Current File : //lib/python3/dist-packages/twisted/test/test_ftp_options.py
# 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)
)
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