| 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 | elu: false |
| 134 | }) |
| 135 | await pool.destroy() |
| 136 | pool = new DynamicThreadPool( |
| 137 | min, |
| 138 | max, |
| 139 | './tests/worker-files/thread/testWorker.js', |
| 140 | { workerChoiceStrategy } |
| 141 | ) |
| 142 | expect( |
| 143 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 144 | ).toStrictEqual({ |
| 145 | runTime: false, |
| 146 | avgRunTime: false, |
| 147 | medRunTime: false, |
| 148 | waitTime: false, |
| 149 | avgWaitTime: false, |
| 150 | medWaitTime: false, |
| 151 | elu: false |
| 152 | }) |
| 153 | // We need to clean up the resources after our test |
| 154 | await pool.destroy() |
| 155 | }) |
| 156 | |
| 157 | it('Verify ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 158 | const pool = new FixedThreadPool( |
| 159 | max, |
| 160 | './tests/worker-files/thread/testWorker.js', |
| 161 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 162 | ) |
| 163 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 164 | const promises = new Set() |
| 165 | const maxMultiplier = 2 |
| 166 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 167 | promises.add(pool.execute()) |
| 168 | } |
| 169 | await Promise.all(promises) |
| 170 | for (const workerNode of pool.workerNodes) { |
| 171 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 172 | ran: maxMultiplier, |
| 173 | running: 0, |
| 174 | runTime: 0, |
| 175 | runTimeHistory: expect.any(CircularArray), |
| 176 | avgRunTime: 0, |
| 177 | medRunTime: 0, |
| 178 | waitTime: 0, |
| 179 | waitTimeHistory: expect.any(CircularArray), |
| 180 | avgWaitTime: 0, |
| 181 | medWaitTime: 0, |
| 182 | error: 0, |
| 183 | elu: undefined |
| 184 | }) |
| 185 | } |
| 186 | expect( |
| 187 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 188 | WorkerChoiceStrategies.ROUND_ROBIN |
| 189 | ).nextWorkerNodeId |
| 190 | ).toBe(0) |
| 191 | // We need to clean up the resources after our test |
| 192 | await pool.destroy() |
| 193 | }) |
| 194 | |
| 195 | it('Verify ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 196 | const pool = new DynamicThreadPool( |
| 197 | min, |
| 198 | max, |
| 199 | './tests/worker-files/thread/testWorker.js', |
| 200 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 201 | ) |
| 202 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 203 | const promises = new Set() |
| 204 | const maxMultiplier = 2 |
| 205 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 206 | promises.add(pool.execute()) |
| 207 | } |
| 208 | await Promise.all(promises) |
| 209 | for (const workerNode of pool.workerNodes) { |
| 210 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 211 | ran: maxMultiplier, |
| 212 | running: 0, |
| 213 | runTime: 0, |
| 214 | runTimeHistory: expect.any(CircularArray), |
| 215 | avgRunTime: 0, |
| 216 | medRunTime: 0, |
| 217 | waitTime: 0, |
| 218 | waitTimeHistory: expect.any(CircularArray), |
| 219 | avgWaitTime: 0, |
| 220 | medWaitTime: 0, |
| 221 | error: 0, |
| 222 | elu: undefined |
| 223 | }) |
| 224 | } |
| 225 | expect( |
| 226 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 227 | WorkerChoiceStrategies.ROUND_ROBIN |
| 228 | ).nextWorkerNodeId |
| 229 | ).toBe(0) |
| 230 | // We need to clean up the resources after our test |
| 231 | await pool.destroy() |
| 232 | }) |
| 233 | |
| 234 | it('Verify ROUND_ROBIN strategy runtime behavior', async () => { |
| 235 | const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN |
| 236 | let pool = new FixedClusterPool( |
| 237 | max, |
| 238 | './tests/worker-files/cluster/testWorker.js', |
| 239 | { workerChoiceStrategy } |
| 240 | ) |
| 241 | let results = new Set() |
| 242 | for (let i = 0; i < max; i++) { |
| 243 | results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.id) |
| 244 | } |
| 245 | expect(results.size).toBe(max) |
| 246 | await pool.destroy() |
| 247 | pool = new FixedThreadPool( |
| 248 | max, |
| 249 | './tests/worker-files/thread/testWorker.js', |
| 250 | { workerChoiceStrategy } |
| 251 | ) |
| 252 | results = new Set() |
| 253 | for (let i = 0; i < max; i++) { |
| 254 | results.add(pool.workerNodes[pool.chooseWorkerNode()].worker.threadId) |
| 255 | } |
| 256 | expect(results.size).toBe(max) |
| 257 | await pool.destroy() |
| 258 | }) |
| 259 | |
| 260 | it('Verify ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 261 | const workerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN |
| 262 | let pool = new FixedThreadPool( |
| 263 | max, |
| 264 | './tests/worker-files/thread/testWorker.js', |
| 265 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 266 | ) |
| 267 | expect( |
| 268 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 269 | workerChoiceStrategy |
| 270 | ).nextWorkerNodeId |
| 271 | ).toBeDefined() |
| 272 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 273 | expect( |
| 274 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 275 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 276 | ).nextWorkerNodeId |
| 277 | ).toBe(0) |
| 278 | await pool.destroy() |
| 279 | pool = new DynamicThreadPool( |
| 280 | min, |
| 281 | max, |
