Fix formatting of nested response_field scopes

Fixes #256

Signed-off-by: Alex Coles <alex@alexbcoles.com>

Author: myabc

features/html_documentation.feature

@@ -8,7 +8,10 @@ Feature: Generate HTML documentation from test examples
           request = Rack::Request.new(env)
           response = Rack::Response.new
           response["Content-Type"] = "application/json"
-          response.write({ "hello" => request.params["target"] }.to_json)
+          response.write({
+            "hello" => request.params["target"],
+            "more_greetings" => { "bonjour" => { "message" => "le monde" } }
+          }.to_json)
           response.finish
         end
       end
@@ -31,14 +34,15 @@ Feature: Generate HTML documentation from test examples
           parameter :scoped, "This is a scoped variable", :scope => :scope
           parameter :sub, "This is scoped", :scope => [:scope, :further]
 
-          response_field :hello, "The greeted thing"
+          response_field :hello,   "The greeted thing"
+          response_field :message, "Translated greeting", scope: [:more_greetings, :bonjour]
 
           example "Greeting your favorite gem" do
             do_request :target => "rspec_api_documentation"
 
             expect(response_headers["Content-Type"]).to eq("application/json")
             expect(status).to eq(200)
-            expect(response_body).to eq('{"hello":"rspec_api_documentation"}')
+            expect(response_body).to eq('{"hello":"rspec_api_documentation","more_greetings":{"bonjour":{"message":"le monde"}}}')
           end
         end
       end
@@ -75,8 +79,9 @@ Feature: Generate HTML documentation from test examples
     When  I open the index
     And   I navigate to "Greeting your favorite gem"
     Then  I should see the following response fields:
-      | name  | description       |
-      | hello | The greeted thing |
+      | name                             | description         |
+      | hello                            | The greeted thing   |
+      | more_greetings[bonjour][message] | Translated greeting |
 
   Scenario: Example HTML documentation includes the request information
     When  I open the index
@@ -99,5 +104,5 @@ Feature: Generate HTML documentation from test examples
       | Content-Length | 35               |
     And   I should see the following response body:
       """
-      { "hello": "rspec_api_documentation" }
+      { "hello": "rspec_api_documentation", "more_greetings": { "bonjour": { "message": "le monde" } } }
       """

lib/rspec_api_documentation/views/markup_example.rb

@@ -31,14 +31,15 @@ def filename
       def parameters
         super.each do |parameter|
           if parameter.has_key?(:scope)
-            scope = Array(parameter[:scope]).each_with_index.map do |scope, index|
-              if index == 0
-                scope
-              else
-                "[#{scope}]"
-              end
-            end.join
-            parameter[:scope] = scope
+            parameter[:scope] = format_scope(parameter[:scope])
+          end
+        end
+      end
+
+      def response_fields
+        super.each do |response_field|
+          if response_field.has_key?(:scope)
+            response_field[:scope] = format_scope(response_field[:scope])
           end
         end
       end
@@ -71,6 +72,16 @@ def format_hash(hash = {})
           "#{k}: #{v}"
         end.join("\n")
       end
+
+      def format_scope(unformatted_scope)
+        Array(unformatted_scope).each_with_index.map do |scope, index|
+          if index == 0
+            scope
+          else
+            "[#{scope}]"
+          end
+        end.join
+      end
     end
   end
 end