- pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.LESS_BUSY)
- expect(pool.opts.workerChoiceStrategy).toBe(
- WorkerChoiceStrategies.LESS_BUSY
+ // TODO: Create a better test to cover `LeastBusyWorkerChoiceStrategy#choose`
+ const promises = new Set()
+ const maxMultiplier = 2
+ for (let i = 0; i < max * maxMultiplier; i++) {
+ promises.add(pool.execute())
+ }
+ await Promise.all(promises)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toStrictEqual({
+ ran: expect.any(Number),
+ running: 0,
+ runTime: expect.any(Number),
+ runTimeHistory: expect.any(CircularArray),
+ avgRunTime: 0,
+ medRunTime: 0,
+ waitTime: 0,
+ waitTimeHistory: expect.any(CircularArray),
+ avgWaitTime: 0,
+ medWaitTime: 0,
+ error: 0
+ })
+ expect(workerNode.tasksUsage.ran).toBeGreaterThan(0)
+ expect(workerNode.tasksUsage.ran).toBeLessThanOrEqual(max * maxMultiplier)
+ expect(workerNode.tasksUsage.runTime).toBeGreaterThan(0)
+ }
+ // We need to clean up the resources after our test
+ await pool.destroy()
+ })
+
+ it('Verify LEAST_BUSY strategy can be run in a dynamic pool', async () => {
+ const pool = new DynamicThreadPool(
+ min,
+ max,
+ './tests/worker-files/thread/testWorker.js',
+ { workerChoiceStrategy: WorkerChoiceStrategies.LEAST_BUSY }