rspec code snippet

controller_spec.rb

# test get / 

it 'get index' do
  expect(get: "/").to route_to(controller: "links",
                               action: "index")
end

 it 'get the about page' do
    get :about
    p response
    expect(response).to render_template("about")
  end


# devise login and use login user

  let(:user) do
    create(:user)
  end
  let(:login)  do
    @request.env["devise.mapping"] = Devise.mappings[:user]
    sign_in user
  end

  it 'locates the requested @link' do
    login
    get :edit, id: link
    expect(assigns(:link)).to eq link
    expect(assigns(:link).user_id).to eq user.id
  end

users.rb

FactoryGirl.define do
  factory :user do
    email {FFaker::Internet.email}
    password '123456'
    password_confirmation '123456'
  end
end

it 'request upvote the link' do
login
request.env["HTTP_REFERER"] = "where_i_came_from"
patch :upvote, id: link
expect(assigns(:link).get_upvotes[0].vote_weight).to eq 1
expect(assigns(:link).get_upvotes[0].voter_id).to eq user.id

  end