rails--rails/activemodel/test/cases/serializers/xml_serialization_test.rb

require 'cases/helper'
require 'models/contact'
require 'active_support/core_ext/object/instance_variables'
require 'ostruct'
require 'yaml'

module Admin
  class Contact < ::Contact
  end
end

class Customer < Struct.new(:name)
end

class Address
  include ActiveModel::Serializers::Xml

  attr_accessor :street, :city, :state, :zip, :apt_number

  def attributes
    instance_values
  end
end

class SerializableContact < Contact
  def serializable_hash(options={})
    super(options.merge(only: [:name, :age]))
  end
end

class XmlSerializationTest < ActiveModel::TestCase
  def setup
    @contact = Contact.new
    @contact.name = 'aaron stack'
    @contact.age = 25
    @contact.created_at = Time.utc(2006, 8, 1)
    @contact.awesome = false
    customer = Customer.new
    customer.name = "John"
    @contact.preferences = customer
    @contact.address = Address.new
    @contact.address.city = "Springfield"
    @contact.address.apt_number = 35
    @contact.friends = [Contact.new, Contact.new]
    @contact.contact = SerializableContact.new
  end

  test "should serialize default root" do
    xml = @contact.to_xml
    assert_match %r{^<contact>},  xml
    assert_match %r{</contact>$}, xml
  end

  test "should serialize namespaced root" do
    xml = Admin::Contact.new(@contact.attributes).to_xml
    assert_match %r{^<contact>},  xml
    assert_match %r{</contact>$}, xml
  end

  test "should serialize default root with namespace" do
    xml = @contact.to_xml namespace: "http://xml.rubyonrails.org/contact"
    assert_match %r{^<contact xmlns="http://xml.rubyonrails.org/contact">}, xml
    assert_match %r{</contact>$}, xml
  end

  test "should serialize custom root" do
    xml = @contact.to_xml root: 'xml_contact'
    assert_match %r{^<xml-contact>},  xml
    assert_match %r{</xml-contact>$}, xml
  end

  test "should allow undasherized tags" do
    xml = @contact.to_xml root: 'xml_contact', dasherize: false
    assert_match %r{^<xml_contact>},  xml
    assert_match %r{</xml_contact>$}, xml
    assert_match %r{<created_at},     xml
  end

  test "should allow camelized tags" do
    xml = @contact.to_xml root: 'xml_contact', camelize: true
    assert_match %r{^<XmlContact>},  xml
    assert_match %r{</XmlContact>$}, xml
    assert_match %r{<CreatedAt},     xml
  end

  test "should allow lower-camelized tags" do
    xml = @contact.to_xml root: 'xml_contact', camelize: :lower
    assert_match %r{^<xmlContact>},  xml
    assert_match %r{</xmlContact>$}, xml
    assert_match %r{<createdAt},     xml
  end

  test "should use serializable hash" do
    @contact = SerializableContact.new
    @contact.name = 'aaron stack'
    @contact.age = 25

    xml = @contact.to_xml
    assert_match %r{<name>aaron stack</name>}, xml
    assert_match %r{<age type="integer">25</age>}, xml
    assert_no_match %r{<awesome>}, xml
  end

  test "should allow skipped types" do
    xml = @contact.to_xml skip_types: true
    assert_match %r{<age>25</age>}, xml
  end

  test "should include yielded additions" do
    xml_output = @contact.to_xml do |xml|
      xml.creator "David"
    end
    assert_match %r{<creator>David</creator>}, xml_output
  end

  test "should serialize string" do
    assert_match %r{<name>aaron stack</name>}, @contact.to_xml
  end

  test "should serialize nil" do
    assert_match %r{<pseudonyms nil="true"/>}, @contact.to_xml(methods: :pseudonyms)
  end

  test "should serialize integer" do
    assert_match %r{<age type="integer">25</age>}, @contact.to_xml
  end

  test "should serialize datetime" do
    assert_match %r{<created-at type="dateTime">2006-08-01T00:00:00Z</created-at>}, @contact.to_xml
  end

  test "should serialize boolean" do
    assert_match %r{<awesome type="boolean">false</awesome>}, @contact.to_xml
  end

  test "should serialize array" do
    assert_match %r{<social type="array">\s*<social>twitter</social>\s*<social>github</social>\s*</social>}, @contact.to_xml(methods: :social)
  end

