RSpec
Ruby on Rails
Ruby
method
validates_length_of
Ruby on Rails latest stable (v7.1.3.2)
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1 note -
Class: ActiveRecord::Validations::ClassMethods
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- What's this?
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condition_block?
(<= v2.0.3)
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create!
(<= v4.1.8)
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evaluate_condition
(<= v2.0.3)
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validate
(<= v2.0.3)
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validate_on_create
(<= v2.0.3)
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validate_on_update
(<= v2.0.3)
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validates_absence_of
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validates_acceptance_of
(<= v2.3.8)
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validates_associated
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validates_confirmation_of
(<= v2.3.8)
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validates_each
(<= v2.3.8)
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validates_exclusion_of
(<= v2.3.8)
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validates_format_of
(<= v2.3.8)
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validates_inclusion_of
(<= v2.3.8)
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validates_length_of
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validates_numericality_of
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validates_presence_of
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validates_size_of
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validates_uniqueness_of
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validation_method
(<= v2.3.8)
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write_inheritable_set
(<= v2.0.3)
= private
= protected
validates_length_of(*attr_names)
public
Validates that the specified attributes match the length restrictions supplied. If the attribute is an association, records that are marked for destruction are not counted.
See ActiveModel::Validations::HelperMethods.validates_length_of for more information.
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sjmadsen -
March 13, 2010
sjmadsen -
March 13, 2010
3 thanks
Can be used with has_many associations
You can also use this to validate that a has_many association has a specified number of records on the other end:
has_many :members validates_length_of :members, :minimum => 1
