| 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(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 125 | runTime: false, |
| 126 | avgRunTime: false, |
| 127 | medRunTime: false, |
| 128 | waitTime: false, |
| 129 | avgWaitTime: false, |
| 130 | medWaitTime: false, |
| 131 | elu: false |
| 132 | }) |
| 133 | await pool.destroy() |
| 134 | pool = new DynamicThreadPool( |
| 135 | min, |
| 136 | max, |
| 137 | './tests/worker-files/thread/testWorker.js', |
| 138 | { workerChoiceStrategy } |
| 139 | ) |
| 140 | expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 141 | runTime: false, |
| 142 | avgRunTime: false, |
| 143 | medRunTime: false, |
| 144 | waitTime: false, |
| 145 | avgWaitTime: false, |
| 146 | medWaitTime: false, |
| 147 | elu: false |
| 148 | }) |
| 149 | // We need to clean up the resources after our test |
| 150 | await pool.destroy() |
| 151 | }) |
| 152 | |
| 153 | it('Verify ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 154 | const pool = new FixedThreadPool( |
| 155 | max, |
| 156 | './tests/worker-files/thread/testWorker.js', |
| 157 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 158 | ) |
| 159 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 160 | const promises = new Set() |
| 161 | const maxMultiplier = 2 |
| 162 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 163 | promises.add(pool.execute()) |
| 164 | } |
| 165 | await Promise.all(promises) |
| 166 | for (const workerNode of pool.workerNodes) { |
| 167 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 168 | ran: maxMultiplier, |
| 169 | running: 0, |
| 170 | runTime: 0, |
| 171 | runTimeHistory: expect.any(CircularArray), |
| 172 | avgRunTime: 0, |
| 173 | medRunTime: 0, |
| 174 | waitTime: 0, |
| 175 | waitTimeHistory: expect.any(CircularArray), |
| 176 | avgWaitTime: 0, |
| 177 | medWaitTime: 0, |
| 178 | error: 0, |
| 179 | elu: undefined |
| 180 | }) |
| 181 | } |
| 182 | expect( |
| 183 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 184 | WorkerChoiceStrategies.ROUND_ROBIN |
| 185 | ).nextWorkerNodeId |
| 186 | ).toBe(0) |
| 187 | // We need to clean up the resources after our test |
| 188 | await pool.destroy() |
| 189 | }) |
| 190 | |
| 191 | it('Verify ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 192 | const pool = new DynamicThreadPool( |
| 193 | min, |
| 194 | max, |
| 195 | './tests/worker-files/thread/testWorker.js', |
| 196 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 197 | ) |
| 198 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 199 | const promises = new Set() |
| 200 | const maxMultiplier = 2 |
| 201 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 202 | promises.add(pool.execute()) |
| 203 | } |
| 204 | await Promise.all(promises) |
| 205 | for (const workerNode of pool.workerNodes) { |
| 206 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 207 | ran: maxMultiplier, |
| 208 | running: 0, |
| 209 | runTime: 0, |
| 210 | runTimeHistory: expect.any(CircularArray), |
| 211 | avgRunTime: 0, |
| 212 | medRunTime: 0, |
| 213 | waitTime: 0, |
| 214 | waitTimeHistory: expect.any(CircularArray), |
| 215 | avgWaitTime: 0, |
| 216 | medWaitTime: 0, |
| 217 | error: 0, |
| 218 | elu: undefined |
| 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(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 304 | runTime: false, |
| 305 | avgRunTime: false, |
| 306 | medRunTime: false, |
| 307 | waitTime: false, |
| 308 | avgWaitTime: false, |
| 309 | medWaitTime: false, |
| 310 | elu: false |
| 311 | }) |
| 312 | await pool.destroy() |
| 313 | pool = new DynamicThreadPool( |
| 314 | min, |
| 315 | max, |
| 316 | './tests/worker-files/thread/testWorker.js', |
| 317 | { workerChoiceStrategy } |
| 318 | ) |
| 319 | expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 320 | runTime: false, |
| 321 | avgRunTime: false, |
| 322 | medRunTime: false, |
| 323 | waitTime: false, |
| 324 | avgWaitTime: false, |
| 325 | medWaitTime: false, |
| 326 | elu: false |
| 327 | }) |
| 328 | // We need to clean up the resources after our test |
