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require "cases/helper"
require 'active_support/core_ext/object/instance_variables'
class SerializationTest < ActiveModel::TestCase
class User
include ActiveModel::Serialization
attr_accessor :name, :email, :gender, :address, :friends
def initialize(name, email, gender)
@name, @email, @gender = name, email, gender
@friends = []
end
def attributes
instance_values.except("address", "friends")
end
def foo
'i_am_foo'
end
end
class Address
include ActiveModel::Serialization
attr_accessor :street, :city, :state, :zip
def attributes
instance_values
end
end
setup do
@user = User.new('David', 'david@example.com', 'male')
@user.address = Address.new
@user.address.street = "123 Lane"
@user.address.city = "Springfield"
@user.address.state = "CA"
@user.address.zip = 11111
@user.friends = [User.new('Joe', 'joe@example.com', 'male'),
User.new('Sue', 'sue@example.com', 'female')]
end
def test_method_serializable_hash_should_work
expected = {"name"=>"David", "gender"=>"male", "email"=>"david@example.com"}
assert_equal expected , @user.serializable_hash
end
def test_method_serializable_hash_should_work_with_only_option
expected = {"name"=>"David"}
assert_equal expected , @user.serializable_hash(:only => [:name])
end
def test_method_serializable_hash_should_work_with_except_option
expected = {"gender"=>"male", "email"=>"david@example.com"}
assert_equal expected , @user.serializable_hash(:except => [:name])
end
def test_method_serializable_hash_should_work_with_methods_option
expected = {"name"=>"David", "gender"=>"male", :foo=>"i_am_foo", "email"=>"david@example.com"}
assert_equal expected , @user.serializable_hash(:methods => [:foo])
end
def test_method_serializable_hash_should_work_with_only_and_methods
expected = {:foo=>"i_am_foo"}
assert_equal expected , @user.serializable_hash(:only => [], :methods => [:foo])
end
def test_method_serializable_hash_should_work_with_except_and_methods
expected = {"gender"=>"male", :foo=>"i_am_foo"}
assert_equal expected , @user.serializable_hash(:except => [:name, :email], :methods => [:foo])
end
def test_should_not_call_methods_that_dont_respond
expected = {"name"=>"David", "gender"=>"male", "email"=>"david@example.com"}
assert_equal expected , @user.serializable_hash(:methods => [:bar])
end
def test_should_use_read_attribute_for_serialization
def @user.read_attribute_for_serialization(n)
"Jon"
end
expected = { "name" => "Jon" }
assert_equal expected, @user.serializable_hash(:only => :name)
end
def test_include_option_with_singular_association
expected = {"name"=>"David", "gender"=>"male", "email"=>"david@example.com",
:address=>{"street"=>"123 Lane", "city"=>"Springfield", "state"=>"CA", "zip"=>11111}}
assert_equal expected , @user.serializable_hash(:include => :address)
end
def test_include_option_with_plural_association
expected = {"email"=>"david@example.com", "gender"=>"male", "name"=>"David",
:friends=>[{"name"=>'Joe', "email"=>'joe@example.com', "gender"=>'male'},
{"name"=>'Sue', "email"=>'sue@example.com', "gender"=>'female'}]}
assert_equal expected , @user.serializable_hash(:include => :friends)
end
def test_include_option_with_empty_association
@user.friends = []
expected = {"email"=>"david@example.com", "gender"=>"male", "name"=>"David", :friends=>[]}
assert_equal expected , @user.serializable_hash(:include => :friends)
end
def test_multiple_includes
expected = {"email"=>"david@example.com", "gender"=>"male", "name"=>"David",
:address=>{"street"=>"123 Lane", "city"=>"Springfield", "state"=>"CA", "zip"=>11111},
:friends=>[{"name"=>'Joe', "email"=>'joe@example.com', "gender"=>'male'},
{"name"=>'Sue', "email"=>'sue@example.com', "gender"=>'female'}]}
assert_equal expected , @user.serializable_hash(:include => [:address, :friends])
end
def test_include_with_options
expected = {"email"=>"david@example.com", "gender"=>"male", "name"=>"David",
:address=>{"street"=>"123 Lane"}}
assert_equal expected , @user.serializable_hash(:include => {:address => {:only => "street"}})
end
def test_nested_include
@user.friends.first.friends = [@user]
expected = {"email"=>"david@example.com", "gender"=>"male", "name"=>"David",
:friends=>[{"name"=>'Joe', "email"=>'joe@example.com', "gender"=>'male',
:friends => [{"email"=>"david@example.com", "gender"=>"male", "name"=>"David"}]},
{"name"=>'Sue', "email"=>'sue@example.com', "gender"=>'female', :friends => []}]}
assert_equal expected , @user.serializable_hash(:include => {:friends => {:include => :friends}})
end
def test_only_include
expected = {"name"=>"David", :friends => [{"name" => "Joe"}, {"name" => "Sue"}]}
assert_equal expected , @user.serializable_hash(:only => :name, :include => {:friends => {:only => :name}})
end
def test_except_include
expected = {"name"=>"David", "email"=>"david@example.com",
:friends => [{"name" => 'Joe', "email" => 'joe@example.com'},
{"name" => "Sue", "email" => 'sue@example.com'}]}
assert_equal expected , @user.serializable_hash(:except => :gender, :include => {:friends => {:except => :gender}})
end
end
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