Fix #52 - Add API versioning (v1)

spec/controllers/api/v1/apps_controller_spec.rb

@@ -0,0 +1,26 @@
+require 'rails_helper'
+
+RSpec.describe Api::V1::AppsController, type: :controller do
+  render_views
+
+  describe 'POST #create' do
+    before do
+      post :create, params: { name: 'Test app', redirect_uri: 'urn:ietf:wg:oauth:2.0:oob' }
+    end
+
+    it 'returns http success' do
+      expect(response).to have_http_status(:success)
+    end
+
+    it 'creates an OAuth app' do
+      expect(Doorkeeper::Application.find_by(name: 'Test app')).to_not be nil
+    end
+
+    it 'returns client ID and client secret' do
+      json = body_as_json
+
+      expect(json[:client_id]).to_not be_blank
+      expect(json[:client_secret]).to_not be_blank
+    end
+  end
+end