| 1 | const { expect } = require('expect') |
| 2 | const { |
| 3 | WorkerChoiceStrategies, |
| 4 | DynamicThreadPool, |
| 5 | FixedThreadPool, |
| 6 | FixedClusterPool |
| 7 | } = require('../../../lib/index') |
| 8 | |
| 9 | describe('Selection strategies test suite', () => { |
| 10 | const min = 0 |
| 11 | const max = 3 |
| 12 | |
| 13 | it('Verify that WorkerChoiceStrategies enumeration provides string values', () => { |
| 14 | expect(WorkerChoiceStrategies.ROUND_ROBIN).toBe('ROUND_ROBIN') |
| 15 | expect(WorkerChoiceStrategies.LESS_USED).toBe('LESS_USED') |
| 16 | expect(WorkerChoiceStrategies.LESS_BUSY).toBe('LESS_BUSY') |
| 17 | expect(WorkerChoiceStrategies.FAIR_SHARE).toBe('FAIR_SHARE') |
| 18 | expect(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN).toBe( |
| 19 | 'WEIGHTED_ROUND_ROBIN' |
| 20 | ) |
| 21 | }) |
| 22 | |
| 23 | it('Verify ROUND_ROBIN strategy is the default at pool creation', async () => { |
| 24 | const pool = new DynamicThreadPool( |
| 25 | min, |
| 26 | max, |
| 27 | './tests/worker-files/thread/testWorker.js' |
| 28 | ) |
| 29 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 30 | WorkerChoiceStrategies.ROUND_ROBIN |
| 31 | ) |
| 32 | // We need to clean up the resources after our test |
| 33 | await pool.destroy() |
| 34 | }) |
| 35 | |
| 36 | it('Verify ROUND_ROBIN strategy is taken at pool creation', async () => { |
| 37 | const pool = new FixedThreadPool( |
| 38 | max, |
| 39 | './tests/worker-files/thread/testWorker.js', |
| 40 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 41 | ) |
| 42 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 43 | WorkerChoiceStrategies.ROUND_ROBIN |
| 44 | ) |
| 45 | expect( |
| 46 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 47 | WorkerChoiceStrategies.ROUND_ROBIN |
| 48 | ).nextWorkerId |
| 49 | ).toBe(0) |
| 50 | // We need to clean up the resources after our test |
| 51 | await pool.destroy() |
| 52 | }) |
| 53 | |
| 54 | it('Verify ROUND_ROBIN strategy can be set after pool creation', async () => { |
| 55 | const pool = new DynamicThreadPool( |
| 56 | min, |
| 57 | max, |
| 58 | './tests/worker-files/thread/testWorker.js' |
| 59 | ) |
| 60 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) |
| 61 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 62 | WorkerChoiceStrategies.ROUND_ROBIN |
| 63 | ) |
| 64 | // We need to clean up the resources after our test |
| 65 | await pool.destroy() |
| 66 | }) |
| 67 | |
| 68 | it('Verify ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { |
| 69 | let pool = new FixedThreadPool( |
| 70 | max, |
| 71 | './tests/worker-files/thread/testWorker.js' |
| 72 | ) |
| 73 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) |
| 74 | expect( |
| 75 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 76 | ).toBe(false) |
| 77 | expect( |
| 78 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 79 | ).toBe(false) |
| 80 | await pool.destroy() |
| 81 | pool = new DynamicThreadPool( |
| 82 | min, |
| 83 | max, |
| 84 | './tests/worker-files/thread/testWorker.js' |
| 85 | ) |
| 86 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) |
| 87 | expect( |
| 88 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 89 | ).toBe(false) |
| 90 | expect( |
| 91 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 92 | ).toBe(false) |
| 93 | // We need to clean up the resources after our test |
| 94 | await pool.destroy() |
| 95 | }) |
| 96 | |
| 97 | it('Verify ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 98 | const pool = new FixedThreadPool( |
| 99 | max, |
| 100 | './tests/worker-files/thread/testWorker.js', |
| 101 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 102 | ) |
| 103 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 104 | WorkerChoiceStrategies.ROUND_ROBIN |
| 105 | ) |
| 106 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 107 | const promises = [] |
| 108 | for (let i = 0; i < max * 2; i++) { |
| 109 | promises.push(pool.execute()) |
| 110 | } |
| 111 | await Promise.all(promises) |
| 112 | // We need to clean up the resources after our test |
| 113 | await pool.destroy() |
| 114 | }) |
| 115 | |
