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