Merge branch 'add-formData-support' of https://github.com/thg303/rswag into thg303-add-formData-support

rswag-specs/lib/rswag/specs/request_factory.rb

@@ -138,15 +138,21 @@ module Rswag
         end
       end
 
+      def build_form_payload(parameters, example)
+        #See http://seejohncode.com/2012/04/29/quick-tip-testing-multipart-uploads-with-rspec/
+        # Rather that serializing with the appropriate encoding (e.g. multipart/form-data),
+        # Rails test infrastructure allows us to send the values directly as a hash
+        # PROS: simple to implement, CONS: serialization/deserialization is bypassed in test
+        tuples = parameters
+          .select { |p| p[:in] == :formData }
+          .map { |p| [ p[:name], example.send(p[:name]) ] }
+        Hash[ tuples ]
+      end
+
       def build_json_payload(parameters, example)
         body_param = parameters.select { |p| p[:in] == :body }.first
         body_param ? example.send(body_param[:name]).to_json : nil
       end
-
-      def build_form_payload(parameters, example)
-        nil
-        # TODO:
-      end
     end
   end
 end

rswag-specs/spec/rswag/specs/request_factory_spec.rb

@@ -158,6 +158,25 @@ module Rswag
               expect(request[:payload]).to eq("{\"text\":\"Some comment\"}")
             end
           end
+
+          context 'form payload' do
+            before do
+              metadata[:operation][:consumes] = [ 'multipart/form-data' ]
+              metadata[:operation][:parameters] = [
+                { name: 'f1', in: :formData, type: :string },
+                { name: 'f2', in: :formData, type: :string }
+              ]
+              allow(example).to receive(:f1).and_return('foo blah')
+              allow(example).to receive(:f2).and_return('bar blah')
+            end
+
+            it 'sets payload to hash of names and example values' do
+              expect(request[:payload]).to eq(
+                'f1' => 'foo blah',
+                'f2' => 'bar blah'
+              )
+            end
+          end
         end
 
         context 'produces content' do