Adding embedded PuSH server

spec/controllers/api/push_controller_spec.rb

@@ -0,0 +1,13 @@
+require 'rails_helper'
+
+RSpec.describe Api::PushController, type: :controller do
+  describe 'POST #update' do
+    context 'with hub.mode=subscribe' do
+      pending
+    end
+
+    context 'with hub.mode=unsubscribe' do
+      pending
+    end
+  end
+end

spec/fabricators/subscription_fabricator.rb

@@ -0,0 +1,6 @@
+Fabricator(:subscription) do
+  callback_url "http://example.com/callback"
+  secret       "foobar"
+  expires_at   "2016-11-28 11:30:07"
+  confirmed    false
+end

spec/models/subscription_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe Subscription, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end