| 116 | it('Verify ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 117 | const pool = new DynamicThreadPool( |
| 118 | min, |
| 119 | max, |
| 120 | './tests/worker-files/thread/testWorker.js', |
| 121 | { workerChoiceStrategy: WorkerChoiceStrategies.ROUND_ROBIN } |
| 122 | ) |
| 123 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 124 | WorkerChoiceStrategies.ROUND_ROBIN |
| 125 | ) |
| 126 | // TODO: Create a better test to cover `RoundRobinWorkerChoiceStrategy#choose` |
| 127 | const promises = [] |
| 128 | for (let i = 0; i < max * 2; i++) { |
| 129 | promises.push(pool.execute()) |
| 130 | } |
| 131 | await Promise.all(promises) |
| 132 | // We need to clean up the resources after our test |
| 133 | await pool.destroy() |
| 134 | }) |
| 135 | |
| 136 | it('Verify ROUND_ROBIN strategy runtime behavior', async () => { |
| 137 | let pool = new FixedClusterPool( |
| 138 | max, |
| 139 | './tests/worker-files/cluster/testWorker.js' |
| 140 | ) |
| 141 | let results = new Set() |
| 142 | for (let i = 0; i < max; i++) { |
| 143 | results.add(pool.chooseWorker()[1].id) |
| 144 | } |
| 145 | expect(results.size).toBe(max) |
| 146 | await pool.destroy() |
| 147 | pool = new FixedThreadPool(max, './tests/worker-files/thread/testWorker.js') |
| 148 | results = new Set() |
| 149 | for (let i = 0; i < max; i++) { |
| 150 | results.add(pool.chooseWorker()[1].threadId) |
| 151 | } |
| 152 | expect(results.size).toBe(max) |
| 153 | await pool.destroy() |
| 154 | }) |
| 155 | |
| 156 | it('Verify ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 157 | let pool = new FixedThreadPool( |
| 158 | max, |
| 159 | './tests/worker-files/thread/testWorker.js', |
| 160 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 161 | ) |
| 162 | expect( |
| 163 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 164 | WorkerChoiceStrategies.ROUND_ROBIN |
| 165 | ).nextWorkerId |
| 166 | ).toBeDefined() |
| 167 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) |
| 168 | expect( |
| 169 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 170 | WorkerChoiceStrategies.ROUND_ROBIN |
| 171 | ).nextWorkerId |
| 172 | ).toBe(0) |
| 173 | await pool.destroy() |
| 174 | pool = new DynamicThreadPool( |
| 175 | min, |
| 176 | max, |
| 177 | './tests/worker-files/thread/testWorker.js', |
| 178 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 179 | ) |
| 180 | expect( |
| 181 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 182 | WorkerChoiceStrategies.ROUND_ROBIN |
| 183 | ).nextWorkerId |
| 184 | ).toBeDefined() |
| 185 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.ROUND_ROBIN) |
| 186 | expect( |
| 187 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 188 | WorkerChoiceStrategies.ROUND_ROBIN |
| 189 | ).nextWorkerId |
| 190 | ).toBe(0) |
| 191 | // We need to clean up the resources after our test |
| 192 | await pool.destroy() |
| 193 | }) |
| 194 | |
| 195 | it('Verify LESS_USED strategy is taken at pool creation', async () => { |
| 196 | const pool = new FixedThreadPool( |
| 197 | max, |
| 198 | './tests/worker-files/thread/testWorker.js', |
| 199 | { workerChoiceStrategy: WorkerChoiceStrategies.LESS_USED } |
| 200 | ) |
| 201 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 202 | WorkerChoiceStrategies.LESS_USED |
| 203 | ) |
| 204 | // We need to clean up the resources after our test |
| 205 | await pool.destroy() |
| 206 | }) |
| 207 | |
| 208 | it('Verify LESS_USED strategy can be set after pool creation', async () => { |
| 209 | const pool = new FixedThreadPool( |
| 210 | max, |
| 211 | './tests/worker-files/thread/testWorker.js' |
| 212 | ) |
| 213 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_USED) |
| 214 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 215 | WorkerChoiceStrategies.LESS_USED |
| 216 | ) |
| 217 | // We need to clean up the resources after our test |
| 218 | await pool.destroy() |
| 219 | }) |
| 220 | |
| 221 | it('Verify LESS_USED strategy default tasks usage statistics requirements', async () => { |
| 222 | let pool = new FixedThreadPool( |
| 223 | max, |
| 224 | './tests/worker-files/thread/testWorker.js' |
| 225 | ) |
| 226 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_USED) |
| 227 | expect( |
