def test_periodic_noops(self):
"""
When connected, the protocol sends ``NoOp`` commands at a fixed
interval.
"""
expected_pings = 3
reactor = Clock()
locator = _NoOpCounter()
peer = AMP(locator=locator)
protocol = self.build_protocol(reactor)
pump = connectedServerAndClient(lambda: protocol, lambda: peer)[2]
for i in range(expected_pings):
reactor.advance(PING_INTERVAL.total_seconds())
peer.callRemote(NoOp) # Keep the other side alive past its timeout
pump.flush()
self.assertEqual(locator.noops, expected_pings)
def test_periodic_noops(self):
"""
When connected, the protocol sends ``NoOp`` commands at a fixed
interval.
"""
expected_pings = 3
reactor = Clock()
locator = _NoOpCounter()
peer = AMP(locator=locator)
protocol = self.build_protocol(reactor)
pump = connectedServerAndClient(lambda: protocol, lambda: peer)[2]
for i in range(expected_pings):
reactor.advance(PING_INTERVAL.total_seconds())
peer.callRemote(NoOp) # Keep the other side alive past its timeout
pump.flush()
self.assertEqual(locator.noops, expected_pings)
def test_adds_user(self):
"""
When L{UserAdder} is connected to L{IdentityAdmin}, the L{AddUser}
command is called and L{IdentityAdmin} adds the user to its factory's
store.
"""
admin = IdentityAdmin()
admin.factory = self.adminFactory
serverTransport = makeFakeServer(admin)
serverTransport.getQ2QHost = lambda: Q2QAddress('Q2Q Host')
client = AMP()
pump = connect(admin, serverTransport, client, makeFakeClient(client))
d = client.callRemote(AddUser, name='q2q username',
password='******')
pump.flush()
# The username and password are added, along with the domain=q2q
# host, to the IdentityAdmin's factory's store
self.assertEqual([call('Q2Q Host', 'q2q username', 'q2q password')],
self.addUser.calls)
# The server responds with {}
self.assertEqual({}, self.successResultOf(d))
def run_amp_command(description, command, args, reactor=None):
if reactor is None:
from twisted.internet import reactor
endpoint = endpoints.clientFromString(reactor, description)
amp = AMP()
d = endpoints.connectProtocol(endpoint, amp)
d.addCallback(lambda ign: amp.callRemote(command, **args))
return d
class LocalWorkerAMPTests(TestCase):
"""
Test case for distributed trial's manager-side local worker AMP protocol
"""
def setUp(self):
self.managerTransport = StringTransport()
self.managerAMP = LocalWorkerAMP()
self.managerAMP.makeConnection(self.managerTransport)
self.result = TestResult()
self.workerTransport = StringTransport()
self.worker = AMP()
self.worker.makeConnection(self.workerTransport)
config = trial.Options()
self.testName = "twisted.doesnexist"
config["tests"].append(self.testName)
self.testCase = trial._getSuite(config)._tests.pop()
self.managerAMP.run(self.testCase, self.result)
self.managerTransport.clear()
def pumpTransports(self):
"""
Sends data from C{self.workerTransport} to C{self.managerAMP}, and then
data from C{self.managerTransport} back to C{self.worker}.
"""
self.managerAMP.dataReceived(self.workerTransport.value())
self.workerTransport.clear()
self.worker.dataReceived(self.managerTransport.value())
def test_runSuccess(self):
"""
Run a test, and succeed.
"""
results = []
d = self.worker.callRemote(managercommands.AddSuccess,
testName=self.testName)
d.addCallback(lambda result: results.append(result["success"]))
self.pumpTransports()
self.assertTrue(results)
def test_runExpectedFailure(self):
"""
Run a test, and fail expectedly.
"""
results = []
d = self.worker.callRemote(
managercommands.AddExpectedFailure,
testName=self.testName,
error="error",
todo="todoReason",
)
d.addCallback(lambda result: results.append(result["success"]))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.expectedFailures[0][0])
self.assertTrue(results)
def test_runError(self):
"""
Run a test, and encounter an error.
