A collection of assertions for use with minitest and activerecord. Simplifies testing associations and validations by introspecting associations and validations for you models.

Ruby Gem to make a validation of a variable or a hash, based on regular expressions or own pre-defined validation templates in an easy way. See full documentation on GitHub.

Validation is an Either which can accumulate failures when used with the apply operator (*) and a Semigroup on the Left.

ShipEngine's easy-to-use REST API lets you manage all of your shipping needs without worrying about the complexities of different carrier APIs and protocols. We handle all the heavy lifting so you can focus on providing a first-class shipping experience for your customers at the best possible pri...

adds uniquness validation by using a design doc view

ActiveRecord style validations for Liquid content in your ActiveRecord models. See the README to get the lowdown.

SA VAT number validation

Ardm fork of dm-validations

The validation is to compare values between web page values and mobile api responses

Serializes ActiveRecord validations into JSON for use by rich-client apps.

Use database validations and convert ActiveRecord::StatementInvalid into ActiveRecord::RecordInvalid

A parser which converts dry-validation contract schema into a readable hash for further manipulation

Validacity adds an extra layer of validation objects where all your validation logic can be moved to.

named_validations names to arguments of active_model's validates method.

Ajax validation

Extension for default Rails validations. Adds some useful methods.

Composes validations onto properties of an object.

Client Side Validations for Rails 4

Validations for Ohm models

CPF validation for ActiveModel and Rails