tests/pools/utils.test.js

   1 const { expect } = require('expect')
   2 const {
   3   DEFAULT_CIRCULAR_ARRAY_SIZE,
   4   CircularArray
   5 } = require('../../lib/circular-array')
   6 const { updateMeasurementStatistics } = require('../../lib/pools/utils')
   7
   8 describe('Pool utils test suite', () => {
   9   it('Verify updateMeasurementStatistics() behavior', () => {
  10     const measurementStatistics = {
  11       history: new CircularArray()
  12     }
  13     updateMeasurementStatistics(
  14       measurementStatistics,
  15       { aggregate: true, average: false, median: false },
  16       0.01
  17     )
  18     expect(measurementStatistics).toStrictEqual({
  19       aggregate: 0.01,
  20       maximum: 0.01,
  21       minimum: 0.01,
  22       history: new CircularArray()
  23     })
  24     updateMeasurementStatistics(
  25       measurementStatistics,
  26       { aggregate: true, average: false, median: false },
  27       0.02
  28     )
  29     expect(measurementStatistics).toStrictEqual({
  30       aggregate: 0.03,
  31       maximum: 0.02,
  32       minimum: 0.01,
  33       history: new CircularArray()
  34     })
  35     updateMeasurementStatistics(
  36       measurementStatistics,
  37       { aggregate: true, average: true, median: false },
  38       0.001
  39     )
  40     expect(measurementStatistics).toStrictEqual({
  41       aggregate: 0.031,
  42       maximum: 0.02,
  43       minimum: 0.001,
  44       average: 0.001,
  45       history: new CircularArray(DEFAULT_CIRCULAR_ARRAY_SIZE, 0.001)
  46     })
  47     updateMeasurementStatistics(
  48       measurementStatistics,
  49       { aggregate: true, average: true, median: false },
  50       0.003
  51     )
  52     expect(measurementStatistics).toStrictEqual({
  53       aggregate: 0.034,
  54       maximum: 0.02,
  55       minimum: 0.001,
  56       average: 0.002,
  57       history: new CircularArray(DEFAULT_CIRCULAR_ARRAY_SIZE, 0.001, 0.003)
  58     })
  59     updateMeasurementStatistics(
  60       measurementStatistics,
  61       { aggregate: true, average: false, median: true },
  62       0.006
  63     )
  64     expect(measurementStatistics).toStrictEqual({
  65       aggregate: 0.04,
  66       maximum: 0.02,
  67       minimum: 0.001,
  68       median: 0.003,
  69       history: new CircularArray(
  70         DEFAULT_CIRCULAR_ARRAY_SIZE,
  71         0.001,
  72         0.003,
  73         0.006
  74       )
  75     })
  76     updateMeasurementStatistics(
  77       measurementStatistics,
  78       { aggregate: true, average: true, median: false },
  79       0.01
  80     )
  81     expect(measurementStatistics).toStrictEqual({
  82       aggregate: 0.05,
  83       maximum: 0.02,
  84       minimum: 0.001,
  85       average: 0.005,
  86       history: new CircularArray(
  87         DEFAULT_CIRCULAR_ARRAY_SIZE,
  88         0.001,
  89         0.003,
  90         0.006,
  91         0.01
  92       )
  93     })
  94   })
  95 })