Validatable is a library for adding validations.

Validation for serialized model objects

Rails Devs For Data Integrity catches unique key and foreign key violations coming from the MySQLdatabase and converts them into an error on the ActiveRecord object similar to validation errors

This gem allows you to pass in a EDIFACT string or file, and returns an array structure, to enable additional processing and validation

Adds validation methods to ActiveModel for validating phone numbers.

== DESCRIPTION: GOSS is a tool for validating a server's configuration. This kitchen plugin adds Goss support as a validation to test-kitchen. == FEATURES:

Makes ActiveRecord defer/postpone saving the records you add to an habtm (has_and_belongs_to_many) or has_many association until you call model.save, allowing validation in the style of normal attributes. Additionally you can check inside before_save ...

Rails API parameter validation

Simple and composable validation and coercion of data structures inspired by clojure specs

Optout helps you write code that will call exec() and system() like functions. It allows you to map hash keys to command line arguments and define validation rules that must be met before the command line options are created.

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

When IBAN validation is not enough

A Ruby API providing parsing, generation and validation of CAP(Common Alerting Protocol) messages.

A Ruby library for talking to the HMRC Government Gateway. This provides a builder for creating classes that can generate the XML needed complete with type information and runtime validation.

Parameter whitelisting for Sinatra. Provides validation, defaults, and post-processing.

A minimalist approach to managing object state, perhaps best described as "an enum with guard rails." Designed to work with `ActiveRecord` and `ActiveModel` classes, or anywhere where Rails validations are used.

This plugin adds extra validations to a host.

Explicit parameters validation and casting for Rails APIs

Provides Rails model services (such as validations) to non-ActiveRecord descendants.

A library for setting up model validations, such as in ActiveRecord.