import unittest
from slpkg.blacklist import Blacklist


class TestBlacklist(unittest.TestCase):

    """ Test for blacklist files.
    """

    def test_blacklist(self) -> None:
        """ Test blacklist packages.
        """
        black = Blacklist()
        self.assertTupleEqual((), black.packages())


if __name__ == '__main__':
    unittest.main()