class TestControl(unittest.TestCase):
def setUp(self):
socket = stem.socket.ControlSocket()
with patch('stem.control.Controller.add_event_listener', Mock()):
self.controller = Controller(socket)
def test_event_description(self):
self.assertEqual("Logging at the debug runlevel. This is low level, high volume information about tor's internals that generally isn't useful to users.", stem.control.event_description('DEBUG'))
self.assertEqual('Event emitted every second with the bytes sent and received by tor.', stem.control.event_description('BW'))
self.assertEqual('Event emitted every second with the bytes sent and received by tor.', stem.control.event_description('bw'))
def test_event_description_includes_all_events(self):
self.assertEqual(None, stem.control.event_description('NO_SUCH_EVENT'))
for event in stem.control.EventType:
self.assertTrue(stem.control.event_description(event) is not None)
@patch('stem.control.Controller.msg')
def test_get_info(self, msg_mock):
msg_mock.return_value = ControlMessage.from_str('250-hello=hi right back!\r\n250 OK\r\n', 'GETINFO')
self.assertEqual('hi right back!', self.controller.get_info('hello'))
@patch('stem.control.Controller.msg')
def test_get_info_address_caching(self, msg_mock):
test_start = time.time()
msg_mock.return_value = ControlMessage.from_str('551 Address unknown\r\n')
self.assertEqual(0, self.controller._address_cached_at)
self.assertEqual(None, self.controller._last_address_exc)
self.assertRaisesRegexp(stem.ProtocolError, 'Address unknown', self.controller.get_info, 'address')
self.assertTrue(test_start <= self.controller._address_cached_at <= time.time())
self.assertEqual("GETINFO response didn't have an OK status:\nAddress unknown", str(self.controller._last_address_exc))
self.assertEqual(1, msg_mock.call_count)
# now that we have a cached failure we should provide that back
self.assertRaisesRegexp(stem.ProtocolError, 'Address unknown', self.controller.get_info, 'address')
self.assertEqual(1, msg_mock.call_count)
# pretend it's a minute later and try again, now with an address
msg_mock.return_value = ControlMessage.from_str('250-address=17.2.89.80\r\n250 OK\r\n', 'GETINFO')
self.assertRaisesRegexp(stem.ProtocolError, 'Address unknown', self.controller.get_info, 'address')
self.controller._address_cached_at -= 60
self.assertEqual('17.2.89.80', self.controller.get_info('address'))
@patch('stem.control.Controller.msg')
@patch('stem.control.Controller.get_conf')
def test_get_info_without_fingerprint(self, get_conf_mock, msg_mock):
msg_mock.return_value = ControlMessage.from_str('551 Not running in server mode\r\n')
get_conf_mock.return_value = None
self.assertEqual(None, self.controller._last_fingerprint_exc)
self.assertRaisesRegexp(stem.ProtocolError, 'Not running in server mode', self.controller.get_info, 'fingerprint')
self.assertEqual("GETINFO response didn't have an OK status:\nNot running in server mode", str(self.controller._last_fingerprint_exc))
self.assertEqual(1, msg_mock.call_count)
# now that we have a cached failure we should provide that back
self.assertRaisesRegexp(stem.ProtocolError, 'Not running in server mode', self.controller.get_info, 'fingerprint')
self.assertEqual(1, msg_mock.call_count)
# ... but if we become a relay we'll call it again
get_conf_mock.return_value = '443'
self.assertRaisesRegexp(stem.ProtocolError, 'Not running in server mode', self.controller.get_info, 'fingerprint')
self.assertEqual(2, msg_mock.call_count)
@patch('stem.control.Controller.get_info')
def test_get_version(self, get_info_mock):
"""
Exercises the get_version() method.
"""
try:
# Use one version for first check.
version_2_1 = '0.2.1.32'
version_2_1_object = stem.version.Version(version_2_1)
get_info_mock.return_value = version_2_1
# Return a version with a cold cache.
self.assertEqual(version_2_1_object, self.controller.get_version())
# Use a different version for second check.
version_2_2 = '0.2.2.39'
version_2_2_object = stem.version.Version(version_2_2)
get_info_mock.return_value = version_2_2
# Return a version with a hot cache, so it will be the old version.
self.assertEqual(version_2_1_object, self.controller.get_version())
# Turn off caching.
self.controller._is_caching_enabled = False
# Return a version without caching, so it will be the new version.
self.assertEqual(version_2_2_object, self.controller.get_version())
# Spec says the getinfo response may optionally be prefixed by 'Tor '. In
# practice it doesn't but we should accept that.
get_info_mock.return_value = 'Tor 0.2.1.32'
self.assertEqual(version_2_1_object, self.controller.get_version())
# Raise an exception in the get_info() call.
get_info_mock.side_effect = InvalidArguments
# Get a default value when the call fails.
self.assertEqual(
'default returned',
self.controller.get_version(default = 'default returned')
)
# No default value, accept the error.
self.assertRaises(InvalidArguments, self.controller.get_version)
# Give a bad version. The stem.version.Version ValueError should bubble up.
version_A_42 = '0.A.42.spam'
get_info_mock.return_value = version_A_42
get_info_mock.side_effect = None
self.assertRaises(ValueError, self.controller.get_version)
finally:
# Turn caching back on before we leave.
self.controller._is_caching_enabled = True
@patch('stem.control.Controller.get_info')
@patch('stem.control.Controller.get_conf')
def test_get_exit_policy(self, get_conf_mock, get_info_mock):
"""
Exercises the get_exit_policy() method.
