Method test_just_err_capture

testing/test_capture.py:1158–1164

(self)

        assert not err

    def test_just_err_capture(self) -> None:
        with self.getcapture(out=False, err=True) as cap:
            sys.stdout.write("hello")
            sys.stderr.write("world")
            out, err = cap.readouterr()
        assert err == "world"
        assert not out

    def test_stdin_restored(self) -> None:
        old = sys.stdin