clientModel.rb

#index controller client
 
 def index
    #@clients = Client.where("user_id = ? AND name LIKE ?", current_user.id, "%#{params[:search]}%").order("name ASC")
    @clients = current_user.clients.search_by_name(params[:search])
 end


#Model Client
 def self.search_by_name(name)
    Client.where("name LIKE ?", name).order("name ASC")
 end

#Unit Test

  let(:current_user) { User.create!(:name => "Fulano", :email => "[email protected]",:password => "secret", :username => "edipofederle")}
  let!(:client) { Client.create!(:name => 'Cliente Nome', :email => "[email protected]", :cep=>"10100101", :i_estadual => "191991991",:cpf =>"0101010101", :address => "Rua sem nome", :birthdate => "12/12/1954", :razao_social => "teste", :city => "ibiaca", :state => "RS", :phone => "549494944", :user_id => current_user.id) }

  it 'should find the clients by name' do
     Client.search_by_name('Cliente Nome').should include(client)
  end