entendiendo-snapshots-reducer-snap.test.js

import reduce from './reducer'

describe ('REDUCER', () => {
  it ('should set the right state on "DO_REQUEST"', () => {
    const newState = reducer(undefined, {type: 'DO_REQUEST'})
    // The `toMatchSnapshot` matcher does not receive any parameters
    // In the next section we will see why
    expect (newState).toMatchSnapshot()
  })
})