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Contents
require 'whyvalidationssuckin96/skippable_validation'
require 'whyvalidationssuckin96/attribute_based_validation'
module WhyValidationsSuckIn96
# Checks the validity of an attribute against a collection of excluded values.
#
# @example Default usage
# setup_validations do
# validates_exclusion_of :subdomain, :in => %w[www ftp]
# end
class ValidatesExclusion < Validation
include WhyValidationsSuckIn96::SkippableValidation
include WhyValidationsSuckIn96::AttributeBasedValidation
DefaultOptions = {:message => "is in the excluded collection"}
# @param [Object] validatable An object to be validated.
# @param [Hash] options The options to set up the validation with.
# @option options [#include?] :in A collection to check against for exclusion.
def initialize(validatable, options = {})
super
raise(ArgumentError, "Collection to check for exclusion against should be specified with :in") unless options[:in]
end
def validate
super
if options[:in].include?(attribute_value)
fail
else
pass
end
end
end # Validation
ValidationBuilder.register_macro :validates_exclusion_of, WhyValidationsSuckIn96::ValidatesExclusion
end # WhyValidationsSuckIn96
Version data entries
12 entries across 12 versions & 1 rubygems