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| -rw-r--r-- | activemodel/lib/active_model/validations.rb | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb index ebb0dbb1ca..b5e9d7514a 100644 --- a/activemodel/lib/active_model/validations.rb +++ b/activemodel/lib/active_model/validations.rb @@ -128,6 +128,19 @@ module ActiveModel # end # end # + # Options: + # * <tt>:on</tt> - Specifies the context where this validation is active + # (e.g. <tt>:on => :create</tt> or <tt>:on => :custom_validation_context</tt>) + # * <tt>:allow_nil</tt> - Skip validation if attribute is +nil+. + # * <tt>:allow_blank</tt> - Skip validation if attribute is blank. + # * <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. def validate(*args, &block) options = args.extract_options! if options.key?(:on) |