Allow headers[Accept] to be set by hand when calling xml_http_request (closes #10461) [BMorearty]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8426 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *2.0.2* (December 16th, 2007)
 
+* Allow headers['Accept'] to be set by hand when calling xml_http_request #10461 [BMorearty]
+
 * Added OPTIONS to list of default accepted HTTP methods #10449 [holoway]
 
 * Added option to pass proc to ActionController::Base.asset_host for maximum configurability #10521 [chuyeow]. Example:

actionpack/lib/action_controller/integration.rb

@@ -187,7 +187,7 @@ module ActionController
       def xml_http_request(request_method, path, parameters = nil, headers = nil)
         headers ||= {}
         headers['X-Requested-With'] = 'XMLHttpRequest'
-        headers['Accept'] = 'text/javascript, text/html, application/xml, text/xml, */*'
+        headers['Accept'] ||= 'text/javascript, text/html, application/xml, text/xml, */*'
 
         process(request_method, path, parameters, headers)
       end

actionpack/test/controller/integration_test.rb

@@ -179,6 +179,15 @@ class SessionTest < Test::Unit::TestCase
     @session.expects(:process).with(:head,path,params,headers_after_xhr)
     @session.xml_http_request(:head,path,params,headers)
   end
+  
+  def test_xml_http_request_override_accept
+    path = "/index"; params = "blah"; headers = {:location => 'blah', "Accept" => "application/xml"}
+    headers_after_xhr = headers.merge(
+      "X-Requested-With" => "XMLHttpRequest"
+    )
+    @session.expects(:process).with(:post,path,params,headers_after_xhr)
+    @session.xml_http_request(:post,path,params,headers)
+  end
 end
 
 class IntegrationTestTest < Test::Unit::TestCase