Class: RiotMongoid::HasValidationAssertion

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

Instance Method Summary collapse

Instance Method Details

#evaluate(model, type, field, options = {}) ⇒ Object 



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

def evaluate(model, type, field, options = {})
  fail_msg = "expected #{model.class.to_s} to have validation '#{type} :#{field}'"
  pass_msg = "#{model.class.to_s} has validation '#{type} :#{field}'"
  opt_msg  = " with options #{options.inspect}"

  type = type.to_s.match(/validates_(.*)_of/)[1] rescue type.to_s

  validation = model._validators[field].detect { |v| v.class.name =~ /#{type.camelize}/ }

  return fail(fail_msg) if validation.nil?

  # special case to check for validates_length_of :within option
  if 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)
      return pass(pass_msg + opt_msg)
    else
      return fail(fail_msg + opt_msg)
    end
  end

  unless options.empty?
    return fail(fail_msg + opt_msg) unless options.all? { |k,v| validation.options[k] == v }
    return pass(pass_msg + opt_msg)
  end

  pass pass_msg
end