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Add documentation for validate options

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Oscar Del Ben 2012-04-26 10:09:12 +02:00
parent b2ccae466e
commit 26353b993b
1 changed files with 13 additions and 0 deletions
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13
activemodel/lib/active_model/validations.rb
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@ -128,6 +128,19 @@ def validates_each(*attr_names, &block)
# 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)