devtools: Disable websocket pings to Chrome

Chrome does not like that.

2 files changed, 12 insertions, 1 deletions

diff --git a/crocoite/devtools.py b/crocoite/devtools.py
index d62a8a1..6e97ca3 100644
--- a/crocoite/devtools.py
+++ b/crocoite/devtools.py
@@ -245,8 +245,9 @@ class Tab:
         # increase size limit of a single frame to something ridiciously high,
         # so we can safely grab screenshots
         maxSize = 100*1024*1024 # 100 MB
+        # chrome does not like pings and kills the connection, disable them
         ws = await websockets.connect(kwargs['webSocketDebuggerUrl'],
-                max_size=maxSize)
+                max_size=maxSize, ping_interval=None)
         ret = cls (kwargs['id'], ws)
         await ret.run ()
         return ret
diff --git a/crocoite/test_devtools.py b/crocoite/test_devtools.py
index a6eeda2..4ffbbf8 100644
--- a/crocoite/test_devtools.py
+++ b/crocoite/test_devtools.py
@@ -151,3 +151,13 @@ def test_tab_function_hash (tab):
     d = {tab.Network.enable: 1, tab.Network.disable: 2, tab.Page: 3, tab.Page.enable: 4}
     assert len (d) == 4
 
+@pytest.mark.asyncio
+async def test_ws_ping(tab):
+    """
+    Chrome does not like websocket pings and closes the connection if it
+    receives one. Not sure why.
+    """
+    with pytest.raises (Crashed):
+        await tab.ws.ping ()
+        await tab.Browser.getVersion ()
+