def test_itemdel_unset_error() -> None:
d = {"foo": 42}
with pytest.raises(RuntimeError, match="Catch this!"):
with itemdel(d, "bar"):
assert "bar" not in d
raise RuntimeError("Catch this!")
assert "bar" not in d
def test_itemdel_error() -> None:
d = {"foo": 42}
with pytest.raises(RuntimeError, match="Catch this!"):
with itemdel(d, "foo"):
assert "foo" not in d
raise RuntimeError("Catch this!")
assert d["foo"] == 42
def test_itemdel_not_copied_error() -> None:
x = object()
d = {"foo": x}
with pytest.raises(RuntimeError, match="Catch this!"):
with itemdel(d, "foo"):
assert "foo" not in d
raise RuntimeError("Catch this!")
assert d["foo"] is x
def test_itemdel_unset_modified_error() -> None:
d: Dict[str, Any] = {"foo": 42}
with pytest.raises(RuntimeError, match="Catch this!"):
with itemdel(d, "bar"):
assert "bar" not in d
d["bar"] = [3.14]
raise RuntimeError("Catch this!")
assert "bar" not in d
def test_itemdel_not_copied() -> None:
x = object()
d = {"foo": x}
with itemdel(d, "foo"):
assert "foo" not in d
assert d["foo"] is x
def test_itemdel_unset_modified() -> None:
d: Dict[str, Any] = {"foo": 42}
with itemdel(d, "bar"):
assert "bar" not in d
d["bar"] = [3.14]
assert "bar" not in d
def test_itemdel() -> None:
d = {"foo": 42}
with itemdel(d, "foo"):
assert "foo" not in d
assert d["foo"] == 42
def test_itemdel_unset() -> None:
d = {"foo": 42}
with itemdel(d, "bar"):
assert "bar" not in d
assert "bar" not in d
def test_itemdel_modified() -> None:
d: Dict[str, Any] = {"foo": 42}
with itemdel(d, "foo"):
assert "foo" not in d
d["foo"] = [3.14]
assert d["foo"] == 42