Adding tests for i18n translation for default messages

spec/cancan/exceptions_spec.rb

@@ -32,4 +32,27 @@ describe CanCan::AccessDenied do
       @exception.message.should == "Access denied!"
     end
   end
+  
+  describe "i18n in the default message" do
+    after(:each) do
+      I18n.backend = nil
+    end
+    
+    it "uses i18n for the default message" do
+      I18n.backend.store_translations :en, :cancan => {:default_message => "This is a different message"}
+      @exception = CanCan::AccessDenied.new
+      @exception.message.should == "This is a different message"
+    end
+    
+    it "defaults to a nice message" do
+      @exception = CanCan::AccessDenied.new
+      @exception.message.should == "You are not authorized to access this page."
+    end
+    
+    it "does not use translation if a message is given" do
+      @exception = CanCan::AccessDenied.new("Hey! You're not welcome here")
+      @exception.message.should == "Hey! You're not welcome here"
+      @exception.message.should_not == "You are not authorized to access this page."
+    end
+  end
 end