |
| 492 | // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` |
| 493 | const promises = new Set() |
| 494 | const maxMultiplier = 2 |
| 495 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 496 | promises.add(pool.execute()) |
| 497 | } |
| 498 | await Promise.all(promises) |
| 499 | for (const workerNode of pool.workerNodes) { |
| 500 | expect(workerNode.usage).toStrictEqual({ |
| 501 | tasks: { |
| 502 | executed: expect.any(Number), |
| 503 | executing: 0, |
| 504 | queued: 0, |
| 505 | maxQueued: 0, |
| 506 | failed: 0 |
| 507 | }, |
| 508 | runTime: { |
| 509 | history: expect.any(CircularArray) |
| 510 | }, |
| 511 | waitTime: { |
| 512 | history: expect.any(CircularArray) |
| 513 | }, |
| 514 | elu: { |
| 515 | idle: { |
| 516 | history: expect.any(CircularArray) |
| 517 | }, |
| 518 | active: { |
| 519 | history: expect.any(CircularArray) |
| 520 | } |
| 521 | } |
| 522 | }) |
| 523 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 524 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 525 | max * maxMultiplier |
| 526 | ) |
| 527 | } |
| 528 | // We need to clean up the resources after our test |
| 529 | await pool.destroy() |
| 530 | }) |
| 531 | |
| 532 | it('Verify LEAST_BUSY strategy default policy', async () => { |
| 533 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY |
| 534 | let pool = new FixedThreadPool( |
| 535 | max, |
| 536 | './tests/worker-files/thread/testWorker.js', |
| 537 | { workerChoiceStrategy } |
| 538 | ) |
| 539 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 540 | useDynamicWorker: false |
| 541 | }) |
| 542 | await pool.destroy() |
| 543 | pool = new DynamicThreadPool( |
| 544 | min, |
| 545 | max, |
| 546 | './tests/worker-files/thread/testWorker.js', |
| 547 | { workerChoiceStrategy } |
| 548 | ) |
| 549 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 550 | useDynamicWorker: false |
| 551 | }) |
| 552 | // We need to clean up the resources after our test |
| 553 | await pool.destroy() |
| 554 | }) |
| 555 | |
| 556 | it('Verify LEAST_BUSY strategy default tasks statistics requirements', async () => { |
| 557 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY |
| 558 | let pool = new FixedThreadPool( |
| 559 | max, |
| 560 | './tests/worker-files/thread/testWorker.js', |
| 561 | { workerChoiceStrategy } |
| 562 | ) |
| 563 | expect( |
| 564 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 565 | ).toStrictEqual({ |
| 566 | runTime: { |
| 567 | aggregate: true, |
| 568 | average: false, |
| 569 | median: false |
| 570 | }, |
| 571 | waitTime: { |
| 572 | aggregate: true, |
| 573 | average: false, |
| 574 | median: false |
| 575 | }, |
| 576 | elu: { |
| 577 | aggregate: false, |
| 578 | average: false, |
| 579 | median: false |
| 580 | } |
| 581 | }) |
| 582 | await pool.destroy() |
| 583 | pool = new DynamicThreadPool( |
| 584 | min, |
| 585 | max, |
| 586 | './tests/worker-files/thread/testWorker.js', |
| 587 | { workerChoiceStrategy } |
| 588 | ) |
| 589 | expect( |
| 590 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 591 | ).toStrictEqual({ |
| 592 | runTime: { |
| 593 | aggregate: true, |
| 594 | average: false, |
| 595 | median: false |
| 596 | }, |
| 597 | waitTime: { |
| 598 | aggregate: true, |
| 599 | average: false, |
| 600 | median: false |
| 601 | }, |
| 602 | elu: { |
| 603 | aggregate: false, |
| 604 | average: false, |
| 605 | median: false |
| 606 | } |
| 607 | }) |
| 608 | // We need to clean up the resources after our test |
| 609 | await pool.destroy() |
| 610 | }) |
| 611 | |
| 612 | it('Verify LEAST_BUSY strategy can be run in a fixed pool', async () => { |
| 613 | const pool = new FixedThreadPool( |
| 614 | max, |
| 615 | './tests/worker-files/thread/testWorker.js', |
| 616 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } |
| 617 | ) |
| 618 | // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` |
| 619 | const promises = new Set() |
| 620 | const maxMultiplier = 2 |
| 621 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 622 | promises.add(pool.execute()) |
| 623 | } |
| 624 | await Promise.all(promises) |
| 625 | for (const workerNode of pool.workerNodes) { |
| 626 | expect(workerNode.usage).toMatchObject({ |
| 627 | tasks: { |
| 628 | executed: expect.any(Number), |
| 629 | executing: 0, |
| 630 | queued: 0, |
| 631 | maxQueued: 0, |
| 632 | failed: 0 |
| 633 | }, |
| 634 | runTime: { |
| 635 | history: expect.any(CircularArray) |
| 636 | }, |
| 637 | waitTime: { |
| 638 | history: expect.any(CircularArray) |
| 639 | }, |
| 640 | elu: { |
| 641 | idle: { |
| 642 | history: expect.any(CircularArray) |
| 643 | }, |
| 644 | active: { |
| 645 | history: expect.any(CircularArray) |
| 646 | } |
| 647 | } |
| 648 | }) |
| 649 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 650 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 651 | max * maxMultiplier |
| 652 | ) |
| 653 | if (workerNode.usage.runTime.aggregate == null) { |
| 654 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 655 | } else { |
| 656 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 657 | } |
| 658 | if (workerNode.usage.waitTime.aggregate == null) { |
| 659 | expect(workerNode.usage.waitTime.aggregate).toBeUndefined() |
| 660 | } else { |
| 661 | expect(workerNode.usage.waitTime.aggregate).toBeGreaterThan(0) |
| 662 | } |
| 663 | } |
| 664 | // We need to clean up the resources after our test |
| 665 | await pool.destroy() |
| 666 | }) |
| 667 | |
| 668 | it('Verify LEAST_BUSY strategy can be run in a dynamic pool', async () => { |
| 669 | const pool = new DynamicThreadPool( |
| 670 | min, |
| 671 | max, |
| 672 | './tests/worker-files/thread/testWorker.js', |
| 673 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } |
| 674 | ) |
| 675 | // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` |
| 676 | const promises = new Set() |
| 677 | const maxMultiplier = 2 |
| 678 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 679 | promises.add(pool.execute()) |
| 680 | } |
| 681 | await Promise.all(promises) |
| 682 | for (const workerNode of pool.workerNodes) { |
| 683 | expect(workerNode.usage).toMatchObject({ |
| 684 | tasks: { |
| 685 | executed: expect.any(Number), |
