Files
MeshChatX/tests/backend/test_interface_port_check.py

85 lines
2.3 KiB
Python

# SPDX-License-Identifier: 0BSD
import contextlib
import socket
import pytest
from meshchatx.src.backend.interface_port_check import (
describe_port_conflict,
is_port_in_use,
)
def _free_port(kind="tcp"):
sock_type = socket.SOCK_STREAM if kind == "tcp" else socket.SOCK_DGRAM
with contextlib.closing(socket.socket(socket.AF_INET, sock_type)) as sock:
sock.bind(("127.0.0.1", 0))
return sock.getsockname()[1]
def test_is_port_in_use_returns_false_for_unbound_port():
port = _free_port("tcp")
assert is_port_in_use("127.0.0.1", port, kind="tcp") is False
def test_is_port_in_use_returns_true_when_tcp_port_held():
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(("127.0.0.1", 0))
sock.listen(1)
port = sock.getsockname()[1]
try:
assert is_port_in_use("127.0.0.1", port, kind="tcp") is True
finally:
sock.close()
def test_is_port_in_use_returns_true_when_udp_port_held():
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind(("127.0.0.1", 0))
port = sock.getsockname()[1]
try:
assert is_port_in_use("127.0.0.1", port, kind="udp") is True
finally:
sock.close()
@pytest.mark.parametrize("port", [None, "", 0, "abc", -1, 70000])
def test_is_port_in_use_rejects_invalid_inputs(port):
assert is_port_in_use("127.0.0.1", port) is False
def test_is_port_in_use_handles_wildcard_host():
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(("0.0.0.0", 0))
sock.listen(1)
port = sock.getsockname()[1]
try:
assert is_port_in_use(None, port, kind="tcp") is True
assert is_port_in_use("0.0.0.0", port, kind="tcp") is True
finally:
sock.close()
def test_is_port_in_use_handles_unresolvable_host():
assert is_port_in_use("not-a-real-host-12345.invalid", 12345) is False
def test_describe_port_conflict_includes_port_and_host():
msg = describe_port_conflict(
"127.0.0.1",
4242,
kind="tcp",
interface_name="MyIface",
)
assert "4242" in msg
assert "127.0.0.1" in msg
assert "MyIface" in msg
assert "TCP" in msg
def test_describe_port_conflict_handles_invalid_port():
msg = describe_port_conflict(None, "bogus", kind="udp")
assert "invalid" in msg.lower()
assert "UDP" in msg