| 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 | dynamicWorkerUsage: false, |
| 127 | dynamicWorkerReady: true |
| 128 | }) |
| 129 | await pool.destroy() |
| 130 | pool = new DynamicThreadPool( |
| 131 | min, |
| 132 | max, |
| 133 | './tests/worker-files/thread/testWorker.js', |
| 134 | { workerChoiceStrategy } |
| 135 | ) |
| 136 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 137 | dynamicWorkerUsage: false, |
| 138 | dynamicWorkerReady: true |
| 139 | }) |
| 140 | // We need to clean up the resources after our test |
| 141 | await pool.destroy() |
| 142 | }) |
| 143 | |
| 144 | it('Verify ROUND_ROBIN strategy default tasks statistics requirements', async () => { |
| 145 | const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN |
| 146 | let pool = new FixedThreadPool( |
| 147 | max, |
| 148 | './tests/worker-files/thread/testWorker.js', |
| 149 | { workerChoiceStrategy } |
| 150 | ) |
| 151 | expect( |
| 152 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 153 | ).toStrictEqual({ |
| 154 | runTime: { |
| 155 | aggregate: false, |
| 156 | average: false, |
| 157 | median: false |
| 158 | }, |
| 159 | waitTime: { |
| 160 | aggregate: false, |
| 161 | average: false, |
| 162 | median: false |
| 163 | }, |
| 164 | elu: { |
| 165 | aggregate: false, |
| 166 | average: false, |
| 167 | median: false |
| 168 | } |
| 169 | }) |
| 170 | await pool.destroy() |
| 171 | pool = new DynamicThreadPool( |
| 172 | min, |
| 173 | max, |
| 174 | './tests/worker-files/thread/testWorker.js', |
| 175 | { workerChoiceStrategy } |
| 176 | ) |
| 177 | expect( |
| 178 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 179 | ).toStrictEqual({ |
| 180 | runTime: { |
| 181 | aggregate: false, |
| 182 | average: false, |
| 183 | median: false |
| 184 | }, |
| 185 | waitTime: { |
| 186 | aggregate: false, |
| 187 | average: false, |
| 188 | median: false |
| 189 | }, |
| 190 | elu: { |
| 191 | aggregate: false, |
| 192 | average: false, |
| 193 | median: false |
| 194 | } |
| 195 | }) |
| 196 | // We need to clean up the resources after our test |
| 197 | await pool.destroy() |
| 198 | }) |
| 199 | |
| 200 | it('Verify ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 201 | const pool = new FixedThreadPool( |
| 202 | max, |
| 203 | './tests/worker-files/thread/testWorker.js', |
| 204 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 205 | ) |
| 206 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 207 | const promises = new Set() |
| 208 | const maxMultiplier = 2 |
| 209 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 210 | promises.add(pool.execute()) |
| 211 | } |
| 212 | await Promise.all(promises) |
| 213 | for (const workerNode of pool.workerNodes) { |
| 214 | expect(workerNode.usage).toStrictEqual({ |
| 215 | tasks: { |
| 216 | executed: maxMultiplier, |
| 217 | executing: 0, |
| 218 | queued: 0, |
| 219 | maxQueued: 0, |
| 220 | stolen: 0, |
| 221 | failed: 0 |
| 222 | }, |
| 223 | runTime: { |
| 224 | history: expect.any(CircularArray) |
| 225 | }, |
| 226 | waitTime: { |
| 227 | history: expect.any(CircularArray) |
| 228 | }, |
| 229 | elu: { |
| 230 | idle: { |
| 231 | history: expect.any(CircularArray) |
| 232 | }, |
| 233 | active: { |
| 234 | history: expect.any(CircularArray) |
| 235 | } |
| 236 | } |
| 237 | }) |
| 238 | } |
| 239 | expect( |
| 240 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 241 | WorkerChoiceStrategies.ROUND_ROBIN |
| 242 | ).nextWorkerNodeKey |
| 243 | ).toBe(0) |
| 244 | // We need to clean up the resources after our test |
| 245 | await pool.destroy() |
| 246 | }) |
| 247 | |
| 248 | it('Verify ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 249 | const pool = new DynamicThreadPool( |
| 250 | min, |
| 251 | max, |
| 252 | './tests/worker-files/thread/testWorker.js', |
| 253 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 254 | ) |
| 255 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 256 | const promises = new Set() |
| 257 | const maxMultiplier = 2 |
| 258 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 259 | promises.add(pool.execute()) |
| 260 | } |
| 261 | await Promise.all(promises) |
| 262 | for (const workerNode of pool.workerNodes) { |
| 263 | expect(workerNode.usage).toStrictEqual({ |
| 264 | tasks: { |
| 265 | executed: expect.any(Number), |
| 266 | executing: 0, |
| 267 | queued: 0, |
| 268 | maxQueued: 0, |
| 269 | stolen: 0, |
| 270 | failed: 0 |
| 271 | }, |
| 272 | runTime: { |
| 273 | history: expect.any(CircularArray) |
| 274 | }, |
| 275 | waitTime: { |
| 276 | history: expect.any(CircularArray) |
| 277 | }, |
| 278 | elu: { |
| 279 | idle: { |
| 280 | history: expect.any(CircularArray) |
| 281 | }, |
| 282 | active: { |
| 283 | history: expect.any(CircularArray) |
| 284 | } |
| 285 | } |
| 286 | }) |
| 287 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 288 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 289 | max * maxMultiplier |
| 290 | ) |
| 291 | } |
| 292 | expect( |
| 293 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 294 | WorkerChoiceStrategies.ROUND_ROBIN |
| 295 | ).nextWorkerNodeKey |
| 296 | ).toBe(0) |
| 297 | // We need to clean up the resources after our test |
| 298 | await pool.destroy() |
| 299 | }) |
| 300 | |
| 301 | it('Verify ROUND_ROBIN strategy runtime behavior', async () => { |
| 302 | const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN |
| 303 | let pool = new FixedClusterPool( |
| 304 | max, |
| 305 | './tests/worker-files/cluster/testWorker.js', |
| 306 | { workerChoiceStrategy } |
| 307 | ) |
| 308 | let results = new Set() |
| 309 | for (let i = 0; i < max; i++) { |
| 310 | results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.id) |
| 311 | } |
| 312 | expect(results.size).toBe(max) |
| 313 | await pool.destroy() |
| 314 | pool = new FixedThreadPool( |
| 315 | max, |
| 316 | './tests/worker-files/thread/testWorker.js', |
| 317 | { workerChoiceStrategy } |
| 318 | ) |
| 319 | results = new Set() |
| 320 | for (let i = 0; i < max; i++) { |
| 321 | results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.threadId) |
| 322 | } |
| 323 | expect(results.size).toBe(max) |
| 324 | await pool.destroy() |
| 325 | }) |
| 326 | |
| 327 | it('Verify ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 328 | const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN |
| 329 | let pool = new FixedThreadPool( |
| 330 | max, |
| 331 | './tests/worker-files/thread/testWorker.js', |
| 332 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 333 | ) |
| 334 | expect( |
| 335 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 336 | workerChoiceStrategy |
| 337 | ).nextWorkerNodeKey |
| 338 | ).toBeDefined() |
| 339 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 340 | expect( |
| 341 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 342 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 343 | ).nextWorkerNodeKey |
| 344 | ).toBe(0) |
| 345 | await pool.destroy() |
| 346 | pool = new DynamicThreadPool( |
| 347 | min, |
| 348 | max, |
| 349 | './tests/worker-files/thread/testWorker.js', |
| 350 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 351 | ) |
| 352 | expect( |
| 353 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 354 | workerChoiceStrategy |
| 355 | ).nextWorkerNodeKey |
| 356 | ).toBeDefined() |
| 357 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 358 | expect( |
| 359 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 360 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 361 | ).nextWorkerNodeKey |
| 362 | ).toBe(0) |
| 363 | // We need to clean up the resources after our test |
| 364 | await pool.destroy() |
| 365 | }) |
| 366 | |
| 367 | it('Verify LEAST_USED strategy default policy', async () => { |
