test

test_spec.rb

require 'rails_helper'

RSpec.describe RestaurantsController, type: :controller do
  let!(:restaurant){Restaurant.create(name:"TestRestaurant")}

  context "GET index" do
    it "should return all restaurants" do
      get :index
      expect(assigns(:restaurants)).to include restaurant
    end
  end

  context "GET show" do
    visit('/restaurants/show')
    
    it "should return the restaurant" do
      get :show, id: restaurant.id
      expect(assigns(:restaurant)).to eq restaurant
    end
  end
  
  context "GET new" do
    visit('/restaurants/new')

    it "should be an instance of restaurant" do
      get :new
      expect(assigns(:restaurant)).to be_an_instance_of Restaurant
    end

    it "should not be persisted" do
      get :new
      expect(assigns(:restaurant).persisted?).to be_false
    end
  end

  context "POST create" do
    visit('/restaurants/new')

    it "should save" do
      post :create, name: 'Foo'
      expect(assigns(:restaurant).persisted?).to be_true
    end

    it "should create with name" do
      post :create, name: 'Foo'
      expect(assigns(:restaurant).name).to eq 'Foo'
    end

    it "should redirect to index on success" do
    end

    it "should render the new template on failure" do
    end
  end

  context "GET edit" do
    visit('/restaurants/edit')
  end

  context "PUT update" do
    visit('/restaurants/edit')
  end

  context "DELETE destroy" do
    before :each do
      expect(Restaurant.count).to eq 1
      delete :destroy, id: restaurant.id
    end

    it "should delete that record" do
      expect(Restaurant.count).to eq 0
    end

    it "should not be persisted" do
      expect(assigns(:restaurant).persisted?).to be_false 
    end
  end

  
end