Refactor registrars

#765

test/integration/admin/registrars/delete_test.rb

@@ -0,0 +1,30 @@
+require 'test_helper'
+
+class AdminAreaDeleteRegistrarTest < ActionDispatch::IntegrationTest
+  def setup
+    login_as users(:admin)
+  end
+
+  def test_can_be_deleted_when_not_in_use
+    visit admin_registrar_url(registrars(:not_in_use))
+
+    assert_difference 'Registrar.count', -1 do
+      click_link_or_button 'Delete'
+    end
+
+    assert_current_path admin_registrars_path
+    assert_text 'Registrar has been successfully deleted'
+  end
+
+  def test_cannot_be_deleted_when_in_use
+    registrar = registrars(:bestnames)
+    visit admin_registrar_url(registrar)
+
+    assert_no_difference 'Registrar.count' do
+      click_link_or_button 'Delete'
+    end
+
+    assert_current_path admin_registrar_path(registrar)
+    assert_text 'Cannot delete record because dependent domains exist'
+  end
+end