def test_checkbox(document, comm):
checkbox = Checkbox(value=True, name='Checkbox')
widget = checkbox._get_root(document, comm=comm)
assert isinstance(widget, checkbox._widget_type)
assert widget.labels == ['Checkbox']
assert widget.active == [0]
widget.active = []
checkbox._comm_change({'active': []})
assert checkbox.value == False
checkbox.value = True
assert widget.active == [0]
def test_checkbox(document, comm):
checkbox = Checkbox(value=True, name='Checkbox')
box = checkbox._get_model(document, comm=comm)
assert isinstance(box, WidgetBox)
widget = box.children[0]
assert isinstance(widget, checkbox._widget_type)
assert widget.labels == ['Checkbox']
assert widget.active == [0]
widget.active = []
checkbox._comm_change({'active': []})
assert checkbox.value == False
checkbox.value = True
assert widget.active == [0]
