diff options
Diffstat (limited to 'activemodel/lib/active_model/errors.rb')
| -rw-r--r-- | activemodel/lib/active_model/errors.rb | 77 |
1 files changed, 66 insertions, 11 deletions
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb index ef6141a51d..9a55336902 100644 --- a/activemodel/lib/active_model/errors.rb +++ b/activemodel/lib/active_model/errors.rb @@ -71,8 +71,8 @@ module ActiveModel # end def initialize(base) @base = base - @messages = Hash.new { |messages, attribute| messages[attribute] = [] } - @details = Hash.new { |details, attribute| details[attribute] = [] } + @messages = apply_default_array({}) + @details = apply_default_array({}) end def initialize_dup(other) # :nodoc: @@ -110,7 +110,7 @@ module ActiveModel # person.errors.include?(:name) # => true # person.errors.include?(:age) # => false def include?(attribute) - messages[attribute].present? + messages.key?(attribute) && messages[attribute].present? end alias :has_key? :include? alias :key? :include? @@ -160,6 +160,15 @@ module ActiveModel # # person.errors[:name] # => ["cannot be nil"] # person.errors['name'] # => ["cannot be nil"] + # + # Note that, if you try to get errors of an attribute which has + # no errors associated with it, this method will instantiate + # an empty error list for it and +keys+ will return an array + # of error keys which includes this attribute. + # + # person.errors.keys # => [] + # person.errors[:name] # => [] + # person.errors.keys # => [:name] def [](attribute) messages[attribute.to_sym] end @@ -301,9 +310,9 @@ module ActiveModel # <tt>:strict</tt> option can also be set to any other exception. # # person.errors.add(:name, :invalid, strict: true) - # # => ActiveModel::StrictValidationFailed: name is invalid + # # => ActiveModel::StrictValidationFailed: Name is invalid # person.errors.add(:name, :invalid, strict: NameIsInvalid) - # # => NameIsInvalid: name is invalid + # # => NameIsInvalid: Name is invalid # # person.errors.messages # => {} # @@ -318,7 +327,7 @@ module ActiveModel # # => {:base=>[{error: :name_or_email_blank}]} def add(attribute, message = :invalid, options = {}) message = message.call if message.respond_to?(:call) - detail = normalize_detail(attribute, message, options) + detail = normalize_detail(message, options) message = normalize_message(attribute, message, options) if exception = options[:strict] exception = ActiveModel::StrictValidationFailed if exception == true @@ -337,7 +346,7 @@ module ActiveModel # # => {:name=>["can't be empty"]} def add_on_empty(attributes, options = {}) ActiveSupport::Deprecation.warn(<<-MESSAGE.squish) - ActiveModel::Errors#add_on_empty is deprecated and will be removed in Rails 5.1 + ActiveModel::Errors#add_on_empty is deprecated and will be removed in Rails 5.1. To achieve the same use: @@ -359,7 +368,7 @@ module ActiveModel # # => {:name=>["can't be blank"]} def add_on_blank(attributes, options = {}) ActiveSupport::Deprecation.warn(<<-MESSAGE.squish) - ActiveModel::Errors#add_on_blank is deprecated and will be removed in Rails 5.1 + ActiveModel::Errors#add_on_blank is deprecated and will be removed in Rails 5.1. To achieve the same use: @@ -373,10 +382,21 @@ module ActiveModel end # 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.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 = {}) message = message.call if message.respond_to?(:call) message = normalize_message(attribute, message, options) @@ -477,12 +497,23 @@ module ActiveModel default: defaults, model: @base.model_name.human, attribute: @base.class.human_attribute_name(attribute), - value: value + value: value, + object: @base }.merge!(options) I18n.translate(key, options) end + def marshal_dump + [@base, without_default_proc(@messages), without_default_proc(@details)] + end + + def marshal_load(array) + @base, @messages, @details = array + apply_default_array(@messages) + apply_default_array(@details) + end + private def normalize_message(attribute, message, options) case message @@ -493,9 +524,20 @@ module ActiveModel end end - def normalize_detail(attribute, message, options) + def normalize_detail(message, options) { error: message }.merge(options.except(*CALLBACKS_OPTIONS + MESSAGE_OPTIONS)) end + + def without_default_proc(hash) + hash.dup.tap do |new_h| + new_h.default_proc = nil + end + end + + def apply_default_array(hash) + hash.default_proc = proc { |h, key| h[key] = [] } + hash + end end # Raised when a validation cannot be corrected by end users and are considered @@ -516,7 +558,20 @@ module ActiveModel class StrictValidationFailed < StandardError end + # Raised when attribute values are out of range. + class RangeError < ::RangeError + end + # Raised when unknown attributes are supplied via mass assignment. + # + # class Person + # include ActiveModel::AttributeAssignment + # include ActiveModel::Validations + # end + # + # person = Person.new + # person.assign_attributes(name: 'Gorby') + # # => ActiveModel::UnknownAttributeError: unknown attribute 'name' for Person. class UnknownAttributeError < NoMethodError attr_reader :record, :attribute |