"""
get_conf_mock.side_effect = lambda param, **kwargs: {
'ExitPolicyRejectPrivate': '1',
'ExitPolicy': ['accept *:80, accept *:443', 'accept 43.5.5.5,reject *:22'],
}[param]
get_info_mock.side_effect = lambda param, default = None: {
'address': '123.45.67.89',
'exit-policy/default': 'reject *:25,reject *:119,reject *:135-139,reject *:445,reject *:563,reject *:1214,reject *:4661-4666,reject *:6346-6429,reject *:6699,reject *:6881-6999,accept *:*',
}[param]
expected = ExitPolicy(
'reject 0.0.0.0/8:*', # private entries
'reject 169.254.0.0/16:*',
'reject 127.0.0.0/8:*',
'reject 192.168.0.0/16:*',
'reject 10.0.0.0/8:*',
'reject 172.16.0.0/12:*',
'reject 123.45.67.89:*', # relay's public address
'accept *:80', # finally we get to our ExitPolicy
'accept *:443',
'accept 43.5.5.5:*',
'reject *:22',
'reject *:25', # default policy
'reject *:119',
'reject *:135-139',
'reject *:445',
'reject *:563',
'reject *:1214',
'reject *:4661-4666',
'reject *:6346-6429',
'reject *:6699',
'reject *:6881-6999',
'accept *:*',
)
self.assertEqual(expected, self.controller.get_exit_policy())
@patch('stem.control.Controller.get_info')
@patch('stem.control.Controller.get_conf')
def test_get_ports(self, get_conf_mock, get_info_mock):
"""
Exercises the get_ports() and get_listeners() methods.
"""
# Exercise as an old version of tor that doesn't support the 'GETINFO
# net/listeners/*' options.
get_info_mock.side_effect = InvalidArguments
get_conf_mock.side_effect = lambda param, **kwargs: {
'ControlPort': '9050',
'ControlListenAddress': ['127.0.0.1'],
}[param]
self.assertEqual([('127.0.0.1', 9050)], self.controller.get_listeners(Listener.CONTROL))
self.assertEqual([9050], self.controller.get_ports(Listener.CONTROL))
self.controller.clear_cache()
# non-local addresss
get_conf_mock.side_effect = lambda param, **kwargs: {
'ControlPort': '9050',
'ControlListenAddress': ['27.4.4.1'],
}[param]
self.assertEqual([('27.4.4.1', 9050)], self.controller.get_listeners(Listener.CONTROL))
self.assertEqual([], self.controller.get_ports(Listener.CONTROL))
self.controller.clear_cache()
# exercise via the GETINFO option
get_info_mock.side_effect = None
get_info_mock.return_value = '"127.0.0.1:1112" "127.0.0.1:1114"'
self.assertEqual(
[('127.0.0.1', 1112), ('127.0.0.1', 1114)],
self.controller.get_listeners(Listener.CONTROL)
)
self.assertEqual([1112, 1114], self.controller.get_ports(Listener.CONTROL))
self.controller.clear_cache()
# with all localhost addresses, including a couple that aren't
get_info_mock.side_effect = None
get_info_mock.return_value = '"27.4.4.1:1113" "127.0.0.5:1114" "0.0.0.0:1115" "[::]:1116" "[::1]:1117" "[10::]:1118"'
self.assertEqual([1114, 1115, 1116, 1117], self.controller.get_ports(Listener.OR))
self.controller.clear_cache()
# IPv6 address
get_info_mock.return_value = '"0.0.0.0:9001" "[fe80:0000:0000:0000:0202:b3ff:fe1e:8329]:9001"'
self.assertEqual(
[('0.0.0.0', 9001), ('fe80:0000:0000:0000:0202:b3ff:fe1e:8329', 9001)],
self.controller.get_listeners(Listener.CONTROL)
)
# unix socket file
self.controller.clear_cache()
get_info_mock.return_value = '"unix:/tmp/tor/socket"'
self.assertEqual([], self.controller.get_listeners(Listener.CONTROL))
self.assertEqual([], self.controller.get_ports(Listener.CONTROL))
@patch('stem.control.Controller.get_info')
@patch('stem.control.Controller.get_conf')
def test_get_socks_listeners_old(self, get_conf_mock, get_info_mock):
"""
Exercises the get_socks_listeners() method as though talking to an old tor
instance.
"""
# An old tor raises stem.InvalidArguments for get_info about socks, but
# get_socks_listeners should work anyway.
get_info_mock.side_effect = InvalidArguments
get_conf_mock.side_effect = lambda param, **kwargs: {
'SocksPort': '9050',
'SocksListenAddress': ['127.0.0.1'],
}[param]
self.assertEqual([('127.0.0.1', 9050)], self.controller.get_socks_listeners())
self.controller.clear_cache()
