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Contents
require 'hermod/validators/base'
module Hermod
module Validators
# Checks the given value is in a predefined list of allowed values
class AllowedValues < Base
attr_reader :allowed_values
# Sets up the validator with the list of allowed values
def initialize(allowed_values)
@allowed_values = allowed_values
end
private
def test
value.blank? || allowed_values.include?(value)
end
def message
list_of_values = allowed_values.to_sentence(last_word_connector: ", or ", two_words_connector: " or ")
"must be one of #{list_of_values}, not #{value}"
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems