Don't resize terminal on session disconnect

Rename DISCONNECT_RESIZE to DEFAULT_TERMINAL_SIZE
Update tests for removed _resize_on_disconnect and stricter available check

Bump version to 0.2.7

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual-webterm"
-version = "0.2.6"
+version = "0.2.7"
 description = "Serve terminal sessions over the web"
 authors = ["Will McGugan <will@textualize.io>"]
 license = "MIT"

src/textual_webterm/local_server.py

@@ -33,7 +33,7 @@ if TYPE_CHECKING:
 
 log = logging.getLogger("textual-web")
 
-DISCONNECT_RESIZE = (132, 45)
+DEFAULT_TERMINAL_SIZE = (132, 45)
 
 SCREENSHOT_CACHE_SECONDS = 1.0
 SCREENSHOT_MAX_CACHE_SECONDS = 60.0
@@ -431,14 +431,6 @@ class LocalServer:
 
         return session_created
 
-    async def _resize_on_disconnect(self, route_key: str) -> None:
-        session_process = self.session_manager.get_session_by_route_key(RouteKey(route_key))
-        if session_process is None or not hasattr(session_process, "set_terminal_size"):
-            return
-        width, height = DISCONNECT_RESIZE
-        with contextlib.suppress(OSError):
-            await session_process.set_terminal_size(width, height)
-
     async def _handle_websocket(self, request: web.Request) -> web.WebSocketResponse:
         route_key = request.match_info["route_key"]
         ws = web.WebSocketResponse(heartbeat=30.0, max_msg_size=64 * 1024)
@@ -478,7 +470,6 @@ class LocalServer:
         finally:
             log.info("WebSocket connection closed for route %s", route_key)
             self._websocket_connections.pop(route_key, None)
-            await self._resize_on_disconnect(route_key)
 
         return ws
 
@@ -535,15 +526,15 @@ class LocalServer:
 
         # Parse requested dimensions (used when creating new sessions)
         try:
-            req_width = int(request.query.get("width", str(DISCONNECT_RESIZE[0])))
+            req_width = int(request.query.get("width", str(DEFAULT_TERMINAL_SIZE[0])))
         except ValueError:
-            req_width = DISCONNECT_RESIZE[0]
+            req_width = DEFAULT_TERMINAL_SIZE[0]
         req_width = max(10, min(400, req_width))
 
         try:
-            req_height = int(request.query.get("height", str(DISCONNECT_RESIZE[1])))
+            req_height = int(request.query.get("height", str(DEFAULT_TERMINAL_SIZE[1])))
         except ValueError:
-            req_height = DISCONNECT_RESIZE[1]
+            req_height = DEFAULT_TERMINAL_SIZE[1]
         req_height = max(5, min(200, req_height))
 
         session_process = self.session_manager.get_session_by_route_key(RouteKey(route_key))

tests/test_docker_stats.py

@@ -67,13 +67,16 @@ class TestDockerStatsCollector:
     """Tests for Docker stats collector."""
 
     def test_available_checks_socket(self, tmp_path):
-        """available property checks socket existence."""
+        """available property checks socket existence and connectivity."""
         socket_path = tmp_path / "docker.sock"
         collector = DockerStatsCollector(str(socket_path))
         assert collector.available is False
 
+        # Just touching the file isn't enough - need actual socket connectivity
+        # Since we can't easily create a real Unix socket in tests, 
+        # verify that a non-socket file returns False
         socket_path.touch()
-        assert collector.available is True
+        assert collector.available is False  # File exists but can't connect
 
     def test_get_cpu_history_empty(self):
         """Empty history returns empty list."""

tests/test_local_server_unit.py

@@ -167,17 +167,6 @@ class TestLocalServerHelpers:
         assert session_created is True
         ws.send_json.assert_awaited_once_with(["error", "No app configured"])
 
-    @pytest.mark.asyncio
-    async def test_resize_on_disconnect_calls_set_terminal_size(self, server, monkeypatch):
-        session = MagicMock()
-        session.set_terminal_size = AsyncMock()
-
-        monkeypatch.setattr(server.session_manager, "get_session_by_route_key", lambda _rk: session)
-
-        await server._resize_on_disconnect("rk")
-
-        session.set_terminal_size.assert_called_once_with(132, 45)
-
     @pytest.mark.asyncio
     async def test_create_terminal_session_sends_error_if_no_apps(self, server):
         ws = MagicMock()