text: import { transKey } from './transKey'
  
  describe('test transkey.js', () => {
    it('should trans all key', () => {
      const obj = { 子: '老鼠', 丑: '老牛', 寅: '老虎' }
      const map = { 1: '子', 2: '丑', 3: '寅' }
      expect(transKey(obj, map)).toStrictEqual({
        1: '老鼠',
        2: '老牛',
        3: '老虎',
      })
    })
  })
  