Module: Aequitas::Rule::Length

Included in:
Dummy, Equal, Maximum, Minimum, Range
Defined in:
lib/aequitas/rule/length.rb,
lib/aequitas/rule/length/equal.rb,
lib/aequitas/rule/length/range.rb,
lib/aequitas/rule/length/maximum.rb,
lib/aequitas/rule/length/minimum.rb

Defined Under Namespace

Classes: Dummy, Equal, Maximum, Minimum, Range

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.new(attribute_name, options) ⇒ Object

TODO: move options normalization into the validator macros



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# File 'lib/aequitas/rule/length.rb', line 15

def self.new(attribute_name, options)
  options = options.dup

  equal   = options.values_at(:is,  :equals).compact.first
  range   = options.values_at(:in,  :within).compact.first
  minimum = options.values_at(:min, :minimum).compact.first
  maximum = options.values_at(:max, :maximum).compact.first

  if minimum && maximum
    range ||= minimum..maximum
  end

  if equal
    Length::Equal.new(attribute_name,   options.merge(:expected => equal))
  elsif range
    Length::Range.new(attribute_name,   options.merge(:range => range))
  elsif minimum
    Length::Minimum.new(attribute_name, options.merge(:bound => minimum))
  elsif maximum
    Length::Maximum.new(attribute_name, options.merge(:bound => maximum))
  else
    # raise ArgumentError, "expected one of :is, :equals, :within, :in, :minimum, :min, :maximum, or :max; got #{options.keys.inspect}"
    warn "expected length specification: one of :is, :equals, :in, :within, :min, :minimum, :max, or :maximum; got #{options.keys.inspect}"
    Length::Dummy.new(attribute_name, options)
  end
end

.rules_for(attribute_name, options) ⇒ Object

TODO: DRY this up (also implemented in Rule)



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# File 'lib/aequitas/rule/length.rb', line 10

def self.rules_for(attribute_name, options)
  Array(new(attribute_name, options))
end

Instance Method Details

#valid?(resource) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/aequitas/rule/length.rb', line 46

def valid?(resource)
  value = attribute_value(resource)

  skip?(value) || valid_length?(value_length(value.to_s))
end