26 lines
651 B
Python
26 lines
651 B
Python
|
# Copyright (c) Jupyter Development Team.
|
||
|
|
# Distributed under the terms of the Modified BSD License.
|
||
|
|
|
||
|
|
from traitlets import Bool, Tuple, List
|
||
|
|
|
||
|
|
from .utils import setup, teardown
|
||
|
|
|
||
|
|
from ..widget import Widget
|
||
|
|
|
||
|
|
# A widget with simple traits
|
||
|
|
class SimpleWidget(Widget):
|
||
|
|
a = Bool().tag(sync=True)
|
||
|
|
b = Tuple(Bool(), Bool(), Bool(), default_value=(False, False, False)).tag(sync=True)
|
||
|
|
c = List(Bool()).tag(sync=True)
|
||
|
|
|
||
|
|
def test_empty_send_state():
|
||
|
|
w = SimpleWidget()
|
||
|
|
w.send_state([])
|
||
|
|
assert w.comm.messages == []
|
||
|
|
|
||
|
|
def test_empty_hold_sync():
|
||
|
|
w = SimpleWidget()
|
||
|
|
with w.hold_sync():
|
||
|
|
pass
|
||
|
|
assert w.comm.messages == []
|