| 368 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED |
| 369 | let pool = new FixedThreadPool( |
| 370 | max, |
| 371 | './tests/worker-files/thread/testWorker.js', |
| 372 | { workerChoiceStrategy } |
| 373 | ) |
| 374 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 375 | dynamicWorkerUsage: false, |
| 376 | dynamicWorkerReady: true |
| 377 | }) |
| 378 | await pool.destroy() |
| 379 | pool = new DynamicThreadPool( |
| 380 | min, |
| 381 | max, |
| 382 | './tests/worker-files/thread/testWorker.js', |
| 383 | { workerChoiceStrategy } |
| 384 | ) |
| 385 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 386 | dynamicWorkerUsage: false, |
| 387 | dynamicWorkerReady: true |
| 388 | }) |
| 389 | // We need to clean up the resources after our test |
| 390 | await pool.destroy() |
| 391 | }) |
| 392 | |
| 393 | it('Verify LEAST_USED strategy default tasks statistics requirements', async () => { |
| 394 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED |
| 395 | let pool = new FixedThreadPool( |
| 396 | max, |
| 397 | './tests/worker-files/thread/testWorker.js', |
| 398 | { workerChoiceStrategy } |
| 399 | ) |
| 400 | expect( |
| 401 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 402 | ).toStrictEqual({ |
| 403 | runTime: { |
| 404 | aggregate: false, |
| 405 | average: false, |
| 406 | median: false |
| 407 | }, |
| 408 | waitTime: { |
| 409 | aggregate: false, |
| 410 | average: false, |
| 411 | median: false |
| 412 | }, |
| 413 | elu: { |
| 414 | aggregate: false, |
| 415 | average: false, |
| 416 | median: false |
| 417 | } |
| 418 | }) |
| 419 | await pool.destroy() |
| 420 | pool = new DynamicThreadPool( |
| 421 | min, |
| 422 | max, |
| 423 | './tests/worker-files/thread/testWorker.js', |
| 424 | { workerChoiceStrategy } |
| 425 | ) |
| 426 | expect( |
| 427 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 428 | ).toStrictEqual({ |
| 429 | runTime: { |
| 430 | aggregate: false, |
| 431 | average: false, |
| 432 | median: false |
| 433 | }, |
| 434 | waitTime: { |
| 435 | aggregate: false, |
| 436 | average: false, |
| 437 | median: false |
| 438 | }, |
| 439 | elu: { |
| 440 | aggregate: false, |
| 441 | average: false, |
| 442 | median: false |
| 443 | } |
| 444 | }) |
| 445 | // We need to clean up the resources after our test |
| 446 | await pool.destroy() |
| 447 | }) |
| 448 | |
| 449 | it('Verify LEAST_USED strategy can be run in a fixed pool', async () => { |
| 450 | const pool = new FixedThreadPool( |
| 451 | max, |
| 452 | './tests/worker-files/thread/testWorker.js', |
| 453 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } |
| 454 | ) |
| 455 | // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` |
| 456 | const promises = new Set() |
| 457 | const maxMultiplier = 2 |
| 458 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 459 | promises.add(pool.execute()) |
| 460 | } |
| 461 | await Promise.all(promises) |
| 462 | for (const workerNode of pool.workerNodes) { |
| 463 | expect(workerNode.usage).toStrictEqual({ |
| 464 | tasks: { |
| 465 | executed: expect.any(Number), |
| 466 | executing: 0, |
| 467 | queued: 0, |
| 468 | maxQueued: 0, |
| 469 | stolen: 0, |
| 470 | failed: 0 |
| 471 | }, |
| 472 | runTime: { |
| 473 | history: expect.any(CircularArray) |
| 474 | }, |
| 475 | waitTime: { |
| 476 | history: expect.any(CircularArray) |
| 477 | }, |
| 478 | elu: { |
| 479 | idle: { |
| 480 | history: expect.any(CircularArray) |
| 481 | }, |
| 482 | active: { |
| 483 | history: expect.any(CircularArray) |
| 484 | } |
| 485 | } |
| 486 | }) |
| 487 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 488 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 489 | max * maxMultiplier |
| 490 | ) |
| 491 | } |
| 492 | // We need to clean up the resources after our test |
| 493 | await pool.destroy() |
| 494 | }) |
| 495 | |
| 496 | it('Verify LEAST_USED strategy can be run in a dynamic pool', async () => { |
| 497 | const pool = new DynamicThreadPool( |
| 498 | min, |
| 499 | max, |
| 500 | './tests/worker-files/thread/testWorker.js', |
| 501 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } |
| 502 | ) |
| 503 | // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` |
| 504 | const promises = new Set() |
| 505 | const maxMultiplier = 2 |
| 506 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 507 | promises.add(pool.execute()) |
| 508 | } |
| 509 | await Promise.all(promises) |
| 510 | for (const workerNode of pool.workerNodes) { |
| 511 | expect(workerNode.usage).toStrictEqual({ |
| 512 | tasks: { |
| 513 | executed: expect.any(Number), |
| 514 | executing: 0, |
| 515 | queued: 0, |
| 516 | maxQueued: 0, |
| 517 | stolen: 0, |
| 518 | failed: 0 |
| 519 | }, |
| 520 | runTime: { |
| 521 | history: expect.any(CircularArray) |
| 522 | }, |
| 523 | waitTime: { |
| 524 | history: expect.any(CircularArray) |
| 525 | }, |
| 526 | elu: { |
| 527 | idle: { |
| 528 | history: expect.any(CircularArray) |
| 529 | }, |
| 530 | active: { |
| 531 | history: expect.any(CircularArray) |
| 532 | } |
| 533 | } |
| 534 | }) |
| 535 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 536 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 537 | max * maxMultiplier |
| 538 | ) |
| 539 | } |
| 540 | // We need to clean up the resources after our test |
| 541 | await pool.destroy() |
| 542 | }) |
| 543 | |
| 544 | it('Verify LEAST_BUSY strategy default policy', async () => { |
| 545 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY |
| 546 | let pool = new FixedThreadPool( |
| 547 | max, |
| 548 | './tests/worker-files/thread/testWorker.js', |
| 549 | { workerChoiceStrategy } |
| 550 | ) |
| 551 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 552 | dynamicWorkerUsage: false, |
| 553 | dynamicWorkerReady: true |
| 554 | }) |
| 555 | await pool.destroy() |
| 556 | pool = new DynamicThreadPool( |
| 557 | min, |
| 558 | max, |
| 559 | './tests/worker-files/thread/testWorker.js', |
| 560 | { workerChoiceStrategy } |
| 561 | ) |
| 562 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 563 | dynamicWorkerUsage: false, |
| 564 | dynamicWorkerReady: true |
| 565 | }) |
| 566 | // We need to clean up the resources after our test |
| 567 | await pool.destroy() |
| 568 | }) |
| 569 | |
| 570 | it('Verify LEAST_BUSY strategy default tasks statistics requirements', async () => { |
| 571 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY |
| 572 | let pool = new FixedThreadPool( |
| 573 | max, |
| 574 | './tests/worker-files/thread/testWorker.js', |
| 575 | { workerChoiceStrategy } |
| 576 | ) |
| 577 | expect( |
| 578 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 579 | ).toStrictEqual({ |
| 580 | runTime: { |
| 581 | aggregate: true, |
| 582 | average: false, |
| 583 | median: false |
| 584 | }, |
| 585 | waitTime: { |
| 586 | aggregate: true, |
| 587 | average: false, |
| 588 | median: false |
| 589 | }, |
| 590 | elu: { |
| 591 | aggregate: false, |
| 592 | average: false, |
| 593 | median: false |
| 594 | } |
| 595 | }) |
| 596 | await pool.destroy() |
| 597 | pool = new DynamicThreadPool( |
| 598 | min, |
| 599 | max, |
| 600 | './tests/worker-files/thread/testWorker.js', |
| 601 | { workerChoiceStrategy } |
| 602 | ) |
| 603 | expect( |
| 604 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 605 | ).toStrictEqual({ |
| 606 | runTime: { |
| 607 | aggregate: true, |
| 608 | average: false, |
| 609 | median: false |
| 610 | }, |
| 611 | waitTime: { |
| 612 | aggregate: true, |
| 613 | average: false, |
| 614 | median: false |
| 615 | }, |
| 616 | elu: { |
| 617 | aggregate: false, |
| 618 | average: false, |
| 619 | median: false |
| 620 | } |
| 621 | }) |
| 622 | // We need to clean up the resources after our test |