| 329 | await pool.destroy() |
| 330 | }) |
| 331 | |
| 332 | it('Verify LEAST_USED strategy can be run in a fixed pool', async () => { |
| 333 | const pool = new FixedThreadPool( |
| 334 | max, |
| 335 | './tests/worker-files/thread/testWorker.js', |
| 336 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } |
| 337 | ) |
| 338 | // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` |
| 339 | const promises = new Set() |
| 340 | const maxMultiplier = 2 |
| 341 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 342 | promises.add(pool.execute()) |
| 343 | } |
| 344 | await Promise.all(promises) |
| 345 | for (const workerNode of pool.workerNodes) { |
| 346 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 347 | ran: maxMultiplier, |
| 348 | running: 0, |
| 349 | runTime: 0, |
| 350 | runTimeHistory: expect.any(CircularArray), |
| 351 | avgRunTime: 0, |
| 352 | medRunTime: 0, |
| 353 | waitTime: 0, |
| 354 | waitTimeHistory: expect.any(CircularArray), |
| 355 | avgWaitTime: 0, |
| 356 | medWaitTime: 0, |
| 357 | error: 0, |
| 358 | elu: undefined |
| 359 | }) |
| 360 | } |
| 361 | // We need to clean up the resources after our test |
| 362 | await pool.destroy() |
| 363 | }) |
| 364 | |
| 365 | it('Verify LEAST_USED strategy can be run in a dynamic pool', async () => { |
| 366 | const pool = new DynamicThreadPool( |
| 367 | min, |
| 368 | max, |
| 369 | './tests/worker-files/thread/testWorker.js', |
| 370 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_USED } |
| 371 | ) |
| 372 | // TODO: Create a better test to cover `LeastUsedWorkerChoiceStrategy#choose` |
| 373 | const promises = new Set() |
| 374 | const maxMultiplier = 2 |
| 375 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 376 | promises.add(pool.execute()) |
| 377 | } |
| 378 | await Promise.all(promises) |
| 379 | for (const workerNode of pool.workerNodes) { |
| 380 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 381 | ran: maxMultiplier, |
| 382 | running: 0, |
| 383 | runTime: 0, |
| 384 | runTimeHistory: expect.any(CircularArray), |
| 385 | avgRunTime: 0, |
| 386 | medRunTime: 0, |
| 387 | waitTime: 0, |
| 388 | waitTimeHistory: expect.any(CircularArray), |
| 389 | avgWaitTime: 0, |
| 390 | medWaitTime: 0, |
| 391 | error: 0, |
| 392 | elu: undefined |
| 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(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 407 | runTime: true, |
| 408 | avgRunTime: false, |
| 409 | medRunTime: false, |
| 410 | waitTime: false, |
| 411 | avgWaitTime: false, |
| 412 | medWaitTime: false, |
| 413 | elu: false |
| 414 | }) |
| 415 | await pool.destroy() |
| 416 | pool = new DynamicThreadPool( |
| 417 | min, |
| 418 | max, |
| 419 | './tests/worker-files/thread/testWorker.js', |
| 420 | { workerChoiceStrategy } |
| 421 | ) |
| 422 | expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 423 | runTime: true, |
| 424 | avgRunTime: false, |
| 425 | medRunTime: false, |
| 426 | waitTime: false, |
| 427 | avgWaitTime: false, |
| 428 | medWaitTime: false, |
| 429 | elu: false |
| 430 | }) |
| 431 | // We need to clean up the resources after our test |
| 432 | await pool.destroy() |
| 433 | }) |
| 434 | |
| 435 | it('Verify LEAST_BUSY strategy can be run in a fixed pool', async () => { |
| 436 | const pool = new FixedThreadPool( |
| 437 | max, |
| 438 | './tests/worker-files/thread/testWorker.js', |
| 439 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } |
| 440 | ) |
| 441 | // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` |
| 442 | const promises = new Set() |
| 443 | const maxMultiplier = 2 |
| 444 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 445 | promises.add(pool.execute()) |
| 446 | } |
| 447 | await Promise.all(promises) |
| 448 | for (const workerNode of pool.workerNodes) { |
| 449 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 450 | ran: expect.any(Number), |
| 451 | running: 0, |
| 452 | runTime: expect.any(Number), |
| 453 | runTimeHistory: expect.any(CircularArray), |
| 454 | avgRunTime: 0, |
| 455 | medRunTime: 0, |
