diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/mitmproxy/utils/test_typecheck.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/mitmproxy/utils/test_typecheck.py b/test/mitmproxy/utils/test_typecheck.py index 75c932e5..0ed440eb 100644 --- a/test/mitmproxy/utils/test_typecheck.py +++ b/test/mitmproxy/utils/test_typecheck.py @@ -1,7 +1,9 @@ +import io import typing import mock import pytest + from mitmproxy.utils import typecheck @@ -66,3 +68,9 @@ def test_check_sequence(): m.__str__ = lambda self: "typing.Sequence" m.__parameters__ = (int,) typecheck.check_type("foo", [10], m) + + +def test_check_io(): + typecheck.check_type("foo", io.StringIO(), typing.IO[str]) + with pytest.raises(TypeError): + typecheck.check_type("foo", "foo", typing.IO[str]) |