| 623 | await pool.destroy() |
| 624 | }) |
| 625 | |
| 626 | it('Verify LEAST_BUSY strategy can be run in a fixed pool', async () => { |
| 627 | const pool = new FixedThreadPool( |
| 628 | max, |
| 629 | './tests/worker-files/thread/testWorker.js', |
| 630 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } |
| 631 | ) |
| 632 | // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` |
| 633 | const promises = new Set() |
| 634 | const maxMultiplier = 2 |
| 635 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 636 | promises.add(pool.execute()) |
| 637 | } |
| 638 | await Promise.all(promises) |
| 639 | for (const workerNode of pool.workerNodes) { |
| 640 | expect(workerNode.usage).toMatchObject({ |
| 641 | tasks: { |
| 642 | executed: expect.any(Number), |
| 643 | executing: 0, |
| 644 | queued: 0, |
| 645 | maxQueued: 0, |
| 646 | stolen: 0, |
| 647 | failed: 0 |
| 648 | }, |
| 649 | runTime: { |
| 650 | history: expect.any(CircularArray) |
| 651 | }, |
| 652 | waitTime: { |
| 653 | history: expect.any(CircularArray) |
| 654 | }, |
| 655 | elu: { |
| 656 | idle: { |
| 657 | history: expect.any(CircularArray) |
| 658 | }, |
| 659 | active: { |
| 660 | history: expect.any(CircularArray) |
| 661 | } |
| 662 | } |
| 663 | }) |
| 664 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 665 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 666 | max * maxMultiplier |
| 667 | ) |
| 668 | if (workerNode.usage.runTime.aggregate == null) { |
| 669 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 670 | } else { |
| 671 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 672 | } |
| 673 | if (workerNode.usage.waitTime.aggregate == null) { |
| 674 | expect(workerNode.usage.waitTime.aggregate).toBeUndefined() |
| 675 | } else { |
| 676 | expect(workerNode.usage.waitTime.aggregate).toBeGreaterThan(0) |
| 677 | } |
| 678 | } |
| 679 | // We need to clean up the resources after our test |
| 680 | await pool.destroy() |
| 681 | }) |
| 682 | |
| 683 | it('Verify LEAST_BUSY strategy can be run in a dynamic pool', async () => { |
| 684 | const pool = new DynamicThreadPool( |
| 685 | min, |
| 686 | max, |
| 687 | './tests/worker-files/thread/testWorker.js', |
| 688 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } |
| 689 | ) |
| 690 | // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` |
| 691 | const promises = new Set() |
| 692 | const maxMultiplier = 2 |
| 693 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 694 | promises.add(pool.execute()) |
| 695 | } |
| 696 | await Promise.all(promises) |
| 697 | for (const workerNode of pool.workerNodes) { |
| 698 | expect(workerNode.usage).toMatchObject({ |
| 699 | tasks: { |
| 700 | executed: expect.any(Number), |
| 701 | executing: 0, |
| 702 | queued: 0, |
| 703 | maxQueued: 0, |
| 704 | stolen: 0, |
| 705 | failed: 0 |
| 706 | }, |
| 707 | runTime: { |
| 708 | history: expect.any(CircularArray) |
| 709 | }, |
| 710 | waitTime: { |
| 711 | history: expect.any(CircularArray) |
| 712 | }, |
| 713 | elu: { |
| 714 | idle: { |
| 715 | history: expect.any(CircularArray) |
| 716 | }, |
| 717 | active: { |
| 718 | history: expect.any(CircularArray) |
| 719 | } |
| 720 | } |
| 721 | }) |
| 722 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 723 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 724 | max * maxMultiplier |
| 725 | ) |
| 726 | if (workerNode.usage.runTime.aggregate == null) { |
| 727 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 728 | } else { |
| 729 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 730 | } |
| 731 | if (workerNode.usage.waitTime.aggregate == null) { |
| 732 | expect(workerNode.usage.waitTime.aggregate).toBeUndefined() |
| 733 | } else { |
| 734 | expect(workerNode.usage.waitTime.aggregate).toBeGreaterThan(0) |
| 735 | } |
| 736 | } |
| 737 | // We need to clean up the resources after our test |
| 738 | await pool.destroy() |
| 739 | }) |
| 740 | |
| 741 | it('Verify LEAST_ELU strategy default policy', async () => { |
| 742 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_ELU |
| 743 | let pool = new FixedThreadPool( |
| 744 | max, |
| 745 | './tests/worker-files/thread/testWorker.js', |
| 746 | { workerChoiceStrategy } |
| 747 | ) |
| 748 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 749 | dynamicWorkerUsage: false, |
| 750 | dynamicWorkerReady: true |
| 751 | }) |
| 752 | await pool.destroy() |
| 753 | pool = new DynamicThreadPool( |
| 754 | min, |
| 755 | max, |
| 756 | './tests/worker-files/thread/testWorker.js', |
| 757 | { workerChoiceStrategy } |
| 758 | ) |
| 759 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 760 | dynamicWorkerUsage: false, |
| 761 | dynamicWorkerReady: true |
| 762 | }) |
| 763 | // We need to clean up the resources after our test |
| 764 | await pool.destroy() |
| 765 | }) |
| 766 | |
| 767 | it('Verify LEAST_ELU strategy default tasks statistics requirements', async () => { |
| 768 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_ELU |
| 769 | let pool = new FixedThreadPool( |
| 770 | max, |
| 771 | './tests/worker-files/thread/testWorker.js', |
| 772 | { workerChoiceStrategy } |
| 773 | ) |
| 774 | expect( |
| 775 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 776 | ).toStrictEqual({ |
| 777 | runTime: { |
| 778 | aggregate: false, |
| 779 | average: false, |
| 780 | median: false |
| 781 | }, |
| 782 | waitTime: { |
| 783 | aggregate: false, |
| 784 | average: false, |
| 785 | median: false |
| 786 | }, |
| 787 | elu: { |
| 788 | aggregate: true, |
| 789 | average: false, |
| 790 | median: false |
| 791 | } |
| 792 | }) |
| 793 | await pool.destroy() |
| 794 | pool = new DynamicThreadPool( |
| 795 | min, |
| 796 | max, |
| 797 | './tests/worker-files/thread/testWorker.js', |
| 798 | { workerChoiceStrategy } |
| 799 | ) |
| 800 | expect( |
| 801 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 802 | ).toStrictEqual({ |
| 803 | runTime: { |
| 804 | aggregate: false, |
| 805 | average: false, |
| 806 | median: false |
| 807 | }, |
| 808 | waitTime: { |
| 809 | aggregate: false, |
| 810 | average: false, |
| 811 | median: false |
| 812 | }, |
| 813 | elu: { |
| 814 | aggregate: true, |
| 815 | average: false, |
| 816 | median: false |
| 817 | } |
| 818 | }) |
| 819 | // We need to clean up the resources after our test |
| 820 | await pool.destroy() |
| 821 | }) |
| 822 | |
| 823 | it('Verify LEAST_ELU strategy can be run in a fixed pool', async () => { |
| 824 | const pool = new FixedThreadPool( |
| 825 | max, |
| 826 | './tests/worker-files/thread/testWorker.js', |
| 827 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_ELU } |
| 828 | ) |
| 829 | // TODO: Create a better test to cover `LeastEluWorkerChoiceStrategy#choose` |
| 830 | const promises = new Set() |
| 831 | const maxMultiplier = 2 |
| 832 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 833 | promises.add(pool.execute()) |
| 834 | } |
| 835 | await Promise.all(promises) |
| 836 | for (const workerNode of pool.workerNodes) { |
| 837 | expect(workerNode.usage).toMatchObject({ |
| 838 | tasks: { |
| 839 | executed: expect.any(Number), |
| 840 | executing: 0, |
| 841 | queued: 0, |
| 842 | maxQueued: 0, |
| 843 | stolen: 0, |
| 844 | failed: 0 |
| 845 | }, |
| 846 | runTime: { |
| 847 | history: expect.any(CircularArray) |
| 848 | }, |
| 849 | waitTime: { |
| 850 | history: expect.any(CircularArray) |
| 851 | }, |
| 852 | elu: { |
| 853 | idle: { |
| 854 | history: expect.any(CircularArray) |
| 855 | }, |
| 856 | active: { |
| 857 | history: expect.any(CircularArray) |
| 858 | } |
| 859 | } |
| 860 | }) |
| 861 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 862 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 863 | max * maxMultiplier |
