diff options
Diffstat (limited to 'activemodel/lib/active_model/validations/validates.rb')
| -rw-r--r-- | activemodel/lib/active_model/validations/validates.rb | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/activemodel/lib/active_model/validations/validates.rb b/activemodel/lib/active_model/validations/validates.rb index 6c13d2b4a2..ecda9dffcf 100644 --- a/activemodel/lib/active_model/validations/validates.rb +++ b/activemodel/lib/active_model/validations/validates.rb @@ -69,14 +69,31 @@ module ActiveModel # validator's initializer as +options[:in]+ while other types including # regular expressions and strings are passed as +options[:with]+ # + # There is also a list of options that could be used along with validators: + # * <tt>:on</tt> - Specifies when this validation is active. Runs in all + # validation contexts by default (+nil+), other options are <tt>:create</tt> + # and <tt>:update</tt>. + # * <tt>:if</tt> - Specifies a method, proc or string to call to determine + # if the validation should occur (e.g. <tt>if: :allow_validation</tt>, + # or <tt>if: Proc.new { |user| user.signup_step > 2 }</tt>). The method, + # proc or string should return or evaluate to a +true+ or +false+ value. + # * <tt>:unless</tt> - Specifies a method, proc or string to call to determine + # if the validation should not occur (e.g. <tt>unless: :skip_validation</tt>, + # or <tt>unless: Proc.new { |user| user.signup_step <= 2 }</tt>). The + # method, proc or string should return or evaluate to a +true+ or + # +false+ value. + # * <tt>:strict</tt> - Specifies whether validation should be strict. + # See <tt>ActiveModel::Validation#validates!</tt> for more information. + # + # Example: + # + # validates :password, :presence => true, :confirmation => true, :if => :password_required? + # # Finally, the options +:if+, +:unless+, +:on+, +:allow_blank+, +:allow_nil+ and +:strict+ # can be given to one specific validator, as a hash: # # validates :password, :presence => { :if => :password_required? }, :confirmation => true # - # Or to all at the same time: - # - # validates :password, :presence => true, :confirmation => true, :if => :password_required? # def validates(*attributes) defaults = attributes.extract_options!.dup |