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# Copyright (c) Twisted Matrix Laboratories. # See LICENSE for details. """ Tests for L{twisted.tap.ftp}. """ from twisted.cred import credentials, error from twisted.python import versions from twisted.python.filepath import FilePath from twisted.tap.ftp import Options from twisted.trial.unittest import TestCase class FTPOptionsTests(TestCase): """ Tests for the command line option parser used for C{twistd ftp}. """ usernamePassword = (b"iamuser", b"thisispassword") def setUp(self): """ Create a file with two users. """ self.filename = self.mktemp() f = FilePath(self.filename) f.setContent(b":".join(self.usernamePassword)) self.options = Options() def test_passwordfileDeprecation(self): """ The C{--password-file} option will emit a warning stating that said option is deprecated. """ self.callDeprecated( versions.Version("Twisted", 11, 1, 0), self.options.opt_password_file, self.filename, ) def test_authAdded(self): """ The C{--auth} command-line option will add a checker to the list of checkers """ numCheckers = len(self.options["credCheckers"]) self.options.parseOptions(["--auth", "file:" + self.filename]) self.assertEqual(len(self.options["credCheckers"]), numCheckers + 1) def test_authFailure(self): """ The checker created by the C{--auth} command-line option returns a L{Deferred} that fails with L{UnauthorizedLogin} when presented with credentials that are unknown to that checker. """ self.options.parseOptions(["--auth", "file:" + self.filename]) checker = self.options["credCheckers"][-1] invalid = credentials.UsernamePassword(self.usernamePassword[0], "fake") return checker.requestAvatarId(invalid).addCallbacks( lambda ignore: self.fail("Wrong password should raise error"), lambda err: err.trap(error.UnauthorizedLogin), ) def test_authSuccess(self): """ The checker created by the C{--auth} command-line option returns a L{Deferred} that returns the avatar id when presented with credentials that are known to that checker. """ self.options.parseOptions(["--auth", "file:" + self.filename]) checker = self.options["credCheckers"][-1] correct = credentials.UsernamePassword(*self.usernamePassword) return checker.requestAvatarId(correct).addCallback( lambda username: self.assertEqual(username, correct.username) )