Add trace logging tests for protocols

Protocols emit trace logs on `connection_made()` and `connection_lost`.
Add missing tests for these logs.

tests/middleware/test_logging.py

@@ -3,6 +3,7 @@
 
 import httpx
 import pytest
+import websockets
 
 from tests.utils import run_server
 from uvicorn import Config
@@ -45,6 +46,54 @@ async def test_trace_logging(caplog):
         assert "ASGI [2] Completed" in messages.pop(0)
 
 
+@pytest.mark.asyncio
+@pytest.mark.parametrize("protocol", [("h11"), ("httptools")])
+async def test_trace_logging_on_http_protocol(protocol, caplog):
+    config = Config(app=app, log_level="trace", http=protocol)
+    with caplog_for_logger(caplog, "uvicorn.protocol"):
+        async with run_server(config):
+            async with httpx.AsyncClient() as client:
+                response = await client.get("http://127.0.0.1:8000")
+        assert response.status_code == 204
+        messages = [
+            record.message
+            for record in caplog.records
+            if record.name == "uvicorn.error"
+        ]
+        assert any(" - Connection made" in message for message in messages)
+        assert any(" - Connection lost" in message for message in messages)
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize("protocol", [("websockets"), ("wsproto")])
+async def test_trace_logging_on_ws_protocol(protocol, caplog):
+    async def websocket_app(scope, receive, send):
+        assert scope["type"] == "websocket"
+        while True:
+            message = await receive()
+            if message["type"] == "websocket.connect":
+                await send({"type": "websocket.accept"})
+            elif message["type"] == "websocket.disconnect":
+                break
+
+    async def open_connection(url):
+        async with websockets.connect(url) as websocket:
+            return websocket.open
+
+    config = Config(app=websocket_app, log_level="trace", ws=protocol)
+    with caplog_for_logger(caplog, "uvicorn.protocol"):
+        async with run_server(config):
+            is_open = await open_connection("ws://127.0.0.1:8000")
+        assert is_open
+        messages = [
+            record.message
+            for record in caplog.records
+            if record.name == "uvicorn.error"
+        ]
+        assert any(" - Connection made" in message for message in messages)
+        assert any(" - Connection lost" in message for message in messages)
+
+
 @pytest.mark.asyncio
 @pytest.mark.parametrize("use_colors", [(True), (False), (None)])
 async def test_access_logging(use_colors, caplog):