| 282 | './tests/worker-files/thread/testWorker.js', |
| 283 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 284 | ) |
| 285 | expect( |
| 286 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 287 | workerChoiceStrategy |
| 288 | ).nextWorkerNodeId |
| 289 | ).toBeDefined() |
| 290 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 291 | expect( |
| 292 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 293 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 294 | ).nextWorkerNodeId |
| 295 | ).toBe(0) |
| 296 | // We need to clean up the resources after our test |
| 297 | await pool.destroy() |
| 298 | }) |
| 299 | |
| 300 | it('Verify LEAST_USED strategy default tasks usage statistics requirements', async () => { |
| 301 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_USED |
| 302 | let pool = new FixedThreadPool( |
| 303 | max, |
| 304 | './tests/worker-files/thread/testWorker.js', |
| 305 | { workerChoiceStrategy } |
| 306 | ) |
| 307 | expect( |
| 308 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 309 | ).toStrictEqual({ |
| 310 | runTime: false, |
| 311 | avgRunTime: false, |
| 312 | medRunTime: false, |
| 313 | waitTime: false, |
| 314 | avgWaitTime: false, |
| 315 | medWaitTime: false, |
| 316 | elu: false |
| 317 | }) |
| 318 | await pool.destroy() |
| 319 | pool = new DynamicThreadPool( |
| 320 | min, |
| 321 | max, |
| 322 | './tests/worker-files/thread/testWorker.js', |
| 323 | { workerChoiceStrategy } |
| 324 | ) |
| 325 | expect( |
| 326 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 327 | ).toStrictEqual({ |
| 328 | runTime: false, |
| 329 | avgRunTime: false, |
| 330 | medRunTime: false, |
| 331 | waitTime: false, |
| 332 | avgWaitTime: false, |
| 333 | medWaitTime: false, |
| 334 | elu: false |
| 335 | }) |
| 336 | // We need to clean up the resources after our test |
| 337 | await pool.destroy() |
| 338 | }) |
| 339 | |
| 340 | it('Verify LEAST_USED strategy can be run in a fixed pool', async () => { |
| 341 | const pool = new FixedThreadPool( |
| 342 | max, |
| 343 | './tests/worker-files/thread/testWorker.js', |
| 344 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } |
| 345 | ) |
| 346 | // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` |
| 347 | const promises = new Set() |
| 348 | const maxMultiplier = 2 |
| 349 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 350 | promises.add(pool.execute()) |
| 351 | } |
| 352 | await Promise.all(promises) |
| 353 | for (const workerNode of pool.workerNodes) { |
| 354 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 355 | ran: maxMultiplier, |
| 356 | running: 0, |
| 357 | runTime: 0, |
| 358 | runTimeHistory: expect.any(CircularArray), |
| 359 | avgRunTime: 0, |
| 360 | medRunTime: 0, |
| 361 | waitTime: 0, |
| 362 | waitTimeHistory: expect.any(CircularArray), |
| 363 | avgWaitTime: 0, |
| 364 | medWaitTime: 0, |
| 365 | error: 0, |
| 366 | elu: undefined |
| 367 | }) |
| 368 | } |
| 369 | // We need to clean up the resources after our test |
| 370 | await pool.destroy() |
| 371 | }) |
| 372 | |
| 373 | it('Verify LEAST_USED strategy can be run in a dynamic pool', async () => { |
| 374 | const pool = new DynamicThreadPool( |
| 375 | min, |
| 376 | max, |
| 377 | './tests/worker-files/thread/testWorker.js', |
| 378 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } |
| 379 | ) |
| 380 | // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` |
| 381 | const promises = new Set() |
| 382 | const maxMultiplier = 2 |
| 383 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 384 | promises.add(pool.execute()) |
| 385 | } |
| 386 | await Promise.all(promises) |
| 387 | for (const workerNode of pool.workerNodes) { |
| 388 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 389 | ran: maxMultiplier, |
| 390 | running: 0, |
| 391 | runTime: 0, |
| 392 | runTimeHistory: expect.any(CircularArray), |
| 393 | avgRunTime: 0, |
| 394 | medRunTime: 0, |
| 395 | waitTime: 0, |
| 396 | waitTimeHistory: expect.any(CircularArray), |
| 397 | avgWaitTime: 0, |
| 398 | medWaitTime: 0, |
| 399 | error: 0, |
| 400 | elu: undefined |
| 401 | }) |
| 402 | } |
| 403 | // We need to clean up the resources after our test |
| 404 | await pool.destroy() |
| 405 | }) |
| 406 | |
| 407 | it('Verify LEAST_BUSY strategy default tasks usage statistics requirements', async () => { |
| 408 | const workerChoiceStrategy = WorkerChoiceStrategies.LEAST_BUSY |
| 409 | let pool = new FixedThreadPool( |
| 410 | max, |
| 411 | './tests/worker-files/thread/testWorker.js', |
| 412 | { workerChoiceStrategy } |
| 413 | ) |
| 414 | expect( |
| 415 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 416 | ).toStrictEqual({ |
| 417 | runTime: true, |
| 418 | avgRunTime: false, |
| 419 | medRunTime: false, |
| 420 | waitTime: false, |
| 421 | avgWaitTime: false, |
| 422 | medWaitTime: false, |
| 423 | elu: false |
| 424 | }) |
| 425 | await pool.destroy() |
| 426 | pool = new DynamicThreadPool( |
| 427 | min, |
| 428 | max, |
| 429 | './tests/worker-files/thread/testWorker.js', |
| 430 | { workerChoiceStrategy } |
| 431 | ) |
| 432 | expect( |
