diff options
Diffstat (limited to 'activerecord/test/cases/aggregations_test.rb')
-rw-r--r-- | activerecord/test/cases/aggregations_test.rb | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/activerecord/test/cases/aggregations_test.rb b/activerecord/test/cases/aggregations_test.rb new file mode 100644 index 0000000000..5bd8f76ba2 --- /dev/null +++ b/activerecord/test/cases/aggregations_test.rb @@ -0,0 +1,158 @@ +require "cases/helper" +require 'models/customer' +require 'active_support/core_ext/exception' + +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_equal GpsLocation.new('39x110'), GpsLocation.new('39x110') + end + + def test_gps_inequality + assert_not_equal GpsLocation.new('39x110'), GpsLocation.new('39x111') + end + + def test_allow_nil_gps_is_nil + assert_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_nil customers(:david).gps_location + end + + def test_allow_nil_set_address_attributes_to_nil + customers(:zaphod).address = nil + assert_nil customers(:zaphod).attributes[:address_street] + assert_nil customers(:zaphod).attributes[:address_city] + assert_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_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_nil customers(:zaphod).address.street + end + + def test_nil_assignment_results_in_nil + customers(:david).gps_location = GpsLocation.new('39x111') + assert_not_nil customers(:david).gps_location + customers(:david).gps_location = nil + assert_nil customers(:david).gps_location + end + + def test_nil_return_from_converter_is_respected_when_allow_nil_is_true + customers(:david).non_blank_gps_location = "" + customers(:david).save + customers(:david).reload + assert_nil customers(:david).non_blank_gps_location + end + + def test_nil_return_from_converter_results_in_failure_when_allow_nil_is_false + assert_raises(NoMethodError) do + customers(:barney).gps_location = "" + end + end + + def test_do_not_run_the_converter_when_nil_was_set + customers(:david).non_blank_gps_location = nil + assert_nil Customer.gps_conversion_was_run + 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 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 |