def test_hmacsha2384(self):
        """
        When L{SSHCiphers._getMAC} is called with the C{b"hmac-sha2-384"} MAC
        algorithm name it returns a tuple of (sha384 digest object, inner pad,
        outer pad, sha384 digest size) with a C{key} attribute set to the
        value of the key supplied.
        """
        self.assertGetMAC(
            b"hmac-sha2-384", sha384, digestSize=48, blockPadSize=80)

        When L{SSHCiphers._getMAC} is called with the C{b"hmac-sha2-384"} MAC
        algorithm name it returns a tuple of (sha384 digest object, inner pad,
        outer pad, sha384 digest size) with a C{key} attribute set to the
        value of the key supplied.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_transport.py