| 433 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 434 | ).toStrictEqual({ |
| 435 | runTime: true, |
| 436 | avgRunTime: false, |
| 437 | medRunTime: false, |
| 438 | waitTime: false, |
| 439 | avgWaitTime: false, |
| 440 | medWaitTime: false, |
| 441 | elu: false |
| 442 | }) |
| 443 | // We need to clean up the resources after our test |
| 444 | await pool.destroy() |
| 445 | }) |
| 446 | |
| 447 | it('Verify LEAST_BUSY strategy can be run in a fixed pool', async () => { |
| 448 | const pool = new FixedThreadPool( |
| 449 | max, |
| 450 | './tests/worker-files/thread/testWorker.js', |
| 451 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } |
| 452 | ) |
| 453 | // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` |
| 454 | const promises = new Set() |
| 455 | const maxMultiplier = 2 |
| 456 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 457 | promises.add(pool.execute()) |
| 458 | } |
| 459 | await Promise.all(promises) |
| 460 | for (const workerNode of pool.workerNodes) { |
| 461 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 462 | ran: expect.any(Number), |
| 463 | running: 0, |
| 464 | runTime: expect.any(Number), |
| 465 | runTimeHistory: expect.any(CircularArray), |
| 466 | avgRunTime: 0, |
| 467 | medRunTime: 0, |
| 468 | waitTime: 0, |
| 469 | waitTimeHistory: expect.any(CircularArray), |
| 470 | avgWaitTime: 0, |
| 471 | medWaitTime: 0, |
| 472 | error: 0, |
| 473 | elu: undefined |
| 474 | }) |
| 475 | expect(workerNode.tasksUsage.ran).toBeGreaterThan(0) |
| 476 | expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(max * maxMultiplier) |
| 477 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 478 | } |
| 479 | // We need to clean up the resources after our test |
| 480 | await pool.destroy() |
| 481 | }) |
| 482 | |
| 483 | it('Verify LEAST_BUSY strategy can be run in a dynamic pool', async () => { |
| 484 | const pool = new DynamicThreadPool( |
| 485 | min, |
| 486 | max, |
| 487 | './tests/worker-files/thread/testWorker.js', |
| 488 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } |
| 489 | ) |
| 490 | // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` |
| 491 | const promises = new Set() |
| 492 | const maxMultiplier = 2 |
| 493 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 494 | promises.add(pool.execute()) |
| 495 | } |
| 496 | await Promise.all(promises) |
| 497 | for (const workerNode of pool.workerNodes) { |
| 498 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 499 | ran: expect.any(Number), |
| 500 | running: 0, |
| 501 | runTime: expect.any(Number), |
| 502 | runTimeHistory: expect.any(CircularArray), |
| 503 | avgRunTime: 0, |
| 504 | medRunTime: 0, |
| 505 | waitTime: 0, |
| 506 | waitTimeHistory: expect.any(CircularArray), |
| 507 | avgWaitTime: 0, |
| 508 | medWaitTime: 0, |
| 509 | error: 0, |
| 510 | elu: undefined |
| 511 | }) |
| 512 | expect(workerNode.tasksUsage.ran).toBeGreaterThan(0) |
| 513 | expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(max * maxMultiplier) |
| 514 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 515 | } |
| 516 | // We need to clean up the resources after our test |
| 517 | await pool.destroy() |
| 518 | }) |
| 519 | |
| 520 | it('Verify FAIR_SHARE strategy default tasks usage statistics requirements', async () => { |
| 521 | const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE |
| 522 | let pool = new FixedThreadPool( |
| 523 | max, |
| 524 | './tests/worker-files/thread/testWorker.js', |
| 525 | { workerChoiceStrategy } |
| 526 | ) |
| 527 | expect( |
| 528 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 529 | ).toStrictEqual({ |
| 530 | runTime: true, |
| 531 | avgRunTime: true, |
| 532 | medRunTime: false, |
| 533 | waitTime: false, |
| 534 | avgWaitTime: false, |
| 535 | medWaitTime: false, |
| 536 | elu: false |
| 537 | }) |
| 538 | await pool.destroy() |
| 539 | pool = new DynamicThreadPool( |
| 540 | min, |
| 541 | max, |
| 542 | './tests/worker-files/thread/testWorker.js', |
| 543 | { workerChoiceStrategy } |
| 544 | ) |
| 545 | expect( |
| 546 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 547 | ).toStrictEqual({ |
| 548 | runTime: true, |
| 549 | avgRunTime: true, |
| 550 | medRunTime: false, |
| 551 | waitTime: false, |
| 552 | avgWaitTime: false, |
| 553 | medWaitTime: false, |
| 554 | elu: false |
| 555 | }) |
| 556 | // We need to clean up the resources after our test |
| 557 | await pool.destroy() |
| 558 | }) |
| 559 | |
| 560 | it('Verify FAIR_SHARE strategy can be run in a fixed pool', async () => { |
| 561 | const pool = new FixedThreadPool( |
| 562 | max, |
| 563 | './tests/worker-files/thread/testWorker.js', |
| 564 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 565 | ) |
| 566 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 567 | const promises = new Set() |
| 568 | const maxMultiplier = 2 |
| 569 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 570 | promises.add(pool.execute()) |
| 571 | } |
| 572 | await Promise.all(promises) |
| 573 | for (const workerNode of pool.workerNodes) { |
| 574 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 575 | ran: maxMultiplier, |
| 576 | running: 0, |
| 577 | runTime: expect.any(Number), |
| 578 | runTimeHistory: expect.any(CircularArray), |
| 579 | avgRunTime: expect.any(Number), |
| 580 | medRunTime: 0, |
| 581 | waitTime: 0, |
| 582 | waitTimeHistory: expect.any(CircularArray), |
| 583 | avgWaitTime: 0, |
| 584 | medWaitTime: 0, |
| 585 | error: 0, |
| 586 | elu: undefined |
| 587 | }) |
| 588 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 589 | expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThan(0) |
| 590 | } |
| 591 | expect( |
| 592 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 593 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 594 | ).workersVirtualTaskEndTimestamp.length |
| 595 | ).toBe(pool.workerNodes.length) |
| 596 | // We need to clean up the resources after our test |
| 597 | await pool.destroy() |
| 598 | }) |
| 599 | |
| 600 | it('Verify FAIR_SHARE strategy can be run in a dynamic pool', async () => { |
| 601 | const pool = new DynamicThreadPool( |
| 602 | min, |
| 603 | max, |
| 604 | './tests/worker-files/thread/testWorker.js', |
| 605 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 606 | ) |
| 607 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 608 | const promises = new Set() |
| 609 | const maxMultiplier = 2 |
| 610 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 611 | promises.add(pool.execute()) |
| 612 | } |
| 613 | await Promise.all(promises) |
| 614 | for (const workerNode of pool.workerNodes) { |
| 615 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 616 | ran: maxMultiplier, |
| 617 | running: 0, |
| 618 | runTime: expect.any(Number), |
| 619 | runTimeHistory: expect.any(CircularArray), |
| 620 | avgRunTime: expect.any(Number), |
| 621 | medRunTime: 0, |
| 622 | waitTime: 0, |
| 623 | waitTimeHistory: expect.any(CircularArray), |
| 624 | avgWaitTime: 0, |
| 625 | medWaitTime: 0, |
| 626 | error: 0, |
| 627 | elu: undefined |
| 628 | }) |
| 629 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 630 | expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThan(0) |
| 631 | } |
| 632 | expect( |
| 633 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 634 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 635 | ).workersVirtualTaskEndTimestamp.length |
| 636 | ).toBe(pool.workerNodes.length) |
| 637 | // We need to clean up the resources after our test |
| 638 | await pool.destroy() |
| 639 | }) |
| 640 | |
| 641 | it('Verify FAIR_SHARE strategy can be run in a dynamic pool with median runtime statistic', async () => { |
| 642 | const pool = new DynamicThreadPool( |
| 643 | min, |
| 644 | max, |
| 645 | './tests/worker-files/thread/testWorker.js', |
| 646 | { |
| 647 | workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE, |
| 648 | workerChoiceStrategyOptions: { |
| 649 | medRunTime: true |
| 650 | } |
| 651 | } |
| 652 | ) |
| 653 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 654 | const promises = new Set() |
| 655 | const maxMultiplier = 2 |
| 656 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 657 | promises.add(pool.execute()) |
| 658 | } |
| 659 | await Promise.all(promises) |
| 660 | for (const workerNode of pool.workerNodes) { |
| 661 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 662 | ran: maxMultiplier, |
| 663 | running: 0, |
| 664 | runTime: expect.any(Number), |
| 665 | runTimeHistory: expect.any(CircularArray), |
| 666 | avgRunTime: 0, |
| 667 | medRunTime: expect.any(Number), |
| 668 | waitTime: 0, |
| 669 | waitTimeHistory: expect.any(CircularArray), |
| 670 | avgWaitTime: 0, |
| 671 | medWaitTime: 0, |
| 672 | error: 0, |
| 673 | elu: undefined |
| 674 | }) |
| 675 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 676 | expect(workerNode.tasksUsage.medRunTime).toBeGreaterThan(0) |
| 677 | } |
| 678 | expect( |
| 679 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 680 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 681 | ).workersVirtualTaskEndTimestamp.length |
| 682 | ).toBe(pool.workerNodes.length) |
| 683 | // We need to clean up the resources after our test |
| 684 | await pool.destroy() |
| 685 | }) |
| 686 | |
| 687 | it('Verify FAIR_SHARE strategy internals are resets after setting it', async () => { |
| 688 | const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE |
| 689 | let pool = new FixedThreadPool( |
| 690 | max, |
| 691 | './tests/worker-files/thread/testWorker.js' |
| 692 | ) |
| 693 | expect( |
| 694 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 695 | workerChoiceStrategy |
| 696 | ).workersVirtualTaskEndTimestamp |
| 697 | ).toBeInstanceOf(Array) |
| 698 | expect( |
| 699 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 700 | workerChoiceStrategy |
| 701 | ).workersVirtualTaskEndTimestamp.length |
| 702 | ).toBe(0) |
| 703 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 704 | workerChoiceStrategy |
| 705 | ).workersVirtualTaskEndTimestamp[0] = performance.now() |
| 706 | expect( |
| 707 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 708 | workerChoiceStrategy |
| 709 | ).workersVirtualTaskEndTimestamp.length |
| 710 | ).toBe(1) |
