test that run_list handles versions correctly

Author: Thom May

chef/spec/unit/run_list_spec.rb

@@ -49,6 +49,22 @@
       @run_list.run_list.length.should == 1
       @run_list.recipes.length.should == 1
     end
+
+    it "should allow two versions of a recipe" do
+      @run_list << "recipe[needy,0.2.0]"
+      @run_list << "recipe[needy,0.1.0]"
+      @run_list.run_list.length.should == 2
+      @run_list.recipes.length.should == 2
+      @run_list.recipes.include?('needy').should == true
+    end
+    
+
+    it "should not allow duplicate versions of a recipe" do
+      @run_list << "recipe[needy,0.2.0]"
+      @run_list << "recipe[needy,0.2.0]"
+      @run_list.run_list.length.should == 1
+      @run_list.recipes.length.should == 1
+    end
   end
 
   describe "==" do