def test_framemeta_item_assignment_tuple(self):
a = FrameMeta()
a['test1'] = 1
a['test2'] = ((1))
a['test3'] = (1, 'with comment')
with pytest.raises(ValueError, match='Tuple items should be'):
a['test4'] = (1, 2, 3)
assert_equal(list(a.values()), [1, 1, 1])
assert_equal(list(a.comments()), ['', '', 'with comment'])
def test_framemeta_reassign_comment(self):
a = FrameMeta()
a['a'] = (1, 'first comment')
a['a'] = (2, 'second comment')
assert_equal(list(a.comments()), ['second comment'])