Make the xml_http_request testing method set the HTTP_ACCEPT header

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3867 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Make the xml_http_request testing method set the HTTP_ACCEPT header [Jamis Buck]
+
 * Add Verification to scaffolds.   Prevent destructive actions using GET [Michael Koziarski]
 
 * Avoid hitting the filesystem when using layouts by using a File.directory? cache. [Stefan Kaes, Nicholas Seckar]

actionpack/lib/action_controller/test_process.rb

@@ -317,8 +317,10 @@ module ActionController #:nodoc:
 
     def xml_http_request(request_method, action, parameters = nil, session = nil, flash = nil)
       @request.env['HTTP_X_REQUESTED_WITH'] = 'XMLHttpRequest'
+      @request.env['HTTP_ACCEPT'] = 'text/javascript, text/html, application/xml, text/xml, */*'
       returning self.send(request_method, action, parameters, session, flash) do
         @request.env.delete 'HTTP_X_REQUESTED_WITH'
+        @request.env.delete 'HTTP_ACCEPT'
       end
     end
     alias xhr :xml_http_request