thoughtbot/factory_bot

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A library for setting up Ruby objects as test data.

Stars: 8.2k
Forks: 2.6k
Open beginner issues: 0
Indexed issues: 67

Dominant language: Ruby
License: MIT
Last GitHub push: Aug 21, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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67 open issues indexed

Move the factory_girl upgrade guide link out of the README Open

feature

Difficulty 1/5 Under an hour Newbie friendliness 90/100

thoughtbot/factory_bot#1835 · Opened Aug 30, 2026
Meta Issue on Issues Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

thoughtbot/factory_bot#1827 · Opened Jul 15, 2026
Feedback on Documentation Open

documentation good first issue help wanted

Difficulty 5/5 Over a week Newbie friendliness 25/100

thoughtbot/factory_bot#1826 · 3 comments · Opened Jul 15, 2026
Refactor internal references to ignored (attributes) to transient attributes Open

good first issue

Difficulty 3/5 1-2 days Newbie friendliness 52/100

thoughtbot/factory_bot#1825 · 1 comment · Opened Jul 15, 2026
insert_all or active_record-import integration Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

thoughtbot/factory_bot#1788 · 3 comments · Opened Oct 28, 2025
create_list does not correctly override parameter Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

thoughtbot/factory_bot#1787 · 2 comments · 1 reaction · Opened Oct 24, 2025
FactoryBot.modify does not override gem factory Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

thoughtbot/factory_bot#1743 · Opened May 8, 2025
Question/Request: ability to access original arguments from within attribute blocks Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

thoughtbot/factory_bot#1741 · 5 comments · Opened Apr 30, 2025
Precision of DateTime fields, when specified, do not match the DB schema Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

thoughtbot/factory_bot#1736 · 4 comments · Opened Mar 7, 2025
Initial value for sequences having no effect Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

thoughtbot/factory_bot#1724 · 1 comment · Opened Jan 24, 2025
Allow traits to override the class Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 38/100

thoughtbot/factory_bot#1722 · 1 comment · Opened Jan 16, 2025
Create a "Getting Started" section to help beginners to get started 😃 Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 35/100

thoughtbot/factory_bot#1707 · 2 comments · Opened Oct 25, 2024
Question: Option to disable broadcasts when creating objects via factory_bot Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

thoughtbot/factory_bot#1702 · 2 comments · Opened Sep 19, 2024
Question/Feature - Access `traits` and `overrides` arguments in public API Open

feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

thoughtbot/factory_bot#1697 · 1 comment · Opened Sep 10, 2024
Feature request: attribute scoped sequence Open

feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

thoughtbot/factory_bot#1683 · 2 comments · 1 reaction · Opened Jul 26, 2024
Add find_or_create_by Method Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

thoughtbot/factory_bot#1681 · 4 comments · Opened Jul 20, 2024
Fix shape variations with attribute assigner Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

thoughtbot/factory_bot#1679 · 1 comment · Opened Jul 19, 2024
Please consider bringing back the old readme-style documentation Open

documentation

Difficulty 5/5 Over a week Newbie friendliness 25/100

thoughtbot/factory_bot#1671 · 5 comments · 8 reactions · Opened Jul 5, 2024
Question: Why `Evaluator` class is marked as a `@api private` if its instance is part of `to_create` API? Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

thoughtbot/factory_bot#1664 · Opened Jun 16, 2024
Expose which keys were overridden by the user Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

thoughtbot/factory_bot#1649 · 2 comments · 2 reactions · Opened May 10, 2024
Pass context to initialize_with Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

thoughtbot/factory_bot#1648 · Opened May 10, 2024
Ad hoc sequences in create_list Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 42/100

thoughtbot/factory_bot#1647 · 1 reaction · Opened May 10, 2024
Zeal/Dash docset Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

thoughtbot/factory_bot#1646 · Opened May 10, 2024
has_many relations Open

feature

Difficulty 5/5 Over a week Newbie friendliness 30/100

thoughtbot/factory_bot#1645 · 1 comment · Opened May 10, 2024
Lint: multiple factory definitions that make the same object Open

feature

Difficulty 5/5 Over a week Newbie friendliness 30/100

thoughtbot/factory_bot#1644 · Opened May 10, 2024
Move stub strategy into factory_bot_rails Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