| 228 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 229 | ).toBe(false) |
| 230 | expect( |
| 231 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 232 | ).toBe(false) |
| 233 | await pool.destroy() |
| 234 | pool = new DynamicThreadPool( |
| 235 | min, |
| 236 | max, |
| 237 | './tests/worker-files/thread/testWorker.js' |
| 238 | ) |
| 239 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_USED) |
| 240 | expect( |
| 241 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 242 | ).toBe(false) |
| 243 | expect( |
| 244 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 245 | ).toBe(false) |
| 246 | // We need to clean up the resources after our test |
| 247 | await pool.destroy() |
| 248 | }) |
| 249 | |
| 250 | it('Verify LESS_USED strategy can be run in a fixed pool', async () => { |
| 251 | const pool = new FixedThreadPool( |
| 252 | max, |
| 253 | './tests/worker-files/thread/testWorker.js', |
| 254 | { workerChoiceStrategy: WorkerChoiceStrategies.LESS_USED } |
| 255 | ) |
| 256 | // TODO: Create a better test to cover `LessUsedWorkerChoiceStrategy#choose` |
| 257 | const promises = [] |
| 258 | for (let i = 0; i < max * 2; i++) { |
| 259 | promises.push(pool.execute()) |
| 260 | } |
| 261 | await Promise.all(promises) |
| 262 | // We need to clean up the resources after our test |
| 263 | await pool.destroy() |
| 264 | }) |
| 265 | |
| 266 | it('Verify LESS_USED strategy can be run in a dynamic pool', async () => { |
| 267 | const pool = new DynamicThreadPool( |
| 268 | min, |
| 269 | max, |
| 270 | './tests/worker-files/thread/testWorker.js', |
| 271 | { workerChoiceStrategy: WorkerChoiceStrategies.LESS_USED } |
| 272 | ) |
| 273 | // TODO: Create a better test to cover `LessUsedWorkerChoiceStrategy#choose` |
| 274 | const promises = [] |
| 275 | for (let i = 0; i < max * 2; i++) { |
| 276 | promises.push(pool.execute()) |
| 277 | } |
| 278 | await Promise.all(promises) |
| 279 | // We need to clean up the resources after our test |
| 280 | await pool.destroy() |
| 281 | }) |
| 282 | |
| 283 | it('Verify LESS_BUSY strategy is taken at pool creation', async () => { |
| 284 | const pool = new FixedThreadPool( |
| 285 | max, |
| 286 | './tests/worker-files/thread/testWorker.js', |
| 287 | { workerChoiceStrategy: WorkerChoiceStrategies.LESS_BUSY } |
| 288 | ) |
| 289 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 290 | WorkerChoiceStrategies.LESS_BUSY |
| 291 | ) |
| 292 | // We need to clean up the resources after our test |
| 293 | await pool.destroy() |
| 294 | }) |
| 295 | |
| 296 | it('Verify LESS_BUSY strategy can be set after pool creation', async () => { |
| 297 | const pool = new FixedThreadPool( |
| 298 | max, |
| 299 | './tests/worker-files/thread/testWorker.js' |
| 300 | ) |
| 301 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_BUSY) |
| 302 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 303 | WorkerChoiceStrategies.LESS_BUSY |
| 304 | ) |
| 305 | // We need to clean up the resources after our test |
| 306 | await pool.destroy() |
| 307 | }) |
| 308 | |
| 309 | it('Verify LESS_BUSY strategy default tasks usage statistics requirements', async () => { |
| 310 | let pool = new FixedThreadPool( |
| 311 | max, |
| 312 | './tests/worker-files/thread/testWorker.js' |
| 313 | ) |
| 314 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_BUSY) |
| 315 | expect( |
| 316 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 317 | ).toBe(true) |
| 318 | expect( |
| 319 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 320 | ).toBe(false) |
| 321 | await pool.destroy() |
| 322 | pool = new DynamicThreadPool( |
| 323 | min, |
| 324 | max, |
| 325 | './tests/worker-files/thread/testWorker.js' |
| 326 | ) |
| 327 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_BUSY) |
| 328 | expect( |
| 329 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 330 | ).toBe(true) |
| 331 | expect( |
| 332 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 333 | ).toBe(false) |
| 334 | // We need to clean up the resources after our test |
| 335 | await pool.destroy() |
| 336 | }) |
| 337 | |
| 338 | it('Verify LESS_BUSY strategy can be run in a fixed pool', async () => { |
| 339 | const pool = new FixedThreadPool( |
