Basic functionality via minitest

spec/dummy/app/controllers/application_controller.rb

@@ -2,4 +2,6 @@ class ApplicationController < ActionController::Base
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
+
+  wrap_parameters format: [ :json ]
 end

spec/dummy/app/controllers/blogs_controller.rb

@@ -0,0 +1,14 @@
+class BlogsController < ApplicationController
+
+  def create
+    render json: {}
+  end
+
+  def index
+    render json: {}
+  end
+
+  def show
+    render json: {}
+  end
+end