| 686 | executing: 0, |
| 687 | queued: 0, |
| 688 | maxQueued: 0, |
| 689 | failed: 0 |
| 690 | }, |
| 691 | runTime: { |
| 692 | history: expect.any(CircularArray) |
| 693 | }, |
| 694 | waitTime: { |
| 695 | history: expect.any(CircularArray) |
| 696 | }, |
| 697 | elu: { |
| 698 | idle: { |
| 699 | history: expect.any(CircularArray) |
| 700 | }, |
| 701 | active: { |
| 702 | history: expect.any(CircularArray) |
| 703 | } |
| 704 | } |
| 705 | }) |
| 706 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 707 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 708 | max * maxMultiplier |
| 709 | ) |
| 710 | if (workerNode.usage.runTime.aggregate == null) { |
| 711 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 712 | } else { |
| 713 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 714 | } |
| 715 | if (workerNode.usage.waitTime.aggregate == null) { |
| 716 | expect(workerNode.usage.waitTime.aggregate).toBeUndefined() |
| 717 | } else { |
| 718 | expect(workerNode.usage.waitTime.aggregate).toBeGreaterThan(0) |
| 719 | } |
| 720 | } |
| 721 | // We need to clean up the resources after our test |
| 722 | await pool.destroy() |
| 723 | }) |
| 724 | |
| 725 | it('Verify LEAST_ELU strategy default policy', async () => { |
| 726 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_ELU |
| 727 | let pool = new FixedThreadPool( |
| 728 | max, |
| 729 | './tests/worker-files/thread/testWorker.js', |
| 730 | { workerChoiceStrategy } |
| 731 | ) |
| 732 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 733 | useDynamicWorker: false |
| 734 | }) |
| 735 | await pool.destroy() |
| 736 | pool = new DynamicThreadPool( |
| 737 | min, |
| 738 | max, |
| 739 | './tests/worker-files/thread/testWorker.js', |
| 740 | { workerChoiceStrategy } |
| 741 | ) |
| 742 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 743 | useDynamicWorker: false |
| 744 | }) |
| 745 | // We need to clean up the resources after our test |
| 746 | await pool.destroy() |
| 747 | }) |
| 748 | |
| 749 | it('Verify LEAST_ELU strategy default tasks statistics requirements', async () => { |
| 750 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_ELU |
| 751 | let pool = new FixedThreadPool( |
| 752 | max, |
| 753 | './tests/worker-files/thread/testWorker.js', |
| 754 | { workerChoiceStrategy } |
| 755 | ) |
| 756 | expect( |
| 757 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 758 | ).toStrictEqual({ |
| 759 | runTime: { |
| 760 | aggregate: false, |
| 761 | average: false, |
| 762 | median: false |
| 763 | }, |
| 764 | waitTime: { |
| 765 | aggregate: false, |
| 766 | average: false, |
| 767 | median: false |
| 768 | }, |
| 769 | elu: { |
| 770 | aggregate: true, |
| 771 | average: false, |
| 772 | median: false |
| 773 | } |
| 774 | }) |
| 775 | await pool.destroy() |
| 776 | pool = new DynamicThreadPool( |
| 777 | min, |
| 778 | max, |
| 779 | './tests/worker-files/thread/testWorker.js', |
| 780 | { workerChoiceStrategy } |
| 781 | ) |
| 782 | expect( |
| 783 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 784 | ).toStrictEqual({ |
| 785 | runTime: { |
| 786 | aggregate: false, |
| 787 | average: false, |
| 788 | median: false |
| 789 | }, |
| 790 | waitTime: { |
| 791 | aggregate: false, |
| 792 | average: false, |
| 793 | median: false |
| 794 | }, |
| 795 | elu: { |
| 796 | aggregate: true, |
| 797 | average: false, |
| 798 | median: false |
| 799 | } |
| 800 | }) |
| 801 | // We need to clean up the resources after our test |
| 802 | await pool.destroy() |
| 803 | }) |
| 804 | |
| 805 | it('Verify LEAST_ELU strategy can be run in a fixed pool', async () => { |
| 806 | const pool = new FixedThreadPool( |
| 807 | max, |
| 808 | './tests/worker-files/thread/testWorker.js', |
| 809 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_ELU } |
| 810 | ) |
| 811 | // TODO: Create a better test to cover `LeastEluWorkerChoiceStrategy#choose` |
| 812 | const promises = new Set() |
| 813 | const maxMultiplier = 2 |
| 814 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 815 | promises.add(pool.execute()) |
| 816 | } |
| 817 | await Promise.all(promises) |
| 818 | for (const workerNode of pool.workerNodes) { |
| 819 | expect(workerNode.usage).toMatchObject({ |
| 820 | tasks: { |
| 821 | executed: expect.any(Number), |
| 822 | executing: 0, |
| 823 | queued: 0, |
| 824 | maxQueued: 0, |
| 825 | failed: 0 |
| 826 | }, |
| 827 | runTime: { |
| 828 | history: expect.any(CircularArray) |
| 829 | }, |
| 830 | waitTime: { |
| 831 | history: expect.any(CircularArray) |
| 832 | }, |
| 833 | elu: { |
| 834 | idle: expect.objectContaining({ |
| 835 | history: expect.any(CircularArray) |
| 836 | }), |
| 837 | active: expect.objectContaining({ |
| 838 | history: expect.any(CircularArray) |
| 839 | }) |
| 840 | } |
| 841 | }) |
| 842 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 843 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 844 | max * maxMultiplier |
| 845 | ) |
| 846 | if (workerNode.usage.elu.utilization == null) { |
| 847 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 848 | } else { |
| 849 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 850 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 851 | } |
| 852 | } |
| 853 | // We need to clean up the resources after our test |
| 854 | await pool.destroy() |
| 855 | }) |
| 856 | |
| 857 | it('Verify LEAST_ELU strategy can be run in a dynamic pool', async () => { |
| 858 | const pool = new DynamicThreadPool( |
| 859 | min, |
| 860 | max, |
| 861 | './tests/worker-files/thread/testWorker.js', |
| 862 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_ELU } |
| 863 | ) |
| 864 | // TODO: Create a better test to cover `LeastEluWorkerChoiceStrategy#choose` |
| 865 | const promises = new Set() |
| 866 | const maxMultiplier = 2 |
| 867 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 868 | promises.add(pool.execute()) |
| 869 | } |
| 870 | await Promise.all(promises) |
| 871 | for (const workerNode of pool.workerNodes) { |
| 872 | expect(workerNode.usage).toMatchObject({ |
| 873 | tasks: { |
| 874 | executed: expect.any(Number), |
| 875 | executing: 0, |
| 876 | queued: 0, |
| 877 | maxQueued: 0, |
| 878 | failed: 0 |
| 879 | }, |
