diff options
Diffstat (limited to 'activemodel/lib/active_model/validations/length.rb')
| -rw-r--r-- | activemodel/lib/active_model/validations/length.rb | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/activemodel/lib/active_model/validations/length.rb b/activemodel/lib/active_model/validations/length.rb index 40ebe0cd2e..3b0be96ac6 100644 --- a/activemodel/lib/active_model/validations/length.rb +++ b/activemodel/lib/active_model/validations/length.rb @@ -62,36 +62,37 @@ module ActiveModel module HelperMethods - # Validates that the specified attribute matches the length restrictions supplied. Only one option can be used at a time: + # Validates that the specified attribute matches the length restrictions + # supplied. Only one option can be used at a time: # # class Person < ActiveRecord::Base - # validates_length_of :first_name, :maximum => 30 - # validates_length_of :last_name, :maximum => 30, :message => "less than 30 if you don't mind" - # validates_length_of :fax, :in => 7..32, :allow_nil => true - # validates_length_of :phone, :in => 7..32, :allow_blank => true - # validates_length_of :user_name, :within => 6..20, :too_long => "pick a shorter name", :too_short => "pick a longer name" - # validates_length_of :zip_code, :minimum => 5, :too_short => "please enter at least 5 characters" - # validates_length_of :smurf_leader, :is => 4, :message => "papa is spelled with 4 characters... don't play me." - # validates_length_of :essay, :minimum => 100, :too_short => "Your essay must be at least 100 words.", - # :tokenizer => lambda { |str| str.scan(/\w+/) } + # validates_length_of :first_name, maximum: 30 + # validates_length_of :last_name, maximum: 30, message: "less than 30 if you don't mind" + # validates_length_of :fax, in: 7..32, allow_nil: true + # validates_length_of :phone, in: 7..32, allow_blank: true + # validates_length_of :user_name, within: 6..20, too_long: 'pick a shorter name', too_short: 'pick a longer name' + # validates_length_of :zip_code, minimum: 5, too_short: 'please enter at least 5 characters' + # validates_length_of :smurf_leader, is: 4, message: "papa is spelled with 4 characters... don't play me." + # validates_length_of :essay, minimum: 100, too_short: 'Your essay must be at least 100 words.', + # tokenizer: ->(str) { str.scan(/\w+/) } # end # # Configuration options: # * <tt>:minimum</tt> - The minimum size of the attribute. # * <tt>:maximum</tt> - The maximum size of the attribute. # * <tt>:is</tt> - The exact size of the attribute. - # * <tt>:within</tt> - A range specifying the minimum and maximum size of the - # attribute. - # * <tt>:in</tt> - A synonym(or alias) for <tt>:within</tt>. + # * <tt>:within</tt> - A range specifying the minimum and maximum size of + # the attribute. + # * <tt>:in</tt> - A synonym (or alias) for <tt>:within</tt>. # * <tt>:allow_nil</tt> - Attribute may be +nil+; skip validation. # * <tt>:allow_blank</tt> - Attribute may be blank; skip validation. # * <tt>:too_long</tt> - The error message if the attribute goes over the # maximum (default is: "is too long (maximum is %{count} characters)"). # * <tt>:too_short</tt> - The error message if the attribute goes under the # minimum (default is: "is too short (min is %{count} characters)"). - # * <tt>:wrong_length</tt> - The error message if using the <tt>:is</tt> method - # and the attribute is the wrong size (default is: "is the wrong length - # (should be %{count} characters)"). + # * <tt>:wrong_length</tt> - The error message if using the <tt>:is</tt> + # method and the attribute is the wrong size (default is: "is the wrong + # length (should be %{count} characters)"). # * <tt>:message</tt> - The error message to use for a <tt>:minimum</tt>, # <tt>:maximum</tt>, or <tt>:is</tt> violation. An alias of the appropriate # <tt>too_long</tt>/<tt>too_short</tt>/<tt>wrong_length</tt> message. @@ -99,16 +100,17 @@ module ActiveModel # 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. + # 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. + # 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>:tokenizer</tt> - Specifies how to split up the attribute string. - # (e.g. <tt>:tokenizer => lambda {|str| str.scan(/\w+/)}</tt> to count words - # as in above example). Defaults to <tt>lambda{ |value| value.split(//) }</tt> + # (e.g. <tt>tokenizer: ->(str) { str.scan(/\w+/) }</tt> to count words + # as in above example). Defaults to <tt>->(value) { value.split(//) }</tt> # which counts individual characters. # * <tt>:strict</tt> - Specifies whether validation should be strict. # See <tt>ActiveModel::Validation#validates!</tt> for more information. |