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import asyncio
import contextlib
import importlib
import pytest
from uvicorn.config import Config
from uvicorn.loops.auto import auto_loop_factory
from uvicorn.protocols.http.auto import AutoHTTPProtocol
from uvicorn.protocols.websockets.auto import AutoWebSocketsProtocol
from uvicorn.server import ServerState
try:
importlib.import_module("uvloop")
expected_loop = "uvloop" # pragma: py-win32
except ImportError: # pragma: py-not-win32
expected_loop = "asyncio"
try:
importlib.import_module("httptools")
expected_http = "HttpToolsProtocol"
except ImportError: # pragma: no cover
expected_http = "H11Protocol"
try:
importlib.import_module("websockets")
expected_websockets = "WebSocketProtocol"
except ImportError: # pragma: no cover
expected_websockets = "WSProtocol"
async def app(scope, receive, send):
pass # pragma: no cover
def test_loop_auto():
loop_factory = auto_loop_factory(use_subprocess=True)
with contextlib.closing(loop_factory()) as loop:
assert isinstance(loop, asyncio.AbstractEventLoop)
assert type(loop).__module__.startswith(expected_loop)
@pytest.mark.anyio
async def test_http_auto():
config = Config(app=app)
server_state = ServerState()
protocol = AutoHTTPProtocol( # type: ignore[call-arg]
config=config, server_state=server_state, app_state={}
)
assert type(protocol).__name__ == expected_http
@pytest.mark.anyio
async def test_websocket_auto():
config = Config(app=app)
server_state = ServerState()
assert AutoWebSocketsProtocol is not None
protocol = AutoWebSocketsProtocol(config=config, server_state=server_state, app_state={})
assert type(protocol).__name__ == expected_websockets
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