"""
results = []
errorClass = fullyQualifiedName(ValueError)
d = self.worker.callRemote(
managercommands.AddError,
testName=self.testName,
error="error",
errorClass=errorClass,
frames=[],
)
d.addCallback(lambda result: results.append(result["success"]))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.errors[0][0])
self.assertTrue(results)
def test_runErrorWithFrames(self):
"""
L{LocalWorkerAMP._buildFailure} recreates the C{Failure.frames} from
the C{frames} argument passed to C{AddError}.
"""
results = []
errorClass = fullyQualifiedName(ValueError)
d = self.worker.callRemote(
managercommands.AddError,
testName=self.testName,
error="error",
errorClass=errorClass,
frames=["file.py", "invalid code", "3"],
)
d.addCallback(lambda result: results.append(result["success"]))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.errors[0][0])
self.assertEqual([("file.py", "invalid code", 3, [], [])],
self.result.errors[0][1].frames)
self.assertTrue(results)
def test_runFailure(self):
"""
Run a test, and fail.
"""
results = []
failClass = fullyQualifiedName(RuntimeError)
d = self.worker.callRemote(
managercommands.AddFailure,
testName=self.testName,
fail="fail",
failClass=failClass,
frames=[],
)
d.addCallback(lambda result: results.append(result["success"]))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.failures[0][0])
self.assertTrue(results)
def test_runSkip(self):
"""
Run a test, but skip it.
"""
results = []
d = self.worker.callRemote(managercommands.AddSkip,
testName=self.testName,
reason="reason")
d.addCallback(lambda result: results.append(result["success"]))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.skips[0][0])
self.assertTrue(results)
def test_runUnexpectedSuccesses(self):
"""
Run a test, and succeed unexpectedly.
"""
results = []
d = self.worker.callRemote(managercommands.AddUnexpectedSuccess,
testName=self.testName,
todo="todo")
d.addCallback(lambda result: results.append(result["success"]))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.unexpectedSuccesses[0][0])
self.assertTrue(results)
def test_testWrite(self):
"""
L{LocalWorkerAMP.testWrite} writes the data received to its test
stream.
"""
results = []
stream = StringIO()
self.managerAMP.setTestStream(stream)
command = managercommands.TestWrite
d = self.worker.callRemote(command, out="Some output")
d.addCallback(lambda result: results.append(result["success"]))
self.pumpTransports()
self.assertEqual("Some output\n", stream.getvalue())
self.assertTrue(results)
def test_stopAfterRun(self):
"""
L{LocalWorkerAMP.run} calls C{stopTest} on its test result once the
C{Run} commands has succeeded.
"""
result = object()
stopped = []
def fakeCallRemote(command, testCase):
return succeed(result)
self.managerAMP.callRemote = fakeCallRemote
class StopTestResult(TestResult):
def stopTest(self, test):
stopped.append(test)
d = self.managerAMP.run(self.testCase, StopTestResult())
self.assertEqual([self.testCase], stopped)
return d.addCallback(self.assertIdentical, result)
class CredReceiverTests(TestCase):
"""
Tests for L{CredReceiver}, an L{IBoxReceiver} which integrates with
L{twisted.cred} to provide authentication and authorization of AMP
connections.
"""
def setUp(self):
"""
Create a L{CredReceiver} hooked up to a fake L{IBoxSender} which
records boxes sent through it.
"""
self.username = '******'
self.password = '******'
self.checker = InMemoryUsernamePasswordDatabaseDontUse()
self.checker.addUser(self.username, self.password)
self.avatar = StubAvatar()
self.realm = StubRealm(self.avatar)
self.portal = Portal(self.realm, [self.checker])
self.server = CredReceiver()
self.server.portal = self.portal
self.client = AMP()
self.finished = loopbackAsync(self.server, self.client)
def test_otpLogin(self):
"""
L{CredReceiver.otpLogin} returns without error if the pad is valid.