# Again, an old tor, but SocksListenAddress overrides the port number.
get_conf_mock.side_effect = lambda param, **kwargs: {
'SocksPort': '9050',
'SocksListenAddress': ['127.0.0.1:1112'],
}[param]
self.assertEqual([('127.0.0.1', 1112)], self.controller.get_socks_listeners())
self.controller.clear_cache()
# Again, an old tor, but multiple listeners
get_conf_mock.side_effect = lambda param, **kwargs: {
'SocksPort': '9050',
'SocksListenAddress': ['127.0.0.1:1112', '127.0.0.1:1114'],
}[param]
self.assertEqual([('127.0.0.1', 1112), ('127.0.0.1', 1114)], self.controller.get_socks_listeners())
self.controller.clear_cache()
# Again, an old tor, but no SOCKS listeners
get_conf_mock.side_effect = lambda param, **kwargs: {
'SocksPort': '0',
'SocksListenAddress': [],
}[param]
self.assertEqual([], self.controller.get_socks_listeners())
self.controller.clear_cache()
# Where tor provides invalid ports or addresses
get_conf_mock.side_effect = lambda param, **kwargs: {
'SocksPort': 'blarg',
'SocksListenAddress': ['127.0.0.1'],
}[param]
self.assertRaises(stem.ProtocolError, self.controller.get_socks_listeners)
get_conf_mock.side_effect = lambda param, **kwargs: {
'SocksPort': '0',
'SocksListenAddress': ['127.0.0.1:abc'],
}[param]
self.assertRaises(stem.ProtocolError, self.controller.get_socks_listeners)
get_conf_mock.side_effect = lambda param, **kwargs: {
'SocksPort': '40',
'SocksListenAddress': ['500.0.0.1'],
}[param]
self.assertRaises(stem.ProtocolError, self.controller.get_socks_listeners)
@patch('stem.control.Controller.get_info')
def test_get_socks_listeners_new(self, get_info_mock):
"""
Exercises the get_socks_listeners() method as if talking to a newer tor
instance.
"""
# multiple SOCKS listeners
get_info_mock.return_value = '"127.0.0.1:1112" "127.0.0.1:1114"'
self.assertEqual(
[('127.0.0.1', 1112), ('127.0.0.1', 1114)],
self.controller.get_socks_listeners()
)
# no SOCKS listeners
self.controller.clear_cache()
get_info_mock.return_value = ''
self.assertEqual([], self.controller.get_socks_listeners())
# check where GETINFO provides malformed content
invalid_responses = (
'"127.0.0.1"', # address only
'"1112"', # port only
'"5127.0.0.1:1112"', # invlaid address
'"127.0.0.1:991112"', # invalid port
)
for response in invalid_responses:
self.controller.clear_cache()
get_info_mock.return_value = response
self.assertRaises(stem.ProtocolError, self.controller.get_socks_listeners)
@patch('stem.control.Controller.get_info')
@patch('time.time', Mock(return_value = 1410723598.276578))
def test_get_accounting_stats(self, get_info_mock):
"""
Exercises the get_accounting_stats() method.
"""
get_info_mock.side_effect = lambda param, **kwargs: {
'accounting/enabled': '1',
'accounting/hibernating': 'awake',
'accounting/interval-end': '2014-09-14 19:41:00',
'accounting/bytes': '4837 2050',
'accounting/bytes-left': '102944 7440',
}[param]
expected = stem.control.AccountingStats(
1410723598.276578,
'awake',
datetime.datetime(2014, 9, 14, 19, 41),
62,
4837, 102944, 107781,
2050, 7440, 9490,
)
self.assertEqual(expected, self.controller.get_accounting_stats())
get_info_mock.side_effect = ControllerError('nope, too bad')
self.assertRaises(ControllerError, self.controller.get_accounting_stats)
self.assertEqual('my default', self.controller.get_accounting_stats('my default'))
@patch('stem.connection.get_protocolinfo')
def test_get_protocolinfo(self, get_protocolinfo_mock):
"""
Exercises the get_protocolinfo() method.
"""
# use the handy mocked protocolinfo response
protocolinfo_msg = ControlMessage.from_str('250-PROTOCOLINFO 1\r\n250 OK\r\n', 'PROTOCOLINFO')
get_protocolinfo_mock.return_value = protocolinfo_msg
# compare the str representation of these object, because the class
# does not have, nor need, a direct comparison operator
self.assertEqual(
str(protocolinfo_msg),
str(self.controller.get_protocolinfo())
)
# raise an exception in the stem.connection.get_protocolinfo() call
get_protocolinfo_mock.side_effect = ProtocolError
# get a default value when the call fails
self.assertEqual(
'default returned',
self.controller.get_protocolinfo(default = 'default returned')
)
# no default value, accept the error
self.assertRaises(ProtocolError, self.controller.get_protocolinfo)
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value = False))
def test_get_user_remote(self):
"""
Exercise the get_user() method for a non-local socket.
"""
self.assertRaises(ValueError, self.controller.get_user)
self.assertEqual(123, self.controller.get_user(123))
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value = True))
@patch('stem.control.Controller.get_info', Mock(return_value = 'atagar'))
def test_get_user_by_getinfo(self):
"""
Exercise the get_user() resolution via its getinfo option.
"""
self.assertEqual('atagar', self.controller.get_user())
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value = True))
@patch('stem.util.system.pid_by_name', Mock(return_value = 432))
@patch('stem.util.system.user', Mock(return_value = 'atagar'))
def test_get_user_by_system(self):
"""
Exercise the get_user() resolution via the system module.
"""
self.assertEqual('atagar', self.controller.get_user())
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value = False))
def test_get_pid_remote(self):
"""
Exercise the get_pid() method for a non-local socket.