thoughtbot/factory_bot#1643 · Opened May 10, 2024
build_stubbed broke when i upgrade to Rails 7.1.3 Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

thoughtbot/factory_bot#1634 · 3 comments · Opened Apr 4, 2024
Ability to checkpoint and restore sequence state Open

feature

Difficulty 5/5 Over a week Newbie friendliness 30/100

thoughtbot/factory_bot#1631 · Opened Mar 28, 2024
Rubocop (`Rails/SaveBang`) linters `create(my_dynamic_string.to_sym)` when using with dynamic first param Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

thoughtbot/factory_bot#1620 · Opened Jan 26, 2024
build_stubbed does not fill id for uuid column type with SQLServer Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

thoughtbot/factory_bot#1618 · 1 comment · Opened Jan 19, 2024
attributes_for does not use initialize_with like the docs states it does Open

bug

thoughtbot/factory_bot#1606 · 2 comments · 1 assignee · Opened Dec 15, 2023
Configurable ID factory for build_stubbed Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

thoughtbot/factory_bot#1605 · Opened Dec 8, 2023
Updating from 6.2.0 -> 6.4.2 is a breaking change for us: "Do not define "id". Instead, rely on the database to generate it." Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

thoughtbot/factory_bot#1602 · 7 comments · 18 reactions · Opened Nov 24, 2023
Allow overriding of `FactoryBot.automatically_define_enum_traits` on a per-factory basis Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

thoughtbot/factory_bot#1597 · 3 comments · Opened Nov 7, 2023
How do you do inline association attribute overrides when your association doesnt match the factory name? Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

thoughtbot/factory_bot#1591 · 2 comments · Opened Aug 30, 2023
Associations blocks are being executed with invalid data at attributes_for Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

thoughtbot/factory_bot#1589 · 2 comments · 3 reactions · Opened Aug 21, 2023
Raise an error if `sequence` is defined for attribute with auto-incrementing sequence in the DB Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

thoughtbot/factory_bot#1585 · Opened Jul 1, 2023
Associations with Rails Engine lead to ActiveRecord::RecordInvalid Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

thoughtbot/factory_bot#1584 · 2 reactions · Opened Jun 27, 2023
Question: Possible to get reference to the build_class from initialize_with? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

thoughtbot/factory_bot#1575 · 2 comments · 1 reaction · Opened May 22, 2023
`before(:create)` not executed in expected order Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

thoughtbot/factory_bot#1573 · 5 comments · 1 reaction · Opened May 1, 2023
Cannot create Factory with multiple traits got (ArgumentError Exception: wrong number of arguments (given 1, expected 0)) Ruby 3.0, Rails 6.1.72, factory_bot_rails 6.1.0 #408 Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

thoughtbot/factory_bot#1567 · 3 comments · Opened Feb 10, 2023
Linting `traits: true` on nested factories made from traits causes those traits to be called twice in one build Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

thoughtbot/factory_bot#1560 · Opened Dec 12, 2022
documentation support for ActiveStorage attachments Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 28/100

thoughtbot/factory_bot#1559 · 2 comments · Opened Dec 8, 2022
Invalid Boolean value being stored when enabling eager_load = true in Test Env Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

thoughtbot/factory_bot#1558 · 1 comment · Opened Nov 22, 2022
Dynamically define unique methods for each factory Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

thoughtbot/factory_bot#1553 · 1 comment · 5 reactions · Opened Oct 31, 2022
Add Japanese translation of "GETTING_STARTED" Open

documentation feature

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

thoughtbot/factory_bot#1551 · 1 comment · Opened Sep 26, 2022
Populating an `hstore` in Factories causes a significant slowdown Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

thoughtbot/factory_bot#1549 · 1 comment · 1 reaction · Opened Sep 14, 2022
Generating nested attributes Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

thoughtbot/factory_bot#1545 · 1 comment · 2 reactions · Opened Jul 28, 2022
NoMethodError: undefined method 'to_sym' for CustomStrategy Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

thoughtbot/factory_bot#1536 · 5 comments · 1 reaction · Opened Apr 1, 2022
Expose defined factories Open

feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

thoughtbot/factory_bot#1534 · Opened Mar 15, 2022

thoughtbot/factory_bot

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