gistfile1.rb

require File.dirname(__FILE__) + '/../spec_helper'


# But uh oh, now all the tests look the same.  
# We've factored it to the point where the code is hiding
# what the real intention is.  Lets move the should_receive(:create_breadcrumb_list)
# stuff back into the it blocks so we can see the difference, and we
# should be done.

describe BreadcrumbsHelper do
  
  describe '#add_breadcrumb' do
 
   before(:each) do
     @name = 'Test Name'
     @url  = 'http://testurl.com'
   end

   def mock_breadcrumb
     mock = mock('Breadcrumb::Breadcrumb', :null_object => true)
     Breadcrumb::Breadcrumb.should_receive(:new).with(@name, @url).and_return(mock)
     return mock
   end

   describe ' when @_breadcrumb_list is nil' do
     include BreadcrumbsHelper

     before(:each) do
       @_breadcrumb_list = nil
       @_breadcrumb_list.should_receive(:<<).with(mock_breadcrumb)
     end

     it 'should call create_breadcrumb_list' do
       self.should_receive(:create_breadcrumb_list)
       add_breadcrumb(@name, @url)
     end

     it 'should add a Breadcrumb::Breadcrumb to the @_breadcrumb_list' do
       self.should_receive(:create_breadcrumb_list)
       add_breadcrumb(@name, @url)
     end    
   end

   describe ' when @_breadcrumb_list is not nil' do
     include BreadcrumbsHelper

     before(:each) do
       @_breadcrumb_list = mock('Breadcrumb::List')
       @_breadcrumb_list.should_receive(:<<).with(mock_breadcrumb)
     end

     it 'should not call #create_breadcrumb_list' do
       self.should_not_receive(:create_breadcrumb_list)
       add_breadcrumb(@name, @url)
     end

     it 'should add a breadcrumb to the @_breadcrumb_list' do
       self.should_not_receive(:create_breadcrumb_list)
       add_breadcrumb(@name, @url)
     end
   end
   
end

end