def test_ping(self, ManagedServerLoop):
application = Application()
with ManagedServerLoop(application,
keep_alive_milliseconds=0) as server:
session = ClientSession(session_id='test_ping',
websocket_url=ws_url(server),
io_loop=server.io_loop)
session.connect()
assert session.connected
assert session.document is None
connection = next(iter(server._tornado._clients))
expected_pong = connection._ping_count
server._tornado._keep_alive() # send ping
session.force_roundtrip()
assert expected_pong == connection._socket.latest_pong
# check that each ping increments by 1
server._tornado._keep_alive()
session.force_roundtrip()
assert (expected_pong + 1) == connection._socket.latest_pong
session.close()
session._loop_until_closed()
assert not session.connected
def test_disconnect_on_error(self, ManagedServerLoop) -> None:
application = Application()
with ManagedServerLoop(application) as server:
session = ClientSession(session_id='test_disconnect_on_error',
websocket_url=ws_url(server),
io_loop = server.io_loop)
session.connect()
assert session.connected
# send a bogus message using private fields
server.io_loop.spawn_callback(session._connection._socket.write_message, b"xx", binary=True)
# connection should now close on the server side
# and the client loop should end
session._loop_until_closed()
assert not session.connected
session.close()
session._loop_until_closed()
assert not session.connected
def test_connect_with_prefix(self, ManagedServerLoop):
application = Application()
with ManagedServerLoop(application, prefix="foo") as server:
# we don't have to start the server because it
# uses the same main loop as the client, so
# if we start either one it starts both
session = ClientSession(io_loop=server.io_loop,
websocket_url=ws_url(server, "/foo"))
session.connect()
assert session.connected
session.close()
session._loop_until_closed()
session = ClientSession(io_loop=server.io_loop,
websocket_url=ws_url(server))
session.connect()
assert not session.connected
session.close()
session._loop_until_closed()
def test_request_server_info(self, ManagedServerLoop):
application = Application()
with ManagedServerLoop(application) as server:
session = ClientSession(session_id='test_request_server_info',
websocket_url=ws_url(server),
io_loop=server.io_loop)
session.connect()
assert session.connected
assert session.document is None
info = session.request_server_info()
from bokeh import __version__
assert info['version_info']['bokeh'] == __version__
assert info['version_info']['server'] == __version__
session.close()
session._loop_until_closed()
assert not session.connected