CNPJ validation for ActiveModel

ActiveRecord extension. Allows to save record without calling callbacks and validations.

Schema-based validation and coercion for Ruby data structures, inspired by Prismatic/schema for Clojure.

Includes a couple of core functions such as callbacks, timestamping, typecasting and lots of generic validation routines.

Config. Defined as a class. Used as an instance. Support for inheritance and composition. Lazy instantiation. Thread-safe. Command-style DSL. Validation layer. Support for YAML, TOML, JSON, __END__, ENV. Extremely simple to define. Extremely simple to use.

Validations mixin for Ruby objects and support for Hanami

Post/zip code formatting and validation for the UK, US, CA and more.

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...

Add a validation filter to your controller.

Minimalist validation matcher

Validatable is a library for adding validations.

ActiveValidators is a collection of ActiveModel/ActiveRecord validations

Opt-in validations for your ActiveRecord models based on your MySQL database constraints, including text field size, UTF-8 encoding issues, and NOT NULL constraints.

Membrane provides an easy to use DSL for specifying validation logic declaratively.

ActiveRecord Tableless Models provides a simple mixin for creating models that are not bound to the database. This approach is useful for taking advantage of the features of ActiveRecord such as validation, relationships, etc.

Writing specs for complex validations is annoying. AcceptValuesFor makes iteasy to test your validations with real world values, asserting which valuesshould be accepted by your model and which should not.

When an ActiveRecord/ActiveModel model won't save because it's invalid, this gem writes the validation error messages to the log.

Handles application errors and model validations

Interactors are a pattern for structuring your business logic into units. They have a flexible context that they pass between them, which makes them easy-to-write, but hard-to-understand after you've written them. Much of this confusion comes from not knowing what the interactor is supposed to ta...

Allows defining structure of data and perform validation against it using json-schema