| 864 | ) |
| 865 | if (workerNode.usage.elu.utilization == null) { |
| 866 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 867 | } else { |
| 868 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 869 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 870 | } |
| 871 | } |
| 872 | // We need to clean up the resources after our test |
| 873 | await pool.destroy() |
| 874 | }) |
| 875 | |
| 876 | it('Verify LEAST_ELU strategy can be run in a dynamic pool', async () => { |
| 877 | const pool = new DynamicThreadPool( |
| 878 | min, |
| 879 | max, |
| 880 | './tests/worker-files/thread/testWorker.js', |
| 881 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_ELU } |
| 882 | ) |
| 883 | // TODO: Create a better test to cover `LeastEluWorkerChoiceStrategy#choose` |
| 884 | const promises = new Set() |
| 885 | const maxMultiplier = 2 |
| 886 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 887 | promises.add(pool.execute()) |
| 888 | } |
| 889 | await Promise.all(promises) |
| 890 | for (const workerNode of pool.workerNodes) { |
| 891 | expect(workerNode.usage).toMatchObject({ |
| 892 | tasks: { |
| 893 | executed: expect.any(Number), |
| 894 | executing: 0, |
| 895 | queued: 0, |
| 896 | maxQueued: 0, |
| 897 | stolen: 0, |
| 898 | failed: 0 |
| 899 | }, |
| 900 | runTime: { |
| 901 | history: expect.any(CircularArray) |
| 902 | }, |
| 903 | waitTime: { |
| 904 | history: expect.any(CircularArray) |
| 905 | }, |
| 906 | elu: { |
| 907 | idle: { |
| 908 | history: expect.any(CircularArray) |
| 909 | }, |
| 910 | active: { |
| 911 | history: expect.any(CircularArray) |
| 912 | } |
| 913 | } |
| 914 | }) |
| 915 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 916 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 917 | max * maxMultiplier |
| 918 | ) |
| 919 | if (workerNode.usage.elu.utilization == null) { |
| 920 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 921 | } else { |
| 922 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 923 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 924 | } |
| 925 | } |
| 926 | // We need to clean up the resources after our test |
| 927 | await pool.destroy() |
| 928 | }) |
| 929 | |
| 930 | it('Verify FAIR_SHARE strategy default policy', async () => { |
| 931 | const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE |
| 932 | let pool = new FixedThreadPool( |
| 933 | max, |
| 934 | './tests/worker-files/thread/testWorker.js', |
| 935 | { workerChoiceStrategy } |
| 936 | ) |
| 937 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 938 | dynamicWorkerUsage: false, |
| 939 | dynamicWorkerReady: true |
| 940 | }) |
| 941 | await pool.destroy() |
| 942 | pool = new DynamicThreadPool( |
| 943 | min, |
| 944 | max, |
| 945 | './tests/worker-files/thread/testWorker.js', |
| 946 | { workerChoiceStrategy } |
| 947 | ) |
| 948 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 949 | dynamicWorkerUsage: false, |
| 950 | dynamicWorkerReady: true |
| 951 | }) |
| 952 | // We need to clean up the resources after our test |
| 953 | await pool.destroy() |
| 954 | }) |
| 955 | |
| 956 | it('Verify FAIR_SHARE strategy default tasks statistics requirements', async () => { |
| 957 | const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE |
| 958 | let pool = new FixedThreadPool( |
| 959 | max, |
| 960 | './tests/worker-files/thread/testWorker.js', |
| 961 | { workerChoiceStrategy } |
| 962 | ) |
| 963 | expect( |
| 964 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 965 | ).toStrictEqual({ |
| 966 | runTime: { |
| 967 | aggregate: true, |
| 968 | average: true, |
| 969 | median: false |
| 970 | }, |
| 971 | waitTime: { |
| 972 | aggregate: false, |
| 973 | average: false, |
| 974 | median: false |
| 975 | }, |
| 976 | elu: { |
| 977 | aggregate: true, |
| 978 | average: true, |
| 979 | median: false |
| 980 | } |
| 981 | }) |
| 982 | await pool.destroy() |
| 983 | pool = new DynamicThreadPool( |
| 984 | min, |
| 985 | max, |
| 986 | './tests/worker-files/thread/testWorker.js', |
| 987 | { workerChoiceStrategy } |
| 988 | ) |
| 989 | expect( |
| 990 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 991 | ).toStrictEqual({ |
| 992 | runTime: { |
| 993 | aggregate: true, |
| 994 | average: true, |
| 995 | median: false |
| 996 | }, |
| 997 | waitTime: { |
| 998 | aggregate: false, |
| 999 | average: false, |
| 1000 | median: false |
| 1001 | }, |
| 1002 | elu: { |
| 1003 | aggregate: true, |
| 1004 | average: true, |
| 1005 | median: false |
| 1006 | } |
| 1007 | }) |
| 1008 | // We need to clean up the resources after our test |
| 1009 | await pool.destroy() |
| 1010 | }) |
| 1011 | |
| 1012 | it('Verify FAIR_SHARE strategy can be run in a fixed pool', async () => { |
| 1013 | const pool = new FixedThreadPool( |
| 1014 | max, |
| 1015 | './tests/worker-files/thread/testWorker.js', |
| 1016 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 1017 | ) |
| 1018 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 1019 | const promises = new Set() |
| 1020 | const maxMultiplier = 2 |
| 1021 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1022 | promises.add(pool.execute()) |
| 1023 | } |
| 1024 | await Promise.all(promises) |
| 1025 | for (const workerNode of pool.workerNodes) { |
| 1026 | expect(workerNode.usage).toMatchObject({ |
| 1027 | tasks: { |
| 1028 | executed: expect.any(Number), |
| 1029 | executing: 0, |
| 1030 | queued: 0, |
| 1031 | maxQueued: 0, |
| 1032 | stolen: 0, |
| 1033 | failed: 0 |
| 1034 | }, |
| 1035 | runTime: { |
| 1036 | history: expect.any(CircularArray) |
| 1037 | }, |
| 1038 | waitTime: { |
| 1039 | history: expect.any(CircularArray) |
| 1040 | }, |
| 1041 | elu: { |
| 1042 | idle: { |
| 1043 | history: expect.any(CircularArray) |
| 1044 | }, |
| 1045 | active: { |
| 1046 | history: expect.any(CircularArray) |
| 1047 | } |
| 1048 | } |
| 1049 | }) |
| 1050 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1051 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1052 | max * maxMultiplier |
| 1053 | ) |
| 1054 | if (workerNode.usage.runTime.aggregate == null) { |
| 1055 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1056 | } else { |
| 1057 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1058 | } |
| 1059 | if (workerNode.usage.runTime.average == null) { |
| 1060 | expect(workerNode.usage.runTime.average).toBeUndefined() |
| 1061 | } else { |
| 1062 | expect(workerNode.usage.runTime.average).toBeGreaterThan(0) |
| 1063 | } |
| 1064 | if (workerNode.usage.elu.utilization == null) { |
| 1065 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 1066 | } else { |
| 1067 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 1068 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 1069 | } |
| 1070 | } |
| 1071 | expect( |
| 1072 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1073 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1074 | ).workersVirtualTaskEndTimestamp.length |
| 1075 | ).toBe(pool.workerNodes.length) |
| 1076 | // We need to clean up the resources after our test |
| 1077 | await pool.destroy() |
| 1078 | }) |
| 1079 | |
| 1080 | it('Verify FAIR_SHARE strategy can be run in a dynamic pool', async () => { |
| 1081 | const pool = new DynamicThreadPool( |
| 1082 | min, |
| 1083 | max, |
| 1084 | './tests/worker-files/thread/testWorker.js', |
| 1085 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 1086 | ) |
| 1087 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 1088 | const promises = new Set() |
| 1089 | const maxMultiplier = 2 |
| 1090 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1091 | promises.add(pool.execute()) |
| 1092 | } |
| 1093 | await Promise.all(promises) |
| 1094 | for (const workerNode of pool.workerNodes) { |