"""
PAD = 'test_otpLogin'
self.portal.registerChecker(OneTimePadChecker({PAD: 'user'}))
d = self.server.otpLogin(PAD)
def cbLoggedIn(result):
self.assertEqual(result, {})
d.addCallback(cbLoggedIn)
return d
def test_otpLoginUnauthorized(self):
"""
L{CredReceiver.otpLogin} should fail with L{UnauthorizedLogin} if an
invalid pad is received.
"""
self.portal.registerChecker(OneTimePadChecker({}))
return self.assertFailure(
self.server.otpLogin('test_otpLoginUnauthorized'),
UnauthorizedLogin)
def test_otpLoginNotImplemented(self):
"""
L{CredReceiver.otpLogin} should fail with L{NotImplementedError} if
the realm raises L{NotImplementedError} when asked for the avatar.
"""
def noAvatar(avatarId, mind, *interfaces):
raise NotImplementedError()
self.realm.requestAvatar = noAvatar
PAD = 'test_otpLoginNotImplemented'
self.portal.registerChecker(OneTimePadChecker({PAD: 'user'}))
return self.assertFailure(
self.server.otpLogin(PAD), NotImplementedError)
def test_otpLoginResponder(self):
"""
L{CredReceiver} responds to the L{OTPLogin} command.
"""
PAD = 'test_otpLoginResponder'
self.portal.registerChecker(OneTimePadChecker({PAD: 'user'}))
d = self.client.callRemote(OTPLogin, pad=PAD)
def cbLoggedIn(result):
self.assertEqual(result, {})
d.addCallback(cbLoggedIn)
return d
def test_passwordLoginDifferentChallenges(self):
"""
L{CredReceiver.passwordLogin} returns a new challenge each time it is
called.
"""
first = self.server.passwordLogin(self.username)
second = self.server.passwordLogin(self.username)
self.assertNotEqual(first['challenge'], second['challenge'])
def test_passwordLoginResponder(self):
"""
L{CredReceiver} responds to the L{PasswordLogin} L{Command} with a
challenge.
"""
d = self.client.callRemote(PasswordLogin, username=self.username)
def cbLogin(result):
self.assertIn('challenge', result)
d.addCallback(cbLogin)
return d
def test_determineFromDifferentNonces(self):
"""
Each time L{PasswordChallengeResponse.determineFrom} is used, it
generates a different C{cnonce} value.
"""
first = PasswordChallengeResponse.determineFrom('a', 'b')
second = PasswordChallengeResponse.determineFrom('a', 'b')
self.assertNotEqual(first['cnonce'], second['cnonce'])
def test_passwordChallengeResponse(self):
"""
L{CredReceiver.passwordChallengeResponse} returns without error if the
response is valid.
"""
challenge = self.server.passwordLogin(self.username)['challenge']
cnonce = '123abc'
cleartext = '%s %s %s' % (challenge, cnonce, self.password)
response = sha1(cleartext).digest()
d = self.server.passwordChallengeResponse(cnonce, response)
def cbLoggedIn(result):
self.assertEqual(result, {})
d.addCallback(cbLoggedIn)
return d
def test_passwordChallengeResponseResponder(self):
"""
L{CredReceiver} responds to the L{PasswordChallengeResponse} L{Command}
with an empty box if the response supplied is valid.
"""
challenge = self.server.passwordLogin(self.username)['challenge']
d = self.client.callRemote(
PasswordChallengeResponse, **PasswordChallengeResponse.determineFrom(
challenge, self.password))
def cbResponded(result):
self.assertEqual(result, {})
d.addCallback(cbResponded)
return d
def test_response(self):
"""
L{PasswordChallengeResponse.determineFrom} generates the correct
response to a challenge issued by L{CredReceiver.passwordLogin}.