"""
self.assertRaises(ValueError, self.controller.get_pid)
self.assertEqual(123, self.controller.get_pid(123))
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value = True))
@patch('stem.control.Controller.get_info', Mock(return_value = '321'))
def test_get_pid_by_getinfo(self):
"""
Exercise the get_pid() resolution via its getinfo option.
"""
self.assertEqual(321, self.controller.get_pid())
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value = True))
@patch('stem.control.Controller.get_conf')
@patch('stem.control.open', create = True)
def test_get_pid_by_pid_file(self, open_mock, get_conf_mock):
"""
Exercise the get_pid() resolution via a PidFile.
"""
get_conf_mock.return_value = '/tmp/pid_file'
open_mock.return_value = io.BytesIO(b'432')
self.assertEqual(432, self.controller.get_pid())
open_mock.assert_called_once_with('/tmp/pid_file')
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value = True))
@patch('stem.util.system.pid_by_name', Mock(return_value = 432))
def test_get_pid_by_name(self):
"""
Exercise the get_pid() resolution via the process name.
"""
self.assertEqual(432, self.controller.get_pid())
@patch('stem.control.Controller.get_info')
def test_get_network_status_for_ourselves(self, get_info_mock):
"""
Exercises the get_network_status() method for getting our own relay.
"""
# when there's an issue getting our fingerprint
get_info_mock.side_effect = ControllerError('nope, too bad')
exc_msg = 'Unable to determine our own fingerprint: nope, too bad'
self.assertRaisesRegexp(ControllerError, exc_msg, self.controller.get_network_status)
self.assertEqual('boom', self.controller.get_network_status(default = 'boom'))
# successful request
desc = NS_DESC % ('moria1', '/96bKo4soysolMgKn5Hex2nyFSY')
get_info_mock.side_effect = lambda param, **kwargs: {
'fingerprint': '9695DFC35FFEB861329B9F1AB04C46397020CE31',
'ns/id/9695DFC35FFEB861329B9F1AB04C46397020CE31': desc,
}[param]
self.assertEqual(stem.descriptor.router_status_entry.RouterStatusEntryV3(desc), self.controller.get_network_status())
@patch('stem.control.Controller.get_info')
def test_get_network_status_when_unavailable(self, get_info_mock):
"""
Exercises the get_network_status() method.
"""
get_info_mock.side_effect = InvalidArguments(None, 'GETINFO request contained unrecognized keywords: ns/id/5AC9C5AA75BA1F18D8459B326B4B8111A856D290')
exc_msg = "Tor was unable to provide the descriptor for '5AC9C5AA75BA1F18D8459B326B4B8111A856D290'"
self.assertRaisesRegexp(DescriptorUnavailable, exc_msg, self.controller.get_network_status, '5AC9C5AA75BA1F18D8459B326B4B8111A856D290')
@patch('stem.control.Controller.get_info')
def test_get_network_status(self, get_info_mock):
"""
Exercises the get_network_status() method.
"""
# build a single router status entry
nickname = 'Beaver'
fingerprint = '/96bKo4soysolMgKn5Hex2nyFSY'
desc = NS_DESC % (nickname, fingerprint)
router = stem.descriptor.router_status_entry.RouterStatusEntryV3(desc)
# always return the same router status entry
get_info_mock.return_value = desc
# pretend to get the router status entry with its name
self.assertEqual(router, self.controller.get_network_status(nickname))
# pretend to get the router status entry with its fingerprint
hex_fingerprint = stem.descriptor.router_status_entry._base64_to_hex(fingerprint, False)
self.assertEqual(router, self.controller.get_network_status(hex_fingerprint))
# mangle hex fingerprint and try again
hex_fingerprint = hex_fingerprint[2:]
self.assertRaises(ValueError, self.controller.get_network_status, hex_fingerprint)
# raise an exception in the get_info() call
get_info_mock.side_effect = InvalidArguments
# get a default value when the call fails
self.assertEqual(
'default returned',
self.controller.get_network_status(nickname, default = 'default returned')
)
# no default value, accept the error
self.assertRaises(InvalidArguments, self.controller.get_network_status, nickname)
@patch('stem.control.Controller.is_authenticated', Mock(return_value = True))
@patch('stem.control.Controller._attach_listeners', Mock(return_value = ([], [])))
@patch('stem.control.Controller.get_version')
def test_event_listening(self, get_version_mock):
"""
Exercises the add_event_listener and remove_event_listener methods.
"""
# set up for failure to create any events
get_version_mock.return_value = stem.version.Version('0.1.0.14')
self.assertRaises(InvalidRequest, self.controller.add_event_listener, Mock(), EventType.BW)
# set up to only fail newer events
get_version_mock.return_value = stem.version.Version('0.2.0.35')
# EventType.BW is one of the earliest events
self.controller.add_event_listener(Mock(), EventType.BW)
# EventType.SIGNAL was added in tor version 0.2.3.1-alpha
self.assertRaises(InvalidRequest, self.controller.add_event_listener, Mock(), EventType.SIGNAL)
def test_get_streams(self):
"""
Exercises the get_streams() method.
