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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_kind_of Fixnum, OverloadedType.last.overloaded_float
assert_equal 2.0, UnoverloadedType.last.overloaded_float
assert_kind_of Float, 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
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