def test_multi_select_change_options(document, comm):
select = MultiSelect(options=OrderedDict([('A', 'A'), ('1', 1), ('C', object)]),
value=[object, 1], name='Select')
def set_options(event):
if event.new == [1]:
select.options = OrderedDict([('D', 2), ('E', 'a')])
select.param.watch(set_options, 'value')
model = select.get_root(document, comm=comm)
select.value = [1]
assert model.value == []
assert model.options == ['D', 'E']
def test_multi_select(document, comm):
select = MultiSelect(options=OrderedDict([('A', 'A'), ('1', 1), ('C', object)]),
value=[object, 1], name='Select')
widget = select.get_root(document, comm=comm)
assert isinstance(widget, select._widget_type)
assert widget.title == 'Select'
assert widget.value == ['C', '1']
assert widget.options == ['A', '1', 'C']
widget.value = ['1']
select._comm_change({'value': ['1']})
assert select.value == [1]
widget.value = ['A', 'C']
select._comm_change({'value': ['A', 'C']})
assert select.value == ['A', object]
select.value = [object, 'A']
assert widget.value == ['C', 'A']