"""
# get a list of fake, but good looking, streams
valid_streams = (
('1', 'NEW', '4', '10.10.10.1:80'),
('2', 'SUCCEEDED', '4', '10.10.10.1:80'),
('3', 'SUCCEEDED', '4', '10.10.10.1:80')
)
response = ''.join(['%s\r\n' % ' '.join(entry) for entry in valid_streams])
with patch('stem.control.Controller.get_info', Mock(return_value = response)):
streams = self.controller.get_streams()
self.assertEqual(len(valid_streams), len(streams))
for index, stream in enumerate(streams):
self.assertEqual(valid_streams[index][0], stream.id)
self.assertEqual(valid_streams[index][1], stream.status)
self.assertEqual(valid_streams[index][2], stream.circ_id)
self.assertEqual(valid_streams[index][3], stream.target)
def test_attach_stream(self):
"""
Exercises the attach_stream() method.
"""
# Response when the stream is in a state where it can't be attached (for
# instance, it's already open).
response = stem.response.ControlMessage.from_str('555 Connection is not managed by controller.\r\n')
with patch('stem.control.Controller.msg', Mock(return_value = response)):
self.assertRaises(UnsatisfiableRequest, self.controller.attach_stream, 'stream_id', 'circ_id')
def test_parse_circ_path(self):
"""
Exercises the _parse_circ_path() helper function.
"""
# empty input
self.assertEqual([], _parse_circ_path(None))
self.assertEqual([], _parse_circ_path(''))
# check the pydoc examples
pydoc_examples = {
'$999A226EBED397F331B612FE1E4CFAE5C1F201BA=piyaz':
[('999A226EBED397F331B612FE1E4CFAE5C1F201BA', 'piyaz')],
'$E57A476CD4DFBD99B4EE52A100A58610AD6E80B9,hamburgerphone,PrivacyRepublic14':
[
('E57A476CD4DFBD99B4EE52A100A58610AD6E80B9', None),
(None, 'hamburgerphone'),
(None, 'PrivacyRepublic14'),
],
}
for test_input, expected in pydoc_examples.items():
self.assertEqual(expected, _parse_circ_path(test_input))
# exercise with some invalid inputs
malformed_inputs = [
'=piyaz', # no fingerprint
'999A226EBED397F331B612FE1E4CFAE5C1F201BA=piyaz', # fingerprint missing prefix
'$999A226EBED397F331B612FE1E4CFAE5C1F201BAA=piyaz', # fingerprint too long
'$999A226EBED397F331B612FE1E4CFAE5C1F201B=piyaz', # fingerprint too short
'$999A226EBED397F331B612FE1E4CFAE5C1F201Bz=piyaz', # invalid character in fingerprint
'$999A226EBED397F331B612FE1E4CFAE5C1F201BA=', # no nickname
]
for test_input in malformed_inputs:
self.assertRaises(ProtocolError, _parse_circ_path, test_input)
@patch('stem.control.Controller.get_conf')
def test_get_effective_rate(self, get_conf_mock):
"""
Exercise the get_effective_rate() method.
"""
# check default if nothing was set
get_conf_mock.side_effect = lambda param, **kwargs: {
'BandwidthRate': '1073741824',
'BandwidthBurst': '1073741824',
'RelayBandwidthRate': '0',
'RelayBandwidthBurst': '0',
'MaxAdvertisedBandwidth': '1073741824',
}[param]
self.assertEqual(1073741824, self.controller.get_effective_rate())
self.assertEqual(1073741824, self.controller.get_effective_rate(burst = True))
get_conf_mock.side_effect = ControllerError('nope, too bad')
self.assertRaises(ControllerError, self.controller.get_effective_rate)
self.assertEqual('my_default', self.controller.get_effective_rate('my_default'))
@patch('stem.control.Controller.get_version')
def test_drop_guards(self, get_version_mock):
"""
Exercises the drop_guards() method.
"""
get_version_mock.return_value = stem.version.Version('0.1.0.14')
self.assertRaises(UnsatisfiableRequest, self.controller.drop_guards)
with patch('stem.control.Controller.msg', Mock(return_value = None)):
get_version_mock.return_value = stem.version.Version('0.2.5.2')
self.controller.drop_guards()
class TestControl(unittest.TestCase):
def setUp(self):
socket = stem.socket.ControlSocket()
