fix: throw when driver crashes (microsoft#1798)

mxschmitt · web-flow · commit 324458189692 · 2023-03-06T17:51:56.000+01:00
diff --git a/playwright/_impl/_transport.py b/playwright/_impl/_transport.py
@@ -154,6 +154,10 @@ async def run(self) -> None:
                 obj = self.deserialize_message(buffer)
                 self.on_message(obj)
             except asyncio.IncompleteReadError:
+                if not self._stopped:
+                    self.on_error_future.set_exception(
+                        Exception("Connection closed while reading from the driver")
+                    )
                 break
             await asyncio.sleep(0)
 
