Touch a parent's collection on ActiveRecord.

Password Validators including Dropbox ZXCVBN algorithim

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TPhases (Transactional Phases) is a support framework that helps you build your Rails request life cycles into read-only and write-only phases.

Small supporting units of Ruby to use with Rails

a lightweight, simplified, pure-ruby way to handle object model construction, similar to FactoryGirl.

Trakable provides audit logging and version tracking for ActiveRecord models with polymorphic whodunnit, changesets, and built-in retention

Track rake tasks in your Rails application.

A Rails test gem that exposes and marks the calls that touches the database (to help you find tests that hit the database)

Abstraction on top of searchkick to handle form inputs easily

Within one transaction, track changes to your models and see all state transitions.

Using nested-transactions to allow efficient, programmatic initialization of test data

Adds advisory locks that are automatically released at the end of a transaction.

Store attribute changes during ActiveRecord Transaction

Set transaction isolation level in the ActiveRecord in a database agnostic way. Works with MySQL, PostgreSQL and SQLite as long as you are using new adapters mysql2, pg or sqlite3. Supports all ANSI SQL isolation levels: :serializable, :repeatable_read, :read_committed, :read_uncommitted.

Adds :isolation_level option to ActiveRecord #transaction calls, as well as :minimum_isolation_level. Supports mysql and postgresql.

Functions to wrap and retry a code block when the DB declares a serialization failure or deadlock.

Retries database transaction on deadlock and transaction serialization errors. Supports MySQL, PostgreSQL and SQLite.

Assists your everyday re-encryption needs, in Rails.

This library is supposed to simplify rolling back transactions, preserving some data still stored.