kermit-klein

class Application < Rails::Application  
  # [...] other code...
  if Rails.env.test?
      config.middleware.insert_before 0, Rack::Cors do
        allow do
          origins '*'
          resource '*', headers: :any, methods: %i[post]
        end
      end
   end

kermit-klein

describe("User can", () => {
  beforeEach(() => {
    cy.deleteAndSeedDatabase();
  });

  afterEach(() => {
    cy.deleteDatabase();
  });

  it("visits home page and see list of places", () => {

kermit-klein

@albums =  Album
           .includes(:user)
           .order("created_at DESC")
           .where(category:"rock")
           .where("minutes_length>55")

kermit-klein

#app/models/album.rb

class Album < ApplicationRecord
# [...] other code
  scope :rock , -> { where(category:"rock")}
end

kermit-klein

#app/models/album.rb

class Album < ApplicationRecord
# [...] other code
  def self.rock
      where(category:"rock")
  end
end

kermit-klein

#app/models/album.rb

class Album < ApplicationRecord
# [...] other code
  scope :rock , -> { where(category:"rock")}
  scope :long , -> {where("song_count">11)}
end

kermit-klein

#app/models/album.rb

class Album < ApplicationRecord
# [...] other code
  scope :genre , -> (category) { where(category:category) }
end

kermit-klein

#app/controllers/albums_controller.rb

class AlbumsController < ActionController::Base
  def index 
     @albums = Album.genre(params[:category])
  end
end

kermit-klein

class Article < ActiveRecord::Base
  default_scope { where(published: true) }
end

Article.all # => SELECT * FROM articles WHERE published = true

kermit-klein

RSpec.describe Album, type: :model do
  let!(:album1) { create(:album, category: 'rock') }
  let!(:album2) { create(:album, category: 'rock') }
  let!(:album3) { create(:album, category: 'pop') }
  let!(:album4) { create(:album, category: 'jazz') }

  describe '.genre' do
    it 'includes albums with category specified' do
      expect(Album.genre('rock')).to include(album1, album2)
    end