User-Controller-RSpecs.rb

describe UsersController do

  describe 'GET index' do
    before do
      @user = FactoryGirl.create(:user)
    end
    
    it 'ok' do
      get :index
      expect(response).to have_http_status(:ok)
      expect(response).to render_template('index')
      expect(assigns(:users)).to eq([@user])
    end
  end

  describe 'GET show' do
    it 'ok' do
      get :show, id: @user.id
      expect(response).to have_http_status(:ok)
      expect(response).to render_template('show')
      expect(assigns(:user)).to eq(@user)
    end

    it 'when user doesn\'t exist' do
      get :show, id: 69_696
      expect(response).to have_http_status(:redirect)
    end
  end

  describe 'GET new' do
    it 'ok' do
      get :new
      expect(assigns(:user)).to be_a_new(User)
    end
  end

  describe 'GET edit' do
    it 'ok' do
      get :edit, id: @user.id
      expect(assigns(:user)).to eq(@user)
    end
  end

  describe 'POST create' do
    before do
      @attributes = { name: 'Giancarlos', last_name: 'Isasi', email: 'giancarlos@devacademy.la' }
    end

    context 'with valid params' do
      it 'creates a new user' do
        User.new
        expect { post :create, user: @attributes }.to change(User, :count).by(1)
      end

      it 'assigns a newly created user as @user' do
        post :create, user: @attributes
        expect(assigns(:user)).to be_a(User)
      end

      it 'redirects to the created user' do
        post :create, user: @attributes
        expect(response).to redirect_to(user_path(User.last))
      end
    end
  end

  describe 'PUT update' do
    before do
      @attributes = { name: 'update Giancarlos' }
    end

    context 'with valid params' do
      it 'assigns the user as @user' do
        put :update, id: @user.id, user: @attributes
        expect(assigns(:user).name).to eq @attributes[:name]
      end

      it 'redirects' do
        put :update, id: @user.id, user: @attributes
        expect(response).to redirect_to(user_path(@user))
      end
    end
  end
end