"""
challenge = self.server.passwordLogin(self.username)['challenge']
result = PasswordChallengeResponse.determineFrom(
challenge, self.password)
d = self.server.passwordChallengeResponse(**result)
def cbLoggedIn(ignored):
[(avatarId, mind, interfaces)] = self.realm.requests
self.assertEqual(avatarId, self.username)
self.assertEqual(interfaces, (IBoxReceiver,))
# The avatar is now the protocol's box receiver.
self.assertIdentical(self.server.boxReceiver, self.avatar)
# And the avatar has been started up with the protocol's
# IBoxSender.
self.assertIdentical(self.avatar.boxSender, self.server.boxSender)
# After the connection is lost, the logout function should be
# called.
self.assertEqual(self.realm.loggedOut, 0)
self.server.connectionLost(
Failure(ConnectionDone("test connection lost")))
self.assertEqual(self.realm.loggedOut, 1)
d.addCallback(cbLoggedIn)
return d
def test_invalidResponse(self):
"""
L{CredReceiver.passwordChallengeResponse} returns a L{Deferred} which
fails with L{UnauthorizedLogin} if it is passed a response which is not
valid.
"""
challenge = self.server.passwordLogin(self.username)['challenge']
return self.assertFailure(
self.server.passwordChallengeResponse(cnonce='bar', response='baz'),
UnauthorizedLogin)
def test_connectionLostWithoutAvatar(self):
"""
L{CredReceiver.connectionLost} does not raise an exception if no login
has occurred when it is called.
"""
self.server.connectionLost(
Failure(ConnectionDone("test connection lost")))
def test_unrecognizedCredentialsLogin(self):
"""
L{login} raises L{UnhandledCredentials} if passed a credentials object
which provides no interface explicitly supported by that function,
currently L{IUsernamePassword}.
"""
self.assertRaises(UnhandledCredentials, login, None, None)
def test_passwordChallengeLogin(self):
"""
L{login} issues the commands necessary to authenticate against
L{CredReceiver} when given an L{IUsernamePassword} provider with its
C{username} and C{password} attributes set to valid credentials.
"""
loginDeferred = login(
self.client, UsernamePassword(self.username, self.password))
def cbLoggedIn(clientAgain):
self.assertIdentical(self.client, clientAgain)
self.assertIdentical(self.server.boxReceiver, self.avatar)
loginDeferred.addCallback(cbLoggedIn)
return loginDeferred
def test_passwordChallengeInvalid(self):
"""
L{login} returns a L{Deferred} which fires with L{UnauthorizedLogin} if
the L{UsernamePassword} credentials object given does not contain valid
authentication information.
"""
boxReceiver = self.server.boxReceiver
loginDeferred = login(
self.client, UsernamePassword(self.username + 'x', self.password))
self.assertFailure(loginDeferred, UnauthorizedLogin)
def cbFailed(ignored):
self.assertIdentical(self.server.boxReceiver, boxReceiver)
loginDeferred.addCallback(cbFailed)
return loginDeferred
def test_noAvatar(self):
"""
L{login} returns a L{Deferred} which fires with L{NotImplementedError}
if the realm raises L{NotImplementedError} when asked for the avatar.
"""
def noAvatar(avatarId, mind, *interfaces):
raise NotImplementedError()
self.realm.requestAvatar = noAvatar
loginDeferred = login(
self.client, UsernamePassword(self.username, self.password))
return self.assertFailure(loginDeferred, NotImplementedError)
class LocalWorkerAMPTests(TestCase):
"""
Test case for distributed trial's manager-side local worker AMP protocol
"""
def setUp(self):
self.managerTransport = StringTransport()
self.managerAMP = LocalWorkerAMP()
self.managerAMP.makeConnection(self.managerTransport)
self.result = TestResult()
self.workerTransport = StringTransport()
self.worker = AMP()
self.worker.makeConnection(self.workerTransport)
config = trial.Options()
self.testName = "twisted.doesnexist"
config['tests'].append(self.testName)
self.testCase = trial._getSuite(config)._tests.pop()
self.managerAMP.run(self.testCase, self.result)
self.managerTransport.clear()
def pumpTransports(self):
"""
Sends data from C{self.workerTransport} to C{self.managerAMP}, and then
data from C{self.managerTransport} back to C{self.worker}.
