Make RackRequest#request_method respect _method

actionpack/test/controller/cgi_test.rb

@@ -53,6 +53,14 @@ class BaseCgiTest < Test::Unit::TestCase
   end
 
   def default_test; end
+
+  private
+
+  def set_content_data(data)
+    @request.env['CONTENT_LENGTH'] = data.length
+    @request.env['CONTENT_TYPE'] = 'application/x-www-form-urlencoded; charset=utf-8'
+    @request.env['RAW_POST_DATA'] = data
+  end
 end
 
 class CgiRequestTest < BaseCgiTest
@@ -180,6 +188,31 @@ class CgiRequestContentTypeTest < BaseCgiTest
   end
 end
 
+class CgiRequestMethodTest < BaseCgiTest
+  def test_get
+    assert_equal :get, @request.request_method
+  end
+
+  def test_post
+    @request.env['REQUEST_METHOD'] = 'POST'
+    assert_equal :post, @request.request_method
+  end
+
+  def test_put
+    @request.env['REQUEST_METHOD'] = 'POST'
+    set_content_data '_method=put'
+
+    assert_equal :put, @request.request_method
+  end
+
+  def test_delete
+    @request.env['REQUEST_METHOD'] = 'POST'
+    set_content_data '_method=delete'
+
+    assert_equal :delete, @request.request_method
+  end
+end
+
 class CgiRequestNeedsRewoundTest < BaseCgiTest
   def test_body_should_be_rewound
     data = 'foo'