def server_mount_point():
"""An IDOM layout mount function and server as a tuple
The ``mount`` and ``server`` fixtures use this.
"""
with ServerMountPoint(server_config={"cors": True}) as mount_point:
yield mount_point
def test_automatic_reconnect(create_driver):
# we need to wait longer here because the automatic reconnect is not instance
driver = create_driver(implicit_wait_timeout=10)
@idom.component
def OldComponent():
return idom.html.p({"id": "old-component"}, "old")
mount_point = ServerMountPoint()
with mount_point:
mount_point.mount(OldComponent)
driver.get(mount_point.url())
# the server is disconnected but the last view state is still shown
driver.find_element_by_id("old-component")
set_state = idom.Ref(None)
@idom.component
def NewComponent():
state, set_state.current = idom.hooks.use_state(0)
return idom.html.p({"id": f"new-component-{state}"}, f"new-{state}")
with mount_point:
mount_point.mount(NewComponent)
# Note the lack of a page refresh before looking up this new component. The
# client should attempt to reconnect and display the new view automatically.
driver.find_element_by_id("new-component-0")
# check that we can resume normal operation
set_state.current(1)
driver.find_element_by_id("new-component-1")
def server_mount_point(request):
with ServerMountPoint(request.param) as mount_point:
yield mount_point
def server_mount_point(request):
with ServerMountPoint(request.param, sync_views=True) as mount_point:
yield mount_point
def server_mount_point(request):
with ServerMountPoint(
request.param,
mount_and_server_constructor=multiview_server,
) as mount_point:
yield mount_point