"""
self.managerAMP.dataReceived(self.workerTransport.value())
self.workerTransport.clear()
self.worker.dataReceived(self.managerTransport.value())
def test_runSuccess(self):
"""
Run a test, and succeed.
"""
results = []
d = self.worker.callRemote(managercommands.AddSuccess,
testName=self.testName)
d.addCallback(lambda result: results.append(result['success']))
self.pumpTransports()
self.assertTrue(results)
def test_runExpectedFailure(self):
"""
Run a test, and fail expectedly.
"""
results = []
d = self.worker.callRemote(managercommands.AddExpectedFailure,
testName=self.testName, error='error',
todo='todoReason')
d.addCallback(lambda result: results.append(result['success']))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.expectedFailures[0][0])
self.assertTrue(results)
def test_runError(self):
"""
Run a test, and encounter an error.
"""
results = []
d = self.worker.callRemote(managercommands.AddError,
testName=self.testName, error='error',
errorClass='exceptions.ValueError',
frames=[])
d.addCallback(lambda result: results.append(result['success']))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.errors[0][0])
self.assertTrue(results)
def test_runErrorWithFrames(self):
"""
L{LocalWorkerAMP._buildFailure} recreates the C{Failure.frames} from
the C{frames} argument passed to C{AddError}.
"""
results = []
d = self.worker.callRemote(managercommands.AddError,
testName=self.testName, error='error',
errorClass='exceptions.ValueError',
frames=["file.py", "invalid code", "3"])
d.addCallback(lambda result: results.append(result['success']))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.errors[0][0])
self.assertEqual(
[('file.py', 'invalid code', 3, [], [])],
self.result.errors[0][1].frames)
self.assertTrue(results)
def test_runFailure(self):
"""
Run a test, and fail.
"""
results = []
d = self.worker.callRemote(managercommands.AddFailure,
testName=self.testName, fail='fail',
failClass='exceptions.RuntimeError',
frames=[])
d.addCallback(lambda result: results.append(result['success']))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.failures[0][0])
self.assertTrue(results)
def test_runSkip(self):
"""
Run a test, but skip it.
"""
results = []
d = self.worker.callRemote(managercommands.AddSkip,
testName=self.testName, reason='reason')
d.addCallback(lambda result: results.append(result['success']))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.skips[0][0])
self.assertTrue(results)
def test_runUnexpectedSuccesses(self):
"""
Run a test, and succeed unexpectedly.
"""
results = []
d = self.worker.callRemote(managercommands.AddUnexpectedSuccess,
testName=self.testName,
todo='todo')
d.addCallback(lambda result: results.append(result['success']))
self.pumpTransports()
self.assertEqual(self.testCase, self.result.unexpectedSuccesses[0][0])
self.assertTrue(results)
def test_testWrite(self):
"""
L{LocalWorkerAMP.testWrite} writes the data received to its test
stream.
"""
results = []
stream = StringIO()
self.managerAMP.setTestStream(stream)
d = self.worker.callRemote(managercommands.TestWrite,
out="Some output")
d.addCallback(lambda result: results.append(result['success']))
self.pumpTransports()
self.assertEqual("Some output\n", stream.getvalue())
self.assertTrue(results)
def test_stopAfterRun(self):
"""
L{LocalWorkerAMP.run} calls C{stopTest} on its test result once the
C{Run} commands has succeeded.
"""
result = object()
stopped = []
def fakeCallRemote(command, testCase):
return succeed(result)
self.managerAMP.callRemote = fakeCallRemote
class StopTestResult(TestResult):
def stopTest(self, test):
stopped.append(test)
d = self.managerAMP.run(self.testCase, StopTestResult())
self.assertEqual([self.testCase], stopped)
return d.addCallback(self.assertIdentical, result)
class CredReceiverTests(TestCase):
"""
Tests for L{CredReceiver}, an L{IBoxReceiver} which integrates with
L{twisted.cred} to provide authentication and authorization of AMP
connections.