| 880 | runTime: { |
| 881 | history: expect.any(CircularArray) |
| 882 | }, |
| 883 | waitTime: { |
| 884 | history: expect.any(CircularArray) |
| 885 | }, |
| 886 | elu: { |
| 887 | idle: expect.objectContaining({ |
| 888 | history: expect.any(CircularArray) |
| 889 | }), |
| 890 | active: expect.objectContaining({ |
| 891 | history: expect.any(CircularArray) |
| 892 | }) |
| 893 | } |
| 894 | }) |
| 895 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 896 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 897 | max * maxMultiplier |
| 898 | ) |
| 899 | if (workerNode.usage.elu.utilization == null) { |
| 900 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 901 | } else { |
| 902 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 903 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 904 | } |
| 905 | } |
| 906 | // We need to clean up the resources after our test |
| 907 | await pool.destroy() |
| 908 | }) |
| 909 | |
| 910 | it('Verify FAIR_SHARE strategy default policy', async () => { |
| 911 | const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE |
| 912 | let pool = new FixedThreadPool( |
| 913 | max, |
| 914 | './tests/worker-files/thread/testWorker.js', |
| 915 | { workerChoiceStrategy } |
| 916 | ) |
| 917 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 918 | useDynamicWorker: false |
| 919 | }) |
| 920 | await pool.destroy() |
| 921 | pool = new DynamicThreadPool( |
| 922 | min, |
| 923 | max, |
| 924 | './tests/worker-files/thread/testWorker.js', |
| 925 | { workerChoiceStrategy } |
| 926 | ) |
| 927 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 928 | useDynamicWorker: false |
| 929 | }) |
| 930 | // We need to clean up the resources after our test |
| 931 | await pool.destroy() |
| 932 | }) |
| 933 | |
| 934 | it('Verify FAIR_SHARE strategy default tasks statistics requirements', async () => { |
| 935 | const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE |
| 936 | let pool = new FixedThreadPool( |
| 937 | max, |
| 938 | './tests/worker-files/thread/testWorker.js', |
| 939 | { workerChoiceStrategy } |
| 940 | ) |
| 941 | expect( |
| 942 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 943 | ).toStrictEqual({ |
| 944 | runTime: { |
| 945 | aggregate: true, |
| 946 | average: true, |
| 947 | median: false |
| 948 | }, |
| 949 | waitTime: { |
| 950 | aggregate: false, |
| 951 | average: false, |
| 952 | median: false |
| 953 | }, |
| 954 | elu: { |
| 955 | aggregate: true, |
| 956 | average: true, |
| 957 | median: false |
| 958 | } |
| 959 | }) |
| 960 | await pool.destroy() |
| 961 | pool = new DynamicThreadPool( |
| 962 | min, |
| 963 | max, |
| 964 | './tests/worker-files/thread/testWorker.js', |
| 965 | { workerChoiceStrategy } |
| 966 | ) |
| 967 | expect( |
| 968 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 969 | ).toStrictEqual({ |
| 970 | runTime: { |
| 971 | aggregate: true, |
| 972 | average: true, |
| 973 | median: false |
| 974 | }, |
| 975 | waitTime: { |
| 976 | aggregate: false, |
| 977 | average: false, |
| 978 | median: false |
| 979 | }, |
| 980 | elu: { |
| 981 | aggregate: true, |
| 982 | average: true, |
| 983 | median: false |
| 984 | } |
| 985 | }) |
| 986 | // We need to clean up the resources after our test |
| 987 | await pool.destroy() |
| 988 | }) |
| 989 | |
| 990 | it('Verify FAIR_SHARE strategy can be run in a fixed pool', async () => { |
| 991 | const pool = new FixedThreadPool( |
| 992 | max, |
| 993 | './tests/worker-files/thread/testWorker.js', |
| 994 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 995 | ) |
| 996 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 997 | const promises = new Set() |
| 998 | const maxMultiplier = 2 |
| 999 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1000 | promises.add(pool.execute()) |
| 1001 | } |
| 1002 | await Promise.all(promises) |
| 1003 | for (const workerNode of pool.workerNodes) { |
| 1004 | expect(workerNode.usage).toMatchObject({ |
| 1005 | tasks: { |
| 1006 | executed: expect.any(Number), |
| 1007 | executing: 0, |
| 1008 | queued: 0, |
| 1009 | maxQueued: 0, |
| 1010 | failed: 0 |
| 1011 | }, |
| 1012 | runTime: expect.objectContaining({ |
| 1013 | history: expect.any(CircularArray) |
| 1014 | }), |
| 1015 | waitTime: { |
| 1016 | history: expect.any(CircularArray) |
| 1017 | }, |
| 1018 | elu: { |
| 1019 | idle: expect.objectContaining({ |
| 1020 | history: expect.any(CircularArray) |
| 1021 | }), |
| 1022 | active: expect.objectContaining({ |
| 1023 | history: expect.any(CircularArray) |
| 1024 | }) |
| 1025 | } |
| 1026 | }) |
| 1027 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1028 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1029 | max * maxMultiplier |
| 1030 | ) |
| 1031 | if (workerNode.usage.runTime.aggregate == null) { |
| 1032 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1033 | } else { |
| 1034 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1035 | } |
| 1036 | if (workerNode.usage.runTime.average == null) { |
| 1037 | expect(workerNode.usage.runTime.average).toBeUndefined() |
| 1038 | } else { |
| 1039 | expect(workerNode.usage.runTime.average).toBeGreaterThan(0) |
| 1040 | } |
| 1041 | if (workerNode.usage.elu.utilization == null) { |
| 1042 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 1043 | } else { |
| 1044 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 1045 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 1046 | } |
| 1047 | } |
| 1048 | expect( |
| 1049 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1050 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1051 | ).workersVirtualTaskEndTimestamp.length |
| 1052 | ).toBe(pool.workerNodes.length) |
| 1053 | // We need to clean up the resources after our test |
| 1054 | await pool.destroy() |
| 1055 | }) |
| 1056 | |
| 1057 | it('Verify FAIR_SHARE strategy can be run in a dynamic pool', async () => { |
| 1058 | const pool = new DynamicThreadPool( |
| 1059 | min, |
| 1060 | max, |
| 1061 | './tests/worker-files/thread/testWorker.js', |
| 1062 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 1063 | ) |
| 1064 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 1065 | const promises = new Set() |
