Function tcp_capture

tests/fixtures.py:176–190

(tmp_path)

@pytest.fixture
def tcp_capture(tmp_path):
    # You will need permissions.  Most distributions have a group which has
    # permissions to use dumpcap:
    #     $ ls -l /usr/bin/dumpcap
    #     -rwxr-xr-- 1 root wireshark 229112 Apr 16  2024 /usr/bin/dumpcap
    #     $ getcap /usr/bin/dumpcap
    #     /usr/bin/dumpcap cap_net_admin,cap_net_raw=eip
    # So you just need to be in the wireshark group.
    if not dumpcap_usable():
        pytest.skip("dumpcap/tshark not available or insufficient privileges")

    cap = TcpCapture(tmp_path)
    yield cap
    cap.stop()
    cap.assert_constant_payload()