  test "should serialize hash" do
    assert_match %r{<network>\s*<git type="symbol">github</git>\s*</network>}, @contact.to_xml(methods: :network)
  end

  test "should serialize yaml" do
    assert_match %r{<preferences type="yaml">--- !ruby/struct:Customer(\s*)\nname: John\n</preferences>}, @contact.to_xml
  end

  test "should call proc on object" do
    proc = Proc.new { |options| options[:builder].tag!('nationality', 'unknown') }
    xml = @contact.to_xml(procs: [ proc ])
    assert_match %r{<nationality>unknown</nationality>}, xml
  end

  test "should supply serializable to second proc argument" do
    proc = Proc.new { |options, record| options[:builder].tag!('name-reverse', record.name.reverse) }
    xml = @contact.to_xml(procs: [ proc ])
    assert_match %r{<name-reverse>kcats noraa</name-reverse>}, xml
  end

  test "should serialize string correctly when type passed" do
    xml = @contact.to_xml type: 'Contact'
    assert_match %r{<contact type="Contact">}, xml
    assert_match %r{<name>aaron stack</name>}, xml
  end

  test "include option with singular association" do
    xml = @contact.to_xml include: :address, indent: 0
    assert xml.include?(@contact.address.to_xml(indent: 0, skip_instruct: true))
  end

  test "include option with plural association" do
    xml = @contact.to_xml include: :friends, indent: 0
    assert_match %r{<friends type="array">}, xml
    assert_match %r{<friend type="Contact">}, xml
  end

  class FriendList
    def initialize(friends)
      @friends = friends
    end

    def to_ary
      @friends
    end
  end

  test "include option with ary" do
    @contact.friends = FriendList.new(@contact.friends)
    xml = @contact.to_xml include: :friends, indent: 0
    assert_match %r{<friends type="array">}, xml
    assert_match %r{<friend type="Contact">}, xml
  end

  test "multiple includes" do
    xml = @contact.to_xml indent: 0, skip_instruct: true, include: [ :address, :friends ]
    assert xml.include?(@contact.address.to_xml(indent: 0, skip_instruct: true))
    assert_match %r{<friends type="array">}, xml
    assert_match %r{<friend type="Contact">}, xml
  end

  test "include with options" do
    xml = @contact.to_xml indent: 0, skip_instruct: true, include: { address: { only: :city } }
    assert xml.include?(%(><address><city>Springfield</city></address>))
  end

  test "propagates skip_types option to included associations" do
    xml = @contact.to_xml include: :friends, indent: 0, skip_types: true
    assert_match %r{<friends>}, xml
    assert_match %r{<friend>}, xml
  end

  test "propagates skip-types option to included associations and attributes" do
    xml = @contact.to_xml skip_types: true, include: :address, indent: 0
    assert_match %r{<address>}, xml
    assert_match %r{<apt-number>}, xml
  end

  test "propagates camelize option to included associations and attributes" do
    xml = @contact.to_xml camelize: true, include: :address, indent: 0
    assert_match %r{<Address>}, xml
    assert_match %r{<AptNumber type="integer">}, xml
  end

  test "propagates dasherize option to included associations and attributes" do
    xml = @contact.to_xml dasherize: false, include: :address, indent: 0
    assert_match %r{<apt_number type="integer">}, xml
  end

  test "don't propagate skip_types if skip_types is defined at the included association level" do
    xml = @contact.to_xml skip_types: true, include: { address: { skip_types: false } }, indent: 0
    assert_match %r{<address>}, xml
    assert_match %r{<apt-number type="integer">}, xml
  end

  test "don't propagate camelize if camelize is defined at the included association level" do
    xml = @contact.to_xml camelize: true, include: { address: { camelize: false } }, indent: 0
    assert_match %r{<address>}, xml
    assert_match %r{<apt-number type="integer">}, xml
  end

  test "don't propagate dasherize if dasherize is defined at the included association level" do
    xml = @contact.to_xml dasherize: false, include: { address: { dasherize: true } }, indent: 0
    assert_match %r{<address>}, xml
    assert_match %r{<apt-number type="integer">}, xml
  end

  test "association with sti" do
    xml = @contact.to_xml(include: :contact)
    assert xml.include?(%(<contact type="SerializableContact">))
  end
end