PoolEvents,
WorkerChoiceStrategies
} = require('../../../lib/index')
+const { CircularArray } = require('../../../lib/circular-array')
describe('Abstract pool test suite', () => {
const numberOfWorkers = 1
const workerNotFoundInPoolError = new Error(
- 'Worker could not be found in the pool'
+ 'Worker could not be found in the pool worker nodes'
)
class StubPoolWithRemoveAllWorker extends FixedThreadPool {
removeAllWorker () {
)
expect(pool.opts.enableEvents).toBe(true)
expect(pool.emitter).toBeDefined()
+ expect(pool.opts.enableTasksQueue).toBe(false)
expect(pool.opts.workerChoiceStrategy).toBe(
WorkerChoiceStrategies.ROUND_ROBIN
)
+ expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+ medRunTime: false
+ })
expect(pool.opts.messageHandler).toBeUndefined()
expect(pool.opts.errorHandler).toBeUndefined()
expect(pool.opts.onlineHandler).toBeUndefined()
'./tests/worker-files/thread/testWorker.js',
{
workerChoiceStrategy: WorkerChoiceStrategies.LESS_USED,
+ workerChoiceStrategyOptions: { medRunTime: true },
enableEvents: false,
+ enableTasksQueue: true,
messageHandler: testHandler,
errorHandler: testHandler,
onlineHandler: testHandler,
)
expect(pool.opts.enableEvents).toBe(false)
expect(pool.emitter).toBeUndefined()
+ expect(pool.opts.enableTasksQueue).toBe(true)
expect(pool.opts.workerChoiceStrategy).toBe(
WorkerChoiceStrategies.LESS_USED
)
+ expect(pool.opts.workerChoiceStrategyOptions).toStrictEqual({
+ medRunTime: true
+ })
expect(pool.opts.messageHandler).toStrictEqual(testHandler)
expect(pool.opts.errorHandler).toStrictEqual(testHandler)
expect(pool.opts.onlineHandler).toStrictEqual(testHandler)
numberOfWorkers,
'./tests/worker-files/cluster/testWorker.js'
)
- for (const workerItem of pool.workers) {
- expect(workerItem.tasksUsage).toBeDefined()
- expect(workerItem.tasksUsage.run).toBe(0)
- expect(workerItem.tasksUsage.running).toBe(0)
- expect(workerItem.tasksUsage.runTime).toBe(0)
- expect(workerItem.tasksUsage.avgRunTime).toBe(0)
- expect(workerItem.tasksUsage.error).toBe(0)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toBeDefined()
+ expect(workerNode.tasksUsage.run).toBe(0)
+ expect(workerNode.tasksUsage.running).toBe(0)
+ expect(workerNode.tasksUsage.runTime).toBe(0)
+ expect(workerNode.tasksUsage.runTimeHistory).toBeInstanceOf(CircularArray)
+ expect(workerNode.tasksUsage.runTimeHistory.length).toBe(0)
+ expect(workerNode.tasksUsage.avgRunTime).toBe(0)
+ expect(workerNode.tasksUsage.medRunTime).toBe(0)
+ expect(workerNode.tasksUsage.error).toBe(0)
+ }
+ await pool.destroy()
+ })
+
+ it('Verify that worker pool tasks queue are initialized', async () => {
+ const pool = new FixedClusterPool(
+ numberOfWorkers,
+ './tests/worker-files/cluster/testWorker.js'
+ )
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksQueue).toBeDefined()
+ expect(workerNode.tasksQueue).toBeInstanceOf(Array)
+ expect(workerNode.tasksQueue.length).toBe(0)
}
await pool.destroy()
})
for (let i = 0; i < numberOfWorkers * 2; i++) {
promises.push(pool.execute())
}
- for (const workerItem of pool.workers) {
- expect(workerItem.tasksUsage).toBeDefined()
- expect(workerItem.tasksUsage.run).toBe(0)
- expect(workerItem.tasksUsage.running).toBe(numberOfWorkers * 2)
- expect(workerItem.tasksUsage.runTime).toBe(0)
- expect(workerItem.tasksUsage.avgRunTime).toBe(0)
- expect(workerItem.tasksUsage.error).toBe(0)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toBeDefined()
