import { expect } from 'expect'
+import { CircularBuffer } from '../../lib/circular-buffer.cjs'
+import { WorkerTypes } from '../../lib/index.cjs'
import {
- CircularArray,
- DEFAULT_CIRCULAR_ARRAY_SIZE
-} from '../../lib/circular-array.cjs'
-import {
- FixedClusterPool,
- FixedThreadPool,
- WorkerTypes
-} from '../../lib/index.cjs'
-import {
- buildWorkerChoiceStrategyOptions,
createWorker,
DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
getDefaultTasksQueueOptions,
- getWorkerChoiceStrategyRetries,
getWorkerId,
getWorkerType,
updateMeasurementStatistics
} from '../../lib/pools/utils.cjs'
+import { MeasurementHistorySize } from '../../lib/pools/worker.cjs'
describe('Pool utils test suite', () => {
it('Verify DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS values', () => {
concurrency: 1,
size: Math.pow(poolMaxSize, 2),
taskStealing: true,
- tasksStealingOnBackPressure: true,
+ tasksStealingOnBackPressure: false,
tasksFinishedTimeout: 2000
})
})
- it('Verify getWorkerChoiceStrategyRetries() behavior', async () => {
- const numberOfThreads = 4
- const pool = new FixedThreadPool(
- numberOfThreads,
- './tests/worker-files/thread/testWorker.mjs'
- )
- expect(getWorkerChoiceStrategyRetries(pool)).toBe(pool.info.maxSize * 2)
- const workerChoiceStrategyOptions = {
- runTime: { median: true },
- waitTime: { median: true },
- elu: { median: true },
- weights: {
- 0: 100,
- 1: 100
- }
- }
- expect(
- getWorkerChoiceStrategyRetries(pool, workerChoiceStrategyOptions)
- ).toBe(
- pool.info.maxSize +
- Object.keys(workerChoiceStrategyOptions.weights).length
- )
- await pool.destroy()
- })
-
- it('Verify buildWorkerChoiceStrategyOptions() behavior', async () => {
- const numberOfWorkers = 4
- const pool = new FixedClusterPool(
- numberOfWorkers,
- './tests/worker-files/cluster/testWorker.cjs'
- )
- expect(buildWorkerChoiceStrategyOptions(pool)).toStrictEqual({
- runTime: { median: false },
- waitTime: { median: false },
- elu: { median: false },
- weights: expect.objectContaining({
- 0: expect.any(Number),
- [pool.info.maxSize - 1]: expect.any(Number)
- })
- })
- const workerChoiceStrategyOptions = {
- runTime: { median: true },
- waitTime: { median: true },
- elu: { median: true },
- weights: {
- 0: 100,
- 1: 100
- }
- }
- expect(
- buildWorkerChoiceStrategyOptions(pool, workerChoiceStrategyOptions)
- ).toStrictEqual(workerChoiceStrategyOptions)
- await pool.destroy()
- })
-
it('Verify updateMeasurementStatistics() behavior', () => {
+ const circularBuffer = new CircularBuffer(MeasurementHistorySize)
const measurementStatistics = {
- history: new CircularArray()
+ history: circularBuffer
}
updateMeasurementStatistics(
measurementStatistics,
aggregate: 0.01,
maximum: 0.01,
minimum: 0.01,
- history: new CircularArray()
+ history: circularBuffer
})
updateMeasurementStatistics(
measurementStatistics,
aggregate: 0.03,
maximum: 0.02,
minimum: 0.01,
- history: new CircularArray()
+ history: circularBuffer
})
updateMeasurementStatistics(
measurementStatistics,
maximum: 0.02,
minimum: 0.001,
average: 0.001,
- history: new CircularArray(DEFAULT_CIRCULAR_ARRAY_SIZE, 0.001)
+ history: circularBuffer
})
updateMeasurementStatistics(
measurementStatistics,
maximum: 0.02,
minimum: 0.001,
average: 0.002,
- history: new CircularArray(DEFAULT_CIRCULAR_ARRAY_SIZE, 0.001, 0.003)
+ history: circularBuffer
})
updateMeasurementStatistics(
measurementStatistics,
maximum: 0.02,
minimum: 0.001,
median: 0.003,
- history: new CircularArray(
- DEFAULT_CIRCULAR_ARRAY_SIZE,
- 0.001,
- 0.003,
- 0.006
- )
+ history: circularBuffer
})
updateMeasurementStatistics(
measurementStatistics,
maximum: 0.02,
minimum: 0.001,
average: 0.005,
- history: new CircularArray(
- DEFAULT_CIRCULAR_ARRAY_SIZE,
- 0.001,
- 0.003,
- 0.006,
- 0.01
- )
+ history: circularBuffer
})
})