ErrLookup › thoughtbot/factory_bot

thoughtbot/factory_bot

A library for setting up Ruby objects as test data. · Ruby · 57 source files

Analyzed at 18ae8b581b on 2026-08-21. 13 documented errors.

Code / MessageTypeSeverityTags
Association '#{name}' received an invalid factory argument.
exception error ruby, factory-bot, association, argumenterror, typo
Association '#{name}' received an invalid attribute override
exception error ruby, factory-bot, association, overrides, argumenterror
undefined method '#{name}' in '#{@definition.name}' factory
exception error ruby, factory-bot, syntax, upgrade, nomethoderror
Unexpected block passed to '#{name}' association in '#{@defi
exception error ruby, factory-bot, association, block, dsl
Attribute already defined: #{attribute.name}
exception error ruby, factory-bot, attributes, duplicate-definition
Self-referencing association '#{attribute.name}' in '#{attri
exception error ruby, factory-bot, association, self-reference, recursion
Self-referencing trait '#{@name}'
exception error ruby, factory-bot, trait, self-reference
#{@component.name} already registered: #{name}
exception error ruby, factory-bot, duplicate, registry, definition
Defining methods in blocks (trait or factory) is not support
exception error ruby, factory-bot, dsl, method-definition
Sequence '#{sequence.uri_manager.first}' failed to return a
exception error ruby, factory-bot, sequence, scope, wrapped-exception
The following factories are invalid: #{lines.join("\n")}
exception error ruby, factory-bot, linting, ci, test-data
count missing for #{strategy_name}_list
exception error ruby, factory-bot, create-list, arguments, argumenterror
Sequence '#{sequence.uri_manager.first}' failed to return a
exception error ruby, factory-bot, sequence, generate, scope