describe('Fixed cluster pool test suite', () => {
const numberOfWorkers = 6
+ const tasksConcurrency = 2
const pool = new FixedClusterPool(
numberOfWorkers,
'./tests/worker-files/cluster/testWorker.js',
{
enableTasksQueue: true,
tasksQueueOptions: {
- concurrency: 2
+ concurrency: tasksConcurrency
},
errorHandler: e => console.error(e)
}
expect(poolReady).toBe(1)
})
- it("Verify that 'busy' event is emitted", async () => {
+ it("Verify that 'busy' event is emitted", () => {
let poolBusy = 0
pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
for (let i = 0; i < numberOfWorkers * 2; i++) {
it('Verify that tasks queuing is working', async () => {
const promises = new Set()
- const maxMultiplier = 2
+ const maxMultiplier = 3 // Must be greater than tasksConcurrency
for (let i = 0; i < numberOfWorkers * maxMultiplier; i++) {
promises.add(queuePool.execute())
}
queuePool.opts.tasksQueueOptions.concurrency
)
expect(workerNode.usage.tasks.executed).toBe(0)
- expect(workerNode.usage.tasks.queued).toBeGreaterThan(0)
- expect(workerNode.usage.tasks.maxQueued).toBeGreaterThan(0)
+ expect(workerNode.usage.tasks.queued).toBe(
+ maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
+ )
+ expect(workerNode.usage.tasks.maxQueued).toBe(
+ maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
+ )
}
- expect(queuePool.info.executingTasks).toBe(numberOfWorkers)
+ expect(queuePool.info.executingTasks).toBe(
+ numberOfWorkers * queuePool.opts.tasksQueueOptions.concurrency
+ )
expect(queuePool.info.queuedTasks).toBe(
- numberOfWorkers * maxMultiplier - numberOfWorkers
+ numberOfWorkers *
+ (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
)
expect(queuePool.info.maxQueuedTasks).toBe(
- numberOfWorkers * maxMultiplier - numberOfWorkers
+ numberOfWorkers *
+ (maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
)
await Promise.all(promises)
for (const workerNode of queuePool.workerNodes) {
expect(workerNode.usage.tasks.executing).toBe(0)
- expect(workerNode.usage.tasks.executed).toBeGreaterThan(0)
- expect(workerNode.usage.tasks.executed).toBeLessThanOrEqual(maxMultiplier)
+ expect(workerNode.usage.tasks.executed).toBe(maxMultiplier)
expect(workerNode.usage.tasks.queued).toBe(0)
- expect(workerNode.usage.tasks.maxQueued).toBe(1)
+ expect(workerNode.usage.tasks.maxQueued).toBe(
+ maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
+ )
}
})
expect(typeof inError === 'string').toBe(true)
expect(inError).toBe('Error Message from ClusterWorker')
expect(taskError).toStrictEqual({
+ name: 'default',
message: 'Error Message from ClusterWorker',
data
})
expect(typeof inError === 'string').toBe(true)
expect(inError).toBe('Error Message from ClusterWorker:async')
expect(taskError).toStrictEqual({
+ name: 'default',
message: 'Error Message from ClusterWorker:async',
data
})