Macro template example

line_items_controller_spec.rb

require 'spec_helper'

describe LineItemsController do

  mock :order  
  mock :customer

  # GET /orders/11/line_items
  get :index, :order_id => 11 do
    default :stub => :off    
    before(:each) { LineItem.stub(:find_all_by_order_id).and_return([mock_line_item]) }
  end

  # GET /customers/22/line_items/new
  get :new, :customer_id => 22

  # GET /orders/11/line_items/new
  get :new, :order_id => 11
  
  macro_template :create do
    default :stub => :off, :redirect => :off
  
    before(:each) { LineItem.stub(:new).and_return(mock_line_item(:order_id => 11)) }

    with_valid_params do
      it { should redirect_to(order_line_items_url(:order_id => 11)) }
    end
    
    it "associates the line item with the order" do
      mock_line_item.should_receive("order=".to_sym).with(mock_order)
      subject
    end
  end

  # POST /customers/22/line_items
  post :create, :customer_id => 22 do
    description("under customer's path")
    before(:each) { Order.stub(:new).with(:customer_id => 22).and_return(mock_order(:id => 11)) }
  end

  # POST /orders/11/line_items
  post :create, :order_id => 11 do  
    description("under order's path")
    before(:each) {  Order.stub(:find).with(11).and_return(mock_order(:id =>11)) }
  end   

  # GET /orders/11/line_items/6
  get :edit, :order_id => 11, :id => 6 

  # PUT /orders/11/line_items/6
  put :update, :order_id => 11, :id => 6 do
    default :stub => :off, :redirect => :off
    
    before(:each) { LineItem.stub(:find).with(6).and_return(mock_line_item(:order_id => 11)) }
    
    with_valid_params do
      it { should redirect_to(order_line_items_url(:order_id => 11)) }
    end    
  end  

  # DELETE /orders/11/line_items/6
  delete :destroy, :order_id => 11, :id => 6 do
    default :stub => :off, :redirect => :off
    
    before(:each) { LineItem.stub(:find).with(6).and_return(mock_line_item(:order_id => 11)) }
    
    it { should redirect_to(order_line_items_url(:order_id => 11)) }
  end
  
  context "helpers" do
    describe ".current_customer" do
    
      let(:customer) { mock_customer(:id => 22) }
      let(:order) { mock_order(:customer => customer) }
    
      context "under customer's path" do
        it "returns the current customer based on customer_id param" do
          controller.stub!(:params => {:customer_id => 22})
          Customer.stub(:find).with(22).and_return(customer)
          controller.current_customer.should == customer  
        end
      end        

      context "under order's path" do
        it "returns the current customer based on customer_id param" do
          controller.stub!(:params => {:order_id => 11})
          Order.stub(:find).with(11).and_return(order)
          controller.current_customer.should == customer
        end
      end        
    end
  end  
end