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