+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage.avgRunTime).toBeDefined()
+ expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+ expect(workerNode.tasksUsage.medRunTime).toBeDefined()
+ expect(workerNode.tasksUsage.medRunTime).toBe(0)
+ }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).defaultWorkerWeight
+ ).toBeGreaterThan(0)
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).workerVirtualTaskRunTime
+ ).toBeGreaterThanOrEqual(0)
+ // We need to clean up the resources after our test
+ await pool.destroy()
+ })
+
+ it('Verify WEIGHTED_ROUND_ROBIN strategy can be run in a dynamic pool with median run time statistic', async () => {
+ const pool = new DynamicThreadPool(
+ min,
+ max,
+ './tests/worker-files/thread/testWorker.js',
+ {
+ workerChoiceStrategy: WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN,
+ workerChoiceStrategyOptions: {
+ medRunTime: true
+ }
+ }
+ )
+ // TODO: Create a better test to cover `WeightedRoundRobinWorkerChoiceStrategy#choose`
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ await pool.execute()
+ }
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage.avgRunTime).toBeDefined()
+ expect(workerNode.tasksUsage.avgRunTime).toBe(0)
+ expect(workerNode.tasksUsage.medRunTime).toBeDefined()
+ expect(workerNode.tasksUsage.medRunTime).toBeGreaterThanOrEqual(0)
+ }
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).defaultWorkerWeight
+ ).toBeGreaterThan(0)
+ expect(
+ pool.workerChoiceStrategyContext.workerChoiceStrategies.get(
+ pool.workerChoiceStrategyContext.workerChoiceStrategy
+ ).workerVirtualTaskRunTime
+ ).toBeGreaterThanOrEqual(0)