Add support for patch method.

Author: LTe

lib/grape/api.rb

@@ -282,6 +282,7 @@ def after(&block)
         imbue(:afters, [block])
       end
 
+      def patch(paths = ['/'], options = {}, &block); route('PATCH', paths, options, &block) end
       def get(paths = ['/'], options = {}, &block); route('GET', paths, options, &block) end
       def post(paths = ['/'], options = {}, &block); route('POST', paths, options, &block) end
       def put(paths = ['/'], options = {}, &block); route('PUT', paths, options, &block) end

spec/grape/api_spec.rb

@@ -257,13 +257,13 @@ def app; subject end
         "lol"
       end
 
-      %w(get post put delete options).each do |m|
+      %w(get post put delete options patch).each do |m|
         send(m, '/abc')
         last_response.body.should eql 'lol'
       end
     end
 
-    verbs = %w(post get head delete put options)
+    verbs = %w(post get head delete put options patch)
     verbs.each do |verb|
       it "should allow and properly constrain a #{verb.upcase} method" do
         subject.send(verb, '/example') do

spec/grape/endpoint_spec.rb

@@ -217,7 +217,7 @@ def memoized
   end
 
   context 'anchoring' do
-    verbs = %w(post get head delete put options)
+    verbs = %w(post get head delete put options patch)
 
     verbs.each do |verb|
       it "should allow for the anchoring option with a #{verb.upcase} method" do

spec/spec_helper.rb

@@ -17,11 +17,12 @@
 
 require 'hashie/hash'
 
-RSpec.configure do |config|
-  config.include Rack::Test::Methods
-end
-
 Dir["#{File.dirname(__FILE__)}/support/*.rb"].each do |file|
   require file
 end
 
+RSpec.configure do |config|
+  config.include Rack::Test::Methods
+  config.include Rack::Test::Methods::Patch
+end
+

spec/support/rack_patch.rb

@@ -0,0 +1,25 @@
+unless Rack::Test::Session.method_defined?(:patch)
+  module Rack
+    module Test
+      module Methods
+        module Patch
+          extend Forwardable
+          def_delegators :current_session, *[:patch]
+        end
+      end
+    end
+  end
+
+  module Rack
+    module Test
+      class Session
+        def patch(uri, params = {}, env = {}, &block)
+          env = env_for(uri, env.merge(:method => "PATCH", :params => params))
+          process_request(uri, env, &block)
+        end
+      end
+    end
+  end
+else
+  raise LoadError, "Remove spec/support/rack_patch.rb | rack-test #{Rack::Test::VERSION} has a method patch"
+end