Class: Errapi::Validations::Type

Inherits:
Base
  • Object
show all
Defined in:
lib/errapi/validations/type.rb

Instance Method Summary collapse

Methods inherited from Base

#actual_option_value, #callable_option_type_error, #callable_option_value?, #callable_option_value_error, #exactly_one_option?

Constructor Details

#initialize(options = {}) ⇒ Type

Returns a new instance of Type.



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# File 'lib/errapi/validations/type.rb', line 4

def initialize options = {}
  unless key = exactly_one_option?(OPTIONS, options)
    raise ArgumentError, "One option among :instance_of, :kind_of, :is_a or :is_an must be supplied (but only one)."
  end

  if key == :instance_of
    @instance_of = check_types! options[key]
    raise ArgumentError, "Type aliases cannot be used with the :instance_of option. Use :kind_of, :is_a or :is_an." if options[key].kind_of? Symbol
  else
    @kind_of = check_types! options[key]
  end
end

Instance Method Details

#validate(value, context, options = {}) ⇒ Object 



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# File 'lib/errapi/validations/type.rb', line 17

def validate value, context, options = {}
  if @instance_of && @instance_of.none?{ |type| value.instance_of? type }
    context.add_error reason: :wrong_type, check_value: @instance_of, checked_value: value.class
  elsif @kind_of && @kind_of.none?{ |type| value.kind_of? type }
    context.add_error reason: :wrong_type, check_value: @kind_of, checked_value: value.class
  end
end