def test_it_detects_non_overlaps():
    assert not handlers.is_overlap("s3://bucket/prefix/",
                                   "s3://otherbucket/prefix/")
def test_it_detects_non_overlapping_prefixes_in_same_bucket():
    assert not handlers.is_overlap("s3://bucket/foo/bar",
                                   "s3://otherbucket/foo/baz")
def test_it_detects_overlaps():
    assert handlers.is_overlap("s3://bucket/prefix/",
                               "s3://bucket/prefix/subprefix/")
    assert handlers.is_overlap("s3://bucket/prefix/subprefix/",
                               "s3://bucket/prefix/")