The purpose of the builder object is to create a layer of abstraction between the controller and models in a Rails application. The builder is particularly useful for receiving complex post and put requests with multiple parameters, but is lightweight enough to use for simple writes when some fil...

Faraday middleware for validation by OpenAPI

A gem for validation, without all the dependencies.

Find models in database which violate Active Record validation rules. Invalid models may raise unexpected error when updated.

Simple DSL to validate params (and coerce them to the desired type) that fall outside of Rails' default parameter whitelisting and ActiveModel validations system. The common use cases are searching and sorting, whether from an HTML form or via a JSON API.

A rails form helper and builder for use with Twitter's Bootstrap. It wraps form elements with the DOM necessary to render them correctly using Bootstrap and automatically renders validation errors using Bootstrap.

LCN (Location Condition Notation) provides a rule-agnostic format for describing location conditions in abstract strategy board games. This gem implements the LCN Specification v1.0.0 with a modern Ruby interface featuring immutable condition objects and functional programming principles. LCN ena...

Core classes for data validation with contracts approach (using Either + Writer monad combination & ADT for composition)

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

Like with_options but merges :if and :unless conditions. Convenient for Active Model or Active Record validations and callbacks.

Easy validation of deeply-nested hashes

This gem allows to generate JsonSchema thanks to a Builder class or an ActiveRecord serialization class. It can be used in Rails 4, 5 or Ruby standalone projects. The output validation is done agains json-schema.

Validaty has basic validations for Rails application

Simple value object gem with straighforward type validation

Provide validations from ActiveRecord schema information.

CouchRest::ExtendedDocument provides aditional features to the standard CouchRest::Document class such as properties, view designs, callbacks, typecasting and validations.

Yet another CSV parser with CSV header validation, based on CCSV (http://github.com/fauna/ccsv/).

Push new specifications to a spec-repo without lint validation

Provides a small persistence framework, including models (programmatic description of entities), validation rules and relationships between models.

QAT Devel is a tool for executing common tasks in the development of QAT modules: - DoD metric validation - Code Coverage - Code Documentation - Code Quality - (more coming soon...)