Refactoring Grape API methods into normal controllers & other things

spec/controllers/accounts_controller_spec.rb

@@ -0,0 +1,17 @@
+require 'rails_helper'
+
+RSpec.describe AccountsController, type: :controller do
+  let(:alice)  { Fabricate(:account, username: 'alice') }
+
+  describe 'GET #show' do
+    it 'returns 200' do
+      get :show, username: alice.username
+      expect(response).to have_http_status(:success)
+    end
+
+    it 'returns 200 with Atom' do
+      get :show, username: alice.username, format: 'atom'
+      expect(response).to have_http_status(:success)
+    end
+  end
+end