def test_all_mappings_yields_all_mappings():
x = ClassMap()
x[object] = 1
x[BC] = 2
x[B] = 3
x[C] = 4
x[A] = 5
assert list(x.all_mappings(BC)) == [2, 3, 4, 5, 1]
def test_prefers_first_parent_in_mro():
x = ClassMap()
x[C] = 3
x[B] = 2
assert x[BC] == 2
def test_grand_parent_values_will_be_used_if_child_is_not_set():
x = ClassMap()
x[A] = 1
assert x[B] == 1
def test_setting_child_does_not_set_parent():
x = ClassMap()
x[B] = 1
with pytest.raises(KeyError):
x[A]
def test_child_values_will_be_used_if_set():
x = ClassMap()
x[A] = 1
x[B] = 2
assert x[B] == 2
def test_can_set_and_lookup_class():
x = ClassMap()
x[A] = 1
assert x[A] == 1
def __init__(self):
self.mapping = ClassMap()
self.static_mapping = ClassMap()
def __init__(self):
self.mapping = ClassMap()
def __init__(self, prototype=None):
self.value_mappers = {}
self.instance_mappers = ClassMap()
self.__prototype = prototype
self.__descriptor_cache = {}