| 340 | max, |
| 341 | './tests/worker-files/thread/testWorker.js', |
| 342 | { workerChoiceStrategy: WorkerChoiceStrategies.LESS_BUSY } |
| 343 | ) |
| 344 | // TODO: Create a better test to cover `LessBusyWorkerChoiceStrategy#choose` |
| 345 | const promises = [] |
| 346 | for (let i = 0; i < max * 2; i++) { |
| 347 | promises.push(pool.execute()) |
| 348 | } |
| 349 | await Promise.all(promises) |
| 350 | // We need to clean up the resources after our test |
| 351 | await pool.destroy() |
| 352 | }) |
| 353 | |
| 354 | it('Verify LESS_BUSY strategy can be run in a dynamic pool', async () => { |
| 355 | const pool = new DynamicThreadPool( |
| 356 | min, |
| 357 | max, |
| 358 | './tests/worker-files/thread/testWorker.js', |
| 359 | { workerChoiceStrategy: WorkerChoiceStrategies.LESS_BUSY } |
| 360 | ) |
| 361 | // TODO: Create a better test to cover `LessBusyWorkerChoiceStrategy#choose` |
| 362 | const promises = [] |
| 363 | for (let i = 0; i < max * 2; i++) { |
| 364 | promises.push(pool.execute()) |
| 365 | } |
| 366 | await Promise.all(promises) |
| 367 | // We need to clean up the resources after our test |
| 368 | await pool.destroy() |
| 369 | }) |
| 370 | |
| 371 | it('Verify FAIR_SHARE strategy is taken at pool creation', async () => { |
| 372 | const pool = new FixedThreadPool( |
| 373 | max, |
| 374 | './tests/worker-files/thread/testWorker.js', |
| 375 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 376 | ) |
| 377 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 378 | WorkerChoiceStrategies.FAIR_SHARE |
| 379 | ) |
| 380 | for (const workerKey of pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 381 | .get(WorkerChoiceStrategies.FAIR_SHARE) |
| 382 | .workerLastVirtualTaskTimestamp.keys()) { |
| 383 | expect( |
| 384 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 385 | .get(WorkerChoiceStrategies.FAIR_SHARE) |
| 386 | .workerLastVirtualTaskTimestamp.get(workerKey).start |
| 387 | ).toBe(0) |
| 388 | expect( |
| 389 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 390 | .get(WorkerChoiceStrategies.FAIR_SHARE) |
| 391 | .workerLastVirtualTaskTimestamp.get(workerKey).end |
| 392 | ).toBe(0) |
| 393 | } |
| 394 | // We need to clean up the resources after our test |
| 395 | await pool.destroy() |
| 396 | }) |
| 397 | |
| 398 | it('Verify FAIR_SHARE strategy can be set after pool creation', async () => { |
| 399 | const pool = new FixedThreadPool( |
| 400 | max, |
| 401 | './tests/worker-files/thread/testWorker.js' |
| 402 | ) |
| 403 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) |
| 404 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 405 | WorkerChoiceStrategies.FAIR_SHARE |
| 406 | ) |
| 407 | // We need to clean up the resources after our test |
| 408 | await pool.destroy() |
| 409 | }) |
| 410 | |
| 411 | it('Verify FAIR_SHARE strategy default tasks usage statistics requirements', async () => { |
| 412 | let pool = new FixedThreadPool( |
| 413 | max, |
| 414 | './tests/worker-files/thread/testWorker.js' |
| 415 | ) |
| 416 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) |
| 417 | expect( |
| 418 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 419 | ).toBe(true) |
| 420 | expect( |
| 421 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 422 | ).toBe(true) |
| 423 | await pool.destroy() |
| 424 | pool = new DynamicThreadPool( |
| 425 | min, |
| 426 | max, |
| 427 | './tests/worker-files/thread/testWorker.js' |
| 428 | ) |
| 429 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) |
| 430 | expect( |
| 431 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 432 | ).toBe(true) |
| 433 | expect( |
| 434 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 435 | ).toBe(true) |
| 436 | // We need to clean up the resources after our test |
| 437 | await pool.destroy() |
| 438 | }) |
| 439 | |
| 440 | it('Verify FAIR_SHARE strategy can be run in a fixed pool', async () => { |
| 441 | const pool = new FixedThreadPool( |
| 442 | max, |
| 443 | './tests/worker-files/thread/testWorker.js', |
| 444 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 445 | ) |
| 446 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 447 | const promises = [] |