| 1066 | const maxMultiplier = 2 |
| 1067 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1068 | promises.add(pool.execute()) |
| 1069 | } |
| 1070 | await Promise.all(promises) |
| 1071 | for (const workerNode of pool.workerNodes) { |
| 1072 | expect(workerNode.usage).toMatchObject({ |
| 1073 | tasks: { |
| 1074 | executed: expect.any(Number), |
| 1075 | executing: 0, |
| 1076 | queued: 0, |
| 1077 | maxQueued: 0, |
| 1078 | failed: 0 |
| 1079 | }, |
| 1080 | runTime: expect.objectContaining({ |
| 1081 | history: expect.any(CircularArray) |
| 1082 | }), |
| 1083 | waitTime: { |
| 1084 | history: expect.any(CircularArray) |
| 1085 | }, |
| 1086 | elu: { |
| 1087 | idle: expect.objectContaining({ |
| 1088 | history: expect.any(CircularArray) |
| 1089 | }), |
| 1090 | active: expect.objectContaining({ |
| 1091 | history: expect.any(CircularArray) |
| 1092 | }) |
| 1093 | } |
| 1094 | }) |
| 1095 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1096 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1097 | max * maxMultiplier |
| 1098 | ) |
| 1099 | if (workerNode.usage.runTime.aggregate == null) { |
| 1100 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1101 | } else { |
| 1102 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1103 | } |
| 1104 | if (workerNode.usage.runTime.average == null) { |
| 1105 | expect(workerNode.usage.runTime.average).toBeUndefined() |
| 1106 | } else { |
| 1107 | expect(workerNode.usage.runTime.average).toBeGreaterThan(0) |
| 1108 | } |
| 1109 | if (workerNode.usage.elu.utilization == null) { |
| 1110 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 1111 | } else { |
| 1112 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 1113 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 1114 | } |
| 1115 | } |
| 1116 | expect( |
| 1117 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1118 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1119 | ).workersVirtualTaskEndTimestamp.length |
| 1120 | ).toBe(pool.workerNodes.length) |
| 1121 | // We need to clean up the resources after our test |
| 1122 | await pool.destroy() |
| 1123 | }) |
| 1124 | |
| 1125 | it('Verify FAIR_SHARE strategy can be run in a dynamic pool with median runtime statistic', async () => { |
| 1126 | const pool = new DynamicThreadPool( |
| 1127 | min, |
| 1128 | max, |
| 1129 | './tests/worker-files/thread/testWorker.js', |
| 1130 | { |
| 1131 | workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE, |
| 1132 | workerChoiceStrategyOptions: { |
| 1133 | runTime: { median: true } |
| 1134 | } |
| 1135 | } |
| 1136 | ) |
| 1137 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 1138 | const promises = new Set() |
| 1139 | const maxMultiplier = 2 |
| 1140 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1141 | promises.add(pool.execute()) |
| 1142 | } |
| 1143 | await Promise.all(promises) |
| 1144 | for (const workerNode of pool.workerNodes) { |
| 1145 | expect(workerNode.usage).toMatchObject({ |
| 1146 | tasks: { |
| 1147 | executed: expect.any(Number), |
| 1148 | executing: 0, |
| 1149 | queued: 0, |
| 1150 | maxQueued: 0, |
| 1151 | failed: 0 |
| 1152 | }, |
| 1153 | runTime: expect.objectContaining({ |
| 1154 | history: expect.any(CircularArray) |
| 1155 | }), |
| 1156 | waitTime: { |
| 1157 | history: expect.any(CircularArray) |
| 1158 | }, |
| 1159 | elu: { |
| 1160 | idle: expect.objectContaining({ |
| 1161 | history: expect.any(CircularArray) |
| 1162 | }), |
| 1163 | active: expect.objectContaining({ |
| 1164 | history: expect.any(CircularArray) |
| 1165 | }) |
| 1166 | } |
| 1167 | }) |
| 1168 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1169 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1170 | max * maxMultiplier |
| 1171 | ) |
| 1172 | if (workerNode.usage.runTime.aggregate == null) { |
| 1173 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1174 | } else { |
| 1175 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1176 | } |
| 1177 | if (workerNode.usage.runTime.median == null) { |
| 1178 | expect(workerNode.usage.runTime.median).toBeUndefined() |
| 1179 | } else { |
| 1180 | expect(workerNode.usage.runTime.median).toBeGreaterThan(0) |
| 1181 | } |
| 1182 | if (workerNode.usage.elu.utilization == null) { |
| 1183 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 1184 | } else { |
| 1185 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 1186 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 1187 | } |
| 1188 | } |
| 1189 | expect( |
| 1190 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1191 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1192 | ).workersVirtualTaskEndTimestamp.length |
| 1193 | ).toBe(pool.workerNodes.length) |
| 1194 | // We need to clean up the resources after our test |
| 1195 | await pool.destroy() |
| 1196 | }) |
| 1197 | |
| 1198 | it('Verify FAIR_SHARE strategy internals are resets after setting it', async () => { |
| 1199 | const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE |
| 1200 | let pool = new FixedThreadPool( |
| 1201 | max, |
| 1202 | './tests/worker-files/thread/testWorker.js' |
| 1203 | ) |
| 1204 | expect( |
| 1205 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1206 | workerChoiceStrategy |
| 1207 | ).workersVirtualTaskEndTimestamp |
| 1208 | ).toBeInstanceOf(Array) |
| 1209 | expect( |
| 1210 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1211 | workerChoiceStrategy |
| 1212 | ).workersVirtualTaskEndTimestamp.length |
| 1213 | ).toBe(0) |
| 1214 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1215 | workerChoiceStrategy |
| 1216 | ).workersVirtualTaskEndTimestamp[0] = performance.now() |
| 1217 | expect( |
| 1218 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1219 | workerChoiceStrategy |
| 1220 | ).workersVirtualTaskEndTimestamp.length |
| 1221 | ).toBe(1) |
| 1222 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1223 | expect( |
| 1224 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1225 | workerChoiceStrategy |
| 1226 | ).workersVirtualTaskEndTimestamp |
| 1227 | ).toBeInstanceOf(Array) |
| 1228 | expect( |
| 1229 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1230 | workerChoiceStrategy |
| 1231 | ).workersVirtualTaskEndTimestamp.length |
