json-rules-engine/test/performance.test.js at master · CacheControl/json-rules-engine · GitHub

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'use strict'

import engineFactory from '../src/index'

import perfy from 'perfy'

import deepClone from 'clone'

describe('Performance', () => {

const baseConditions = {

any: [{

fact: 'age',

operator: 'lessThan',

value: 50

{

fact: 'segment',

operator: 'equal',

value: 'european'

}]

}

const event = {

type: 'ageTrigger',

params: {

demographic: 'under50'

}

* Generates an array of integers of length 'num'

function range (num) {

return Array.from(Array(num).keys())

}

function setup (conditions) {

const engine = engineFactory()

const config = deepClone({ conditions, event })

range(1000).forEach(() => {

const rule = factories.rule(config)

engine.addRule(rule)

})

engine.addFact('segment', 'european', { cache: true })

engine.addFact('age', 15, { cache: true })

return engine

}

it('performs "any" quickly', async () => {

const engine = setup(baseConditions)

perfy.start('any')

await engine.run()

const result = perfy.end('any')

expect(result.time).to.be.greaterThan(0.001)

expect(result.time).to.be.lessThan(0.5)

})

it('performs "all" quickly', async () => {

const conditions = deepClone(baseConditions)

conditions.all = conditions.any

delete conditions.any

const engine = setup(conditions)

perfy.start('all')

await engine.run()

const result = perfy.end('all')

expect(result.time).to.be.greaterThan(0.001) // assert lower value

expect(result.time).to.be.lessThan(0.5)

})

json-rules-engine/test/performance.test.js at master · CacheControl/json-rules-engine · GitHub

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