+ expect(workerNode.tasksUsage.run).toBe(0)
+ expect(workerNode.tasksUsage.running).toBe(numberOfWorkers * 2)
+ expect(workerNode.tasksUsage.runTime).toBe(0)
+ expect(workerNode.tasksUsage.runTimeHistory).toBeInstanceOf(CircularArray)
+ expect(workerNode.tasksUsage.runTimeHistory.length).toBe(0)
+ expect(workerNode.tasksUsage.avgRunTime).toBe(0)
+ expect(workerNode.tasksUsage.medRunTime).toBe(0)
+ expect(workerNode.tasksUsage.error).toBe(0)
}
await Promise.all(promises)
- for (const workerItem of pool.workers) {
- expect(workerItem.tasksUsage).toBeDefined()
- expect(workerItem.tasksUsage.run).toBe(numberOfWorkers * 2)
- expect(workerItem.tasksUsage.running).toBe(0)
- expect(workerItem.tasksUsage.runTime).toBeGreaterThanOrEqual(0)
- expect(workerItem.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
- expect(workerItem.tasksUsage.error).toBe(0)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toBeDefined()
+ expect(workerNode.tasksUsage.run).toBe(numberOfWorkers * 2)
+ expect(workerNode.tasksUsage.running).toBe(0)
+ expect(workerNode.tasksUsage.runTime).toBeGreaterThanOrEqual(0)
+ expect(workerNode.tasksUsage.runTimeHistory).toBeInstanceOf(CircularArray)
+ expect(workerNode.tasksUsage.runTimeHistory.length).toBe(0)
+ expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+ expect(workerNode.tasksUsage.medRunTime).toBe(0)
+ expect(workerNode.tasksUsage.error).toBe(0)
}
await pool.destroy()
})
promises.push(pool.execute())
}
await Promise.all(promises)
- for (const workerItem of pool.workers) {
- expect(workerItem.tasksUsage).toBeDefined()
- expect(workerItem.tasksUsage.run).toBe(numberOfWorkers * 2)
- expect(workerItem.tasksUsage.running).toBe(0)
- expect(workerItem.tasksUsage.runTime).toBeGreaterThanOrEqual(0)
- expect(workerItem.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
- expect(workerItem.tasksUsage.error).toBe(0)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toBeDefined()
+ expect(workerNode.tasksUsage.run).toBe(numberOfWorkers * 2)
+ expect(workerNode.tasksUsage.running).toBe(0)
+ expect(workerNode.tasksUsage.runTime).toBeGreaterThanOrEqual(0)
+ expect(workerNode.tasksUsage.runTimeHistory).toBeInstanceOf(CircularArray)
+ expect(workerNode.tasksUsage.runTimeHistory.length).toBe(0)
+ expect(workerNode.tasksUsage.avgRunTime).toBeGreaterThanOrEqual(0)
+ expect(workerNode.tasksUsage.medRunTime).toBe(0)
+ expect(workerNode.tasksUsage.error).toBe(0)
}
pool.setWorkerChoiceStrategy(WorkerChoiceStrategies.FAIR_SHARE)
- for (const workerItem of pool.workers) {
- expect(workerItem.tasksUsage).toBeDefined()
- expect(workerItem.tasksUsage.run).toBe(0)
- expect(workerItem.tasksUsage.running).toBe(0)
- expect(workerItem.tasksUsage.runTime).toBe(0)
- expect(workerItem.tasksUsage.avgRunTime).toBe(0)
- expect(workerItem.tasksUsage.error).toBe(0)
+ for (const workerNode of pool.workerNodes) {
+ expect(workerNode.tasksUsage).toBeDefined()
+ expect(workerNode.tasksUsage.run).toBe(0)
+ expect(workerNode.tasksUsage.running).toBe(0)
+ expect(workerNode.tasksUsage.runTime).toBe(0)
+ expect(workerNode.tasksUsage.runTimeHistory).toBeInstanceOf(CircularArray)
+ expect(workerNode.tasksUsage.runTimeHistory.length).toBe(0)
+ expect(workerNode.tasksUsage.avgRunTime).toBe(0)
+ expect(workerNode.tasksUsage.medRunTime).toBe(0)
+ expect(workerNode.tasksUsage.error).toBe(0)
}
await pool.destroy()
})