class Croesus::Validator::SimpleValidator

Author: Stefano Harding <riddopic@gmail.com>

Copyright © 2014 Stefano Harding

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Attributes

lambda[RW]

Public Class Methods

new(name, lambda) click to toggle source
Calls superclass method Croesus::Validator::Base::new
# File lib/croesus/validators/simple_validator.rb, line 23
def initialize(name, lambda)
  # lambda must accept one argument (the value)
  if lambda.arity != 1
    raise ValidationError.new(
      "Lambda should take only one argument; passed #{lambda.arity}"
    )
  end

  super(name)
  self.lambda = lambda
end

Public Instance Methods

validate(key, value, validations, errors) click to toggle source
# File lib/croesus/validators/simple_validator.rb, line 35
def validate(key, value, validations, errors)
  unless lambda.call(value)
    errors[key] = presence_error_message
  end
end