| 711 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 712 | expect( |
| 713 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 714 | workerChoiceStrategy |
| 715 | ).workersVirtualTaskEndTimestamp |
| 716 | ).toBeInstanceOf(Array) |
| 717 | expect( |
| 718 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 719 | workerChoiceStrategy |
| 720 | ).workersVirtualTaskEndTimestamp.length |
| 721 | ).toBe(0) |
| 722 | await pool.destroy() |
| 723 | pool = new DynamicThreadPool( |
| 724 | min, |
| 725 | max, |
| 726 | './tests/worker-files/thread/testWorker.js' |
| 727 | ) |
| 728 | expect( |
| 729 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 730 | workerChoiceStrategy |
| 731 | ).workersVirtualTaskEndTimestamp |
| 732 | ).toBeInstanceOf(Array) |
| 733 | expect( |
| 734 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 735 | workerChoiceStrategy |
| 736 | ).workersVirtualTaskEndTimestamp.length |
| 737 | ).toBe(0) |
| 738 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 739 | workerChoiceStrategy |
| 740 | ).workersVirtualTaskEndTimestamp[0] = performance.now() |
| 741 | expect( |
| 742 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 743 | workerChoiceStrategy |
| 744 | ).workersVirtualTaskEndTimestamp.length |
| 745 | ).toBe(1) |
| 746 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 747 | expect( |
| 748 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 749 | workerChoiceStrategy |
| 750 | ).workersVirtualTaskEndTimestamp |
| 751 | ).toBeInstanceOf(Array) |
| 752 | expect( |
| 753 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 754 | workerChoiceStrategy |
| 755 | ).workersVirtualTaskEndTimestamp.length |
| 756 | ).toBe(0) |
| 757 | // We need to clean up the resources after our test |
| 758 | await pool.destroy() |
| 759 | }) |
| 760 | |
| 761 | it('Verify WEIGHTED_ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { |
| 762 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 763 | let pool = new FixedThreadPool( |
| 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 | elu: false |
| 778 | }) |
| 779 | await pool.destroy() |
| 780 | pool = new DynamicThreadPool( |
| 781 | min, |
| 782 | max, |
| 783 | './tests/worker-files/thread/testWorker.js', |
| 784 | { workerChoiceStrategy } |
| 785 | ) |
| 786 | expect( |
| 787 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 788 | ).toStrictEqual({ |
| 789 | runTime: true, |
| 790 | avgRunTime: true, |
| 791 | medRunTime: false, |
| 792 | waitTime: false, |
| 793 | avgWaitTime: false, |
| 794 | medWaitTime: false, |
| 795 | elu: false |
| 796 | }) |
| 797 | // We need to clean up the resources after our test |
| 798 | await pool.destroy() |
| 799 | }) |
| 800 | |
| 801 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 802 | const pool = new FixedThreadPool( |
| 803 | max, |
| 804 | './tests/worker-files/thread/testWorker.js', |
| 805 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 806 | ) |
| 807 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 808 | const promises = new Set() |
| 809 | const maxMultiplier = 2 |
| 810 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 811 | promises.add(pool.execute()) |
| 812 | } |
| 813 | await Promise.all(promises) |
| 814 | for (const workerNode of pool.workerNodes) { |
| 815 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 816 | ran: expect.any(Number), |
| 817 | running: 0, |
| 818 | runTime: expect.any(Number), |
| 819 | runTimeHistory: expect.any(CircularArray), |
| 820 | avgRunTime: expect.any(Number), |
| 821 | medRunTime: 0, |
| 822 | waitTime: 0, |
| 823 | waitTimeHistory: expect.any(CircularArray), |
| 824 | avgWaitTime: 0, |
| 825 | medWaitTime: 0, |
| 826 | error: 0, |
| 827 | elu: undefined |
| 828 | }) |
| 829 | expect(workerNode.tasksUsage.ran).toBeGreaterThanOrEqual(0) |
| 830 | expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(max * maxMultiplier) |
| 831 | expect(workerNode.tasksUsage.runTime).toBeGreaterThanOrEqual(0) |
| 832 | expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0) |
| 833 | } |
| 834 | expect( |
| 835 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 836 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 837 | ).defaultWorkerWeight |
| 838 | ).toBeGreaterThan(0) |
| 839 | expect( |
| 840 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 841 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 842 | ).workerVirtualTaskRunTime |
| 843 | ).toBeGreaterThanOrEqual(0) |
| 844 | // We need to clean up the resources after our test |
| 845 | await pool.destroy() |
| 846 | }) |
| 847 | |
| 848 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 849 | const pool = new DynamicThreadPool( |
| 850 | min, |
| 851 | max, |
| 852 | './tests/worker-files/thread/testWorker.js', |
| 853 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 854 | ) |
| 855 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 856 | const promises = new Set() |
| 857 | const maxMultiplier = 2 |
| 858 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 859 | promises.add(pool.execute()) |
| 860 | } |
| 861 | await Promise.all(promises) |
| 862 | for (const workerNode of pool.workerNodes) { |
