def test_reset_after_adding_config():
class MyConfig(_ConfigBase):
foo = _ConfigValue("foo")
bar = _ConfigValue("bar")
c = VersionedConfig(MyConfig({"foo": "baz"}), version=1)
c.update(version=2, bar="bazzinga")
c.reset()
assert c.bar is None
def test_callback_reset():
test_var = {"foo": 0}
def set_global(dict_key, old_value, new_value):
# TODO make test_var `nonlocal` once we drop py2 -- it can just be a
# basic variable then instead of a dictionary
test_var[dict_key] += 1
class MyConfig(_ConfigBase):
foo = _ConfigValue("foo", callbacks=[set_global])
c = VersionedConfig(MyConfig({"foo": "bar"}), version=None)
assert test_var["foo"] == 1
c.update(version=2, **{"foo": "baz"})
assert test_var["foo"] == 2
c.reset()
assert test_var["foo"] == 3