| 1232 | ).toBe(0) |
| 1233 | await pool.destroy() |
| 1234 | pool = new DynamicThreadPool( |
| 1235 | min, |
| 1236 | max, |
| 1237 | './tests/worker-files/thread/testWorker.js' |
| 1238 | ) |
| 1239 | expect( |
| 1240 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1241 | workerChoiceStrategy |
| 1242 | ).workersVirtualTaskEndTimestamp |
| 1243 | ).toBeInstanceOf(Array) |
| 1244 | expect( |
| 1245 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1246 | workerChoiceStrategy |
| 1247 | ).workersVirtualTaskEndTimestamp.length |
| 1248 | ).toBe(0) |
| 1249 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1250 | workerChoiceStrategy |
| 1251 | ).workersVirtualTaskEndTimestamp[0] = performance.now() |
| 1252 | expect( |
| 1253 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1254 | workerChoiceStrategy |
| 1255 | ).workersVirtualTaskEndTimestamp.length |
| 1256 | ).toBe(1) |
| 1257 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1258 | expect( |
| 1259 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1260 | workerChoiceStrategy |
| 1261 | ).workersVirtualTaskEndTimestamp |
| 1262 | ).toBeInstanceOf(Array) |
| 1263 | expect( |
| 1264 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1265 | workerChoiceStrategy |
| 1266 | ).workersVirtualTaskEndTimestamp.length |
| 1267 | ).toBe(0) |
| 1268 | // We need to clean up the resources after our test |
| 1269 | await pool.destroy() |
| 1270 | }) |
| 1271 | |
| 1272 | it('Verify WEIGHTED_ROUND_ROBIN strategy default policy', async () => { |
| 1273 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 1274 | let pool = new FixedThreadPool( |
| 1275 | max, |
| 1276 | './tests/worker-files/thread/testWorker.js', |
| 1277 | { workerChoiceStrategy } |
| 1278 | ) |
| 1279 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 1280 | useDynamicWorker: true |
| 1281 | }) |
| 1282 | await pool.destroy() |
| 1283 | pool = new DynamicThreadPool( |
| 1284 | min, |
| 1285 | max, |
| 1286 | './tests/worker-files/thread/testWorker.js', |
| 1287 | { workerChoiceStrategy } |
| 1288 | ) |
| 1289 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 1290 | useDynamicWorker: true |
| 1291 | }) |
| 1292 | // We need to clean up the resources after our test |
| 1293 | await pool.destroy() |
| 1294 | }) |
| 1295 | |
| 1296 | it('Verify WEIGHTED_ROUND_ROBIN strategy default tasks statistics requirements', async () => { |
| 1297 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 1298 | let pool = new FixedThreadPool( |
| 1299 | max, |
| 1300 | './tests/worker-files/thread/testWorker.js', |
| 1301 | { workerChoiceStrategy } |
| 1302 | ) |
| 1303 | expect( |
| 1304 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 1305 | ).toStrictEqual({ |
| 1306 | runTime: { |
| 1307 | aggregate: true, |
| 1308 | average: true, |
| 1309 | median: false |
| 1310 | }, |
| 1311 | waitTime: { |
| 1312 | aggregate: false, |
| 1313 | average: false, |
| 1314 | median: false |
| 1315 | }, |
| 1316 | elu: { |
| 1317 | aggregate: false, |
| 1318 | average: false, |
| 1319 | median: false |
| 1320 | } |
| 1321 | }) |
| 1322 | await pool.destroy() |
| 1323 | pool = new DynamicThreadPool( |
| 1324 | min, |
| 1325 | max, |
| 1326 | './tests/worker-files/thread/testWorker.js', |
| 1327 | { workerChoiceStrategy } |
| 1328 | ) |
| 1329 | expect( |
| 1330 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 1331 | ).toStrictEqual({ |
| 1332 | runTime: { |
| 1333 | aggregate: true, |
| 1334 | average: true, |
| 1335 | median: false |
| 1336 | }, |
| 1337 | waitTime: { |
| 1338 | aggregate: false, |
| 1339 | average: false, |
| 1340 | median: false |
| 1341 | }, |
| 1342 | elu: { |
| 1343 | aggregate: false, |
| 1344 | average: false, |
| 1345 | median: false |
| 1346 | } |
| 1347 | }) |
| 1348 | // We need to clean up the resources after our test |
| 1349 | await pool.destroy() |
| 1350 | }) |
| 1351 | |
| 1352 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 1353 | const pool = new FixedThreadPool( |
| 1354 | max, |
| 1355 | './tests/worker-files/thread/testWorker.js', |
| 1356 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 1357 | ) |
| 1358 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1359 | const promises = new Set() |
| 1360 | const maxMultiplier = 2 |
| 1361 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1362 | promises.add(pool.execute()) |
| 1363 | } |
| 1364 | await Promise.all(promises) |
| 1365 | for (const workerNode of pool.workerNodes) { |
| 1366 | expect(workerNode.usage).toStrictEqual({ |
| 1367 | tasks: { |
| 1368 | executed: expect.any(Number), |
| 1369 | executing: 0, |
| 1370 | queued: 0, |
| 1371 | maxQueued: 0, |
| 1372 | failed: 0 |
| 1373 | }, |
| 1374 | runTime: expect.objectContaining({ |
| 1375 | history: expect.any(CircularArray) |
| 1376 | }), |
| 1377 | waitTime: { |
| 1378 | history: expect.any(CircularArray) |
| 1379 | }, |
| 1380 | elu: { |
| 1381 | idle: { |
| 1382 | history: expect.any(CircularArray) |
| 1383 | }, |
| 1384 | active: { |
| 1385 | history: expect.any(CircularArray) |
| 1386 | } |
| 1387 | } |
| 1388 | }) |
| 1389 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1390 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1391 | max * maxMultiplier |
| 1392 | ) |
| 1393 | if (workerNode.usage.runTime.aggregate == null) { |
| 1394 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1395 | } else { |
| 1396 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1397 | } |
| 1398 | if (workerNode.usage.runTime.average == null) { |
| 1399 | expect(workerNode.usage.runTime.average).toBeUndefined() |
| 1400 | } else { |
| 1401 | expect(workerNode.usage.runTime.average).toBeGreaterThan(0) |
| 1402 | } |
| 1403 | } |
| 1404 | expect( |
| 1405 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1406 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1407 | ).defaultWorkerWeight |
| 1408 | ).toBeGreaterThan(0) |
| 1409 | expect( |
| 1410 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1411 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1412 | ).workerVirtualTaskRunTime |
| 1413 | ).toBeGreaterThanOrEqual(0) |
| 1414 | // We need to clean up the resources after our test |
