pydase/tests/client/test_reconnection.py

108 lines
2.8 KiB
Python

import threading
from collections.abc import Callable, Generator
from typing import Any
import pydase
import pytest
import socketio.exceptions
@pytest.fixture(scope="function")
def pydase_restartable_server() -> (
Generator[
tuple[
pydase.Server,
threading.Thread,
pydase.DataService,
Callable[
[pydase.Server, threading.Thread, pydase.DataService],
tuple[pydase.Server, threading.Thread],
],
],
None,
Any,
]
):
class MyService(pydase.DataService):
def __init__(self) -> None:
super().__init__()
self._name = "MyService"
self._my_property = 12.1
@property
def my_property(self) -> float:
return self._my_property
@my_property.setter
def my_property(self, value: float) -> None:
self._my_property = value
@property
def name(self) -> str:
return self._name
service_instance = MyService()
server = pydase.Server(service_instance, web_port=9999)
thread = threading.Thread(target=server.run, daemon=True)
thread.start()
def restart(
server: pydase.Server,
thread: threading.Thread,
service_instance: pydase.DataService,
) -> tuple[pydase.Server, threading.Thread]:
server.handle_exit()
thread.join()
server = pydase.Server(service_instance, web_port=9999)
new_thread = threading.Thread(target=server.run, daemon=True)
new_thread.start()
return server, new_thread
yield server, thread, service_instance, restart
server.handle_exit()
thread.join()
def test_reconnection(
pydase_restartable_server: tuple[
pydase.Server,
threading.Thread,
pydase.DataService,
Callable[
[pydase.Server, threading.Thread, pydase.DataService],
tuple[pydase.Server, threading.Thread],
],
],
) -> None:
client = pydase.Client(
url="ws://localhost:9999",
sio_client_kwargs={
"reconnection": False,
},
)
client_2 = pydase.Client(
url="ws://localhost:9999",
sio_client_kwargs={
"reconnection_attempts": 1,
},
)
server, thread, service_instance, restart = pydase_restartable_server
service_instance._name = "New service name"
server, thread = restart(server, thread, service_instance)
with pytest.raises(socketio.exceptions.BadNamespaceError):
client.proxy.name
client_2.proxy.name
client.proxy.reconnect()
client_2.proxy.reconnect()
# the service proxies successfully reconnect and get the new service name
assert client.proxy.name == "New service name"
assert client_2.proxy.name == "New service name"