RackRequest#content_type should return Mime::Type

actionpack/lib/action_controller/rack_process.rb

@@ -24,7 +24,7 @@ def initialize(env, session_options = DEFAULT_SESSION_OPTIONS)
       super()
     end
 
-    %w[ AUTH_TYPE CONTENT_TYPE GATEWAY_INTERFACE PATH_INFO
+    %w[ AUTH_TYPE GATEWAY_INTERFACE PATH_INFO
         PATH_TRANSLATED QUERY_STRING REMOTE_HOST
         REMOTE_IDENT REMOTE_USER SCRIPT_NAME
         SERVER_NAME SERVER_PROTOCOL

actionpack/test/controller/rack_test.rb

@@ -166,6 +166,18 @@ def test_doesnt_interpret_request_uri_as_query_string_when_missing
   end
 end
 
+class RackRequestContentTypeTest < BaseRackTest
+  def test_html_content_type_verification
+    @request.env['CONTENT_TYPE'] = Mime::HTML.to_s
+    assert @request.content_type.verify_request?
+  end
+
+  def test_xml_content_type_verification
+    @request.env['CONTENT_TYPE'] = Mime::XML.to_s
+    assert !@request.content_type.verify_request?
+  end
+end
+
 class RackRequestNeedsRewoundTest < BaseRackTest
   def test_body_should_be_rewound
     data = 'foo'