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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from twisted.cred import credentials, error
from twisted.words import tap
from twisted.trial import unittest
class WordsTap(unittest.TestCase):
"""
Ensures that the twisted.words.tap API works.
"""
PASSWD_TEXT = "admin:admin\njoe:foo\n"
admin = credentials.UsernamePassword('admin', 'admin')
joeWrong = credentials.UsernamePassword('joe', 'bar')
def setUp(self):
"""
Create a file with two users.
"""
self.filename = self.mktemp()
self.file = open(self.filename, 'w')
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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