instance method
invalid?
Ruby on Rails 4.2.9
Since v3.0.20Signature
invalid?(context = nil)Performs the opposite of valid?. Returns true if errors were added, false otherwise.
class Person
include ActiveModel::Validations
attr_accessor :name
validates_presence_of :name
end
person = Person.new
person.name = ''
person.invalid? # => true
person.name = 'david'
person.invalid? # => false
Context can optionally be supplied to define which callbacks to test against (the context is defined on the validations using :on).
class Person
include ActiveModel::Validations
attr_accessor :name
validates_presence_of :name, on: :new
end
person = Person.new
person.invalid? # => false
person.invalid?(:new) # => true
Parameters
-
contextopt = nil
Source
# File activemodel/lib/active_model/validations.rb, line 374
def invalid?(context = nil)
!valid?(context)
end
Defined in activemodel/lib/active_model/validations.rb line 374
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Defined in ActiveModel::Validations