Fixes aplication/vnd.api+json content not treated as JSON

Connects to #235

Author: kurko

features/api_blueprint_documentation.feature

@@ -7,7 +7,7 @@ Feature: Generate API Blueprint documentation from test examples
 
       class App < Sinatra::Base
         get '/orders' do
-          content_type :json
+          content_type "application/vnd.api+json"
 
           [200, {
             :page => 1,
@@ -263,11 +263,6 @@ Feature: Generate API Blueprint documentation from test examples
 
             Host: example.org
 
-        + Body
-
-            Content-Type: text/html;charset=utf-8
-            Content-Length: 57
-
     + Response 200 (text/html;charset=utf-8)
 
         + Headers
@@ -296,8 +291,16 @@ Feature: Generate API Blueprint documentation from test examples
 
         + Body
 
-            Content-Type: application/json
-            Content-Length: 73
+            {
+              "data": {
+                "type": "order",
+                "attributes": {
+                  "name": "Order 1",
+                  "amount": 100.0,
+                  "description": "A description"
+                }
+              }
+            }
 
     + Response 201 (application/json)
 
@@ -324,16 +327,11 @@ Feature: Generate API Blueprint documentation from test examples
 
             Host: example.org
 
-        + Body
-
-            Content-Type: application/json
-            Content-Length: 137
-
-    + Response 200 (application/json)
+    + Response 200 (application/vnd.api+json)
 
         + Headers
 
-            Content-Type: application/json
+            Content-Type: application/vnd.api+json
             Content-Length: 137
 
         + Body
@@ -374,11 +372,6 @@ Feature: Generate API Blueprint documentation from test examples
             Host: example.org
             Content-Type: application/x-www-form-urlencoded
 
-        + Body
-
-            Content-Type: text/html;charset=utf-8
-            Content-Length: 0
-
     + Response 200 (text/html;charset=utf-8)
 
         + Headers
@@ -394,11 +387,6 @@ Feature: Generate API Blueprint documentation from test examples
 
             Host: example.org
 
-        + Body
-
-            Content-Type: application/json
-            Content-Length: 73
-
     + Response 200 (application/json)
 
         + Headers
@@ -425,11 +413,6 @@ Feature: Generate API Blueprint documentation from test examples
             Content-Type: application/json
             Host: example.org
 
-        + Body
-
-            Content-Type: application/json
-            Content-Length: 0
-
     + Response 400 (application/json)
 
         + Headers
@@ -446,8 +429,15 @@ Feature: Generate API Blueprint documentation from test examples
 
         + Body
 
-            Content-Type: application/json
-            Content-Length: 111
+            {
+              "data": {
+                "id": "1",
+                "type": "order",
+                "attributes": {
+                  "name": "Order 1"
+                }
+              }
+            }
 
     + Response 200 (application/json)
 

lib/rspec_api_documentation/views/api_blueprint_example.rb

@@ -20,14 +20,13 @@ def parameters
 
       def requests
         super.map do |request|
-          if request[:request_content_type] =~ /application\/json/ && request[:request_body]
-            request[:request_body] = JSON.pretty_generate(JSON.parse(request[:request_body]))
-          end
+          request[:request_body]  = body_to_json(request, :request)
+          request[:response_body] = body_to_json(request, :response)
 
           request[:request_body] = indent(request[:request_body])
-          request[:request_body] = indent(request[:request_headers_text])
-          request[:request_body] = indent(request[:response_body])
-          request[:request_body] = indent(request[:response_headers_text])
+          request[:request_headers_text] = indent(request[:request_headers_text])
+          request[:response_body] = indent(request[:response_body])
+          request[:response_headers_text] = indent(request[:response_headers_text])
           request
         end
       end
@@ -45,6 +44,20 @@ def indent(string)
           end
         end
       end
+
+      # http_call: the hash that contains all information about the HTTP
+      #            request and response.
+      # message_direction: either `request` or `response`.
+      def body_to_json(http_call, message_direction)
+        content_type = http_call["#{message_direction}_content_type".to_sym]
+        body         = http_call["#{message_direction}_body".to_sym] # e.g request_body
+
+        if content_type =~ /application\/.*json/ && body
+          body = JSON.pretty_generate(JSON.parse(body))
+        end
+
+        body
+      end
     end
   end
 end