transferred Code Ocean from original repository to GitHub

spec/factories/shared_traits.rb

@@ -0,0 +1,21 @@
+FactoryGirl.define do
+  %w[admin external_user teacher].each do |factory_name|
+    trait :"created_by_#{factory_name}" do
+      association :user, factory: factory_name
+    end
+  end
+
+  trait :generated_email do
+    email { "#{name.underscore.gsub(' ', '.')}@example.org" }
+  end
+
+  trait :generated_user_name do
+    name { Forgery::Name.full_name }
+  end
+
+  [ExternalUser, InternalUser].each do |klass|
+    trait :"singleton_#{klass.name.underscore}" do
+      initialize_with { klass.where(email: email).first_or_create }
+    end
+  end
+end