| 456 | waitTime: 0, |
| 457 | waitTimeHistory: expect.any(CircularArray), |
| 458 | avgWaitTime: 0, |
| 459 | medWaitTime: 0, |
| 460 | error: 0, |
| 461 | elu: undefined |
| 462 | }) |
| 463 | expect(workerNode.tasksUsage.ran).toBeGreaterThanOrEqual(0) |
| 464 | expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(max * maxMultiplier) |
| 465 | expect(workerNode.tasksUsage.runTime).toBeGreaterThanOrEqual(0) |
| 466 | } |
| 467 | // We need to clean up the resources after our test |
| 468 | await pool.destroy() |
| 469 | }) |
| 470 | |
| 471 | it('Verify LEAST_BUSY strategy can be run in a dynamic pool', async () => { |
| 472 | const pool = new DynamicThreadPool( |
| 473 | min, |
| 474 | max, |
| 475 | './tests/worker-files/thread/testWorker.js', |
| 476 | { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY } |
| 477 | ) |
| 478 | // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose` |
| 479 | const promises = new Set() |
| 480 | const maxMultiplier = 2 |
| 481 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 482 | promises.add(pool.execute()) |
| 483 | } |
| 484 | await Promise.all(promises) |
| 485 | for (const workerNode of pool.workerNodes) { |
| 486 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 487 | ran: expect.any(Number), |
| 488 | running: 0, |
| 489 | runTime: expect.any(Number), |
| 490 | runTimeHistory: expect.any(CircularArray), |
| 491 | avgRunTime: 0, |
| 492 | medRunTime: 0, |
| 493 | waitTime: 0, |
| 494 | waitTimeHistory: expect.any(CircularArray), |
| 495 | avgWaitTime: 0, |
| 496 | medWaitTime: 0, |
| 497 | error: 0, |
| 498 | elu: undefined |
| 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(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 516 | runTime: true, |
| 517 | avgRunTime: true, |
| 518 | medRunTime: false, |
| 519 | waitTime: false, |
| 520 | avgWaitTime: false, |
| 521 | medWaitTime: false, |
| 522 | elu: false |
| 523 | }) |
| 524 | await pool.destroy() |
| 525 | pool = new DynamicThreadPool( |
| 526 | min, |
| 527 | max, |
| 528 | './tests/worker-files/thread/testWorker.js', |
| 529 | { workerChoiceStrategy } |
| 530 | ) |
| 531 | expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 532 | runTime: true, |
| 533 | avgRunTime: true, |
| 534 | medRunTime: false, |
| 535 | waitTime: false, |
| 536 | avgWaitTime: false, |
| 537 | medWaitTime: false, |
| 538 | elu: false |
| 539 | }) |
| 540 | // We need to clean up the resources after our test |
| 541 | await pool.destroy() |
| 542 | }) |
| 543 | |
| 544 | it('Verify FAIR_SHARE strategy can be run in a fixed pool', async () => { |
| 545 | const pool = new FixedThreadPool( |
| 546 | max, |
| 547 | './tests/worker-files/thread/testWorker.js', |
| 548 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 549 | ) |
| 550 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 551 | const promises = new Set() |
| 552 | const maxMultiplier = 2 |
| 553 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 554 | promises.add(pool.execute()) |
| 555 | } |
| 556 | await Promise.all(promises) |
| 557 | for (const workerNode of pool.workerNodes) { |
| 558 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 559 | ran: maxMultiplier, |
| 560 | running: 0, |
| 561 | runTime: expect.any(Number), |
| 562 | runTimeHistory: expect.any(CircularArray), |
| 563 | avgRunTime: expect.any(Number), |
| 564 | medRunTime: 0, |
| 565 | waitTime: 0, |
| 566 | waitTimeHistory: expect.any(CircularArray), |
| 567 | avgWaitTime: 0, |
| 568 | medWaitTime: 0, |
| 569 | error: 0, |
| 570 | elu: undefined |
| 571 | }) |
| 572 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 573 | expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThan(0) |
| 574 | } |
| 575 | expect( |
| 576 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 577 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 578 | ).workersVirtualTaskEndTimestamp.length |
| 579 | ).toBe(pool.workerNodes.length) |
| 580 | // We need to clean up the resources after our test |
| 581 | await pool.destroy() |
| 582 | }) |
| 583 | |
