mock mongoMapper的模型关系

https://github.com/tenderlove/mechanize
先写着，网页交互

  describe "detail_view" do
    
    before(:each) do
      @index = mock(Monitoring::Index, :id => 1, :url => 'http://www.abc.com').as_null_object
      @following = Following.new(:id => '4bd887535df8ca0b6a000002', :index_id => '4bd887535df8ca0b6a000003'.to_mongoid, :follower_id => '4bd887535df8ca0b6a000004'.to_mongoid)
      Monitoring::Index.should_receive('find_by_id').with('4bd887535df8ca0b6a000003'.to_mongoid).and_return(@index)
      
      @user = mock(User)
      User.should_receive('find_by_id').with('4bd887535df8ca0b6a000004'.to_mongoid).and_return(@user)
    end
    
    
    context "without access to google analytics" do
      before(:each) do
        @user.should_receive('has_profile_for?').with(@index).and_return(false)
      end
      
      it "should include abc score history for the monitored url" do
        expected_abc_score_history = [['20100910', 56], ['20100920', 70]]
        @index.should_receive('abc_score_history_between').and_return(expected_abc_score_history.collect{|date, score| {:date => date.to_time, :abc_score => score}})
        @following.detail_view[:abc_score_history].should == expected_abc_score_history.collect{|date, score| [date.to_milli_secs, score]}
      end
    
      it "should include scores view for the monitored url" do
        expected_scores_overview = {
          :page_load => 3970, 
          :reachability => 1030, 
          :optimization => 79,
          :complexity => 10110
        }
        @index.should_receive('scores_overview').and_return(expected_scores_overview)
        @following.detail_view[:scores_overview].should == expected_scores_overview
      end
    
      it "should not include ga data if the user don't have access to the url in google analytics" do
        @following.detail_view[:ga].should == nil
      end
    end
  end