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[ci skip] Add additional documentation to ActiveModel::Errors

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This commit is contained in:
Alex Kitchens 2016-06-22 15:45:11 -05:00
parent 23d15ddb46
commit 8305a09c5e
1 changed files with 12 additions and 1 deletions
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13
activemodel/lib/active_model/errors.rb
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@ -382,10 +382,21 @@ module ActiveModel
end end
# Returns +true+ if an error on the attribute with the given message is # Returns +true+ if an error on the attribute with the given message is
# present, +false+ otherwise. +message+ is treated the same as for +add+. # present, or +false+ otherwise. +message+ is treated the same as for +add+.
# #
# person.errors.add :name, :blank # person.errors.add :name, :blank
# person.errors.added? :name, :blank # => true # person.errors.added? :name, :blank # => true
# person.errors.added? :name, "can't be blank" # => true
#
# If the error message requires an option, then it returns +true+ with
# the correct option, or +false+ with an incorrect or missing option.
#
# person.errors.add :name, :too_long, { count: 25 }
# person.errors.added? :name, :too_long, count: 25 # => true
# person.errors.added? :name, :too_long, count: 24 # => false
# person.errors.added? :name, :too_long # => false
# person.errors.added? :name, "is too long (maximum is 25 characters)" # => true
# person.errors.added? :name, "is too long" # => false
def added?(attribute, message = :invalid, options = {}) def added?(attribute, message = :invalid, options = {})
message = message.call if message.respond_to?(:call) message = message.call if message.respond_to?(:call)
message = normalize_message(attribute, message, options) message = normalize_message(attribute, message, options)