| 1095 | expect(workerNode.usage).toMatchObject({ |
| 1096 | tasks: { |
| 1097 | executed: expect.any(Number), |
| 1098 | executing: 0, |
| 1099 | queued: 0, |
| 1100 | maxQueued: 0, |
| 1101 | stolen: 0, |
| 1102 | failed: 0 |
| 1103 | }, |
| 1104 | runTime: { |
| 1105 | history: expect.any(CircularArray) |
| 1106 | }, |
| 1107 | waitTime: { |
| 1108 | history: expect.any(CircularArray) |
| 1109 | }, |
| 1110 | elu: { |
| 1111 | idle: { |
| 1112 | history: expect.any(CircularArray) |
| 1113 | }, |
| 1114 | active: { |
| 1115 | history: expect.any(CircularArray) |
| 1116 | } |
| 1117 | } |
| 1118 | }) |
| 1119 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1120 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1121 | max * maxMultiplier |
| 1122 | ) |
| 1123 | if (workerNode.usage.runTime.aggregate == null) { |
| 1124 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1125 | } else { |
| 1126 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1127 | } |
| 1128 | if (workerNode.usage.runTime.average == null) { |
| 1129 | expect(workerNode.usage.runTime.average).toBeUndefined() |
| 1130 | } else { |
| 1131 | expect(workerNode.usage.runTime.average).toBeGreaterThan(0) |
| 1132 | } |
| 1133 | if (workerNode.usage.elu.utilization == null) { |
| 1134 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 1135 | } else { |
| 1136 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 1137 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 1138 | } |
| 1139 | } |
| 1140 | expect( |
| 1141 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1142 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1143 | ).workersVirtualTaskEndTimestamp.length |
| 1144 | ).toBe(pool.workerNodes.length) |
| 1145 | // We need to clean up the resources after our test |
| 1146 | await pool.destroy() |
| 1147 | }) |
| 1148 | |
| 1149 | it('Verify FAIR_SHARE strategy can be run in a dynamic pool with median runtime statistic', async () => { |
| 1150 | const pool = new DynamicThreadPool( |
| 1151 | min, |
| 1152 | max, |
| 1153 | './tests/worker-files/thread/testWorker.js', |
| 1154 | { |
| 1155 | workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE, |
| 1156 | workerChoiceStrategyOptions: { |
| 1157 | runTime: { median: true } |
| 1158 | } |
| 1159 | } |
| 1160 | ) |
| 1161 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 1162 | const promises = new Set() |
| 1163 | const maxMultiplier = 2 |
| 1164 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1165 | promises.add(pool.execute()) |
| 1166 | } |
| 1167 | await Promise.all(promises) |
| 1168 | for (const workerNode of pool.workerNodes) { |
| 1169 | expect(workerNode.usage).toMatchObject({ |
| 1170 | tasks: { |
| 1171 | executed: expect.any(Number), |
| 1172 | executing: 0, |
| 1173 | queued: 0, |
| 1174 | maxQueued: 0, |
| 1175 | stolen: 0, |
| 1176 | failed: 0 |
| 1177 | }, |
| 1178 | runTime: { |
| 1179 | history: expect.any(CircularArray) |
| 1180 | }, |
| 1181 | waitTime: { |
| 1182 | history: expect.any(CircularArray) |
| 1183 | }, |
| 1184 | elu: { |
| 1185 | idle: { |
| 1186 | history: expect.any(CircularArray) |
| 1187 | }, |
| 1188 | active: { |
| 1189 | history: expect.any(CircularArray) |
| 1190 | } |
| 1191 | } |
| 1192 | }) |
| 1193 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1194 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1195 | max * maxMultiplier |
| 1196 | ) |
| 1197 | if (workerNode.usage.runTime.aggregate == null) { |
| 1198 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1199 | } else { |
| 1200 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1201 | } |
| 1202 | if (workerNode.usage.runTime.median == null) { |
| 1203 | expect(workerNode.usage.runTime.median).toBeUndefined() |
| 1204 | } else { |
| 1205 | expect(workerNode.usage.runTime.median).toBeGreaterThan(0) |
| 1206 | } |
| 1207 | if (workerNode.usage.elu.utilization == null) { |
| 1208 | expect(workerNode.usage.elu.utilization).toBeUndefined() |
| 1209 | } else { |
| 1210 | expect(workerNode.usage.elu.utilization).toBeGreaterThanOrEqual(0) |
| 1211 | expect(workerNode.usage.elu.utilization).toBeLessThanOrEqual(1) |
| 1212 | } |
| 1213 | } |
| 1214 | expect( |
| 1215 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1216 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1217 | ).workersVirtualTaskEndTimestamp.length |
| 1218 | ).toBe(pool.workerNodes.length) |
| 1219 | // We need to clean up the resources after our test |
| 1220 | await pool.destroy() |
| 1221 | }) |
| 1222 | |
| 1223 | it('Verify FAIR_SHARE strategy internals are resets after setting it', async () => { |
| 1224 | const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE |
| 1225 | let pool = new FixedThreadPool( |
| 1226 | max, |
| 1227 | './tests/worker-files/thread/testWorker.js' |
| 1228 | ) |
| 1229 | expect( |
| 1230 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1231 | workerChoiceStrategy |
| 1232 | ).workersVirtualTaskEndTimestamp |
| 1233 | ).toBeInstanceOf(Array) |
| 1234 | expect( |
| 1235 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1236 | workerChoiceStrategy |
| 1237 | ).workersVirtualTaskEndTimestamp.length |
| 1238 | ).toBe(0) |
| 1239 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1240 | workerChoiceStrategy |
| 1241 | ).workersVirtualTaskEndTimestamp[0] = performance.now() |
| 1242 | expect( |
| 1243 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1244 | workerChoiceStrategy |
| 1245 | ).workersVirtualTaskEndTimestamp.length |
| 1246 | ).toBe(1) |
| 1247 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1248 | expect( |
| 1249 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1250 | workerChoiceStrategy |
| 1251 | ).workersVirtualTaskEndTimestamp |
| 1252 | ).toBeInstanceOf(Array) |
| 1253 | expect( |
| 1254 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1255 | workerChoiceStrategy |
| 1256 | ).workersVirtualTaskEndTimestamp.length |
| 1257 | ).toBe(0) |
| 1258 | await pool.destroy() |
| 1259 | pool = new DynamicThreadPool( |
| 1260 | min, |
| 1261 | max, |
| 1262 | './tests/worker-files/thread/testWorker.js' |
| 1263 | ) |
| 1264 | expect( |
| 1265 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1266 | workerChoiceStrategy |
| 1267 | ).workersVirtualTaskEndTimestamp |
| 1268 | ).toBeInstanceOf(Array) |
| 1269 | expect( |
| 1270 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1271 | workerChoiceStrategy |
| 1272 | ).workersVirtualTaskEndTimestamp.length |
| 1273 | ).toBe(0) |
| 1274 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1275 | workerChoiceStrategy |
| 1276 | ).workersVirtualTaskEndTimestamp[0] = performance.now() |
| 1277 | expect( |
| 1278 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1279 | workerChoiceStrategy |
| 1280 | ).workersVirtualTaskEndTimestamp.length |
| 1281 | ).toBe(1) |
| 1282 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1283 | expect( |
| 1284 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1285 | workerChoiceStrategy |
| 1286 | ).workersVirtualTaskEndTimestamp |
| 1287 | ).toBeInstanceOf(Array) |
| 1288 | expect( |
| 1289 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1290 | workerChoiceStrategy |
| 1291 | ).workersVirtualTaskEndTimestamp.length |
| 1292 | ).toBe(0) |
| 1293 | // We need to clean up the resources after our test |
| 1294 | await pool.destroy() |
| 1295 | }) |
| 1296 | |
| 1297 | it('Verify WEIGHTED_ROUND_ROBIN strategy default policy', async () => { |
| 1298 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 1299 | let pool = new FixedThreadPool( |
| 1300 | max, |
| 1301 | './tests/worker-files/thread/testWorker.js', |
| 1302 | { workerChoiceStrategy } |
| 1303 | ) |
| 1304 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 1305 | dynamicWorkerUsage: false, |
