require_relative '../spec_helper' describe Impression do fixtures :widgets before(:each) do @widget = Widget.find(1) Impression.destroy_all end describe "self#counter_caching?" do it "should know when counter caching is enabled" do Widget.should be_counter_caching end it "should know when counter caching is disabled" do Article.should_not be_counter_caching end end describe "#update_counter_cache" do it "should update the counter cache column to reflect the correct number of impressions" do lambda { Impression.create(:impressionable_type => @widget.class.name, :impressionable_id => @widget.id) @widget.reload }.should change(@widget, :impressions_count).from(0).to(1) end end end