logging_in_spec.rb

require 'spec_helper'

feature 'logging in' do
  let(:user) { create :user }

  scenario 'with correct credentials' do
    visit login_path
    fill_in 'session_email', with: user.email
    fill_in 'session_password', with: user.password
    click_button 'Log In'
    within '.user-details' do
      expect(page).to have_content user.email
    end
  end
end