# When initially constructing a controller we need to suppress msg, so our
# constructor's SETEVENTS requests pass.
with patch('stem.control.BaseController.msg', Mock()):
self.controller = Controller(socket)
self.circ_listener = Mock()
self.controller.add_event_listener(self.circ_listener,
EventType.CIRC)
self.bw_listener = Mock()
self.controller.add_event_listener(self.bw_listener, EventType.BW)
self.malformed_listener = Mock()
self.controller.add_event_listener(self.malformed_listener,
MALFORMED_EVENTS)
def test_event_description(self):
self.assertEqual(
"Logging at the debug runlevel. This is low level, high volume information about tor's internals that generally isn't useful to users.",
stem.control.event_description('DEBUG'))
self.assertEqual(
'Event emitted every second with the bytes sent and received by tor.',
stem.control.event_description('BW'))
self.assertEqual(
'Event emitted every second with the bytes sent and received by tor.',
stem.control.event_description('bw'))
def test_event_description_includes_all_events(self):
self.assertEqual(None, stem.control.event_description('NO_SUCH_EVENT'))
for event in stem.control.EventType:
self.assertTrue(stem.control.event_description(event) is not None)
@patch('stem.control.Controller.msg')
def test_get_info(self, msg_mock):
msg_mock.return_value = ControlMessage.from_str(
'250-hello=hi right back!\r\n250 OK\r\n', 'GETINFO')
self.assertEqual('hi right back!', self.controller.get_info('hello'))
@patch('stem.control.Controller.msg')
def test_get_info_address_caching(self, msg_mock):
msg_mock.return_value = ControlMessage.from_str(
'551 Address unknown\r\n')
self.assertEqual(None, self.controller._last_address_exc)
self.assertRaisesWith(stem.OperationFailed, 'Address unknown',
self.controller.get_info, 'address')
self.assertEqual('Address unknown',
str(self.controller._last_address_exc))
self.assertEqual(1, msg_mock.call_count)
# now that we have a cached failure we should provide that back
self.assertRaisesWith(stem.OperationFailed, 'Address unknown',
self.controller.get_info, 'address')
self.assertEqual(1, msg_mock.call_count)
# invalidates the cache, transitioning from no address to having one
msg_mock.return_value = ControlMessage.from_str(
'250-address=17.2.89.80\r\n250 OK\r\n', 'GETINFO')
self.assertRaisesWith(stem.OperationFailed, 'Address unknown',
self.controller.get_info, 'address')
self.controller._handle_event(
ControlMessage.from_str(
'650 STATUS_SERVER NOTICE EXTERNAL_ADDRESS ADDRESS=17.2.89.80 METHOD=DIRSERV\r\n'
))
self.assertEqual('17.2.89.80', self.controller.get_info('address'))
# invalidates the cache, transitioning from one address to another
msg_mock.return_value = ControlMessage.from_str(
'250-address=80.89.2.17\r\n250 OK\r\n', 'GETINFO')
self.assertEqual('17.2.89.80', self.controller.get_info('address'))
self.controller._handle_event(
ControlMessage.from_str(
'650 STATUS_SERVER NOTICE EXTERNAL_ADDRESS ADDRESS=80.89.2.17 METHOD=DIRSERV\r\n'
))
self.assertEqual('80.89.2.17', self.controller.get_info('address'))
@patch('stem.control.Controller.msg')
@patch('stem.control.Controller.get_conf')
def test_get_info_without_fingerprint(self, get_conf_mock, msg_mock):
msg_mock.return_value = ControlMessage.from_str(
'551 Not running in server mode\r\n')
get_conf_mock.return_value = None
self.assertEqual(None, self.controller._last_fingerprint_exc)
self.assertRaisesWith(stem.OperationFailed,
'Not running in server mode',
self.controller.get_info, 'fingerprint')
self.assertEqual('Not running in server mode',
str(self.controller._last_fingerprint_exc))
self.assertEqual(1, msg_mock.call_count)
# now that we have a cached failure we should provide that back
self.assertRaisesWith(stem.OperationFailed,
'Not running in server mode',
self.controller.get_info, 'fingerprint')
self.assertEqual(1, msg_mock.call_count)
# ... but if we become a relay we'll call it again
get_conf_mock.return_value = '443'
self.assertRaisesWith(stem.OperationFailed,
'Not running in server mode',
self.controller.get_info, 'fingerprint')
self.assertEqual(2, msg_mock.call_count)
@patch('stem.control.Controller.get_info')
def test_get_version(self, get_info_mock):
"""
Exercises the get_version() method.
"""
try:
# Use one version for first check.
version_2_1 = '0.2.1.32'
version_2_1_object = stem.version.Version(version_2_1)
get_info_mock.return_value = version_2_1
# Return a version with a cold cache.
self.assertEqual(version_2_1_object, self.controller.get_version())
# Use a different version for second check.
version_2_2 = '0.2.2.39'
version_2_2_object = stem.version.Version(version_2_2)
get_info_mock.return_value = version_2_2
# Return a version with a hot cache, so it will be the old version.
self.assertEqual(version_2_1_object, self.controller.get_version())
# Turn off caching.
self.controller._is_caching_enabled = False
# Return a version without caching, so it will be the new version.
self.assertEqual(version_2_2_object, self.controller.get_version())
# Spec says the getinfo response may optionally be prefixed by 'Tor '. In
# practice it doesn't but we should accept that.
get_info_mock.return_value = 'Tor 0.2.1.32'
self.assertEqual(version_2_1_object, self.controller.get_version())
# Raise an exception in the get_info() call.
get_info_mock.side_effect = InvalidArguments
# Get a default value when the call fails.
self.assertEqual(
'default returned',
self.controller.get_version(default='default returned'))
# No default value, accept the error.
self.assertRaises(InvalidArguments, self.controller.get_version)
# Give a bad version. The stem.version.Version ValueError should bubble up.
version_A_42 = '0.A.42.spam'
get_info_mock.return_value = version_A_42
get_info_mock.side_effect = None
self.assertRaises(ValueError, self.controller.get_version)
finally:
# Turn caching back on before we leave.
self.controller._is_caching_enabled = True
@patch('stem.control.Controller.get_info')
def test_get_exit_policy(self, get_info_mock):
"""
Exercises the get_exit_policy() method.