| 1306 | dynamicWorkerReady: true |
| 1307 | }) |
| 1308 | await pool.destroy() |
| 1309 | pool = new DynamicThreadPool( |
| 1310 | min, |
| 1311 | max, |
| 1312 | './tests/worker-files/thread/testWorker.js', |
| 1313 | { workerChoiceStrategy } |
| 1314 | ) |
| 1315 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 1316 | dynamicWorkerUsage: false, |
| 1317 | dynamicWorkerReady: true |
| 1318 | }) |
| 1319 | // We need to clean up the resources after our test |
| 1320 | await pool.destroy() |
| 1321 | }) |
| 1322 | |
| 1323 | it('Verify WEIGHTED_ROUND_ROBIN strategy default tasks statistics requirements', async () => { |
| 1324 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 1325 | let pool = new FixedThreadPool( |
| 1326 | max, |
| 1327 | './tests/worker-files/thread/testWorker.js', |
| 1328 | { workerChoiceStrategy } |
| 1329 | ) |
| 1330 | expect( |
| 1331 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 1332 | ).toStrictEqual({ |
| 1333 | runTime: { |
| 1334 | aggregate: true, |
| 1335 | average: true, |
| 1336 | median: false |
| 1337 | }, |
| 1338 | waitTime: { |
| 1339 | aggregate: false, |
| 1340 | average: false, |
| 1341 | median: false |
| 1342 | }, |
| 1343 | elu: { |
| 1344 | aggregate: false, |
| 1345 | average: false, |
| 1346 | median: false |
| 1347 | } |
| 1348 | }) |
| 1349 | await pool.destroy() |
| 1350 | pool = new DynamicThreadPool( |
| 1351 | min, |
| 1352 | max, |
| 1353 | './tests/worker-files/thread/testWorker.js', |
| 1354 | { workerChoiceStrategy } |
| 1355 | ) |
| 1356 | expect( |
| 1357 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 1358 | ).toStrictEqual({ |
| 1359 | runTime: { |
| 1360 | aggregate: true, |
| 1361 | average: true, |
| 1362 | median: false |
| 1363 | }, |
| 1364 | waitTime: { |
| 1365 | aggregate: false, |
| 1366 | average: false, |
| 1367 | median: false |
| 1368 | }, |
| 1369 | elu: { |
| 1370 | aggregate: false, |
| 1371 | average: false, |
| 1372 | median: false |
| 1373 | } |
| 1374 | }) |
| 1375 | // We need to clean up the resources after our test |
| 1376 | await pool.destroy() |
| 1377 | }) |
| 1378 | |
| 1379 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 1380 | const pool = new FixedThreadPool( |
| 1381 | max, |
| 1382 | './tests/worker-files/thread/testWorker.js', |
| 1383 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 1384 | ) |
| 1385 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1386 | const promises = new Set() |
| 1387 | const maxMultiplier = 2 |
| 1388 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1389 | promises.add(pool.execute()) |
| 1390 | } |
| 1391 | await Promise.all(promises) |
| 1392 | for (const workerNode of pool.workerNodes) { |
| 1393 | expect(workerNode.usage).toStrictEqual({ |
| 1394 | tasks: { |
| 1395 | executed: expect.any(Number), |
| 1396 | executing: 0, |
| 1397 | queued: 0, |
| 1398 | maxQueued: 0, |
| 1399 | stolen: 0, |
| 1400 | failed: 0 |
| 1401 | }, |
| 1402 | runTime: expect.objectContaining({ |
| 1403 | history: expect.any(CircularArray) |
| 1404 | }), |
| 1405 | waitTime: { |
| 1406 | history: expect.any(CircularArray) |
| 1407 | }, |
| 1408 | elu: { |
| 1409 | idle: { |
| 1410 | history: expect.any(CircularArray) |
| 1411 | }, |
| 1412 | active: { |
| 1413 | history: expect.any(CircularArray) |
| 1414 | } |
| 1415 | } |
| 1416 | }) |
| 1417 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1418 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1419 | max * maxMultiplier |
| 1420 | ) |
| 1421 | if (workerNode.usage.runTime.aggregate == null) { |
| 1422 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1423 | } else { |
| 1424 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1425 | } |
| 1426 | if (workerNode.usage.runTime.average == null) { |
| 1427 | expect(workerNode.usage.runTime.average).toBeUndefined() |
| 1428 | } else { |
| 1429 | expect(workerNode.usage.runTime.average).toBeGreaterThan(0) |
| 1430 | } |
| 1431 | } |
| 1432 | expect( |
| 1433 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1434 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1435 | ).defaultWorkerWeight |
| 1436 | ).toBeGreaterThan(0) |
| 1437 | expect( |
| 1438 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1439 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1440 | ).workerVirtualTaskRunTime |
| 1441 | ).toBeGreaterThanOrEqual(0) |
| 1442 | // We need to clean up the resources after our test |
| 1443 | await pool.destroy() |
| 1444 | }) |
| 1445 | |
| 1446 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 1447 | const pool = new DynamicThreadPool( |
| 1448 | min, |
| 1449 | max, |
| 1450 | './tests/worker-files/thread/testWorker.js', |
| 1451 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 1452 | ) |
| 1453 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1454 | const promises = new Set() |
| 1455 | const maxMultiplier = 2 |
| 1456 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1457 | promises.add(pool.execute()) |
| 1458 | } |
| 1459 | await Promise.all(promises) |
| 1460 | for (const workerNode of pool.workerNodes) { |
| 1461 | expect(workerNode.usage).toStrictEqual({ |
| 1462 | tasks: { |
| 1463 | executed: expect.any(Number), |
| 1464 | executing: 0, |
| 1465 | queued: 0, |
| 1466 | maxQueued: 0, |
| 1467 | stolen: 0, |
| 1468 | failed: 0 |
| 1469 | }, |
| 1470 | runTime: expect.objectContaining({ |
| 1471 | history: expect.any(CircularArray) |
| 1472 | }), |
| 1473 | waitTime: { |
| 1474 | history: expect.any(CircularArray) |
| 1475 | }, |
| 1476 | elu: { |
| 1477 | idle: { |
| 1478 | history: expect.any(CircularArray) |
| 1479 | }, |
| 1480 | active: { |
| 1481 | history: expect.any(CircularArray) |
| 1482 | } |
| 1483 | } |
| 1484 | }) |
| 1485 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1486 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1487 | max * maxMultiplier |
| 1488 | ) |
| 1489 | if (workerNode.usage.runTime.aggregate == null) { |
| 1490 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1491 | } else { |
| 1492 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1493 | } |
| 1494 | if (workerNode.usage.runTime.average == null) { |
| 1495 | expect(workerNode.usage.runTime.average).toBeUndefined() |
| 1496 | } else { |
| 1497 | expect(workerNode.usage.runTime.average).toBeGreaterThan(0) |
| 1498 | } |
| 1499 | } |
| 1500 | expect( |
| 1501 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1502 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1503 | ).defaultWorkerWeight |
| 1504 | ).toBeGreaterThan(0) |
| 1505 | expect( |
| 1506 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1507 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1508 | ).workerVirtualTaskRunTime |
| 1509 | ).toBeGreaterThanOrEqual(0) |
| 1510 | // We need to clean up the resources after our test |
| 1511 | await pool.destroy() |
| 1512 | }) |
| 1513 | |
| 1514 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool with median runtime statistic', async () => { |
| 1515 | const pool = new DynamicThreadPool( |
| 1516 | min, |
| 1517 | max, |
| 1518 | './tests/worker-files/thread/testWorker.js', |
| 1519 | { |
| 1520 | workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN, |
| 1521 | workerChoiceStrategyOptions: { |
| 1522 | runTime: { median: true } |
| 1523 | } |
| 1524 | } |
| 1525 | ) |
| 1526 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1527 | const promises = new Set() |
| 1528 | const maxMultiplier = 2 |
| 1529 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1530 | promises.add(pool.execute()) |
| 1531 | } |
| 1532 | await Promise.all(promises) |
| 1533 | for (const workerNode of pool.workerNodes) { |
| 1534 | expect(workerNode.usage).toStrictEqual({ |
