Files
DECNET/tests/test_logging_forwarder.py

63 lines
2.3 KiB
Python

"""
Tests for decnet.logging.forwarder — parse_log_target, probe_log_target.
"""
import socket
from unittest.mock import MagicMock, patch
import pytest
from decnet.logging.forwarder import parse_log_target, probe_log_target
class TestParseLogTarget:
def test_valid_ip_port(self):
host, port = parse_log_target("192.168.1.5:5140")
assert host == "192.168.1.5"
assert port == 5140
def test_valid_hostname_port(self):
host, port = parse_log_target("logstash.internal:9600")
assert host == "logstash.internal"
assert port == 9600
def test_no_colon_raises(self):
with pytest.raises(ValueError, match="Invalid log_target"):
parse_log_target("192.168.1.5")
def test_non_digit_port_raises(self):
with pytest.raises(ValueError, match="Invalid log_target"):
parse_log_target("192.168.1.5:syslog")
def test_empty_string_raises(self):
with pytest.raises(ValueError):
parse_log_target("")
def test_multiple_colons_uses_last_as_port(self):
# IPv6-style or hostname with colons — rsplit takes the last segment
host, port = parse_log_target("::1:514")
assert port == 514
class TestProbeLogTarget:
def test_returns_true_when_reachable(self):
mock_conn = MagicMock()
mock_conn.__enter__ = MagicMock(return_value=mock_conn)
mock_conn.__exit__ = MagicMock(return_value=False)
with patch("decnet.logging.forwarder.socket.create_connection",
return_value=mock_conn):
assert probe_log_target("192.168.1.5:5140") is True
def test_returns_false_when_connection_refused(self):
with patch("decnet.logging.forwarder.socket.create_connection",
side_effect=OSError("Connection refused")):
assert probe_log_target("192.168.1.5:5140") is False
def test_returns_false_on_timeout(self):
with patch("decnet.logging.forwarder.socket.create_connection",
side_effect=TimeoutError("timed out")):
assert probe_log_target("192.168.1.5:5140") is False
def test_returns_false_on_invalid_target(self):
# ValueError from parse_log_target is caught and returns False
assert probe_log_target("not-a-valid-target") is False