| 584 | it('Verify FAIR_SHARE strategy can be run in a dynamic pool', async () => { |
| 585 | const pool = new DynamicThreadPool( |
| 586 | min, |
| 587 | max, |
| 588 | './tests/worker-files/thread/testWorker.js', |
| 589 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 590 | ) |
| 591 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 592 | const promises = new Set() |
| 593 | const maxMultiplier = 2 |
| 594 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 595 | promises.add(pool.execute()) |
| 596 | } |
| 597 | await Promise.all(promises) |
| 598 | for (const workerNode of pool.workerNodes) { |
| 599 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 600 | ran: maxMultiplier, |
| 601 | running: 0, |
| 602 | runTime: expect.any(Number), |
| 603 | runTimeHistory: expect.any(CircularArray), |
| 604 | avgRunTime: expect.any(Number), |
| 605 | medRunTime: 0, |
| 606 | waitTime: 0, |
| 607 | waitTimeHistory: expect.any(CircularArray), |
| 608 | avgWaitTime: 0, |
| 609 | medWaitTime: 0, |
| 610 | error: 0, |
| 611 | elu: undefined |
| 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 | elu: undefined |
| 658 | }) |
| 659 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 660 | expect(workerNode.tasksUsage.medRunTime).toBeGreaterThan(0) |
| 661 | } |
| 662 | expect( |
| 663 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 664 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 665 | ).workersVirtualTaskEndTimestamp.length |
| 666 | ).toBe(pool.workerNodes.length) |
| 667 | // We need to clean up the resources after our test |
| 668 | await pool.destroy() |
| 669 | }) |
| 670 | |
| 671 | it('Verify FAIR_SHARE strategy internals are resets after setting it', async () => { |
| 672 | const workerChoiceStrategy = WorkerChoiceStrategies.FAIR_SHARE |
| 673 | let pool = new FixedThreadPool( |
| 674 | max, |
| 675 | './tests/worker-files/thread/testWorker.js' |
| 676 | ) |
| 677 | expect( |
| 678 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 679 | workerChoiceStrategy |
| 680 | ).workersVirtualTaskEndTimestamp |
| 681 | ).toBeInstanceOf(Array) |
| 682 | expect( |
| 683 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 684 | workerChoiceStrategy |
| 685 | ).workersVirtualTaskEndTimestamp.length |
| 686 | ).toBe(0) |
| 687 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 688 | workerChoiceStrategy |
| 689 | ).workersVirtualTaskEndTimestamp[0] = performance.now() |
| 690 | expect( |
| 691 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 692 | workerChoiceStrategy |
| 693 | ).workersVirtualTaskEndTimestamp.length |
| 694 | ).toBe(1) |
| 695 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 696 | expect( |
| 697 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 698 | workerChoiceStrategy |
| 699 | ).workersVirtualTaskEndTimestamp |
| 700 | ).toBeInstanceOf(Array) |
| 701 | expect( |
| 702 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 703 | workerChoiceStrategy |
| 704 | ).workersVirtualTaskEndTimestamp.length |
| 705 | ).toBe(0) |
| 706 | await pool.destroy() |
| 707 | pool = new DynamicThreadPool( |
| 708 | min, |
| 709 | max, |
| 710 | './tests/worker-files/thread/testWorker.js' |
| 711 | ) |
| 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 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 723 | workerChoiceStrategy |
| 724 | ).workersVirtualTaskEndTimestamp[0] = performance.now() |
| 725 | expect( |
| 726 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 727 | workerChoiceStrategy |
| 728 | ).workersVirtualTaskEndTimestamp.length |
| 729 | ).toBe(1) |
| 730 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 731 | expect( |
| 732 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 733 | workerChoiceStrategy |
| 734 | ).workersVirtualTaskEndTimestamp |
| 735 | ).toBeInstanceOf(Array) |
| 736 | expect( |
| 737 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 738 | workerChoiceStrategy |
| 739 | ).workersVirtualTaskEndTimestamp.length |
| 740 | ).toBe(0) |
| 741 | // We need to clean up the resources after our test |
| 742 | await pool.destroy() |