"""
get_info_mock.side_effect = lambda param, default=None: {
'exit-policy/full':
'reject *:25,reject *:119,reject *:135-139,reject *:445,reject *:563,reject *:1214,reject *:4661-4666,reject *:6346-6429,reject *:6699,reject *:6881-6999,accept *:*',
}[param]
expected = ExitPolicy(
'reject *:25',
'reject *:119',
'reject *:135-139',
'reject *:445',
'reject *:563',
'reject *:1214',
'reject *:4661-4666',
'reject *:6346-6429',
'reject *:6699',
'reject *:6881-6999',
'accept *:*',
)
self.assertEqual(str(expected), str(self.controller.get_exit_policy()))
@patch('stem.control.Controller.get_info')
@patch('stem.control.Controller.get_conf')
def test_get_ports(self, get_conf_mock, get_info_mock):
"""
Exercises the get_ports() and get_listeners() methods.
"""
# Exercise as an old version of tor that doesn't support the 'GETINFO
# net/listeners/*' options.
get_info_mock.side_effect = InvalidArguments
get_conf_mock.side_effect = lambda param, *args, **kwargs: {
'ControlPort': '9050',
'ControlListenAddress': ['127.0.0.1'],
}[param]
self.assertEqual([('127.0.0.1', 9050)],
self.controller.get_listeners(Listener.CONTROL))
self.assertEqual([9050], self.controller.get_ports(Listener.CONTROL))
self.controller.clear_cache()
# non-local addresss
get_conf_mock.side_effect = lambda param, *args, **kwargs: {
'ControlPort': '9050',
'ControlListenAddress': ['27.4.4.1'],
}[param]
self.assertEqual([('27.4.4.1', 9050)],
self.controller.get_listeners(Listener.CONTROL))
self.assertEqual([], self.controller.get_ports(Listener.CONTROL))
self.controller.clear_cache()
# exercise via the GETINFO option
get_info_mock.side_effect = None
get_info_mock.return_value = '"127.0.0.1:1112" "127.0.0.1:1114"'
self.assertEqual([('127.0.0.1', 1112), ('127.0.0.1', 1114)],
self.controller.get_listeners(Listener.CONTROL))
self.assertEqual([1112, 1114],
self.controller.get_ports(Listener.CONTROL))
self.controller.clear_cache()
# with all localhost addresses, including a couple that aren't
get_info_mock.side_effect = None
get_info_mock.return_value = '"27.4.4.1:1113" "127.0.0.5:1114" "0.0.0.0:1115" "[::]:1116" "[::1]:1117" "[10::]:1118"'
self.assertEqual([1114, 1115, 1116, 1117],
self.controller.get_ports(Listener.OR))
self.controller.clear_cache()
# IPv6 address
get_info_mock.return_value = '"0.0.0.0:9001" "[fe80:0000:0000:0000:0202:b3ff:fe1e:8329]:9001"'
self.assertEqual([('0.0.0.0', 9001),
('fe80:0000:0000:0000:0202:b3ff:fe1e:8329', 9001)],
self.controller.get_listeners(Listener.CONTROL))
# unix socket file
self.controller.clear_cache()
get_info_mock.return_value = '"unix:/tmp/tor/socket"'
self.assertEqual([], self.controller.get_listeners(Listener.CONTROL))
self.assertEqual([], self.controller.get_ports(Listener.CONTROL))
@patch('stem.control.Controller.get_info')
@patch('time.time', Mock(return_value=1410723598.276578))
def test_get_accounting_stats(self, get_info_mock):
"""
Exercises the get_accounting_stats() method.
"""
get_info_mock.side_effect = lambda param, **kwargs: {
'accounting/enabled': '1',
'accounting/hibernating': 'awake',
'accounting/interval-end': '2014-09-14 19:41:00',
'accounting/bytes': '4837 2050',
'accounting/bytes-left': '102944 7440',
}[param]
expected = stem.control.AccountingStats(
1410723598.276578,
'awake',
datetime.datetime(2014, 9, 14, 19, 41),
62,
4837,
102944,
107781,
2050,
7440,
9490,
)
self.assertEqual(expected, self.controller.get_accounting_stats())
get_info_mock.side_effect = ControllerError('nope, too bad')
self.assertRaises(ControllerError,
self.controller.get_accounting_stats)
self.assertEqual('my default',
self.controller.get_accounting_stats('my default'))
@patch('stem.connection.get_protocolinfo')
def test_get_protocolinfo(self, get_protocolinfo_mock):
"""
Exercises the get_protocolinfo() method.
"""
# use the handy mocked protocolinfo response
protocolinfo_msg = ControlMessage.from_str(
'250-PROTOCOLINFO 1\r\n250 OK\r\n', 'PROTOCOLINFO')
get_protocolinfo_mock.return_value = protocolinfo_msg
# compare the str representation of these object, because the class
# does not have, nor need, a direct comparison operator
self.assertEqual(str(protocolinfo_msg),
str(self.controller.get_protocolinfo()))
# raise an exception in the stem.connection.get_protocolinfo() call
get_protocolinfo_mock.side_effect = ProtocolError
# get a default value when the call fails
self.assertEqual(
'default returned',
self.controller.get_protocolinfo(default='default returned'))
# no default value, accept the error
self.assertRaises(ProtocolError, self.controller.get_protocolinfo)
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value=False))
def test_get_user_remote(self):
"""
Exercise the get_user() method for a non-local socket.
"""
self.assertRaises(ValueError, self.controller.get_user)
self.assertEqual(123, self.controller.get_user(123))
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value=True))
@patch('stem.control.Controller.get_info', Mock(return_value='atagar'))
def test_get_user_by_getinfo(self):
"""
Exercise the get_user() resolution via its getinfo option.
