@sdc-monitor/demo/packages/utils/__tests__/helper.spec.ts

<div align="center"> <a href="#" target="_blank"> <img src="https://i.loli.net/2021/07/28/EvPwd4NjVH3tBfO.jpg" alt="mito-logo" height="90"> </a> <p>A Lightweight SDK For Monitor Web</p>

import { globalVar, ToStringTypes } from '@sdc-monitor/shared'
import {
  defaultFunctionName,
  generateUUID,
  getBigVersion,
  getFunctionName,
  getLocationHref,
  getTimestamp,
  on,
  replaceOld,
  throttle,
  toStringValidateOption,
  unknownToString,
  silentConsoleScope,
  setUrlQuery,
  interceptStr,
  firstStrtoLowerCase,
  safeStringify,
  getObjectWithForIn
} from '../src/index'

describe('helper.ts', () => {
  it('should getLocationHref func work', () => {
    expect(getLocationHref()).toBe('http://localhost/')
  })
  it('should on func work', () => {
    const div = document.createElement('div')
    let flag = false
    on(div, 'click', () => {
      flag = true
    })
    div.click()
    expect(flag).toBeTruthy()
  })

  it('should replaceOld func work', () => {
    const obj = {
      fn: function (num: number) {
        return 1 + num
      }
    }
    const params = 6
    // before
    expect(obj.fn(params)).toBe(7)
    replaceOld(obj, 'fn', (originFn) => {
      return function (num: number) {
        expect(num).toBe(params)
        return originFn(num)
      }
    })
    obj.fn(params)
    // after
    expect(obj.fn(params)).toBe(7)
  })

  it('should getFunctionName func work', () => {
    function test1() {}
    expect(getFunctionName(test1)).toBe('test1')
    expect(getFunctionName({})).toBe(defaultFunctionName)
    expect(getFunctionName(null)).toBe(defaultFunctionName)
  })

  it('should throttle func work', (done) => {
    let count = 0
    function add() {
      count++
    }
    const throttledAdd = throttle(add, 400)
    throttledAdd()
    throttledAdd()
    throttledAdd()
    setTimeout(() => {
      throttledAdd()
      throttledAdd()
      expect(count).toBe(2)
      done()
    }, 1000)
  })

  it('should getTimestamp func work', () => {
    expect(typeof getTimestamp() === 'number').toBeTruthy()
  })

  it('should toStringValidateOption func work', () => {
    expect(toStringValidateOption({}, 'key1', ToStringTypes.Object)).toBeTruthy()
    expect(toStringValidateOption(1, 'key2', ToStringTypes.Number)).toBeTruthy()
    expect(toStringValidateOption({}, 'key3', ToStringTypes.Array)).toBeFalsy()
  })

  it('should silentConsoleScope func work', () => {
    expect(globalVar.isLogAddBreadcrumb).toBeTruthy()
    function validate() {
      expect(globalVar.isLogAddBreadcrumb).toBeFalsy()
    }
    silentConsoleScope(validate)
  })

  it('should generateUUID func work', () => {
    const uuiid1 = generateUUID()
    const uuiid2 = generateUUID()
    expect(uuiid1).not.toBe(uuiid2)
  })

  it('should unknownToString func work', () => {
    const test1 = 'abc'
    const test2 = { data: 'test' }
    const test3 = [1, 2, 3]
    expect(unknownToString(test1)).toBe(test1)
    expect(unknownToString(test2)).toBe(JSON.stringify(test2))
    expect(unknownToString(test3)).toBe(JSON.stringify(test3))
    expect(unknownToString(undefined)).toBe('undefined')
    expect(unknownToString(null)).toBe('null')
  })

  it('should getBigVersion func work', () => {
    expect(getBigVersion('0.6.1')).toBe(0)
    expect(getBigVersion('2.6.1')).toBe(2)
    expect(getBigVersion('3.0.4')).toBe(3)
  })

  it('should setUrlQuery func work', () => {
    const mockUrl = 'http://test.com'
    const queryObj = {
      a: 1,
      b: 2
    }
    expect(setUrlQuery(mockUrl, queryObj)).toBe(`${mockUrl}?a=${queryObj.a}&b=${queryObj.b}`)
    const mockUrlWithQuery = 'http://test.com?param=0'
    expect(setUrlQuery(mockUrlWithQuery, queryObj)).toBe(`${mockUrlWithQuery}&a=${queryObj.a}&b=${queryObj.b}`)
  })

  it('should interceptStr func work', () => {
    const interceptLength = 3
    expect(interceptStr({} as unknown as string, 10)).toBe('')
    expect(interceptStr('abcdefg', interceptLength)).toBe(`abc;slice the first ${interceptLength} characters`)
    expect(interceptStr('abcdefg', 10)).toBe('abcdefg')
  })

  it('should firstStrtoLowerCase func work', () => {
    expect(firstStrtoLowerCase('CJINHUO')).toBe('cJINHUO')
  })

  it('should safeStringify func work', () => {
    const obj1 = {
      a: {}
    }
    const obj2 = {
      b: obj1
    }
    obj1.a = obj2
    expect(safeStringify(obj1)).toBe('{"a":{"b":"Circular"}}')
    const normalObj = { test: { data: 1 } }
    expect(safeStringify(normalObj)).toBe('{"test":{"data":1}}')
  })

  it('should getObjectWithForIn func work', () => {
    expect(getObjectWithForIn('1' as unknown as object)).toBe('1')
    // const
    const target = {}
    const p = new Proxy(target, {})
    const result = {
      a: 1,
      b: 2
    }
    p['a'] = result.a
    p['b'] = result.b
    expect(getObjectWithForIn(p)).toEqual(result)
  })
})