| 1535 | tasks: { |
| 1536 | executed: expect.any(Number), |
| 1537 | executing: 0, |
| 1538 | queued: 0, |
| 1539 | maxQueued: 0, |
| 1540 | stolen: 0, |
| 1541 | failed: 0 |
| 1542 | }, |
| 1543 | runTime: expect.objectContaining({ |
| 1544 | history: expect.any(CircularArray) |
| 1545 | }), |
| 1546 | waitTime: { |
| 1547 | history: expect.any(CircularArray) |
| 1548 | }, |
| 1549 | elu: { |
| 1550 | idle: { |
| 1551 | history: expect.any(CircularArray) |
| 1552 | }, |
| 1553 | active: { |
| 1554 | history: expect.any(CircularArray) |
| 1555 | } |
| 1556 | } |
| 1557 | }) |
| 1558 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1559 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1560 | max * maxMultiplier |
| 1561 | ) |
| 1562 | if (workerNode.usage.runTime.aggregate == null) { |
| 1563 | expect(workerNode.usage.runTime.aggregate).toBeUndefined() |
| 1564 | } else { |
| 1565 | expect(workerNode.usage.runTime.aggregate).toBeGreaterThan(0) |
| 1566 | } |
| 1567 | if (workerNode.usage.runTime.median == null) { |
| 1568 | expect(workerNode.usage.runTime.median).toBeUndefined() |
| 1569 | } else { |
| 1570 | expect(workerNode.usage.runTime.median).toBeGreaterThan(0) |
| 1571 | } |
| 1572 | } |
| 1573 | expect( |
| 1574 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1575 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1576 | ).defaultWorkerWeight |
| 1577 | ).toBeGreaterThan(0) |
| 1578 | expect( |
| 1579 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1580 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1581 | ).workerVirtualTaskRunTime |
| 1582 | ).toBeGreaterThanOrEqual(0) |
| 1583 | // We need to clean up the resources after our test |
| 1584 | await pool.destroy() |
| 1585 | }) |
| 1586 | |
| 1587 | it('Verify WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 1588 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 1589 | let pool = new FixedThreadPool( |
| 1590 | max, |
| 1591 | './tests/worker-files/thread/testWorker.js' |
| 1592 | ) |
| 1593 | expect( |
| 1594 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1595 | workerChoiceStrategy |
| 1596 | ).nextWorkerNodeKey |
| 1597 | ).toBeDefined() |
| 1598 | expect( |
| 1599 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1600 | workerChoiceStrategy |
| 1601 | ).defaultWorkerWeight |
| 1602 | ).toBeDefined() |
| 1603 | expect( |
| 1604 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1605 | workerChoiceStrategy |
| 1606 | ).workerVirtualTaskRunTime |
| 1607 | ).toBeDefined() |
| 1608 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1609 | expect( |
| 1610 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1611 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1612 | ).nextWorkerNodeKey |
| 1613 | ).toBe(0) |
| 1614 | expect( |
| 1615 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1616 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1617 | ).defaultWorkerWeight |
| 1618 | ).toBeGreaterThan(0) |
| 1619 | expect( |
| 1620 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1621 | workerChoiceStrategy |
| 1622 | ).workerVirtualTaskRunTime |
| 1623 | ).toBe(0) |
| 1624 | await pool.destroy() |
| 1625 | pool = new DynamicThreadPool( |
| 1626 | min, |
| 1627 | max, |
| 1628 | './tests/worker-files/thread/testWorker.js' |
| 1629 | ) |
| 1630 | expect( |
| 1631 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1632 | workerChoiceStrategy |
| 1633 | ).nextWorkerNodeKey |
| 1634 | ).toBeDefined() |
| 1635 | expect( |
| 1636 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1637 | workerChoiceStrategy |
| 1638 | ).defaultWorkerWeight |
| 1639 | ).toBeDefined() |
| 1640 | expect( |
| 1641 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1642 | workerChoiceStrategy |
| 1643 | ).workerVirtualTaskRunTime |
| 1644 | ).toBeDefined() |
| 1645 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1646 | expect( |
| 1647 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1648 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1649 | ).nextWorkerNodeKey |
| 1650 | ).toBe(0) |
| 1651 | expect( |
| 1652 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1653 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1654 | ).defaultWorkerWeight |
| 1655 | ).toBeGreaterThan(0) |
| 1656 | expect( |
| 1657 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1658 | workerChoiceStrategy |
| 1659 | ).workerVirtualTaskRunTime |
| 1660 | ).toBe(0) |
| 1661 | // We need to clean up the resources after our test |
| 1662 | await pool.destroy() |
| 1663 | }) |
| 1664 | |
| 1665 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy default policy', async () => { |
| 1666 | const workerChoiceStrategy = |
| 1667 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1668 | let pool = new FixedThreadPool( |
| 1669 | max, |
| 1670 | './tests/worker-files/thread/testWorker.js', |
| 1671 | { workerChoiceStrategy } |
| 1672 | ) |
| 1673 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 1674 | dynamicWorkerUsage: false, |
| 1675 | dynamicWorkerReady: true |
| 1676 | }) |
| 1677 | await pool.destroy() |
| 1678 | pool = new DynamicThreadPool( |
| 1679 | min, |
| 1680 | max, |
| 1681 | './tests/worker-files/thread/testWorker.js', |
| 1682 | { workerChoiceStrategy } |
| 1683 | ) |
| 1684 | expect(pool.workerChoiceStrategyContext.getStrategyPolicy()).toStrictEqual({ |
| 1685 | dynamicWorkerUsage: false, |
| 1686 | dynamicWorkerReady: true |
| 1687 | }) |
| 1688 | // We need to clean up the resources after our test |
| 1689 | await pool.destroy() |
| 1690 | }) |
| 1691 | |
| 1692 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy default tasks statistics requirements', async () => { |
| 1693 | const workerChoiceStrategy = |
| 1694 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1695 | let pool = new FixedThreadPool( |
| 1696 | max, |
| 1697 | './tests/worker-files/thread/testWorker.js', |
| 1698 | { workerChoiceStrategy } |
| 1699 | ) |
| 1700 | expect( |
| 1701 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 1702 | ).toStrictEqual({ |
| 1703 | runTime: { |
| 1704 | aggregate: false, |
| 1705 | average: false, |
| 1706 | median: false |
| 1707 | }, |
| 1708 | waitTime: { |
| 1709 | aggregate: false, |
| 1710 | average: false, |
| 1711 | median: false |
| 1712 | }, |
| 1713 | elu: { |
| 1714 | aggregate: false, |
| 1715 | average: false, |
| 1716 | median: false |
| 1717 | } |
| 1718 | }) |
| 1719 | await pool.destroy() |
| 1720 | pool = new DynamicThreadPool( |
| 1721 | min, |
| 1722 | max, |
| 1723 | './tests/worker-files/thread/testWorker.js', |
| 1724 | { workerChoiceStrategy } |
| 1725 | ) |
| 1726 | expect( |
| 1727 | pool.workerChoiceStrategyContext.getTaskStatisticsRequirements() |
| 1728 | ).toStrictEqual({ |
| 1729 | runTime: { |
| 1730 | aggregate: false, |
| 1731 | average: false, |
| 1732 | median: false |
| 1733 | }, |
| 1734 | waitTime: { |
| 1735 | aggregate: false, |
| 1736 | average: false, |
| 1737 | median: false |
| 1738 | }, |
| 1739 | elu: { |
| 1740 | aggregate: false, |
| 1741 | average: false, |
| 1742 | median: false |
| 1743 | } |
| 1744 | }) |
| 1745 | // We need to clean up the resources after our test |
| 1746 | await pool.destroy() |
| 1747 | }) |
| 1748 | |
| 1749 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 1750 | const pool = new FixedThreadPool( |
| 1751 | max, |
| 1752 | './tests/worker-files/thread/testWorker.js', |
| 1753 | { |
| 1754 | workerChoiceStrategy: |
| 1755 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1756 | } |
| 1757 | ) |
| 1758 | // TODO: Create a better test to cover `InterleavedWeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1759 | const promises = new Set() |
| 1760 | const maxMultiplier = 2 |
