'Passing C{method} to L{sslverify.OpenSSLCertificateOptions} is
deprecated.'

def test_methodIsDeprecated(self):

    sslverify.OpenSSLCertificateOptions(privateKey=self.sKey, certificate=self.sCert, method=SSL.SSLv23_METHOD)
    message = 'Passing    method    to    twisted.internet.ssl.CertificateOptions    was    deprecated    in    Twisted    17.1.0.    Please    use    a    combination    of    insecurelyLowerMinimumTo,    raiseMinimumTo,    and    lowerMaximumSecurityTo    instead,    as    Twisted    will    correctly    configure    the    method.'
    warnings = self.flushWarnings([self.test_methodIsDeprecated])
    self.assertEqual(1, len(warnings))
    self.assertEqual(DeprecationWarning, warnings[0]['category'])
    self.assertEqual(message, warnings[0]['message'])