| 1415 | await pool.destroy() |
| 1416 | }) |
| 1417 | |
| 1418 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 1419 | const pool = new DynamicThreadPool( |
| 1420 | min, |
| 1421 | max, |
| 1422 | './tests/worker-files/thread/testWorker.js', |
| 1423 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 1424 | ) |
| 1425 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1426 | const promises = new Set() |
| 1427 | const maxMultiplier = 2 |
| 1428 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1429 | promises.add(pool.execute()) |
| 1430 | } |
| 1431 | await Promise.all(promises) |
| 1432 | for (const workerNode of pool.workerNodes) { |
| 1433 | expect(workerNode.usage).toStrictEqual({ |
| 1434 | tasks: { |
| 1435 | executed: expect.any(Number), |
| 1436 | executing: 0, |
| 1437 | queued: 0, |
| 1438 | maxQueued: 0, |
| 1439 | failed: 0 |
| 1440 | }, |
| 1441 | runTime: { |
| 1442 | aggregate: expect.any(Number), |
| 1443 | maximum: expect.any(Number), |
| 1444 | minimum: expect.any(Number), |
| 1445 | average: expect.any(Number), |
| 1446 | history: expect.any(CircularArray) |
| 1447 | }, |
| 1448 | waitTime: { |
| 1449 | history: expect.any(CircularArray) |
| 1450 | }, |
| 1451 | elu: { |
| 1452 | idle: { |
| 1453 | history: expect.any(CircularArray) |
| 1454 | }, |
| 1455 | active: { |
| 1456 | history: expect.any(CircularArray) |
| 1457 | } |
| 1458 | } |
| 1459 | }) |
| 1460 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1461 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1462 | max * maxMultiplier |
| 1463 | ) |
| 1464 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1465 | expect(workerNode.usage.runTime.average).toBeGreaterThan(0) |
| 1466 | } |
| 1467 | expect( |
| 1468 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1469 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1470 | ).defaultWorkerWeight |
| 1471 | ).toBeGreaterThan(0) |
| 1472 | expect( |
| 1473 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1474 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1475 | ).workerVirtualTaskRunTime |
| 1476 | ).toBeGreaterThanOrEqual(0) |
| 1477 | // We need to clean up the resources after our test |
| 1478 | await pool.destroy() |
| 1479 | }) |
| 1480 | |
| 1481 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool with median runtime statistic', async () => { |
| 1482 | const pool = new DynamicThreadPool( |
| 1483 | min, |
| 1484 | max, |
| 1485 | './tests/worker-files/thread/testWorker.js', |
| 1486 | { |
| 1487 | workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN, |
| 1488 | workerChoiceStrategyOptions: { |
| 1489 | runTime: { median: true } |
| 1490 | } |
| 1491 | } |
| 1492 | ) |
| 1493 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1494 | const promises = new Set() |
| 1495 | const maxMultiplier = 2 |
| 1496 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1497 | promises.add(pool.execute()) |
| 1498 | } |
| 1499 | await Promise.all(promises) |
| 1500 | for (const workerNode of pool.workerNodes) { |
| 1501 | expect(workerNode.usage).toStrictEqual({ |
| 1502 | tasks: { |
| 1503 | executed: expect.any(Number), |
| 1504 | executing: 0, |
| 1505 | queued: 0, |
| 1506 | maxQueued: 0, |
| 1507 | failed: 0 |
| 1508 | }, |
| 1509 | runTime: { |
| 1510 | aggregate: expect.any(Number), |
| 1511 | maximum: expect.any(Number), |
| 1512 | minimum: expect.any(Number), |
| 1513 | median: expect.any(Number), |
| 1514 | history: expect.any(CircularArray) |
| 1515 | }, |
| 1516 | waitTime: { |
| 1517 | history: expect.any(CircularArray) |
| 1518 | }, |
| 1519 | elu: { |
| 1520 | idle: { |
| 1521 | history: expect.any(CircularArray) |
| 1522 | }, |
| 1523 | active: { |
| 1524 | history: expect.any(CircularArray) |
| 1525 | } |
| 1526 | } |
| 1527 | }) |
| 1528 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1529 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1530 | max * maxMultiplier |
| 1531 | ) |
| 1532 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1533 | expect(workerNode.usage.runTime.median).toBeGreaterThan(0) |
| 1534 | } |
| 1535 | expect( |
| 1536 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1537 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1538 | ).defaultWorkerWeight |
| 1539 | ).toBeGreaterThan(0) |
| 1540 | expect( |
| 1541 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1542 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1543 | ).workerVirtualTaskRunTime |
| 1544 | ).toBeGreaterThanOrEqual(0) |
| 1545 | // We need to clean up the resources after our test |
| 1546 | await pool.destroy() |
| 1547 | }) |
| 1548 | |
| 1549 | it('Verify WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 1550 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 1551 | let pool = new FixedThreadPool( |
| 1552 | max, |
| 1553 | './tests/worker-files/thread/testWorker.js' |
| 1554 | ) |
| 1555 | expect( |
| 1556 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1557 | workerChoiceStrategy |
| 1558 | ).nextWorkerNodeKey |
| 1559 | ).toBeDefined() |
| 1560 | expect( |
| 1561 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1562 | workerChoiceStrategy |
| 1563 | ).defaultWorkerWeight |
| 1564 | ).toBeDefined() |
| 1565 | expect( |
| 1566 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1567 | workerChoiceStrategy |
| 1568 | ).workerVirtualTaskRunTime |
| 1569 | ).toBeDefined() |
| 1570 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1571 | expect( |
| 1572 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1573 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1574 | ).nextWorkerNodeKey |
| 1575 | ).toBe(0) |
| 1576 | expect( |
| 1577 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1578 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1579 | ).defaultWorkerWeight |
| 1580 | ).toBeGreaterThan(0) |
| 1581 | expect( |
| 1582 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1583 | workerChoiceStrategy |
| 1584 | ).workerVirtualTaskRunTime |
| 1585 | ).toBe(0) |
| 1586 | await pool.destroy() |
| 1587 | pool = new DynamicThreadPool( |
| 1588 | min, |
| 1589 | max, |
| 1590 | './tests/worker-files/thread/testWorker.js' |
| 1591 | ) |
| 1592 | expect( |