| 863 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 864 | ran: expect.any(Number), |
| 865 | running: 0, |
| 866 | runTime: expect.any(Number), |
| 867 | runTimeHistory: expect.any(CircularArray), |
| 868 | avgRunTime: expect.any(Number), |
| 869 | medRunTime: 0, |
| 870 | waitTime: 0, |
| 871 | waitTimeHistory: expect.any(CircularArray), |
| 872 | avgWaitTime: 0, |
| 873 | medWaitTime: 0, |
| 874 | error: 0, |
| 875 | elu: undefined |
| 876 | }) |
| 877 | expect(workerNode.tasksUsage.ran).toBeGreaterThan(0) |
| 878 | expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(max * maxMultiplier) |
| 879 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 880 | expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThan(0) |
| 881 | } |
| 882 | expect( |
| 883 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 884 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 885 | ).defaultWorkerWeight |
| 886 | ).toBeGreaterThan(0) |
| 887 | expect( |
| 888 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 889 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 890 | ).workerVirtualTaskRunTime |
| 891 | ).toBeGreaterThanOrEqual(0) |
| 892 | // We need to clean up the resources after our test |
| 893 | await pool.destroy() |
| 894 | }) |
| 895 | |
| 896 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool with median runtime statistic', async () => { |
| 897 | const pool = new DynamicThreadPool( |
| 898 | min, |
| 899 | max, |
| 900 | './tests/worker-files/thread/testWorker.js', |
| 901 | { |
| 902 | workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN, |
| 903 | workerChoiceStrategyOptions: { |
| 904 | medRunTime: true |
| 905 | } |
| 906 | } |
| 907 | ) |
| 908 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 909 | const promises = new Set() |
| 910 | const maxMultiplier = 2 |
| 911 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 912 | promises.add(pool.execute()) |
| 913 | } |
| 914 | await Promise.all(promises) |
| 915 | for (const workerNode of pool.workerNodes) { |
| 916 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 917 | ran: expect.any(Number), |
| 918 | running: 0, |
| 919 | runTime: expect.any(Number), |
| 920 | runTimeHistory: expect.any(CircularArray), |
| 921 | avgRunTime: 0, |
| 922 | medRunTime: expect.any(Number), |
| 923 | waitTime: 0, |
| 924 | waitTimeHistory: expect.any(CircularArray), |
| 925 | avgWaitTime: 0, |
| 926 | medWaitTime: 0, |
| 927 | error: 0, |
| 928 | elu: undefined |
| 929 | }) |
| 930 | expect(workerNode.tasksUsage.ran).toBeGreaterThan(0) |
| 931 | expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(max * maxMultiplier) |
| 932 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 933 | expect(workerNode.tasksUsage.medRunTime).toBeGreaterThan(0) |
| 934 | } |
| 935 | expect( |
| 936 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 937 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 938 | ).defaultWorkerWeight |
| 939 | ).toBeGreaterThan(0) |
| 940 | expect( |
| 941 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 942 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 943 | ).workerVirtualTaskRunTime |
| 944 | ).toBeGreaterThanOrEqual(0) |
| 945 | // We need to clean up the resources after our test |
| 946 | await pool.destroy() |
| 947 | }) |
| 948 | |
| 949 | it('Verify WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 950 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 951 | let pool = new FixedThreadPool( |
| 952 | max, |
| 953 | './tests/worker-files/thread/testWorker.js' |
| 954 | ) |
| 955 | expect( |
| 956 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 957 | workerChoiceStrategy |
| 958 | ).currentWorkerNodeId |
| 959 | ).toBeDefined() |
| 960 | expect( |
| 961 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 962 | workerChoiceStrategy |
| 963 | ).defaultWorkerWeight |
| 964 | ).toBeDefined() |
| 965 | expect( |
| 966 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 967 | workerChoiceStrategy |
| 968 | ).workerVirtualTaskRunTime |
| 969 | ).toBeDefined() |
| 970 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 971 | expect( |
| 972 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 973 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 974 | ).currentWorkerNodeId |
| 975 | ).toBe(0) |
| 976 | expect( |
| 977 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 978 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 979 | ).defaultWorkerWeight |
| 980 | ).toBeGreaterThan(0) |
| 981 | expect( |
| 982 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 983 | workerChoiceStrategy |
| 984 | ).workerVirtualTaskRunTime |
| 985 | ).toBe(0) |
| 986 | await pool.destroy() |
| 987 | pool = new DynamicThreadPool( |
| 988 | min, |
| 989 | max, |
| 990 | './tests/worker-files/thread/testWorker.js' |
| 991 | ) |
| 992 | expect( |
| 993 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 994 | workerChoiceStrategy |
| 995 | ).currentWorkerNodeId |
| 996 | ).toBeDefined() |
| 997 | expect( |
| 998 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 999 | workerChoiceStrategy |
| 1000 | ).defaultWorkerWeight |
