Class: WhyValidationsSuckIn96::ValidatesNumericality

Inherits:
Validation show all
Includes:
AttributeBasedValidation, SkippableValidation
Defined in:
lib/whyvalidationssuckin96/macros/validates_numericality.rb

Overview

Checks to see if a given attribute is a valid numerical value. Allows a certain degree of latitude in determining what is a valid numerical value, like allowing commas and spaces in the value for example.

Examples:

Default usage

setup_validations do
  validates_numericality_of :cost
end

Only allow integer values

setup_validations do
  validates_numericality_of :cost, :only_integer => true
end

Constant Summary collapse

DefaultOptions = 
{:message => "is not a numerical value"}
StripNonNumeric = 
/[^-+e\d.]/im
ValidNumericChars = 
/\A[-+e\d.,\s]+\Z/im

Instance Attribute Summary

Attributes inherited from Validation

#options, #validatable

Instance Method Summary collapse

Methods included from AttributeBasedValidation

#attribute, #attribute_value, #initialize, #validates?

Methods inherited from Validation

#failed?, #has_run?, #initialize, #message, new_subclass, #passed?, #validates?

Instance Method Details

#validate ⇒ Object 



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# File 'lib/whyvalidationssuckin96/macros/validates_numericality.rb', line 26

def validate
  super
  if options[:only_integer]
    validate_as_integer
  else
    validate_as_float
  end
end