Extra matchers to test model validation

It will handle ajax validations.

Add more validation methods for ActiveRecord columns like email, url, and creditcard.

Reuse your Rails model validations on the client-side.

HMAC Validation for Rails.

Automatically pull validations out of your database and apply them to your models

Provides an ActiveModel validation that checks if an attribute represents a legal BSON::ObjectId .

Another validation library

Rumale::ModelSelection provides model validation techniques, such as k-fold cross-validation, time series cross-validation, and grid search, with Rumale interface.

ActiveModel validation for email. Including MX lookup and disposable email deny list

RSpec matches for Mongoid models, including association and validation matchers.

ActiveRecord provides validations on app level but it won't guarantee the consistent. In some cases, like `validates_uniqueness_of` it executes additional SQL query to the database and that is not very efficient. The main goal of the gem is to provide compatibility between database constraints a...

Provide an easy way to check the consistency of the database constraints with the application validations.

Parameter Validation and Type Coercion for Rails

Phone number validation

Send e-mail straight from forms in Rails with I18n, validations, attachments and request information.

Integrate the jQuery Validation plugin into the Rails asset pipeline

RSpec matches for Mongoid models, including association and validation matchers

RSpec matches for Mongoid models, including association and validation matchers

RSpec matches for Mongoid models, including association and validation matchers