| 1593 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1594 | workerChoiceStrategy |
| 1595 | ).nextWorkerNodeKey |
| 1596 | ).toBeDefined() |
| 1597 | expect( |
| 1598 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1599 | workerChoiceStrategy |
| 1600 | ).defaultWorkerWeight |
| 1601 | ).toBeDefined() |
| 1602 | expect( |
| 1603 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1604 | workerChoiceStrategy |
| 1605 | ).workerVirtualTaskRunTime |
| 1606 | ).toBeDefined() |
| 1607 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1608 | expect( |
| 1609 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1610 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1611 | ).nextWorkerNodeKey |
| 1612 | ).toBe(0) |
| 1613 | expect( |
| 1614 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1615 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1616 | ).defaultWorkerWeight |
| 1617 | ).toBeGreaterThan(0) |
| 1618 | expect( |
| 1619 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1620 | workerChoiceStrategy |
| 1621 | ).workerVirtualTaskRunTime |
| 1622 | ).toBe(0) |
| 1623 | // We need to clean up the resources after our test |
| 1624 | await pool.destroy() |
| 1625 | }) |
| 1626 | |
| 1627 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy default policy', async () => { |
| 1628 | const workerChoiceStrategy = |
| 1629 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1630 | let pool = new FixedThreadPool( |
| 1631 | max, |
| 1632 | './tests/worker-files/thread/testWorker.js', |
| 1633 | { workerChoiceStrategy } |
| 1634 | ) |
| 1635 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 1636 | useDynamicWorker: true |
| 1637 | }) |
| 1638 | await pool.destroy() |
| 1639 | pool = new DynamicThreadPool( |
| 1640 | min, |
| 1641 | max, |
| 1642 | './tests/worker-files/thread/testWorker.js', |
| 1643 | { workerChoiceStrategy } |
| 1644 | ) |
| 1645 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 1646 | useDynamicWorker: true |
| 1647 | }) |
| 1648 | // We need to clean up the resources after our test |
| 1649 | await pool.destroy() |
| 1650 | }) |
| 1651 | |
| 1652 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy default tasks statistics requirements', async () => { |
| 1653 | const workerChoiceStrategy = |
| 1654 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1655 | let pool = new FixedThreadPool( |
| 1656 | max, |
| 1657 | './tests/worker-files/thread/testWorker.js', |
| 1658 | { workerChoiceStrategy } |
| 1659 | ) |
| 1660 | expect( |
| 1661 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 1662 | ).toStrictEqual({ |
| 1663 | runTime: { |
| 1664 | aggregate: false, |
| 1665 | average: false, |
| 1666 | median: false |
| 1667 | }, |
| 1668 | waitTime: { |
| 1669 | aggregate: false, |
| 1670 | average: false, |
| 1671 | median: false |
| 1672 | }, |
| 1673 | elu: { |
| 1674 | aggregate: false, |
| 1675 | average: false, |
| 1676 | median: false |
| 1677 | } |
| 1678 | }) |
| 1679 | await pool.destroy() |
| 1680 | pool = new DynamicThreadPool( |
| 1681 | min, |
| 1682 | max, |
| 1683 | './tests/worker-files/thread/testWorker.js', |
| 1684 | { workerChoiceStrategy } |
| 1685 | ) |
| 1686 | expect( |
| 1687 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 1688 | ).toStrictEqual({ |
| 1689 | runTime: { |
| 1690 | aggregate: false, |
| 1691 | average: false, |
| 1692 | median: false |
| 1693 | }, |
| 1694 | waitTime: { |
| 1695 | aggregate: false, |
| 1696 | average: false, |
| 1697 | median: false |
| 1698 | }, |
| 1699 | elu: { |
| 1700 | aggregate: false, |
| 1701 | average: false, |
| 1702 | median: false |
| 1703 | } |
| 1704 | }) |
| 1705 | // We need to clean up the resources after our test |
| 1706 | await pool.destroy() |
| 1707 | }) |
| 1708 | |
| 1709 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 1710 | const pool = new FixedThreadPool( |
| 1711 | max, |
| 1712 | './tests/worker-files/thread/testWorker.js', |
| 1713 | { |
| 1714 | workerChoiceStrategy: |
| 1715 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1716 | } |
| 1717 | ) |
| 1718 | // TODO: Create a better test to cover `InterleavedWeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1719 | const promises = new Set() |
| 1720 | const maxMultiplier = 2 |
| 1721 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1722 | promises.add(pool.execute()) |
| 1723 | } |
| 1724 | await Promise.all(promises) |
| 1725 | for (const workerNode of pool.workerNodes) { |
| 1726 | expect(workerNode.usage).toStrictEqual({ |
| 1727 | tasks: { |
| 1728 | executed: maxMultiplier, |
| 1729 | executing: 0, |
| 1730 | queued: 0, |
| 1731 | maxQueued: 0, |
| 1732 | failed: 0 |
| 1733 | }, |
| 1734 | runTime: { |
| 1735 | history: expect.any(CircularArray) |
| 1736 | }, |
| 1737 | waitTime: { |
| 1738 | history: expect.any(CircularArray) |
| 1739 | }, |
| 1740 | elu: { |
| 1741 | idle: { |
| 1742 | history: expect.any(CircularArray) |
| 1743 | }, |
| 1744 | active: { |
| 1745 | history: expect.any(CircularArray) |
| 1746 | } |
| 1747 | } |
| 1748 | }) |
| 1749 | } |
| 1750 | expect( |
| 1751 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1752 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1753 | ).defaultWorkerWeight |
| 1754 | ).toBeGreaterThan(0) |
| 1755 | expect( |
| 1756 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1757 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1758 | ).roundId |
| 1759 | ).toBe(0) |
| 1760 | expect( |
| 1761 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1762 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1763 | ).nextWorkerNodeKey |
| 1764 | ).toBe(0) |
| 1765 | expect( |
| 1766 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1767 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1768 | ).roundWeights |
| 1769 | ).toStrictEqual([ |
| 1770 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1771 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1772 | ).defaultWorkerWeight |
| 1773 | ]) |
| 1774 | // We need to clean up the resources after our test |
| 1775 | await pool.destroy() |
| 1776 | }) |
| 1777 | |
| 1778 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 1779 | const pool = new DynamicThreadPool( |
| 1780 | min, |
