JezK
Edit File: aggregations_test.rb
require "cases/helper" require 'models/customer' class AggregationsTest < ActiveRecord::TestCase fixtures :customers def test_find_single_value_object assert_equal 50, customers(:david).balance.amount assert_kind_of Money, customers(:david).balance assert_equal 300, customers(:david).balance.exchange_to("DKK").amount end def test_find_multiple_value_object assert_equal customers(:david).address_street, customers(:david).address.street assert( customers(:david).address.close_to?(Address.new("Different Street", customers(:david).address_city, customers(:david).address_country)) ) end def test_change_single_value_object customers(:david).balance = Money.new(100) customers(:david).save assert_equal 100, customers(:david).reload.balance.amount end def test_immutable_value_objects customers(:david).balance = Money.new(100) assert_raise(ActiveSupport::FrozenObjectError) { customers(:david).balance.instance_eval { @amount = 20 } } end def test_inferred_mapping assert_equal "35.544623640962634", customers(:david).gps_location.latitude assert_equal "-105.9309951055148", customers(:david).gps_location.longitude customers(:david).gps_location = GpsLocation.new("39x-110") assert_equal "39", customers(:david).gps_location.latitude assert_equal "-110", customers(:david).gps_location.longitude customers(:david).save customers(:david).reload assert_equal "39", customers(:david).gps_location.latitude assert_equal "-110", customers(:david).gps_location.longitude end def test_reloaded_instance_refreshes_aggregations assert_equal "35.544623640962634", customers(:david).gps_location.latitude assert_equal "-105.9309951055148", customers(:david).gps_location.longitude Customer.update_all("gps_location = '24x113'") customers(:david).reload assert_equal '24x113', customers(:david)['gps_location'] assert_equal GpsLocation.new('24x113'), customers(:david).gps_location end def test_gps_equality assert GpsLocation.new('39x110') == GpsLocation.new('39x110') end def test_gps_inequality assert GpsLocation.new('39x110') != GpsLocation.new('39x111') end def test_allow_nil_gps_is_nil assert_equal nil, customers(:zaphod).gps_location end def test_allow_nil_gps_set_to_nil customers(:david).gps_location = nil customers(:david).save customers(:david).reload assert_equal nil, customers(:david).gps_location end def test_allow_nil_set_address_attributes_to_nil customers(:zaphod).address = nil assert_equal nil, customers(:zaphod).attributes[:address_street] assert_equal nil, customers(:zaphod).attributes[:address_city] assert_equal nil, customers(:zaphod).attributes[:address_country] end def test_allow_nil_address_set_to_nil customers(:zaphod).address = nil customers(:zaphod).save customers(:zaphod).reload assert_equal nil, customers(:zaphod).address end def test_nil_raises_error_when_allow_nil_is_false assert_raise(NoMethodError) { customers(:david).balance = nil } end def test_allow_nil_address_loaded_when_only_some_attributes_are_nil customers(:zaphod).address_street = nil customers(:zaphod).save customers(:zaphod).reload assert_kind_of Address, customers(:zaphod).address assert customers(:zaphod).address.street.nil? end def test_nil_assignment_results_in_nil customers(:david).gps_location = GpsLocation.new('39x111') assert_not_equal nil, customers(:david).gps_location customers(:david).gps_location = nil assert_equal nil, customers(:david).gps_location end def test_custom_constructor assert_equal 'Barney GUMBLE', customers(:barney).fullname.to_s assert_kind_of Fullname, customers(:barney).fullname end def test_custom_converter customers(:barney).fullname = 'Barnoit Gumbleau' assert_equal 'Barnoit GUMBLEAU', customers(:barney).fullname.to_s assert_kind_of Fullname, customers(:barney).fullname end end class DeprecatedAggregationsTest < ActiveRecord::TestCase class Person < ActiveRecord::Base; end def test_conversion_block_is_deprecated assert_deprecated 'conversion block has been deprecated' do Person.composed_of(:balance, :class_name => "Money", :mapping => %w(balance amount)) { |balance| balance.to_money } end end def test_conversion_block_used_when_converter_option_is_nil assert_deprecated 'conversion block has been deprecated' do Person.composed_of(:balance, :class_name => "Money", :mapping => %w(balance amount)) { |balance| balance.to_money } end assert_raise(NoMethodError) { Person.new.balance = 5 } end def test_converter_option_overrides_conversion_block assert_deprecated 'conversion block has been deprecated' do Person.composed_of(:balance, :class_name => "Money", :mapping => %w(balance amount), :converter => Proc.new { |balance| Money.new(balance) }) { |balance| balance.to_money } end person = Person.new assert_nothing_raised { person.balance = 5 } assert_equal 5, person.balance.amount assert_kind_of Money, person.balance end end class OverridingAggregationsTest < ActiveRecord::TestCase class Name; end class DifferentName; end class Person < ActiveRecord::Base composed_of :composed_of, :mapping => %w(person_first_name first_name) end class DifferentPerson < Person composed_of :composed_of, :class_name => 'DifferentName', :mapping => %w(different_person_first_name first_name) end def test_composed_of_aggregation_redefinition_reflections_should_differ_and_not_inherited assert_not_equal Person.reflect_on_aggregation(:composed_of), DifferentPerson.reflect_on_aggregation(:composed_of) end end