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require "active_model"
class Customer < Struct.new(:name, :id)
extend ActiveModel::Naming
include ActiveModel::Conversion
undef_method :to_json
def to_xml(options={})
if options[:builder]
options[:builder].name name
else
"<name>#{name}</name>"
end
end
def to_js(options={})
"name: #{name.inspect}"
end
alias :to_text :to_js
def errors
[]
end
def persisted?
id.present?
end
end
class BadCustomer < Customer
end
class GoodCustomer < Customer
end
module Quiz
class Question < Struct.new(:name, :id)
extend ActiveModel::Naming
include ActiveModel::Conversion
def persisted?
id.present?
end
end
class Store < Question
end
end
class Post < Struct.new(:title, :author_name, :body, :secret, :written_on, :cost)
extend ActiveModel::Naming
include ActiveModel::Conversion
extend ActiveModel::Translation
alias_method :secret?, :secret
def initialize(*args)
super
@persisted = false
end
def persisted=(boolean)
@persisted = boolean
end
def persisted?
@persisted
end
attr_accessor :author
def author_attributes=(attributes); end
attr_accessor :comments, :comment_ids
def comments_attributes=(attributes); end
attr_accessor :tags
def tags_attributes=(attributes); end
end
class Comment
extend ActiveModel::Naming
include ActiveModel::Conversion
attr_reader :id
attr_reader :post_id
def initialize(id = nil, post_id = nil); @id, @post_id = id, post_id end
def to_key; id ? [id] : nil end
def save; @id = 1; @post_id = 1 end
def persisted?; @id.present? end
def to_param; @id.to_s; end
def name
@id.nil? ? "new #{self.class.name.downcase}" : "#{self.class.name.downcase} ##{@id}"
end
attr_accessor :relevances
def relevances_attributes=(attributes); end
attr_accessor :body
end
class Tag
extend ActiveModel::Naming
include ActiveModel::Conversion
attr_reader :id
attr_reader :post_id
def initialize(id = nil, post_id = nil); @id, @post_id = id, post_id end
def to_key; id ? [id] : nil end
def save; @id = 1; @post_id = 1 end
def persisted?; @id.present? end
def to_param; @id; end
def value
@id.nil? ? "new #{self.class.name.downcase}" : "#{self.class.name.downcase} ##{@id}"
end
attr_accessor :relevances
def relevances_attributes=(attributes); end
end
class CommentRelevance
extend ActiveModel::Naming
include ActiveModel::Conversion
attr_reader :id
attr_reader :comment_id
def initialize(id = nil, comment_id = nil); @id, @comment_id = id, comment_id end
def to_key; id ? [id] : nil end
def save; @id = 1; @comment_id = 1 end
def persisted?; @id.present? end
def to_param; @id; end
def value
@id.nil? ? "new #{self.class.name.downcase}" : "#{self.class.name.downcase} ##{@id}"
end
end
class Sheep
extend ActiveModel::Naming
include ActiveModel::Conversion
attr_reader :id
def to_key; id ? [id] : nil end
def save; @id = 1 end
def new_record?; @id.nil? end
def name
@id.nil? ? 'new sheep' : "sheep ##{@id}"
end
end
class TagRelevance
extend ActiveModel::Naming
include ActiveModel::Conversion
attr_reader :id
attr_reader :tag_id
def initialize(id = nil, tag_id = nil); @id, @tag_id = id, tag_id end
def to_key; id ? [id] : nil end
def save; @id = 1; @tag_id = 1 end
def persisted?; @id.present? end
def to_param; @id; end
def value
@id.nil? ? "new #{self.class.name.downcase}" : "#{self.class.name.downcase} ##{@id}"
end
end
class Author < Comment
attr_accessor :post
def post_attributes=(attributes); end
end
module Blog
def self._railtie
self
end
class Post < Struct.new(:title, :id)
extend ActiveModel::Naming
include ActiveModel::Conversion
def persisted?
id.present?
end
end
end
class ArelLike
def to_ary
true
end
def each
a = Array.new(2) { |id| Comment.new(id + 1) }
a.each { |i| yield i }
end
end
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