User.ancestors

irb

1.9.3-p327 :008 > User.ancestors
 => [User(Table doesn't exist), StateMachine::InstanceMethods, User :state instance helpers, UserRepository, UsefullScopes, User::GeneratedFeatureMethods, #<Module:0x007fbb5bd15038>, ActiveRecord::Base, ActiveRecord::Aggregations, ActiveRecord::Transactions, ActiveRecord::Reflection, ActiveRecord::Serialization, ActiveModel::Serializers::Xml, ActiveModel::Serializers::JSON, ActiveModel::Serialization, ActiveRecord::Store, ActiveRecord::AutosaveAssociation, ActiveRecord::NestedAttributes, ActiveModel::SecurePassword, ActiveRecord::IdentityMap, ActiveRecord::Associations, ActiveModel::Validations::Callbacks, ActiveRecord::Callbacks, ActiveModel::Observing, ActiveRecord::Timestamp, ActiveRecord::AttributeMethods::DeprecatedUnderscoreRead, ActiveRecord::AttributeMethods::Serialization, ActiveRecord::AttributeMethods::Dirty, ActiveModel::Dirty, ActiveRecord::AttributeMethods::TimeZoneConversion, ActiveRecord::AttributeMethods::PrimaryKey, ActiveRecord::AttributeMethods::Query, ActiveRecord::AttributeMethods::BeforeTypeCast, #<Module:0x007fbb5a111120>, ActiveRecord::AttributeMethods::Write, ActiveRecord::AttributeMethods::Read, ActiveRecord::AttributeMethods, ActiveModel::AttributeMethods, ActiveRecord::Locking::Optimistic, ActiveRecord::Locking::Pessimistic, ActiveRecord::Validations, ActiveModel::Validations::HelperMethods, ActiveModel::Validations, ActiveSupport::Callbacks, ActiveRecord::Integration, ActiveModel::Conversion, ActiveRecord::AttributeAssignment, ActiveModel::MassAssignmentSecurity, ActiveRecord::Sanitization, ActiveRecord::Scoping::Named, ActiveRecord::Scoping::Default, ActiveRecord::Scoping, ActiveRecord::Inheritance, ActiveRecord::ModelSchema, ActiveRecord::ReadonlyAttributes, ActiveRecord::Persistence, Object, PP::ObjectMixin, JSON::Ext::Generator::GeneratorMethods::Object, ActiveSupport::Dependencies::Loadable, V8::Conversion::Object, Kernel, BasicObject]