def test_setter_wrong_len(tmpdir):
dam = DocumentArrayMemmap(tmpdir)
dam.extend([Document() for _ in range(100)])
tags = [{'1': 2}]
with pytest.raises(ValueError, match='the number of tags in the'):
dam.tags = tags
def test_tags_setter_dam(tmpdir):
dam = DocumentArrayMemmap(tmpdir)
tags = [{'a': 2, 'c': 'd'} for _ in range(100)]
dam.extend([Document() for _ in range(100)])
dam.tags = tags
assert dam.tags == tags
for x, doc in zip(tags, dam):
assert x == doc.tags
