How to use the blackhole.config.Config function in blackhole

def test_ipv4_and_ipv6_diff_port(self):
        cfile = create_config(("tls_listen=127.0.0.1:9000,:::9001",))
        conf = Config(cfile).load()
        assert conf.tls_listen == [
            ("127.0.0.1", 9000, socket.AF_INET, {}),
            ("::", 9001, socket.AF_INET6, {}),
        ]

"mode=bounce   #default accept",
        )
    )
    conf = Config(cfile).load()
    assert conf.listen == [("10.0.0.1", 1025, socket.AF_INET, {})]
    assert conf.tls_listen == []
    cfile = create_config(
        (
            "#not=thisline",
            "listen=10.0.0.1:1025",
            """this won't be added""",
            "mode=bounce   #default accept",
        )
    )
    with pytest.raises(ConfigException):
        Config(cfile).load()

def test_invalid_options():
    cfile = create_config(("workers=2", "delay=10", "test=option"))
    with pytest.raises(ConfigException):
        Config(cfile).load()

def test_port_under_1024_no_perms(self):
        cfile = create_config(("listen=127.0.0.1:1023",))
        conf = Config(cfile).load()
        with mock.patch(
            "os.getuid", return_value=9000
        ) as mock_getuid, pytest.raises(ConfigException):
            conf.test_port()
        assert mock_getuid.called is True
        assert mock_getuid.call_count == 1

def test_setgid_invalid_group(_):
    cfile = create_config(("group=testgroup",))
    with pytest.raises(SystemExit) as exc:
        Config(cfile).load()
        setgid()
    assert exc.value.code == 64

def test_mode_and_delay_range_flag(self):
        key = create_file("key.key")
        cert = create_file("crt.crt")
        settings = (
            "tls_listen=:123 mode=bounce delay=15-20",
            "tls_cert={}".format(cert),
            "tls_key={}".format(key),
        )
        cfile = create_config(settings)
        conf = Config(cfile).load()
        assert conf.tls_listen == [
            (
                "",
                123,
                socket.AF_INET,
                {"delay": ("15", "20"), "mode": "bounce"},
            )

def test_port_over_1023_available(self):
        cfile = create_config(("listen=127.0.0.1:1024",))
        conf = Config(cfile).load()
        with mock.patch(
            "os.getuid", return_value=9000
        ) as mock_getuid, mock.patch("socket.socket.bind", return_value=True):
            conf.test_port()
        assert mock_getuid.called is True
        assert mock_getuid.call_count == 1

def test_tls_listen_flags_special_ipv6(self):
        cfile = create_config(("listen=:::465 mode=bounce",))
        conf = Config(cfile).load()
        assert conf.flags_from_listener("::1", 465) == {"mode": "bounce"}

def test_size(self):
        cfile = create_config(("max_message_size=1024000",))
        conf = Config(cfile).load()
        assert conf.max_message_size == 1024000
        assert conf.test_max_message_size() is None

def test_same_port_tls_port(self):
        cfile = create_config(
            ("listen=127.0.0.1:25", "tls_listen=127.0.0.1:25")
        )
        conf = Config(cfile).load()
        with pytest.raises(ConfigException):
            conf.test_tls_port()