| 448 | for (let i = 0; i < max * 2; i++) { |
| 449 | promises.push(pool.execute()) |
| 450 | } |
| 451 | await Promise.all(promises) |
| 452 | expect( |
| 453 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 454 | WorkerChoiceStrategies.FAIR_SHARE |
| 455 | ).workerLastVirtualTaskTimestamp.size |
| 456 | ).toBe(pool.workers.length) |
| 457 | // We need to clean up the resources after our test |
| 458 | await pool.destroy() |
| 459 | }) |
| 460 | |
| 461 | it('Verify FAIR_SHARE strategy can be run in a dynamic pool', async () => { |
| 462 | const pool = new DynamicThreadPool( |
| 463 | min, |
| 464 | max, |
| 465 | './tests/worker-files/thread/testWorker.js', |
| 466 | { workerChoiceStrategy: WorkerChoiceStrategies.FAIR_SHARE } |
| 467 | ) |
| 468 | // TODO: Create a better test to cover `FairShareChoiceStrategy#choose` |
| 469 | const promises = [] |
| 470 | const maxMultiplier = 2 |
| 471 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 472 | promises.push(pool.execute()) |
| 473 | } |
| 474 | await Promise.all(promises) |
| 475 | // if (process.platform !== 'win32') { |
| 476 | // expect( |
| 477 | // pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 478 | // WorkerChoiceStrategies.FAIR_SHARE |
| 479 | // ).workerLastVirtualTaskTimestamp.size |
| 480 | // ).toBe(pool.workers.length) |
| 481 | // } |
| 482 | // We need to clean up the resources after our test |
| 483 | await pool.destroy() |
| 484 | }) |
| 485 | |
| 486 | it('Verify FAIR_SHARE strategy internals are resets after setting it', async () => { |
| 487 | let pool = new FixedThreadPool( |
| 488 | max, |
| 489 | './tests/worker-files/thread/testWorker.js' |
| 490 | ) |
| 491 | expect( |
| 492 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 493 | WorkerChoiceStrategies.FAIR_SHARE |
| 494 | ).workerLastVirtualTaskTimestamp |
| 495 | ).toBeDefined() |
| 496 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) |
| 497 | for (const workerKey of pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 498 | .get(WorkerChoiceStrategies.FAIR_SHARE) |
| 499 | .workerLastVirtualTaskTimestamp.keys()) { |
| 500 | expect( |
| 501 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 502 | .get(WorkerChoiceStrategies.FAIR_SHARE) |
| 503 | .workerLastVirtualTaskTimestamp.get(workerKey).start |
| 504 | ).toBe(0) |
| 505 | expect( |
| 506 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 507 | .get(WorkerChoiceStrategies.FAIR_SHARE) |
| 508 | .workerLastVirtualTaskTimestamp.get(workerKey).end |
| 509 | ).toBe(0) |
| 510 | } |
| 511 | await pool.destroy() |
| 512 | pool = new DynamicThreadPool( |
| 513 | min, |
| 514 | max, |
| 515 | './tests/worker-files/thread/testWorker.js' |
| 516 | ) |
| 517 | expect( |
| 518 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 519 | WorkerChoiceStrategies.FAIR_SHARE |
| 520 | ).workerLastVirtualTaskTimestamp |
| 521 | ).toBeDefined() |
| 522 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE) |
| 523 | for (const workerKey of pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 524 | .get(WorkerChoiceStrategies.FAIR_SHARE) |
| 525 | .workerLastVirtualTaskTimestamp.keys()) { |
| 526 | expect( |
| 527 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 528 | .get(WorkerChoiceStrategies.FAIR_SHARE) |
| 529 | .workerLastVirtualTaskTimestamp.get(workerKey).start |
| 530 | ).toBe(0) |
| 531 | expect( |
| 532 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 533 | .get(WorkerChoiceStrategies.FAIR_SHARE) |
| 534 | .workerLastVirtualTaskTimestamp.get(workerKey).end |
| 535 | ).toBe(0) |
| 536 | } |
| 537 | // We need to clean up the resources after our test |
| 538 | await pool.destroy() |
| 539 | }) |
| 540 | |
| 541 | it('Verify WEIGHTED_ROUND_ROBIN strategy is taken at pool creation', async () => { |
| 542 | const pool = new FixedThreadPool( |
| 543 | max, |
| 544 | './tests/worker-files/thread/testWorker.js', |
| 545 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 546 | ) |
| 547 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 548 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 549 | ) |
| 550 | expect( |