"""
def setUp(self):
"""
Create a L{CredReceiver} hooked up to a fake L{IBoxSender} which
records boxes sent through it.
"""
self.username = '******'
self.password = '******'
self.checker = InMemoryUsernamePasswordDatabaseDontUse()
self.checker.addUser(self.username, self.password)
self.avatar = StubAvatar()
self.realm = StubRealm(self.avatar)
self.portal = Portal(self.realm, [self.checker])
self.server = CredReceiver()
self.server.portal = self.portal
self.client = AMP()
self.finished = loopbackAsync(self.server, self.client)
def test_otpLogin(self):
"""
L{CredReceiver.otpLogin} returns without error if the pad is valid.
"""
PAD = 'test_otpLogin'
self.portal.registerChecker(OneTimePadChecker({PAD: 'user'}))
d = self.server.otpLogin(PAD)
def cbLoggedIn(result):
self.assertEqual(result, {})
d.addCallback(cbLoggedIn)
return d
def test_otpLoginUnauthorized(self):
"""
L{CredReceiver.otpLogin} should fail with L{UnauthorizedLogin} if an
invalid pad is received.
"""
self.portal.registerChecker(OneTimePadChecker({}))
return self.assertFailure(
self.server.otpLogin('test_otpLoginUnauthorized'),
UnauthorizedLogin)
def test_otpLoginNotImplemented(self):
"""
L{CredReceiver.otpLogin} should fail with L{NotImplementedError} if
the realm raises L{NotImplementedError} when asked for the avatar.
"""
def noAvatar(avatarId, mind, *interfaces):
raise NotImplementedError()
self.realm.requestAvatar = noAvatar
PAD = 'test_otpLoginNotImplemented'
self.portal.registerChecker(OneTimePadChecker({PAD: 'user'}))
return self.assertFailure(self.server.otpLogin(PAD),
NotImplementedError)
def test_otpLoginResponder(self):
"""
L{CredReceiver} responds to the L{OTPLogin} command.
"""
PAD = 'test_otpLoginResponder'
self.portal.registerChecker(OneTimePadChecker({PAD: 'user'}))
d = self.client.callRemote(OTPLogin, pad=PAD)
def cbLoggedIn(result):
self.assertEqual(result, {})
d.addCallback(cbLoggedIn)
return d
def test_passwordLoginDifferentChallenges(self):
"""
L{CredReceiver.passwordLogin} returns a new challenge each time it is
called.
"""
first = self.server.passwordLogin(self.username)
second = self.server.passwordLogin(self.username)
self.assertNotEqual(first['challenge'], second['challenge'])
def test_passwordLoginResponder(self):
"""
L{CredReceiver} responds to the L{PasswordLogin} L{Command} with a
challenge.
"""
d = self.client.callRemote(PasswordLogin, username=self.username)
def cbLogin(result):
self.assertIn('challenge', result)
d.addCallback(cbLogin)
return d
def test_determineFromDifferentNonces(self):
"""
Each time L{PasswordChallengeResponse.determineFrom} is used, it
generates a different C{cnonce} value.
"""
first = PasswordChallengeResponse.determineFrom('a', 'b')
second = PasswordChallengeResponse.determineFrom('a', 'b')
self.assertNotEqual(first['cnonce'], second['cnonce'])
def test_passwordChallengeResponse(self):
"""
L{CredReceiver.passwordChallengeResponse} returns without error if the
response is valid.
"""
challenge = self.server.passwordLogin(self.username)['challenge']
cnonce = '123abc'
cleartext = '%s %s %s' % (challenge, cnonce, self.password)
response = sha1(cleartext).digest()
d = self.server.passwordChallengeResponse(cnonce, response)
def cbLoggedIn(result):
self.assertEqual(result, {})
d.addCallback(cbLoggedIn)
return d
def test_passwordChallengeResponseResponder(self):
"""
L{CredReceiver} responds to the L{PasswordChallengeResponse} L{Command}
with an empty box if the response supplied is valid.