| 743 | }) |
| 744 | |
| 745 | it('Verify WEIGHTED_ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { |
| 746 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 747 | let pool = new FixedThreadPool( |
| 748 | max, |
| 749 | './tests/worker-files/thread/testWorker.js', |
| 750 | { workerChoiceStrategy } |
| 751 | ) |
| 752 | expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 753 | runTime: true, |
| 754 | avgRunTime: true, |
| 755 | medRunTime: false, |
| 756 | waitTime: false, |
| 757 | avgWaitTime: false, |
| 758 | medWaitTime: false, |
| 759 | elu: 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(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 769 | runTime: true, |
| 770 | avgRunTime: true, |
| 771 | medRunTime: false, |
| 772 | waitTime: false, |
| 773 | avgWaitTime: false, |
| 774 | medWaitTime: false, |
| 775 | elu: false |
| 776 | }) |
| 777 | // We need to clean up the resources after our test |
| 778 | await pool.destroy() |
| 779 | }) |
| 780 | |
| 781 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 782 | const pool = new FixedThreadPool( |
| 783 | max, |
| 784 | './tests/worker-files/thread/testWorker.js', |
| 785 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 786 | ) |
| 787 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 788 | const promises = new Set() |
| 789 | const maxMultiplier = 2 |
| 790 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 791 | promises.add(pool.execute()) |
| 792 | } |
| 793 | await Promise.all(promises) |
| 794 | for (const workerNode of pool.workerNodes) { |
| 795 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 796 | ran: expect.any(Number), |
| 797 | running: 0, |
| 798 | runTime: expect.any(Number), |
| 799 | runTimeHistory: expect.any(CircularArray), |
| 800 | avgRunTime: expect.any(Number), |
| 801 | medRunTime: 0, |
| 802 | waitTime: 0, |
| 803 | waitTimeHistory: expect.any(CircularArray), |
| 804 | avgWaitTime: 0, |
| 805 | medWaitTime: 0, |
| 806 | error: 0, |
| 807 | elu: undefined |
| 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 | elu: undefined |
| 856 | }) |
| 857 | expect(workerNode.tasksUsage.ran).toBeGreaterThan(0) |
| 858 | expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(max * maxMultiplier) |
| 859 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 860 | expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThan(0) |
| 861 | } |
| 862 | expect( |
| 863 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 864 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 865 | ).defaultWorkerWeight |
| 866 | ).toBeGreaterThan(0) |
| 867 | expect( |
| 868 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 869 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 870 | ).workerVirtualTaskRunTime |
| 871 | ).toBeGreaterThanOrEqual(0) |
| 872 | // We need to clean up the resources after our test |
| 873 | await pool.destroy() |
| 874 | }) |
| 875 | |
| 876 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool with median runtime statistic', async () => { |
| 877 | const pool = new DynamicThreadPool( |
| 878 | min, |
| 879 | max, |
| 880 | './tests/worker-files/thread/testWorker.js', |
| 881 | { |
| 882 | workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN, |
| 883 | workerChoiceStrategyOptions: { |
| 884 | medRunTime: true |
| 885 | } |
| 886 | } |
| 887 | ) |
| 888 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 889 | const promises = new Set() |
| 890 | const maxMultiplier = 2 |
| 891 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 892 | promises.add(pool.execute()) |
| 893 | } |
| 894 | await Promise.all(promises) |
| 895 | for (const workerNode of pool.workerNodes) { |
| 896 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 897 | ran: expect.any(Number), |
| 898 | running: 0, |
| 899 | runTime: expect.any(Number), |
| 900 | runTimeHistory: expect.any(CircularArray), |
| 901 | avgRunTime: 0, |
| 902 | medRunTime: expect.any(Number), |
| 903 | waitTime: 0, |
| 904 | waitTimeHistory: expect.any(CircularArray), |
| 905 | avgWaitTime: 0, |
