spec/unit/mongoid/extensions/integer/conversions_spec.rb in mongoid-0.5.3 vs spec/unit/mongoid/extensions/integer/conversions_spec.rb in mongoid-0.5.4

@@ -1,11 +1,24 @@
 require File.join(File.dirname(__FILE__), "/../../../../spec_helper.rb")
 
 describe Mongoid::Extensions::Integer::Conversions do
 
   describe "#cast" do
-    it "converts the string to an Integer" do
-      Integer.cast("32").should == 32
+
+    context "when string is a number" do
+
+      it "converts the string to an Integer" do
+        Integer.cast("32").should == 32
+      end
+
+    end
+
+    context "when string is not a number" do
+
+      it "returns the string" do
+        Integer.cast("foo").should == "foo"
+      end
+
     end
   end
 
 end