Extract Registrar::CurrentUserController from SessionsController

#600

spec/requests/registrar/current_user_spec.rb

@@ -0,0 +1,53 @@
+require 'rails_helper'
+
+RSpec.describe 'Registrar current user', db: false do
+  describe 'GET /registrar/current_user/switch/2' do
+    context 'when user is authenticated', db: true do
+      let!(:current_user) { create(:api_user, id: 1, identity_code: 'test') }
+      let!(:new_user) { create(:api_user, id: 2, identity_code: 'test') }
+
+      before do
+        sign_in_to_registrar_area(user: current_user)
+      end
+
+      context 'when ip is allowed' do
+        let(:restricted_ip) { instance_double(Authorization::RestrictedIP,
+                                              can_access_registrar_area?: true) }
+
+        before do
+          allow(Authorization::RestrictedIP).to receive(:new).and_return(restricted_ip)
+        end
+
+        specify do
+          make_request
+          expect(response).to redirect_to('http://previous.url')
+        end
+      end
+
+      context 'when ip is not allowed' do
+        let(:restricted_ip) { instance_double(Authorization::RestrictedIP,
+                                              can_access_registrar_area?: false) }
+
+        before do
+          allow(Authorization::RestrictedIP).to receive(:new).and_return(restricted_ip)
+        end
+
+        specify do
+          make_request
+          expect(response).to redirect_to(registrar_login_url)
+        end
+      end
+    end
+
+    context 'when user is not authenticated' do
+      specify do
+        make_request
+        expect(response).to redirect_to(registrar_login_url)
+      end
+    end
+
+    def make_request
+      get '/registrar/current_user/switch/2', nil, { 'HTTP_REFERER' => 'http://previous.url' }
+    end
+  end
+end