Fix: request body parameters from a PATCH request not avaialble in params.

Author: FreakenK

CHANGELOG.markdown

@@ -15,6 +15,7 @@ Next Release
 * [#60](https://github.com/intridea/grape/issues/60): Fix: mounting of a Grape API onto a path - [@dblock](http://github.com/dblock).
 * [#190](https://github.com/intridea/grape/issues/190): When you add a `GET` route for a resource, a route for the `HEAD` method will also be added automatically. You can disable this behavior with `do_not_route_head!` - [@dblock](http://github.com/dblock).
 * Added `do_not_route_options!`, which disables the automatic creation of the `OPTIONS` route - [@dblock](http://github.com/dblock).
+* [#335](https://github.com/intridea/grape/pull/335): Fix: request body parameters from a `PATCH` request not available in `params` - [@FreakenK](http://github.com/FreakenK).
 * Your contribution here.
 
 0.2.6 (01/11/2013)

lib/grape/middleware/formatter.rb

@@ -38,7 +38,7 @@ def after
       private
 
         def read_body_input
-          if (request.post? || request.put?) && (! request.form_data?) && (! request.parseable_data?) && (request.content_length.to_i > 0)
+          if (request.post? || request.put? || request.patch?) && (! request.form_data?) && (! request.parseable_data?) && (request.content_length.to_i > 0)
             if env['rack.input'] && (body = env['rack.input'].read).length > 0
               begin
                 fmt = mime_types[request.media_type] if request.media_type

spec/grape/middleware/formatter_spec.rb

@@ -37,7 +37,7 @@ def to_xml
   end
 
   context 'detection' do
-    
+
     it 'uses the extension if one is provided' do
       subject.call({'PATH_INFO' => '/info.xml'})
       subject.env['api.format'].should == :xml
@@ -149,43 +149,48 @@ def to_xml
   end
 
   context 'input' do
-    [ "application/json", "application/json; charset=utf-8" ].each do |content_type|
-      it 'parses the body from a POST/PUT and put the contents into rack.request.form_hash for #{content_type}' do
-        io = StringIO.new('{"is_boolean":true,"string":"thing"}')
-        subject.call({
-          'PATH_INFO' => '/info',
-          'REQUEST_METHOD' => 'POST',
-          'CONTENT_TYPE' => content_type,
-          'rack.input' => io,
-          'CONTENT_LENGTH' => io.length
-        })
-        subject.env['rack.request.form_hash']['is_boolean'].should be_true
-        subject.env['rack.request.form_hash']['string'].should == 'thing'
+    [ "POST", "PATCH", "PUT" ].each do |method|
+      [ "application/json", "application/json; charset=utf-8" ].each do |content_type|
+        context content_type do
+          it 'parses the body from #{method} and copies values into rack.request.form_hash' do
+            io = StringIO.new('{"is_boolean":true,"string":"thing"}')
+            subject.call({
+              'PATH_INFO' => '/info',
+              'REQUEST_METHOD' => method,
+              'CONTENT_TYPE' => content_type,
+              'rack.input' => io,
+              'CONTENT_LENGTH' => io.length
+            })
+            subject.env['rack.request.form_hash']['is_boolean'].should be_true
+            subject.env['rack.request.form_hash']['string'].should == 'thing'
+          end
+        end
       end
-    end
-    it 'parses the body from an xml POST/PUT and put the contents into rack.request.from_hash' do
-      io = StringIO.new('<thing><name>Test</name></thing>')
-      subject.call({
-        'PATH_INFO' => '/info.xml',
-        'REQUEST_METHOD' => 'POST',
-        'CONTENT_TYPE' => 'application/xml',
-        'rack.input' => io,
-        'CONTENT_LENGTH' => io.length
-      })
-      subject.env['rack.request.form_hash']['thing']['name'].should == 'Test'
-    end
-    [ Rack::Request::FORM_DATA_MEDIA_TYPES, Rack::Request::PARSEABLE_DATA_MEDIA_TYPES ].flatten.each do |content_type|
-      it "ignores #{content_type}" do
-        io = StringIO.new('name=Other+Test+Thing')
+      it 'parses the body from an xml #{method} and copies values into rack.request.from_hash' do
+        io = StringIO.new('<thing><name>Test</name></thing>')
         subject.call({
-          'PATH_INFO' => '/info',
-          'REQUEST_METHOD' => 'POST',
-          'CONTENT_TYPE' => content_type,
+          'PATH_INFO' => '/info.xml',
+          'REQUEST_METHOD' => method,
+          'CONTENT_TYPE' => 'application/xml',
           'rack.input' => io,
           'CONTENT_LENGTH' => io.length
         })
-        subject.env['rack.request.form_hash'].should be_nil
+        subject.env['rack.request.form_hash']['thing']['name'].should == 'Test'
+      end
+      [ Rack::Request::FORM_DATA_MEDIA_TYPES, Rack::Request::PARSEABLE_DATA_MEDIA_TYPES ].flatten.each do |content_type|
+        it "ignores #{content_type}" do
+          io = StringIO.new('name=Other+Test+Thing')
+          subject.call({
+            'PATH_INFO' => '/info',
+            'REQUEST_METHOD' => method,
+            'CONTENT_TYPE' => content_type,
+            'rack.input' => io,
+            'CONTENT_LENGTH' => io.length
+          })
+          subject.env['rack.request.form_hash'].should be_nil
+        end
       end
     end
   end
+
 end