"""
challenge = self.server.passwordLogin(self.username)['challenge']
d = self.client.callRemote(
PasswordChallengeResponse,
**PasswordChallengeResponse.determineFrom(challenge,
self.password))
def cbResponded(result):
self.assertEqual(result, {})
d.addCallback(cbResponded)
return d
def test_response(self):
"""
L{PasswordChallengeResponse.determineFrom} generates the correct
response to a challenge issued by L{CredReceiver.passwordLogin}.
"""
challenge = self.server.passwordLogin(self.username)['challenge']
result = PasswordChallengeResponse.determineFrom(
challenge, self.password)
d = self.server.passwordChallengeResponse(**result)
def cbLoggedIn(ignored):
[(avatarId, mind, interfaces)] = self.realm.requests
self.assertEqual(avatarId, self.username)
self.assertEqual(interfaces, (IBoxReceiver, ))
# The avatar is now the protocol's box receiver.
self.assertIdentical(self.server.boxReceiver, self.avatar)
# And the avatar has been started up with the protocol's
# IBoxSender.
self.assertIdentical(self.avatar.boxSender, self.server.boxSender)
# After the connection is lost, the logout function should be
# called.
self.assertEqual(self.realm.loggedOut, 0)
self.server.connectionLost(
Failure(ConnectionDone("test connection lost")))
self.assertEqual(self.realm.loggedOut, 1)
d.addCallback(cbLoggedIn)
return d
def test_invalidResponse(self):
"""
L{CredReceiver.passwordChallengeResponse} returns a L{Deferred} which
fails with L{UnauthorizedLogin} if it is passed a response which is not
valid.
"""
challenge = self.server.passwordLogin(self.username)['challenge']
return self.assertFailure(
self.server.passwordChallengeResponse(cnonce='bar',
response='baz'),
UnauthorizedLogin)
def test_connectionLostWithoutAvatar(self):
"""
L{CredReceiver.connectionLost} does not raise an exception if no login
has occurred when it is called.
"""
self.server.connectionLost(
Failure(ConnectionDone("test connection lost")))
def test_unrecognizedCredentialsLogin(self):
"""
L{login} raises L{UnhandledCredentials} if passed a credentials object
which provides no interface explicitly supported by that function,
currently L{IUsernamePassword}.
"""
self.assertRaises(UnhandledCredentials, login, None, None)
def test_passwordChallengeLogin(self):
"""
L{login} issues the commands necessary to authenticate against
L{CredReceiver} when given an L{IUsernamePassword} provider with its
C{username} and C{password} attributes set to valid credentials.
"""
loginDeferred = login(self.client,
UsernamePassword(self.username, self.password))
def cbLoggedIn(clientAgain):
self.assertIdentical(self.client, clientAgain)
self.assertIdentical(self.server.boxReceiver, self.avatar)
loginDeferred.addCallback(cbLoggedIn)
return loginDeferred
def test_passwordChallengeInvalid(self):
"""
L{login} returns a L{Deferred} which fires with L{UnauthorizedLogin} if
the L{UsernamePassword} credentials object given does not contain valid
authentication information.
"""
boxReceiver = self.server.boxReceiver
loginDeferred = login(
self.client, UsernamePassword(self.username + 'x', self.password))
self.assertFailure(loginDeferred, UnauthorizedLogin)
def cbFailed(ignored):
self.assertIdentical(self.server.boxReceiver, boxReceiver)
loginDeferred.addCallback(cbFailed)
return loginDeferred
def test_noAvatar(self):
"""
L{login} returns a L{Deferred} which fires with L{NotImplementedError}
if the realm raises L{NotImplementedError} when asked for the avatar.
"""
def noAvatar(avatarId, mind, *interfaces):
raise NotImplementedError()
self.realm.requestAvatar = noAvatar
loginDeferred = login(self.client,
UsernamePassword(self.username, self.password))
return self.assertFailure(loginDeferred, NotImplementedError)