| 551 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 552 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 553 | ).currentWorkerId |
| 554 | ).toBe(0) |
| 555 | expect( |
| 556 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 557 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 558 | ).defaultWorkerWeight |
| 559 | ).toBeGreaterThan(0) |
| 560 | for (const workerKey of pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 561 | .get(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 562 | .workersTaskRunTime.keys()) { |
| 563 | expect( |
| 564 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 565 | .get(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 566 | .workersTaskRunTime.get(workerKey).weight |
| 567 | ).toBeGreaterThan(0) |
| 568 | expect( |
| 569 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 570 | .get(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 571 | .workersTaskRunTime.get(workerKey).runTime |
| 572 | ).toBe(0) |
| 573 | } |
| 574 | // We need to clean up the resources after our test |
| 575 | await pool.destroy() |
| 576 | }) |
| 577 | |
| 578 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be set after pool creation', async () => { |
| 579 | const pool = new FixedThreadPool( |
| 580 | max, |
| 581 | './tests/worker-files/thread/testWorker.js' |
| 582 | ) |
| 583 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 584 | expect(pool.opts.workerChoiceStrategy).toBe( |
| 585 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 586 | ) |
| 587 | // We need to clean up the resources after our test |
| 588 | await pool.destroy() |
| 589 | }) |
| 590 | |
| 591 | it('Verify WEIGHTED_ROUND_ROBIN strategy default tasks usage statistics requirements', async () => { |
| 592 | let pool = new FixedThreadPool( |
| 593 | max, |
| 594 | './tests/worker-files/thread/testWorker.js' |
| 595 | ) |
| 596 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 597 | expect( |
| 598 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 599 | ).toBe(true) |
| 600 | expect( |
| 601 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 602 | ).toBe(true) |
| 603 | await pool.destroy() |
| 604 | pool = new DynamicThreadPool( |
| 605 | min, |
| 606 | max, |
| 607 | './tests/worker-files/thread/testWorker.js' |
| 608 | ) |
| 609 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 610 | expect( |
| 611 | pool.workerChoiceStrategyContext.getRequiredStatistics().runTime |
| 612 | ).toBe(true) |
| 613 | expect( |
| 614 | pool.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime |
| 615 | ).toBe(true) |
| 616 | // We need to clean up the resources after our test |
| 617 | await pool.destroy() |
| 618 | }) |
| 619 | |
| 620 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a fixed pool', async () => { |
| 621 | const pool = new FixedThreadPool( |
| 622 | max, |
| 623 | './tests/worker-files/thread/testWorker.js', |
| 624 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 625 | ) |
| 626 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 627 | const promises = [] |
| 628 | for (let i = 0; i < max * 2; i++) { |
| 629 | promises.push(pool.execute()) |
| 630 | } |
| 631 | await Promise.all(promises) |
| 632 | expect( |
| 633 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 634 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 635 | ).workersTaskRunTime.size |
| 636 | ).toBe(pool.workers.length) |
| 637 | // We need to clean up the resources after our test |
| 638 | await pool.destroy() |
| 639 | }) |
| 640 | |
| 641 | it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool', async () => { |
| 642 | const pool = new DynamicThreadPool( |
| 643 | min, |
| 644 | max, |
| 645 | './tests/worker-files/thread/testWorker.js', |
| 646 | { workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN } |
| 647 | ) |
| 648 | // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose` |
| 649 | const promises = [] |
| 650 | const maxMultiplier = |
| 651 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 652 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 653 | ).defaultWorkerWeight * 2 |
| 654 | for (let i = 0; i < max * maxMultiplier; i++) { |
| 655 | promises.push(pool.execute()) |
| 656 | } |
| 657 | await Promise.all(promises) |