| 906 | medWaitTime: 0, |
| 907 | error: 0, |
| 908 | elu: undefined |
| 909 | }) |
| 910 | expect(workerNode.tasksUsage.ran).toBeGreaterThan(0) |
| 911 | expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(max * maxMultiplier) |
| 912 | expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0) |
| 913 | expect(workerNode.tasksUsage.medRunTime).toBeGreaterThan(0) |
| 914 | } |
| 915 | expect( |
| 916 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 917 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 918 | ).defaultWorkerWeight |
| 919 | ).toBeGreaterThan(0) |
| 920 | expect( |
| 921 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 922 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 923 | ).workerVirtualTaskRunTime |
| 924 | ).toBeGreaterThanOrEqual(0) |
| 925 | // We need to clean up the resources after our test |
| 926 | await pool.destroy() |
| 927 | }) |
| 928 | |
| 929 | it('Verify WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 930 | const workerChoiceStrategy = WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 931 | let pool = new FixedThreadPool( |
| 932 | max, |
| 933 | './tests/worker-files/thread/testWorker.js' |
| 934 | ) |
| 935 | expect( |
| 936 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 937 | workerChoiceStrategy |
| 938 | ).currentWorkerNodeId |
| 939 | ).toBeDefined() |
| 940 | expect( |
| 941 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 942 | workerChoiceStrategy |
| 943 | ).defaultWorkerWeight |
| 944 | ).toBeDefined() |
| 945 | expect( |
| 946 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 947 | workerChoiceStrategy |
| 948 | ).workerVirtualTaskRunTime |
| 949 | ).toBeDefined() |
| 950 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 951 | expect( |
| 952 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 953 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 954 | ).currentWorkerNodeId |
| 955 | ).toBe(0) |
| 956 | expect( |
| 957 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 958 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 959 | ).defaultWorkerWeight |
| 960 | ).toBeGreaterThan(0) |
| 961 | expect( |
| 962 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 963 | workerChoiceStrategy |
| 964 | ).workerVirtualTaskRunTime |
| 965 | ).toBe(0) |
| 966 | await pool.destroy() |
| 967 | pool = new DynamicThreadPool( |
| 968 | min, |
| 969 | max, |
| 970 | './tests/worker-files/thread/testWorker.js' |
| 971 | ) |
| 972 | expect( |
| 973 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 974 | workerChoiceStrategy |
| 975 | ).currentWorkerNodeId |
| 976 | ).toBeDefined() |
| 977 | expect( |
| 978 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 979 | workerChoiceStrategy |
| 980 | ).defaultWorkerWeight |
| 981 | ).toBeDefined() |
| 982 | expect( |
| 983 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 984 | workerChoiceStrategy |
| 985 | ).workerVirtualTaskRunTime |
| 986 | ).toBeDefined() |
| 987 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 988 | expect( |
| 989 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 990 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 991 | ).currentWorkerNodeId |
| 992 | ).toBe(0) |
| 993 | expect( |
| 994 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 995 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 996 | ).defaultWorkerWeight |
| 997 | ).toBeGreaterThan(0) |
| 998 | expect( |
| 999 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1000 | workerChoiceStrategy |
| 1001 | ).workerVirtualTaskRunTime |
| 1002 | ).toBe(0) |
| 1003 | // We need to clean up the resources after our test |
| 1004 | await pool.destroy() |
| 1005 | }) |
| 1006 | |
| 1007 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { |
| 1008 | const workerChoiceStrategy = |
| 1009 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1010 | let pool = new FixedThreadPool( |
| 1011 | max, |
| 1012 | './tests/worker-files/thread/testWorker.js', |
| 1013 | { workerChoiceStrategy } |
| 1014 | ) |
