Class: RiotMongoMapper::HasValidationAssertion

Inherits:
Riot::AssertionMacro
  • Object
show all
Defined in:
lib/riot-mongo_mapper/has_validation.rb

Instance Method Summary collapse

Instance Method Details

#evaluate(model, *validation_macro_info) ⇒ Object



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# File 'lib/riot-mongo_mapper/has_validation.rb', line 5

def evaluate(model, *validation_macro_info)
  validation_type, validation_field, options = validation_macro_info
  type = validation_type.to_s

  %w{validates_ _of}.each { |part| type.gsub!(%r{#{part}},'') }

  validation = model._validators[validation_field].detect do |valid|
    valid.class.name =~ /#{type.camelize}/
  end

  options ||= {}

  case
    when validation_field.nil? || validation_type.nil?
      fail("validation field, type and potential options must be specified with this assertion macro")

    when validation.nil?
      fail("expected #{model} to have validation on #{validation_field} of type #{validation_type}")

    when (validation.class.name =~ %r{Length} and options[:within])
      range = options[:within].to_a
      if (validation.options[:minimum] == range.first) and (validation.options[:maximum] == range.last)
        pass("#{model} has '#{validation_type}' validation '#{validation_field}' with options #{options.inspect}")
      else
        fail("expected #{model} to have options #{options.inspect} on validation #{validation_type}")
      end

    else
      options_valid = options.all? { |key,value| validation.options[key] == value }
      if options_valid
        pass("#{model} has '#{validation_type}' validation '#{validation_field}' with options #{options.inspect}")
      else
        fail("expected #{model} to have options #{options.inspect} on validation #{validation_type}")
      end
  end
end