require 'cases/helper' class OverloadedType < ActiveRecord::Base property :overloaded_float, Type::Integer.new property :overloaded_string_with_limit, Type::String.new(limit: 50) property :non_existent_decimal, Type::Decimal.new end class ChildOfOverloadedType < OverloadedType end class GrandchildOfOverloadedType < ChildOfOverloadedType property :overloaded_float, Type::Float.new end class UnoverloadedType < ActiveRecord::Base self.table_name = 'overloaded_types' end module ActiveRecord class CustomPropertiesTest < ActiveRecord::TestCase def test_overloading_types data = OverloadedType.new data.overloaded_float = "1.1" data.unoverloaded_float = "1.1" assert_equal 1, data.overloaded_float assert_equal 1.1, data.unoverloaded_float end def test_overloaded_properties_save data = OverloadedType.new data.overloaded_float = "2.2" data.save! data.reload assert_equal 2, data.overloaded_float assert_equal 2.0, UnoverloadedType.last.overloaded_float end def test_properties_assigned_in_constructor data = OverloadedType.new(overloaded_float: '3.3') assert_equal 3, data.overloaded_float end def test_overloaded_properties_with_limit assert_equal 50, OverloadedType.columns_hash['overloaded_string_with_limit'].limit assert_equal 255, UnoverloadedType.columns_hash['overloaded_string_with_limit'].limit end def test_nonexistent_property data = OverloadedType.new(non_existent_decimal: 1) assert_equal BigDecimal.new(1), data.non_existent_decimal assert_raise ActiveRecord::UnknownAttributeError do UnoverloadedType.new(non_existent_decimal: 1) end end def test_overloaded_properties_have_no_default data = OverloadedType.new unoverloaded_data = UnoverloadedType.new assert_nil data.overloaded_float assert unoverloaded_data.overloaded_float end def test_children_inherit_custom_properties data = ChildOfOverloadedType.new(overloaded_float: '4.4') assert_equal 4, data.overloaded_float end def test_children_can_override_parents data = GrandchildOfOverloadedType.new(overloaded_float: '4.4') assert_equal 4.4, data.overloaded_float end def test_overloading_properties_does_not_change_column_order column_names = OverloadedType.column_names assert_equal %w(id overloaded_float unoverloaded_float overloaded_string_with_limit non_existent_decimal), column_names end end end