diff options
Diffstat (limited to 'activemodel')
| -rw-r--r-- | activemodel/CHANGELOG.md | 21 | ||||
| -rw-r--r-- | activemodel/lib/active_model/validations.rb | 43 |
2 files changed, 64 insertions, 0 deletions
diff --git a/activemodel/CHANGELOG.md b/activemodel/CHANGELOG.md index 6ba0c7cd6b..62d684fd0b 100644 --- a/activemodel/CHANGELOG.md +++ b/activemodel/CHANGELOG.md @@ -1,5 +1,26 @@ ## Rails 4.0.0 (unreleased) ## +* Added a method so that validations can be easily cleared on a model. + For example: + + class Person + include ActiveModel::Validations + + validates_uniqueness_of :first_name + validate :cannot_be_robot + + def cannot_be_robot + errors.add(:base, 'A person cannot be a robot') if person_is_robot + end + end + + Now, if someone runs `Person.clear_validators!`, then the following occurs: + + Person.validators # => [] + Person._validate_callbacks.empty? # => true + + *John Wang* + * `has_secure_password` does not fail the confirmation validation when assigning empty String to `password` and `password_confirmation`. diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb index 2db4a25f61..72e3cf310a 100644 --- a/activemodel/lib/active_model/validations.rb +++ b/activemodel/lib/active_model/validations.rb @@ -169,6 +169,49 @@ module ActiveModel _validators.values.flatten.uniq end + # Clears all of the validators and validations. + # + # Note that this will clear anything that is being used to validate + # the model for both the +validates_with+ and +validate+ methods. + # It clears the validators that are created with an invocation of + # +validates_with+ and the callbacks that are set by an invocation + # of +validate+. + # + # class Person + # include ActiveModel::Validations + # + # validates_with MyValidator + # validates_with OtherValidator, on: :create + # validates_with StrictValidator, strict: true + # validate :cannot_be_robot + # + # def cannot_be_robot + # errors.add(:base, 'A person cannot be a robot') if person_is_robot + # end + # end + # + # Person.validators + # # => [ + # # #<MyValidator:0x007fbff403e808 @options={}>, + # # #<OtherValidator:0x007fbff403d930 @options={on: :create}>, + # # #<StrictValidator:0x007fbff3204a30 @options={strict:true}> + # # ] + # + # If one runs Person.clear_validators! and then checks to see what + # validators this class has, you would obtain: + # + # Person.validators # => [] + # + # Also, the callback set by +validate :cannot_be_robot+ will be erased + # so that: + # + # Person._validate_callbacks.empty? # => true + # + def clear_validators! + reset_callbacks(:validate) + _validators.clear + end + # List all validators that are being used to validate a specific attribute. # # class Person |