class Attribool::Validators::MethodNameValidator

Ensures that if multiple attributes are being defined, and method_name is provided, that method_name is a Proc.

Public Class Methods

new(method_name, number_of_attributes) click to toggle source

Construct the validator.

@param [Attribool::Attribute] *items

# File lib/attribool/validators/method_name_validator.rb, line 12
def initialize(method_name, number_of_attributes)
  @method_name = method_name
  @number_of_attributes = number_of_attributes
end

Public Instance Methods

error() click to toggle source

The exception to raise if validations fail.

@return [ArgumentError] the exception with message

# File lib/attribool/validators/method_name_validator.rb, line 27
def error
  ArgumentError.new("Must use a Proc when creating multiple methods")
end

valid?() click to toggle source

Is there either one attribute, or is method_name nil or a Proc?

# File lib/attribool/validators/method_name_validator.rb, line 19
def valid?
  @number_of_attributes == 1 || nil_or_proc?
end