const { expect } = require('expect')
const { DynamicClusterPool, PoolEvents } = require('../../../lib')
-const { WorkerFunctions } = require('../../test-types')
+const { TaskFunctions } = require('../../test-types')
const { sleep, waitWorkerEvents } = require('../../test-utils')
describe('Dynamic cluster pool test suite', () => {
it('Verify that the function is executed in a worker cluster', async () => {
let result = await pool.execute({
- function: WorkerFunctions.fibonacci
+ function: TaskFunctions.fibonacci
})
expect(result).toBe(75025)
result = await pool.execute({
- function: WorkerFunctions.factorial
+ function: TaskFunctions.factorial
})
expect(result).toBe(9.33262154439441e157)
})
}
expect(pool.workerNodes.length).toBeLessThanOrEqual(max)
expect(pool.workerNodes.length).toBeGreaterThan(min)
- // The `busy` event is triggered when the number of submitted tasks at once reach the max number of workers in the dynamic pool.
- // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool.
- expect(poolBusy).toBe(max + 1)
+ expect(poolBusy).toBe(1)
const numberOfExitEvents = await waitWorkerEvents(pool, 'exit', max - min)
expect(numberOfExitEvents).toBe(max - min)
})
it('Shutdown test', async () => {
const exitPromise = waitWorkerEvents(pool, 'exit', min)
+ expect(pool.emitter.eventNames()).toStrictEqual([PoolEvents.busy])
+ let poolDestroy = 0
+ pool.emitter.on(PoolEvents.destroy, () => ++poolDestroy)
+ expect(pool.emitter.eventNames()).toStrictEqual([
+ PoolEvents.busy,
+ PoolEvents.destroy
+ ])
await pool.destroy()
const numberOfExitEvents = await exitPromise
+ expect(pool.started).toBe(false)
+ expect(pool.workerNodes.length).toBe(0)
expect(numberOfExitEvents).toBe(min)
+ expect(poolDestroy).toBe(1)
})
it('Validation of inputs test', () => {
})
it('Should work even without opts in input', async () => {
- const pool1 = new DynamicClusterPool(
+ const pool = new DynamicClusterPool(
min,
max,
'./tests/worker-files/cluster/testWorker.js'
)
- const result = await pool1.execute()
- expect(result).toBe(false)
+ const result = await pool.execute()
+ expect(result).toStrictEqual({ ok: 1 })
// We need to clean up the resources after our test
- await pool1.destroy()
+ await pool.destroy()
})
it('Verify scale processes up and down is working when long executing task is used:hard', async () => {
'./tests/worker-files/cluster/longRunningWorkerHardBehavior.js',
{
errorHandler: e => console.error(e),
- onlineHandler: () => console.log('long executing worker is online'),
- exitHandler: () => console.log('long executing worker exited')
+ onlineHandler: () => console.info('long executing worker is online'),
+ exitHandler: () => console.info('long executing worker exited')
}
)
expect(longRunningPool.workerNodes.length).toBe(min)
expect(
longRunningPool.workerChoiceStrategyContext.workerChoiceStrategies.get(
longRunningPool.workerChoiceStrategyContext.workerChoiceStrategy
- ).nextWorkerNodeId
+ ).nextWorkerNodeKey
).toBeLessThan(longRunningPool.workerNodes.length)
// We need to clean up the resources after our test
await longRunningPool.destroy()
'./tests/worker-files/cluster/longRunningWorkerSoftBehavior.js',
{
errorHandler: e => console.error(e),
- onlineHandler: () => console.log('long executing worker is online'),
- exitHandler: () => console.log('long executing worker exited')
+ onlineHandler: () => console.info('long executing worker is online'),
+ exitHandler: () => console.info('long executing worker exited')
}
)
expect(longRunningPool.workerNodes.length).toBe(min)