+ it('Verify that tasks queuing is working', async () => {
+ const promises = new Set()
+ const maxMultiplier = 2
+ for (let i = 0; i < numberOfThreads * maxMultiplier; i++) {
+ promises.add(queuePool.execute())
+ }
+ expect(promises.size).toBe(numberOfThreads * maxMultiplier)
+ for (const workerNode of queuePool.workerNodes) {
+ expect(workerNode.tasksUsage.running).toBeLessThanOrEqual(
+ queuePool.opts.tasksQueueOptions.concurrency
+ )
+ expect(workerNode.tasksUsage.run).toBe(0)
+ expect(workerNode.tasksQueue.size).toBeGreaterThan(0)
+ }
+ expect(queuePool.numberOfRunningTasks).toBe(numberOfThreads)
+ expect(queuePool.numberOfQueuedTasks).toBe(
+ numberOfThreads * maxMultiplier - numberOfThreads
+ )
+ await Promise.all(promises)
+ for (const workerNode of queuePool.workerNodes) {
+ expect(workerNode.tasksUsage.running).toBe(0)
+ expect(workerNode.tasksUsage.run).toBeGreaterThan(0)
+ expect(workerNode.tasksUsage.run).toBeLessThanOrEqual(maxMultiplier)
+ expect(workerNode.tasksQueue.size).toBe(0)
+ }
+ promises.clear()
+ })
+