| 1781 | max, |
| 1782 | './tests/worker-files/thread/testWorker.js', |
| 1783 | { |
| 1784 | workerChoiceStrategy: |
| 1785 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1786 | } |
| 1787 | ) |
| 1788 | // TODO: Create a better test to cover `InterleavedWeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1789 | const promises = new Set() |
| 1790 | const maxMultiplier = 2 |
| 1791 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1792 | promises.add(pool.execute()) |
| 1793 | } |
| 1794 | await Promise.all(promises) |
| 1795 | for (const workerNode of pool.workerNodes) { |
| 1796 | expect(workerNode.usage).toStrictEqual({ |
| 1797 | tasks: { |
| 1798 | executed: maxMultiplier, |
| 1799 | executing: 0, |
| 1800 | queued: 0, |
| 1801 | maxQueued: 0, |
| 1802 | failed: 0 |
| 1803 | }, |
| 1804 | runTime: { |
| 1805 | history: expect.any(CircularArray) |
| 1806 | }, |
| 1807 | waitTime: { |
| 1808 | history: expect.any(CircularArray) |
| 1809 | }, |
| 1810 | elu: { |
| 1811 | idle: { |
| 1812 | history: expect.any(CircularArray) |
| 1813 | }, |
| 1814 | active: { |
| 1815 | history: expect.any(CircularArray) |
| 1816 | } |
| 1817 | } |
| 1818 | }) |
| 1819 | } |
| 1820 | expect( |
| 1821 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1822 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1823 | ).defaultWorkerWeight |
| 1824 | ).toBeGreaterThan(0) |
| 1825 | expect( |
| 1826 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1827 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1828 | ).roundId |
| 1829 | ).toBe(0) |
| 1830 | expect( |
| 1831 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1832 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1833 | ).nextWorkerNodeKey |
| 1834 | ).toBe(0) |
| 1835 | expect( |
| 1836 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1837 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1838 | ).roundWeights |
| 1839 | ).toStrictEqual([ |
| 1840 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1841 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1842 | ).defaultWorkerWeight |
| 1843 | ]) |
| 1844 | // We need to clean up the resources after our test |
| 1845 | await pool.destroy() |
| 1846 | }) |
| 1847 | |
| 1848 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 1849 | const workerChoiceStrategy = |
| 1850 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1851 | let pool = new FixedThreadPool( |
| 1852 | max, |
| 1853 | './tests/worker-files/thread/testWorker.js' |
| 1854 | ) |
| 1855 | expect( |
| 1856 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1857 | workerChoiceStrategy |
| 1858 | ).roundId |
| 1859 | ).toBeDefined() |
| 1860 | expect( |
| 1861 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1862 | workerChoiceStrategy |
| 1863 | ).nextWorkerNodeKey |
| 1864 | ).toBeDefined() |
| 1865 | expect( |
| 1866 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1867 | workerChoiceStrategy |
| 1868 | ).defaultWorkerWeight |
| 1869 | ).toBeDefined() |
| 1870 | expect( |
| 1871 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1872 | workerChoiceStrategy |
| 1873 | ).roundWeights |
| 1874 | ).toBeDefined() |
| 1875 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1876 | expect( |
| 1877 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1878 | workerChoiceStrategy |
| 1879 | ).roundId |
| 1880 | ).toBe(0) |
| 1881 | expect( |
| 1882 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1883 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1884 | ).nextWorkerNodeKey |
| 1885 | ).toBe(0) |
| 1886 | expect( |
| 1887 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1888 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1889 | ).defaultWorkerWeight |
| 1890 | ).toBeGreaterThan(0) |
| 1891 | expect( |
| 1892 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1893 | workerChoiceStrategy |
| 1894 | ).roundWeights |
| 1895 | ).toStrictEqual([ |
| 1896 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1897 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1898 | ).defaultWorkerWeight |
| 1899 | ]) |
| 1900 | await pool.destroy() |
| 1901 | pool = new DynamicThreadPool( |
| 1902 | min, |
| 1903 | max, |
| 1904 | './tests/worker-files/thread/testWorker.js' |
| 1905 | ) |
| 1906 | expect( |
| 1907 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1908 | workerChoiceStrategy |
| 1909 | ).roundId |
| 1910 | ).toBeDefined() |
| 1911 | expect( |
| 1912 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1913 | workerChoiceStrategy |
| 1914 | ).nextWorkerNodeKey |
| 1915 | ).toBeDefined() |
| 1916 | expect( |
| 1917 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1918 | workerChoiceStrategy |
| 1919 | ).defaultWorkerWeight |
| 1920 | ).toBeDefined() |
| 1921 | expect( |
| 1922 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1923 | workerChoiceStrategy |
| 1924 | ).roundWeights |
| 1925 | ).toBeDefined() |
| 1926 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1927 | expect( |
| 1928 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1929 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1930 | ).nextWorkerNodeKey |
| 1931 | ).toBe(0) |
| 1932 | expect( |
| 1933 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1934 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1935 | ).defaultWorkerWeight |
| 1936 | ).toBeGreaterThan(0) |
| 1937 | expect( |
| 1938 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1939 | workerChoiceStrategy |
| 1940 | ).roundWeights |
| 1941 | ).toStrictEqual([ |
| 1942 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1943 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1944 | ).defaultWorkerWeight |
| 1945 | ]) |
| 1946 | // We need to clean up the resources after our test |
| 1947 | await pool.destroy() |
| 1948 | }) |
| 1949 | |
| 1950 | it('Verify unknown strategy throw error', () => { |
| 1951 | expect( |
| 1952 | () => |
| 1953 | new DynamicThreadPool( |
| 1954 | min, |
| 1955 | max, |
| 1956 | './tests/worker-files/thread/testWorker.js', |
| 1957 | { workerChoiceStrategy: 'UNKNOWN_STRATEGY' } |
| 1958 | ) |
| 1959 | ).toThrowError("Invalid worker choice strategy 'UNKNOWN_STRATEGY'") |
| 1960 | }) |
| 1961 | }) |