instance method `invalid?`

Ruby on Rails edge

Since v3.0.20

Compare with: (choosing a version navigates to the comparison)

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

Source

# File activemodel/lib/active_model/validations.rb, line 460
    def invalid?(context = nil)
      !valid?(context)
    end

Defined in activemodel/lib/active_model/validations.rb line 460 · View on GitHub · Improve this page · Find usages on GitHub