| 1001 | ).toBeDefined() |
| 1002 | expect( |
| 1003 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1004 | workerChoiceStrategy |
| 1005 | ).workerVirtualTaskRunTime |
| 1006 | ).toBeDefined() |
| 1007 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1008 | expect( |
| 1009 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1010 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1011 | ).currentWorkerNodeId |
| 1012 | ).toBe(0) |
| 1013 | expect( |
| 1014 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1015 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1016 | ).defaultWorkerWeight |
| 1017 | ).toBeGreaterThan(0) |
| 1018 | expect( |
| 1019 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1020 | workerChoiceStrategy |
| 1021 | ).workerVirtualTaskRunTime |
| 1022 | ).toBe(0) |
| 1023 | // We need to clean up the resources after our test |
| 1024 | await pool.destroy() |
| 1025 | }) |
| 1026 | |
| 1027 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { |
| 1028 | const workerChoiceStrategy = |
| 1029 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1030 | let pool = new FixedThreadPool( |
| 1031 | max, |
| 1032 | './tests/worker-files/thread/testWorker.js', |
| 1033 | { workerChoiceStrategy } |
| 1034 | ) |
| 1035 | expect( |
| 1036 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 1037 | ).toStrictEqual({ |
| 1038 | runTime: false, |
| 1039 | avgRunTime: false, |
| 1040 | medRunTime: false, |
| 1041 | waitTime: false, |
| 1042 | avgWaitTime: false, |
| 1043 | medWaitTime: false, |
| 1044 | elu: false |
| 1045 | }) |
| 1046 | await pool.destroy() |
| 1047 | pool = new DynamicThreadPool( |
| 1048 | min, |
| 1049 | max, |
| 1050 | './tests/worker-files/thread/testWorker.js', |
| 1051 | { workerChoiceStrategy } |
| 1052 | ) |
| 1053 | expect( |
| 1054 | pool.workerChoiceStrategyContext.getRequiredStatistics() |
| 1055 | ).toStrictEqual({ |
| 1056 | runTime: false, |
| 1057 | avgRunTime: false, |
| 1058 | medRunTime: false, |
| 1059 | waitTime: false, |
| 1060 | avgWaitTime: false, |
| 1061 | medWaitTime: false, |
| 1062 | elu: false |
| 1063 | }) |
| 1064 | // We need to clean up the resources after our test |
| 1065 | await pool.destroy() |
| 1066 | }) |
| 1067 | |
| 1068 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 1069 | const pool = new FixedThreadPool( |
| 1070 | max, |
| 1071 | './tests/worker-files/thread/testWorker.js', |
| 1072 | { |
| 1073 | workerChoiceStrategy: |
| 1074 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1075 | } |
| 1076 | ) |
| 1077 | // TODO: Create a better test to cover `InterleavedWeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1078 | const promises = new Set() |
| 1079 | const maxMultiplier = 2 |
| 1080 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1081 | promises.add(pool.execute()) |
| 1082 | } |
| 1083 | await Promise.all(promises) |
| 1084 | for (const workerNode of pool.workerNodes) { |
| 1085 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 1086 | ran: maxMultiplier, |
| 1087 | running: 0, |
| 1088 | runTime: 0, |
| 1089 | runTimeHistory: expect.any(CircularArray), |
| 1090 | avgRunTime: 0, |
| 1091 | medRunTime: 0, |
| 1092 | waitTime: 0, |
| 1093 | waitTimeHistory: expect.any(CircularArray), |
| 1094 | avgWaitTime: 0, |
| 1095 | medWaitTime: 0, |
| 1096 | error: 0, |
| 1097 | elu: undefined |
| 1098 | }) |
| 1099 | } |
| 1100 | expect( |
| 1101 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1102 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1103 | ).defaultWorkerWeight |
| 1104 | ).toBeGreaterThan(0) |
| 1105 | expect( |
| 1106 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1107 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1108 | ).currentRoundId |
| 1109 | ).toBe(0) |
| 1110 | expect( |
| 1111 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1112 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1113 | ).currentWorkerNodeId |
| 1114 | ).toBe(0) |
| 1115 | expect( |
| 1116 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1117 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1118 | ).roundWeights |
| 1119 | ).toStrictEqual([ |
| 1120 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1121 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1122 | ).defaultWorkerWeight |
| 1123 | ]) |
| 1124 | // We need to clean up the resources after our test |
| 1125 | await pool.destroy() |
| 1126 | }) |
| 1127 | |
| 1128 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 1129 | const pool = new DynamicThreadPool( |
| 1130 | min, |
| 1131 | max, |
| 1132 | './tests/worker-files/thread/testWorker.js', |
| 1133 | { |
| 1134 | workerChoiceStrategy: |
| 1135 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1136 | } |
| 1137 | ) |
| 1138 | // TODO: Create a better test to cover `InterleavedWeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1139 | const promises = new Set() |
| 1140 | const maxMultiplier = 2 |
| 1141 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1142 | promises.add(pool.execute()) |
| 1143 | } |
| 1144 | await Promise.all(promises) |
