Files
MoviePilot/tests/test_doh_helper.py

98 lines
3.4 KiB
Python

import socket
from app.helper import doh
def test_doh_executor_is_lazy_and_shutdown_restores_socket(monkeypatch):
"""DoH 线程池按需创建,并在模块关闭时恢复系统 DNS"""
original_getaddrinfo = socket.getaddrinfo
helper = object.__new__(doh.DohHelper)
monkeypatch.setattr(doh.settings, "DOH_DOMAINS", "example.com")
monkeypatch.setattr(doh.settings, "DOH_RESOLVERS", "resolver.test")
monkeypatch.setattr(doh, "_doh_query", lambda resolver, host: "203.0.113.7")
monkeypatch.setattr(doh, "_orig_getaddrinfo", lambda host, *args, **kwargs: [])
try:
helper.shutdown()
assert doh._executor is None
doh.enable_doh(True)
socket.getaddrinfo("example.com", None)
executor = doh._executor
assert executor is not None
helper.shutdown()
assert doh._executor is None
assert socket.getaddrinfo is doh._orig_getaddrinfo
assert getattr(executor, "_shutdown", False)
finally:
helper.shutdown()
socket.getaddrinfo = original_getaddrinfo
def test_doh_config_reload_disables_and_closes_executor(monkeypatch):
"""热更新关闭 DoH 时恢复系统 DNS 并释放已创建的线程池"""
original_getaddrinfo = socket.getaddrinfo
helper = object.__new__(doh.DohHelper)
monkeypatch.setattr(doh.settings, "DOH_DOMAINS", "example.com")
monkeypatch.setattr(doh.settings, "DOH_RESOLVERS", "resolver.test")
monkeypatch.setattr(doh, "_doh_query", lambda resolver, host: "203.0.113.7")
monkeypatch.setattr(doh, "_orig_getaddrinfo", lambda host, *args, **kwargs: [])
try:
helper.shutdown()
doh.enable_doh(True)
socket.getaddrinfo("example.com", None)
executor = doh._executor
assert executor is not None
monkeypatch.setattr(doh.settings, "DOH_ENABLE", False)
helper.on_config_changed()
assert doh._executor is None
assert getattr(executor, "_shutdown", False)
assert socket.getaddrinfo is doh._orig_getaddrinfo
finally:
helper.shutdown()
socket.getaddrinfo = original_getaddrinfo
def test_enable_doh_reuses_cached_host_resolution(monkeypatch):
"""
同一 DoH 域名第二次解析应命中缓存,避免重复请求远端解析器。
"""
query_calls = []
resolved_hosts = []
def fake_query(resolver: str, host: str) -> str:
query_calls.append((resolver, host))
return "203.0.113.7"
def fake_getaddrinfo(host: str, *args, **kwargs):
resolved_hosts.append(host)
return [(socket.AF_INET, socket.SOCK_STREAM, 0, "", (host, 0))]
monkeypatch.setattr(doh.settings, "DOH_DOMAINS", "example.com")
monkeypatch.setattr(doh.settings, "DOH_RESOLVERS", "resolver.test")
monkeypatch.setattr(doh, "_doh_query", fake_query)
monkeypatch.setattr(doh, "_orig_getaddrinfo", fake_getaddrinfo)
original_getaddrinfo = socket.getaddrinfo
with doh._doh_lock:
doh._doh_cache.clear()
try:
doh.enable_doh(True)
socket.getaddrinfo("example.com", None)
socket.getaddrinfo("example.com", None)
finally:
object.__new__(doh.DohHelper).shutdown()
socket.getaddrinfo = original_getaddrinfo
with doh._doh_lock:
doh._doh_cache.clear()
assert query_calls == [("resolver.test", "example.com")]
assert resolved_hosts == ["203.0.113.7", "203.0.113.7"]