def test_deleting_sets_to_none(self):
# given
p = PropertyContainer(name="Alice")
# when
del p["name"]
# then
assert p["name"] == None
def test_setting_to_none_deletes(self):
# given
p = PropertyContainer(name="Alice")
# when
p["name"] = None
# then
assert "name" not in p
def push(self):
PropertyContainer.push(self)
def unbind(self):
PropertyContainer.unbind(self)
def bind(self, uri, metadata=None):
PropertyContainer.bind(self, uri, metadata)
def test_missing_property_is_none(self):
# when
p = PropertyContainer()
# then
assert p["name"] is None
def test_none_is_not_stored(self):
# when
p = PropertyContainer(name=None)
# then
assert "name" not in p