def test__set_name__calling_twice_with_same_name_is_ok(self):
class Owner:
pass
prop = MagicProperty(abstract=MyCls,
default_value=AnnotationHint.NO_DEFAULT_VALUE)
prop.__set_name__(Owner, "myprop")
prop.__set_name__(Owner, "myprop")
def test__set_name__sets_name(self):
class Owner:
pass
prop = MagicProperty(abstract=MyCls,
default_value=AnnotationHint.NO_DEFAULT_VALUE)
prop.__set_name__(Owner, "myprop")
assert prop.name == "myprop"
def test__get__result_is_not_cached_per_type(self, mock_get_container):
class Owner:
pass
prop = MagicProperty(abstract=MyCls,
default_value=AnnotationHint.NO_DEFAULT_VALUE)
prop.__set_name__(Owner, "prop")
Owner.prop = prop
mock_get_container.return_value = Container()
owner_1_prop = Owner().prop
owner_2_prop = Owner().prop
assert owner_1_prop is not owner_2_prop
def test__get__uses_container_to_make(self, mock_get_container):
class Owner:
pass
prop = MagicProperty(abstract=MyCls,
default_value=AnnotationHint.NO_DEFAULT_VALUE)
prop.__set_name__(Owner, "prop")
Owner.prop = prop
singleton_obj = MyCls()
container = Container()
mock_get_container.return_value = container
container.bind_instance(MyCls, singleton_obj)
owners_prop = Owner().prop
assert owners_prop is singleton_obj
def test__get__raises_if_not_assigned_name(self):
class Owner:
pass
Owner.prop = MagicProperty(
abstract=MyCls, default_value=AnnotationHint.NO_DEFAULT_VALUE)
with pytest.raises(TypeError, match="has not been assigned a name"):
Owner().prop
def test__set_name__raises_if_name_mismatch(self):
class Owner:
pass
prop = MagicProperty(abstract=MyCls,
default_value=AnnotationHint.NO_DEFAULT_VALUE)
prop.__set_name__(Owner, "myprop")
with pytest.raises(TypeError, match="two different names"):
prop.__set_name__(Owner, "otherprop")
class Owner:
obj = MagicProperty(abstract=MyCls,
default_value=AnnotationHint.NO_DEFAULT_VALUE)