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authorVijay Dev <vijaydev.cse@gmail.com>2011-05-25 21:54:23 +0530
committerVijay Dev <vijaydev.cse@gmail.com>2011-05-25 22:17:36 +0530
commit34a05a701bb72aca2f482c4005af9cd9ea546afe (patch)
treef4057d70b29f7a4a60f815497e4126b214a6c0b7 /railties/guides
parentcc10dff1ad8f16386e860bd92fe930d2222ba695 (diff)
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changes validates_length_of to newer syntax
Diffstat (limited to 'railties/guides')
-rw-r--r--railties/guides/source/active_record_validations_callbacks.textile31
1 files changed, 14 insertions, 17 deletions
diff --git a/railties/guides/source/active_record_validations_callbacks.textile b/railties/guides/source/active_record_validations_callbacks.textile
index 618d02c9d3..fbafb23417 100644
--- a/railties/guides/source/active_record_validations_callbacks.textile
+++ b/railties/guides/source/active_record_validations_callbacks.textile
@@ -279,10 +279,10 @@ This helper validates the length of the attributes' values. It provides a variet
<ruby>
class Person < ActiveRecord::Base
- validates_length_of :name, :minimum => 2
- validates_length_of :bio, :maximum => 500
- validates_length_of :password, :in => 6..20
- validates_length_of :registration_number, :is => 6
+ validates :name, :length => { :minimum => 2 }
+ validates :bio, :length => { :maximum => 500 }
+ validates :password, :length => { :in => 6..20 }
+ validates :registration_number, :length => { :is => 6 }
end
</ruby>
@@ -297,8 +297,8 @@ The default error messages depend on the type of length validation being perform
<ruby>
class Person < ActiveRecord::Base
- validates_length_of :bio, :maximum => 1000,
- :too_long => "%{count} characters is the maximum allowed"
+ validates :bio, :length => { :maximum => 1000,
+ :too_long => "%{count} characters is the maximum allowed" }
end
</ruby>
@@ -306,12 +306,13 @@ This helper counts characters by default, but you can split the value in a diffe
<ruby>
class Essay < ActiveRecord::Base
- validates_length_of :content,
+ validates :content, :length => {
:minimum => 300,
:maximum => 400,
:tokenizer => lambda { |str| str.scan(/\w+/) },
:too_short => "must have at least %{count} words",
:too_long => "must have at most %{count} words"
+ }
end
</ruby>
@@ -483,7 +484,7 @@ The +:allow_blank+ option is similar to the +:allow_nil+ option. This option wil
<ruby>
class Topic < ActiveRecord::Base
- validates_length_of :title, :is => 5, :allow_blank => true
+ validates :title, :length => { :is => 5, :allow_blank => true }
end
Topic.create("title" => "").valid? # => true
@@ -559,7 +560,7 @@ Sometimes it is useful to have multiple validations use one condition, it can be
<ruby>
class User < ActiveRecord::Base
with_options :if => :is_admin? do |admin|
- admin.validates_length_of :password, :minimum => 10
+ admin.validates :password, :length => { :minimum => 10 }
admin.validates :email, :presence => true
end
end
@@ -622,8 +623,7 @@ Returns an OrderedHash with all errors. Each key is the attribute name and the v
<ruby>
class Person < ActiveRecord::Base
- validates :name, :presence => true
- validates_length_of :name, :minimum => 3
+ validates :name, :presence => true, :length => { :minimum => 3 }
end
person = Person.new
@@ -642,8 +642,7 @@ h4(#working_with_validation_errors-errors-2). +errors[]+
<ruby>
class Person < ActiveRecord::Base
- validates :name, :presence => true
- validates_length_of :name, :minimum => 3
+ validates :name, :presence => true, :length => { :minimum => 3 }
end
person = Person.new(:name => "John Doe")
@@ -718,8 +717,7 @@ The +clear+ method is used when you intentionally want to clear all the messages
<ruby>
class Person < ActiveRecord::Base
- validates :name, :presence => true
- validates_length_of :name, :minimum => 3
+ validates :name, :presence => true, :length => { :minimum => 3 }
end
person = Person.new
@@ -742,8 +740,7 @@ The +size+ method returns the total number of error messages for the object.
<ruby>
class Person < ActiveRecord::Base
- validates :name, :email, :presence => true
- validates_length_of :name, :minimum => 3
+ validates :name, :presence => true, :length => { :minimum => 3 }
end
person = Person.new