def test_nested_events(meth, group_index):
ne_list = NestableEventedList(NEST)
ne_list.events = Mock(wraps=ne_list.events)
method_name, args, expected_events = meth
method = getattr(ne_list[group_index], method_name)
if method_name == 'index' and group_index != (1, 1):
# the expected value only occurs in index (1, 1)
with pytest.raises(ValueError):
method(*args)
else:
# make sure we can call the method without error
method(*args)
# make sure the correct event type and number was emitted
for call, expected in zip(ne_list.events.call_args_list, expected_events):
event = call.args[0]
assert event.type == expected
if group_index == ():
# in the root group, the index will be an int relative to root
assert isinstance(event.index, int)
else:
assert event.index[:-1] == group_index
def test_nested_move_multiple(sources, dest, expectation):
"""Test that moving multiple indices works and emits right events."""
ne_list = NestableEventedList([0, 1, [20, [210, 211], 22], 3, 4])
ne_list.events = Mock(wraps=ne_list.events)
ne_list.move_multiple(sources, dest)
ne_list.events.reordered.assert_called_with(value=expectation)