| 1761 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1762 | promises.add(pool.execute()) |
| 1763 | } |
| 1764 | await Promise.all(promises) |
| 1765 | for (const workerNode of pool.workerNodes) { |
| 1766 | expect(workerNode.usage).toStrictEqual({ |
| 1767 | tasks: { |
| 1768 | executed: maxMultiplier, |
| 1769 | executing: 0, |
| 1770 | queued: 0, |
| 1771 | maxQueued: 0, |
| 1772 | stolen: 0, |
| 1773 | failed: 0 |
| 1774 | }, |
| 1775 | runTime: { |
| 1776 | history: expect.any(CircularArray) |
| 1777 | }, |
| 1778 | waitTime: { |
| 1779 | history: expect.any(CircularArray) |
| 1780 | }, |
| 1781 | elu: { |
| 1782 | idle: { |
| 1783 | history: expect.any(CircularArray) |
| 1784 | }, |
| 1785 | active: { |
| 1786 | history: expect.any(CircularArray) |
| 1787 | } |
| 1788 | } |
| 1789 | }) |
| 1790 | } |
| 1791 | expect( |
| 1792 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1793 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1794 | ).defaultWorkerWeight |
| 1795 | ).toBeGreaterThan(0) |
| 1796 | expect( |
| 1797 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1798 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1799 | ).roundId |
| 1800 | ).toBe(0) |
| 1801 | expect( |
| 1802 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1803 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1804 | ).nextWorkerNodeKey |
| 1805 | ).toBe(0) |
| 1806 | expect( |
| 1807 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1808 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1809 | ).roundWeights |
| 1810 | ).toStrictEqual([ |
| 1811 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1812 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1813 | ).defaultWorkerWeight |
| 1814 | ]) |
| 1815 | // We need to clean up the resources after our test |
| 1816 | await pool.destroy() |
| 1817 | }) |
| 1818 | |
| 1819 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 1820 | const pool = new DynamicThreadPool( |
| 1821 | min, |
| 1822 | max, |
| 1823 | './tests/worker-files/thread/testWorker.js', |
| 1824 | { |
| 1825 | workerChoiceStrategy: |
| 1826 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1827 | } |
| 1828 | ) |
| 1829 | // TODO: Create a better test to cover `InterleavedWeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1830 | const promises = new Set() |
| 1831 | const maxMultiplier = 2 |
| 1832 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1833 | promises.add(pool.execute()) |
| 1834 | } |
| 1835 | await Promise.all(promises) |
| 1836 | for (const workerNode of pool.workerNodes) { |
| 1837 | expect(workerNode.usage).toStrictEqual({ |
| 1838 | tasks: { |
| 1839 | executed: expect.any(Number), |
| 1840 | executing: 0, |
| 1841 | queued: 0, |
| 1842 | maxQueued: 0, |
| 1843 | stolen: 0, |
| 1844 | failed: 0 |
| 1845 | }, |
| 1846 | runTime: { |
| 1847 | history: expect.any(CircularArray) |
| 1848 | }, |
| 1849 | waitTime: { |
| 1850 | history: expect.any(CircularArray) |
| 1851 | }, |
| 1852 | elu: { |
| 1853 | idle: { |
| 1854 | history: expect.any(CircularArray) |
| 1855 | }, |
| 1856 | active: { |
| 1857 | history: expect.any(CircularArray) |
| 1858 | } |
| 1859 | } |
| 1860 | }) |
| 1861 | expect(workerNode.usage.tasks.executed).toBeGreaterThanOrEqual(0) |
| 1862 | expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual( |
| 1863 | max * maxMultiplier |
| 1864 | ) |
| 1865 | } |
| 1866 | expect( |
| 1867 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1868 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1869 | ).defaultWorkerWeight |
| 1870 | ).toBeGreaterThan(0) |
| 1871 | expect( |
| 1872 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1873 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1874 | ).roundId |
| 1875 | ).toBe(0) |
| 1876 | expect( |
| 1877 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1878 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1879 | ).nextWorkerNodeKey |
| 1880 | ).toBe(0) |
| 1881 | expect( |
| 1882 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1883 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1884 | ).roundWeights |
| 1885 | ).toStrictEqual([ |
| 1886 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1887 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1888 | ).defaultWorkerWeight |
| 1889 | ]) |
| 1890 | // We need to clean up the resources after our test |
| 1891 | await pool.destroy() |
| 1892 | }) |
| 1893 | |
| 1894 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 1895 | const workerChoiceStrategy = |
| 1896 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1897 | let pool = new FixedThreadPool( |
| 1898 | max, |
| 1899 | './tests/worker-files/thread/testWorker.js' |
| 1900 | ) |
| 1901 | expect( |
| 1902 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1903 | workerChoiceStrategy |
| 1904 | ).roundId |
| 1905 | ).toBeDefined() |
| 1906 | expect( |
| 1907 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1908 | workerChoiceStrategy |
| 1909 | ).nextWorkerNodeKey |
| 1910 | ).toBeDefined() |
| 1911 | expect( |
| 1912 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1913 | workerChoiceStrategy |
| 1914 | ).defaultWorkerWeight |
| 1915 | ).toBeDefined() |
| 1916 | expect( |
| 1917 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1918 | workerChoiceStrategy |
| 1919 | ).roundWeights |
| 1920 | ).toBeDefined() |
| 1921 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1922 | expect( |
| 1923 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1924 | workerChoiceStrategy |
| 1925 | ).roundId |
| 1926 | ).toBe(0) |
| 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 | await pool.destroy() |
| 1947 | pool = new DynamicThreadPool( |
| 1948 | min, |
| 1949 | max, |
| 1950 | './tests/worker-files/thread/testWorker.js' |
| 1951 | ) |
| 1952 | expect( |
| 1953 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1954 | workerChoiceStrategy |
| 1955 | ).roundId |
| 1956 | ).toBeDefined() |
| 1957 | expect( |
| 1958 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1959 | workerChoiceStrategy |
| 1960 | ).nextWorkerNodeKey |
| 1961 | ).toBeDefined() |
| 1962 | expect( |
| 1963 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1964 | workerChoiceStrategy |
| 1965 | ).defaultWorkerWeight |
| 1966 | ).toBeDefined() |
| 1967 | expect( |
| 1968 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1969 | workerChoiceStrategy |
| 1970 | ).roundWeights |
| 1971 | ).toBeDefined() |
| 1972 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1973 | expect( |
| 1974 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1975 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1976 | ).nextWorkerNodeKey |
| 1977 | ).toBe(0) |
| 1978 | expect( |
| 1979 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1980 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1981 | ).defaultWorkerWeight |
| 1982 | ).toBeGreaterThan(0) |
| 1983 | expect( |
| 1984 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1985 | workerChoiceStrategy |
| 1986 | ).roundWeights |
| 1987 | ).toStrictEqual([ |
| 1988 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1989 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1990 | ).defaultWorkerWeight |
| 1991 | ]) |
| 1992 | // We need to clean up the resources after our test |
| 1993 | await pool.destroy() |
| 1994 | }) |
| 1995 | |
| 1996 | it('Verify unknown strategy throw error', () => { |
| 1997 | expect( |
| 1998 | () => |
| 1999 | new DynamicThreadPool( |
| 2000 | min, |
| 2001 | max, |
| 2002 | './tests/worker-files/thread/testWorker.js', |
| 2003 | { workerChoiceStrategy: 'UNKNOWN_STRATEGY' } |
| 2004 | ) |
| 2005 | ).toThrowError("Invalid worker choice strategy 'UNKNOWN_STRATEGY'") |
| 2006 | }) |
| 2007 | }) |