Javascript Mocking fetch with jest

mockingFetch.spec.js

jest.mock('node-fetch');
import fetch, {Response} from 'node-fetch';

  it('can mock fetch body', () => {
    fetch.mockImplementation(() => {
      return new Promise((resolve, reject)=> { resolve(
        {
          json: () => { return new Promise((resolve, reject) => resolve({ name: 'value' })) }
        }
      )})
    })

    const resultData = fetch('url').then((response) => {
      console.log(response)
      return response.json()
    }).then((data)=>{
      console.log(data)
      return data
    })

    expect(resultData).resolves.toEqual({ name: 'value' })
  })