ensure gemspec works

features/ruby_gemfile.feature

@@ -1,10 +1,13 @@
 @fakefs
 Feature: Gemfiles
+  @wip
   Scenario: Process a pure Ruby gemfile
     Given I have the file "Gemfile.penchant" with the content:
       """
       source :rubygems
 
+      gemspec
+
       group :cats, :dogs do
         case environment
         when :local
@@ -19,6 +22,7 @@ Feature: Gemfiles
       """
       # generated by penchant, environment: local
       source :rubygems
+      gemspec
 
       group :cats, :dogs do
         gem "test", {:path=>"../test"}
@@ -29,6 +33,7 @@ Feature: Gemfiles
       """
       # generated by penchant, environment: remote
       source :rubygems
+      gemspec
 
       group :cats, :dogs do
         gem "test", {:git=>"git://github.com/johnbintz/test.git"}
@@ -129,7 +134,7 @@ Feature: Gemfiles
       gem "one", {:path=>"../one"}
       """
 
-  @wip @mocha
+  @mocha
   Scenario: OS-specific blocks
     Given I have the file "Gemfile.penchant" with the content:
       """

lib/penchant/gemfile.rb

@@ -223,6 +223,10 @@ module Penchant
         @output << %{gem #{args_to_string(args)}}
       end
 
+      def gemspec
+        @output << %{gemspec}
+      end
+
       def gems(*args)
         gems, template = split_args(args)