Integration tests support the OPTIONS http method

actionpack/CHANGELOG.md

 ## Rails 4.0.0 (unreleased) ##
 
+*   Integration tests support the `OPTIONS` method. *Jeremy Kemper*
+
 *   `expires_in` accepts a `must_revalidate` flag. If true, "must-revalidate"
     is added to the Cache-Control header. *fxn*
 

actionpack/lib/action_dispatch/testing/integration.rb

@@ -56,6 +56,12 @@ def head(path, parameters = nil, headers = nil)
         process :head, path, parameters, headers
       end
 
+      # Performs a OPTIONS request with the given parameters. See +#get+ for
+      # more details.
+      def options(path, parameters = nil, headers = nil)
+        process :options, path, parameters, headers
+      end
+
       # Performs an XMLHttpRequest request with the given parameters, mirroring
       # a request from the Prototype library.
       #
@@ -312,7 +318,7 @@ def reset!
         @integration_session = Integration::Session.new(app)
       end
 
-      %w(get post put head delete cookies assigns
+      %w(get post put head delete options cookies assigns
          xml_http_request xhr get_via_redirect post_via_redirect).each do |method|
         define_method(method) do |*args|
           reset! unless integration_session

actionpack/test/controller/integration_test.rb

@@ -105,6 +105,12 @@ def test_head
     @session.head(path,params,headers)
   end
 
+  def test_options
+    path = "/index"; params = "blah"; headers = {:location => 'blah'}
+    @session.expects(:process).with(:options,path,params,headers)
+    @session.options(path,params,headers)
+  end
+
   def test_xml_http_request_get
     path = "/index"; params = "blah"; headers = {:location => 'blah'}
     headers_after_xhr = headers.merge(
@@ -155,6 +161,16 @@ def test_xml_http_request_head
     @session.xml_http_request(:head,path,params,headers)
   end
 
+  def test_xml_http_request_options
+    path = "/index"; params = "blah"; headers = {:location => 'blah'}
+    headers_after_xhr = headers.merge(
+      "HTTP_X_REQUESTED_WITH" => "XMLHttpRequest",
+      "HTTP_ACCEPT"           => "text/javascript, text/html, application/xml, text/xml, */*"
+    )
+    @session.expects(:process).with(:options,path,params,headers_after_xhr)
+    @session.xml_http_request(:options,path,params,headers)
+  end
+
   def test_xml_http_request_override_accept
     path = "/index"; params = "blah"; headers = {:location => 'blah', "HTTP_ACCEPT" => "application/xml"}
     headers_after_xhr = headers.merge(
@@ -212,7 +228,7 @@ def test_integration_methods_called
     @integration_session.stubs(:generic_url_rewriter)
     @integration_session.stubs(:process)
 
-    %w( get post head put delete ).each do |verb|
+    %w( get post head put delete options ).each do |verb|
       assert_nothing_raised("'#{verb}' should use integration test methods") { __send__(verb, '/') }
     end
   end