diff options
Diffstat (limited to 'activemodel/lib/active_model/validations')
| -rw-r--r-- | activemodel/lib/active_model/validations/validates.rb | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/activemodel/lib/active_model/validations/validates.rb b/activemodel/lib/active_model/validations/validates.rb index 172ca70c19..7ff42de00b 100644 --- a/activemodel/lib/active_model/validations/validates.rb +++ b/activemodel/lib/active_model/validations/validates.rb @@ -81,7 +81,7 @@ module ActiveModel # def validates(*attributes) defaults = attributes.extract_options! - validations = defaults.slice!(:if, :unless, :on, :allow_blank, :allow_nil) + validations = defaults.slice!(*_validates_default_keys) raise ArgumentError, "You need to supply at least one attribute" if attributes.empty? raise ArgumentError, "You need to supply at least one validation" if validations.empty? @@ -103,6 +103,12 @@ module ActiveModel protected + # When creating custom validators, it might be useful to be able to specify + # additional default keys. This can be done by overwriting this method. + def _validates_default_keys + [ :if, :unless, :on, :allow_blank, :allow_nil ] + end + def _parse_validates_options(options) #:nodoc: case options when TrueClass |