Fixed printing ActiveRecord::Base class ancestors

lib/awesome_print/ext/active_record.rb

@@ -26,7 +26,7 @@ module AwesomePrint
     # Format ActiveRecord class object.
     #------------------------------------------------------------------------------
     def awesome_active_record_class(object)
-      return object.inspect if !defined?(::ActiveSupport::OrderedHash) || !object.respond_to?(:columns)
+      return object.inspect if !defined?(::ActiveSupport::OrderedHash) || !object.respond_to?(:columns) || object.to_s == "ActiveRecord::Base"
 
       data = object.columns.inject(::ActiveSupport::OrderedHash.new) do |hash, c|
         hash[c.name.to_sym] = c.type

spec/ext/active_record_spec.rb

@@ -128,8 +128,11 @@ EOS
 
     #------------------------------------------------------------------------------
     describe "ActiveRecord class" do
-      it "should print the class" do
+      before do
         @ap = AwesomePrint::Inspector.new(:plain => true)
+      end
+
+      it "should print the class" do
         @ap.send(:awesome, User).should == <<-EOS.strip
 class User < ActiveRecord::Base {
             :id => :integer,
@@ -141,8 +144,7 @@ class User < ActiveRecord::Base {
 EOS
       end
 
-      it "should print the class for non-direct subclasses of AR::Base" do
+      it "should print the class for non-direct subclasses of ActiveRecord::Base" do
-        @ap = AwesomePrint::Inspector.new(:plain => true)
         @ap.send(:awesome, SubUser).should == <<-EOS.strip
 class SubUser < User {
             :id => :integer,
@@ -153,6 +155,10 @@ class SubUser < User {
 }
 EOS
       end
+
+      it "should print ActiveRecord::Base objects (ex. ancestors)" do
+        lambda { @ap.send(:awesome, User.ancestors) }.should_not raise_error
+      end
     end
   end