| 1015 | expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 1016 | runTime: false, |
| 1017 | avgRunTime: false, |
| 1018 | medRunTime: false, |
| 1019 | waitTime: false, |
| 1020 | avgWaitTime: false, |
| 1021 | medWaitTime: false, |
| 1022 | elu: false |
| 1023 | }) |
| 1024 | await pool.destroy() |
| 1025 | pool = new DynamicThreadPool( |
| 1026 | min, |
| 1027 | max, |
| 1028 | './tests/worker-files/thread/testWorker.js', |
| 1029 | { workerChoiceStrategy } |
| 1030 | ) |
| 1031 | expect(pool.workerChoiceStrategyContext.getTaskStatistics()).toStrictEqual({ |
| 1032 | runTime: false, |
| 1033 | avgRunTime: false, |
| 1034 | medRunTime: false, |
| 1035 | waitTime: false, |
| 1036 | avgWaitTime: false, |
| 1037 | medWaitTime: false, |
| 1038 | elu: 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 | elu: undefined |
| 1074 | }) |
| 1075 | } |
| 1076 | expect( |
| 1077 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1078 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1079 | ).defaultWorkerWeight |
| 1080 | ).toBeGreaterThan(0) |
| 1081 | expect( |
| 1082 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1083 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1084 | ).currentRoundId |
| 1085 | ).toBe(0) |
| 1086 | expect( |
| 1087 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1088 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1089 | ).currentWorkerNodeId |
| 1090 | ).toBe(0) |
| 1091 | expect( |
| 1092 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1093 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1094 | ).roundWeights |
| 1095 | ).toStrictEqual([ |
| 1096 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1097 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1098 | ).defaultWorkerWeight |
| 1099 | ]) |
| 1100 | // We need to clean up the resources after our test |
| 1101 | await pool.destroy() |
| 1102 | }) |
| 1103 | |
| 1104 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 1105 | const pool = new DynamicThreadPool( |
| 1106 | min, |
| 1107 | max, |
| 1108 | './tests/worker-files/thread/testWorker.js', |
| 1109 | { |
| 1110 | workerChoiceStrategy: |
| 1111 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1112 | } |
| 1113 | ) |
| 1114 | // TODO: Create a better test to cover `InterleavedWeightedRoundRobinWorkerChoiceStrategy#choose` |
| 1115 | const promises = new Set() |
| 1116 | const maxMultiplier = 2 |
| 1117 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 1118 | promises.add(pool.execute()) |
| 1119 | } |
| 1120 | await Promise.all(promises) |
| 1121 | for (const workerNode of pool.workerNodes) { |
| 1122 | expect(workerNode.tasksUsage).toStrictEqual({ |
| 1123 | ran: maxMultiplier, |
| 1124 | running: 0, |
| 1125 | runTime: 0, |
| 1126 | runTimeHistory: expect.any(CircularArray), |
| 1127 | avgRunTime: 0, |
| 1128 | medRunTime: 0, |
| 1129 | waitTime: 0, |
| 1130 | waitTimeHistory: expect.any(CircularArray), |
| 1131 | avgWaitTime: 0, |
| 1132 | medWaitTime: 0, |
| 1133 | error: 0, |
| 1134 | elu: undefined |
| 1135 | }) |
| 1136 | } |
| 1137 | expect( |
| 1138 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1139 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1140 | ).defaultWorkerWeight |
| 1141 | ).toBeGreaterThan(0) |
| 1142 | expect( |
| 1143 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1144 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1145 | ).currentRoundId |
| 1146 | ).toBe(0) |
| 1147 | expect( |
| 1148 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1149 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1150 | ).currentWorkerNodeId |
| 1151 | ).toBe(0) |
| 1152 | expect( |
| 1153 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1154 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1155 | ).roundWeights |
| 1156 | ).toStrictEqual([ |
| 1157 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1158 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1159 | ).defaultWorkerWeight |
| 1160 | ]) |
| 1161 | // We need to clean up the resources after our test |
| 1162 | await pool.destroy() |
| 1163 | }) |
