def test_set_attr(self):
# set data keys
obj = Object({"a": 1, "const": 0}, const_attrs={"const"})
obj.a = 1
assert obj.a == 1
obj.b = 1
assert obj.b == 1
# set const keys
with pytest.raises(RuntimeError, match="is const"):
obj.const = 1
# set .call attribute
obj.call = lambda _: "pong"
assert obj("ping") == "pong"
# set .data attribute
obj.data = {}
assert obj.a is None
with pytest.raises(ValueError, match="must be a dictionary"):
obj.data = None
# set other attributes
with pytest.raises(RuntimeError, match="should not set"):
obj.__dict__ = {}
def test_call(self):
obj = Object()
obj("original_call")
obj.call = lambda _: "pong"
assert obj("ping") == "pong"