| 658 | if (process.platform !== 'win32') { |
| 659 | expect( |
| 660 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 661 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 662 | ).workersTaskRunTime.size |
| 663 | ).toBe(pool.workers.length) |
| 664 | } |
| 665 | // We need to clean up the resources after our test |
| 666 | await pool.destroy() |
| 667 | }) |
| 668 | |
| 669 | it('Verify WEIGHTED_ROUND_ROBIN strategy internals are resets after setting it', async () => { |
| 670 | let pool = new FixedThreadPool( |
| 671 | max, |
| 672 | './tests/worker-files/thread/testWorker.js' |
| 673 | ) |
| 674 | expect( |
| 675 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 676 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 677 | ).currentWorkerId |
| 678 | ).toBeDefined() |
| 679 | expect( |
| 680 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 681 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 682 | ).defaultWorkerWeight |
| 683 | ).toBeDefined() |
| 684 | expect( |
| 685 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 686 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 687 | ).workersTaskRunTime |
| 688 | ).toBeDefined() |
| 689 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 690 | expect( |
| 691 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 692 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 693 | ).currentWorkerId |
| 694 | ).toBe(0) |
| 695 | expect( |
| 696 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 697 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 698 | ).defaultWorkerWeight |
| 699 | ).toBeGreaterThan(0) |
| 700 | for (const workerKey of pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 701 | .get(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 702 | .workersTaskRunTime.keys()) { |
| 703 | expect( |
| 704 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 705 | .get(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 706 | .workersTaskRunTime.get(workerKey).runTime |
| 707 | ).toBe(0) |
| 708 | } |
| 709 | await pool.destroy() |
| 710 | pool = new DynamicThreadPool( |
| 711 | min, |
| 712 | max, |
| 713 | './tests/worker-files/thread/testWorker.js' |
| 714 | ) |
| 715 | expect( |
| 716 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 717 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 718 | ).currentWorkerId |
| 719 | ).toBeDefined() |
| 720 | expect( |
| 721 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 722 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 723 | ).defaultWorkerWeight |
| 724 | ).toBeDefined() |
| 725 | expect( |
| 726 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 727 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 728 | ).workersTaskRunTime |
| 729 | ).toBeDefined() |
| 730 | pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 731 | expect( |
| 732 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 733 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 734 | ).currentWorkerId |
| 735 | ).toBe(0) |
| 736 | expect( |
| 737 | pool.workerChoiceStrategyContext.workerChoiceStrategies.get( |
| 738 | WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN |
| 739 | ).defaultWorkerWeight |
| 740 | ).toBeGreaterThan(0) |
| 741 | for (const workerKey of pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 742 | .get(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 743 | .workersTaskRunTime.keys()) { |
| 744 | expect( |
| 745 | pool.workerChoiceStrategyContext.workerChoiceStrategies |
| 746 | .get(WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN) |
| 747 | .workersTaskRunTime.get(workerKey).runTime |
| 748 | ).toBe(0) |
| 749 | } |
| 750 | // We need to clean up the resources after our test |
| 751 | await pool.destroy() |
| 752 | }) |
| 753 | |
| 754 | it('Verify unknown strategies throw error', () => { |
| 755 | expect( |
| 756 | () => |
| 757 | new DynamicThreadPool( |
| 758 | min, |
| 759 | max, |
| 760 | './tests/worker-files/thread/testWorker.js', |
| 761 | { workerChoiceStrategy: 'UNKNOWN_STRATEGY' } |
| 762 | ) |
| 763 | ).toThrowError( |
| 764 | new Error("Invalid worker choice strategy 'UNKNOWN_STRATEGY'") |
| 765 | ) |
| 766 | }) |
| 767 | }) |