entendiendo-snapshots-reducer-complete.test.js

import reduce from './reducer'

// Use `describe` to group similar tests
describe ('REDUCER', () => {
  // The `it` blocks represent one test and although they can
  // have several expects it is recommended that you only have one
  // or that at least all the expects blocks are related, as in this case.
  it ('should set the right state on "DO_REQUEST"', () => {
    const newState = reducer(undefined, {type: 'DO_REQUEST'})
    expect (newState.error).toBe('')
    expect (newState.data).toEqual([])
    expect (newState.isLoading).toBe(true)
  })
})