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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from twisted.cred import credentials, error
from twisted.trial import unittest
from twisted.words import tap
class WordsTapTests(unittest.TestCase):
"""
Ensures that the twisted.words.tap API works.
"""
PASSWD_TEXT = b"admin:admin\njoe:foo\n"
admin = credentials.UsernamePassword(b"admin", b"admin")
joeWrong = credentials.UsernamePassword(b"joe", b"bar")
def setUp(self):
"""
Create a file with two users.
"""
self.filename = self.mktemp()
self.file = open(self.filename, "wb")
self.file.write(self.PASSWD_TEXT)
self.file.flush()
def tearDown(self):
"""
Close the dummy user database.
"""
self.file.close()
def test_hostname(self):
"""
Tests that the --hostname parameter gets passed to Options.
"""
opt = tap.Options()
opt.parseOptions(["--hostname", "myhost"])
self.assertEqual(opt["hostname"], "myhost")
def test_passwd(self):
"""
Tests the --passwd command for backwards-compatibility.
"""
opt = tap.Options()
opt.parseOptions(["--passwd", self.file.name])
self._loginTest(opt)
def test_auth(self):
"""
Tests that the --auth command generates a checker.
"""
opt = tap.Options()
opt.parseOptions(["--auth", "file:" + self.file.name])
self._loginTest(opt)
def _loginTest(self, opt):
"""
This method executes both positive and negative authentication
tests against whatever credentials checker has been stored in
the Options class.
@param opt: An instance of L{tap.Options}.
"""
self.assertEqual(len(opt["credCheckers"]), 1)
checker = opt["credCheckers"][0]
self.assertFailure(
checker.requestAvatarId(self.joeWrong), error.UnauthorizedLogin
)
def _gotAvatar(username):
self.assertEqual(username, self.admin.username)
return checker.requestAvatarId(self.admin).addCallback(_gotAvatar)
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