| 1145 | for (const workerNode of pool.workerNodes) { |
| 1146 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 1147 | ran: maxMultiplier, |
| 1148 | running: 0, |
| 1149 | runTime: 0, |
| 1150 | runTimeHistory: expect.any(CircularArray), |
| 1151 | avgRunTime: 0, |
| 1152 | medRunTime: 0, |
| 1153 | waitTime: 0, |
| 1154 | waitTimeHistory: expect.any(CircularArray), |
| 1155 | avgWaitTime: 0, |
| 1156 | medWaitTime: 0, |
| 1157 | error: 0, |
| 1158 | elu: undefined |
| 1159 | }) |
| 1160 | } |
| 1161 | expect( |
| 1162 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1163 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1164 | ).defaultWorkerWeight |
| 1165 | ).toBeGreaterThan(0) |
| 1166 | expect( |
| 1167 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1168 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1169 | ).currentRoundId |
| 1170 | ).toBe(0) |
| 1171 | expect( |
| 1172 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1173 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1174 | ).currentWorkerNodeId |
| 1175 | ).toBe(0) |
| 1176 | expect( |
| 1177 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1178 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1179 | ).roundWeights |
| 1180 | ).toStrictEqual([ |
| 1181 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1182 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1183 | ).defaultWorkerWeight |
| 1184 | ]) |
| 1185 | // We need to clean up the resources after our test |
| 1186 | await pool.destroy() |
| 1187 | }) |
| 1188 | |
| 1189 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 1190 | const workerChoiceStrategy = |
| 1191 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1192 | let pool = new FixedThreadPool( |
| 1193 | max, |
| 1194 | './tests/worker-files/thread/testWorker.js' |
| 1195 | ) |
| 1196 | expect( |
| 1197 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1198 | workerChoiceStrategy |
| 1199 | ).currentRoundId |
| 1200 | ).toBeDefined() |
| 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 | ).roundWeights |
| 1215 | ).toBeDefined() |
| 1216 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1217 | expect( |
| 1218 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1219 | workerChoiceStrategy |
| 1220 | ).currentRoundId |
| 1221 | ).toBe(0) |
| 1222 | expect( |
| 1223 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1224 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1225 | ).currentWorkerNodeId |
| 1226 | ).toBe(0) |
| 1227 | expect( |
| 1228 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1229 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1230 | ).defaultWorkerWeight |
| 1231 | ).toBeGreaterThan(0) |
| 1232 | expect( |
| 1233 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1234 | workerChoiceStrategy |
| 1235 | ).roundWeights |
| 1236 | ).toStrictEqual([ |
| 1237 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1238 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1239 | ).defaultWorkerWeight |
| 1240 | ]) |
| 1241 | await pool.destroy() |
| 1242 | pool = new DynamicThreadPool( |
| 1243 | min, |
| 1244 | max, |
| 1245 | './tests/worker-files/thread/testWorker.js' |
| 1246 | ) |
| 1247 | expect( |
| 1248 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1249 | workerChoiceStrategy |
| 1250 | ).currentRoundId |
| 1251 | ).toBeDefined() |
| 1252 | expect( |
| 1253 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1254 | workerChoiceStrategy |
| 1255 | ).currentWorkerNodeId |
| 1256 | ).toBeDefined() |
| 1257 | expect( |
| 1258 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1259 | workerChoiceStrategy |
| 1260 | ).defaultWorkerWeight |
| 1261 | ).toBeDefined() |
| 1262 | expect( |
| 1263 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1264 | workerChoiceStrategy |
| 1265 | ).roundWeights |
| 1266 | ).toBeDefined() |
| 1267 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1268 | expect( |
| 1269 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1270 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1271 | ).currentWorkerNodeId |
| 1272 | ).toBe(0) |
| 1273 | expect( |
| 1274 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1275 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1276 | ).defaultWorkerWeight |
| 1277 | ).toBeGreaterThan(0) |
| 1278 | expect( |
| 1279 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1280 | workerChoiceStrategy |
| 1281 | ).roundWeights |
| 1282 | ).toStrictEqual([ |
| 1283 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1284 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1285 | ).defaultWorkerWeight |
| 1286 | ]) |
| 1287 | // We need to clean up the resources after our test |
| 1288 | await pool.destroy() |
| 1289 | }) |
| 1290 | |
| 1291 | it('Verify unknown strategy throw error', () => { |
| 1292 | expect( |
| 1293 | () => |
| 1294 | new DynamicThreadPool( |
| 1295 | min, |
| 1296 | max, |
| 1297 | './tests/worker-files/thread/testWorker.js', |
| 1298 | { workerChoiceStrategy: 'UNKNOWN_STRATEGY' } |
| 1299 | ) |
| 1300 | ).toThrowError("Invalid worker choice strategy 'UNKNOWN_STRATEGY'") |
| 1301 | }) |
| 1302 | }) |