| 1164 | |
| 1165 | it('Verify INTERLEAVED_WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 1166 | const workerChoiceStrategy = |
| 1167 | WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN |
| 1168 | let pool = new FixedThreadPool( |
| 1169 | max, |
| 1170 | './tests/worker-files/thread/testWorker.js' |
| 1171 | ) |
| 1172 | expect( |
| 1173 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1174 | workerChoiceStrategy |
| 1175 | ).currentRoundId |
| 1176 | ).toBeDefined() |
| 1177 | expect( |
| 1178 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1179 | workerChoiceStrategy |
| 1180 | ).currentWorkerNodeId |
| 1181 | ).toBeDefined() |
| 1182 | expect( |
| 1183 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1184 | workerChoiceStrategy |
| 1185 | ).defaultWorkerWeight |
| 1186 | ).toBeDefined() |
| 1187 | expect( |
| 1188 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1189 | workerChoiceStrategy |
| 1190 | ).roundWeights |
| 1191 | ).toBeDefined() |
| 1192 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1193 | expect( |
| 1194 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1195 | workerChoiceStrategy |
| 1196 | ).currentRoundId |
| 1197 | ).toBe(0) |
| 1198 | expect( |
| 1199 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1200 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1201 | ).currentWorkerNodeId |
| 1202 | ).toBe(0) |
| 1203 | expect( |
| 1204 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1205 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1206 | ).defaultWorkerWeight |
| 1207 | ).toBeGreaterThan(0) |
| 1208 | expect( |
| 1209 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1210 | workerChoiceStrategy |
| 1211 | ).roundWeights |
| 1212 | ).toStrictEqual([ |
| 1213 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1214 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1215 | ).defaultWorkerWeight |
| 1216 | ]) |
| 1217 | await pool.destroy() |
| 1218 | pool = new DynamicThreadPool( |
| 1219 | min, |
| 1220 | max, |
| 1221 | './tests/worker-files/thread/testWorker.js' |
| 1222 | ) |
| 1223 | expect( |
| 1224 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1225 | workerChoiceStrategy |
| 1226 | ).currentRoundId |
| 1227 | ).toBeDefined() |
| 1228 | expect( |
| 1229 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1230 | workerChoiceStrategy |
| 1231 | ).currentWorkerNodeId |
| 1232 | ).toBeDefined() |
| 1233 | expect( |
| 1234 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1235 | workerChoiceStrategy |
| 1236 | ).defaultWorkerWeight |
| 1237 | ).toBeDefined() |
| 1238 | expect( |
| 1239 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1240 | workerChoiceStrategy |
| 1241 | ).roundWeights |
| 1242 | ).toBeDefined() |
| 1243 | pool.setWorkerChoiceStrategy(workerChoiceStrategy) |
| 1244 | expect( |
| 1245 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1246 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1247 | ).currentWorkerNodeId |
| 1248 | ).toBe(0) |
| 1249 | expect( |
| 1250 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1251 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1252 | ).defaultWorkerWeight |
| 1253 | ).toBeGreaterThan(0) |
| 1254 | expect( |
| 1255 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1256 | workerChoiceStrategy |
| 1257 | ).roundWeights |
| 1258 | ).toStrictEqual([ |
| 1259 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 1260 | pool.workerChoiceStrategyContext.workerChoiceStrategy |
| 1261 | ).defaultWorkerWeight |
| 1262 | ]) |
| 1263 | // We need to clean up the resources after our test |
| 1264 | await pool.destroy() |
| 1265 | }) |
| 1266 | |
| 1267 | it('Verify unknown strategy throw error', () => { |
| 1268 | expect( |
| 1269 | () => |
| 1270 | new DynamicThreadPool( |
| 1271 | min, |
| 1272 | max, |
| 1273 | './tests/worker-files/thread/testWorker.js', |
| 1274 | { workerChoiceStrategy: 'UNKNOWN_STRATEGY' } |
| 1275 | ) |
| 1276 | ).toThrowError("Invalid worker choice strategy 'UNKNOWN_STRATEGY'") |
| 1277 | }) |
| 1278 | }) |