"""
self.assertEqual('atagar', self.controller.get_user())
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value=True))
@patch('stem.util.system.pid_by_name', Mock(return_value=432))
@patch('stem.util.system.user', Mock(return_value='atagar'))
def test_get_user_by_system(self):
"""
Exercise the get_user() resolution via the system module.
"""
self.assertEqual('atagar', self.controller.get_user())
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value=False))
def test_get_pid_remote(self):
"""
Exercise the get_pid() method for a non-local socket.
"""
self.assertRaises(ValueError, self.controller.get_pid)
self.assertEqual(123, self.controller.get_pid(123))
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value=True))
@patch('stem.control.Controller.get_info', Mock(return_value='321'))
def test_get_pid_by_getinfo(self):
"""
Exercise the get_pid() resolution via its getinfo option.
"""
self.assertEqual(321, self.controller.get_pid())
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value=True))
@patch('stem.control.Controller.get_conf')
@patch('stem.control.open', create=True)
def test_get_pid_by_pid_file(self, open_mock, get_conf_mock):
"""
Exercise the get_pid() resolution via a PidFile.
"""
get_conf_mock.return_value = '/tmp/pid_file'
open_mock.return_value = io.BytesIO(b'432')
self.assertEqual(432, self.controller.get_pid())
open_mock.assert_called_once_with('/tmp/pid_file')
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value=True))
@patch('stem.util.system.pid_by_name', Mock(return_value=432))
def test_get_pid_by_name(self):
"""
Exercise the get_pid() resolution via the process name.
"""
self.assertEqual(432, self.controller.get_pid())
@patch('stem.control.Controller.get_version',
Mock(return_value=stem.version.Version('0.5.0.14')))
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value=False))
@patch('stem.control.Controller.get_info')
@patch('time.time', Mock(return_value=1000.0))
def test_get_uptime_by_getinfo(self, getinfo_mock):
"""
Exercise the get_uptime() resolution via a GETINFO query.
"""
getinfo_mock.return_value = '321'
self.assertEqual(321.0, self.controller.get_uptime())
self.controller.clear_cache()
getinfo_mock.return_value = 'abc'
self.assertRaisesWith(
ValueError,
"'GETINFO uptime' did not provide a valid numeric response: abc",
self.controller.get_uptime)
@patch('stem.socket.ControlSocket.is_localhost', Mock(return_value=True))
@patch('stem.control.Controller.get_version',
Mock(return_value=stem.version.Version('0.1.0.14')))
@patch('stem.control.Controller.get_pid', Mock(return_value='12'))
@patch('stem.util.system.start_time', Mock(return_value=5000.0))
@patch('time.time', Mock(return_value=5200.0))
def test_get_uptime_by_process(self):
"""
Exercise the get_uptime() resolution via process age.
"""
self.assertEqual(200.0, self.controller.get_uptime())
@patch('stem.control.Controller.get_info')
def test_get_network_status_for_ourselves(self, get_info_mock):
"""
Exercises the get_network_status() method for getting our own relay.
"""
# when there's an issue getting our fingerprint
get_info_mock.side_effect = ControllerError('nope, too bad')
exc_msg = 'Unable to determine our own fingerprint: nope, too bad'
self.assertRaisesWith(ControllerError, exc_msg,
self.controller.get_network_status)
self.assertEqual('boom',
self.controller.get_network_status(default='boom'))
# successful request
desc = NS_DESC % ('moria1', '/96bKo4soysolMgKn5Hex2nyFSY')
get_info_mock.side_effect = lambda param, **kwargs: {
'fingerprint': '9695DFC35FFEB861329B9F1AB04C46397020CE31',
'ns/id/9695DFC35FFEB861329B9F1AB04C46397020CE31': desc,
}[param]
self.assertEqual(
stem.descriptor.router_status_entry.RouterStatusEntryV3(desc),
self.controller.get_network_status())
@patch('stem.control.Controller.get_info')
def test_get_network_status_when_unavailable(self, get_info_mock):
"""
Exercises the get_network_status() method.
"""
get_info_mock.side_effect = InvalidArguments(
None,
'GETINFO request contained unrecognized keywords: ns/id/5AC9C5AA75BA1F18D8459B326B4B8111A856D290'
)
exc_msg = "Tor was unable to provide the descriptor for '5AC9C5AA75BA1F18D8459B326B4B8111A856D290'"
self.assertRaisesWith(DescriptorUnavailable, exc_msg,
self.controller.get_network_status,
'5AC9C5AA75BA1F18D8459B326B4B8111A856D290')
@patch('stem.control.Controller.get_info')
def test_get_network_status(self, get_info_mock):
"""
Exercises the get_network_status() method.
"""
# build a single router status entry
nickname = 'Beaver'
fingerprint = '/96bKo4soysolMgKn5Hex2nyFSY'
desc = NS_DESC % (nickname, fingerprint)
router = stem.descriptor.router_status_entry.RouterStatusEntryV3(desc)
# always return the same router status entry
get_info_mock.return_value = desc
# pretend to get the router status entry with its name
self.assertEqual(router, self.controller.get_network_status(nickname))
# pretend to get the router status entry with its fingerprint
hex_fingerprint = stem.descriptor.router_status_entry._base64_to_hex(
fingerprint, False)
self.assertEqual(router,
self.controller.get_network_status(hex_fingerprint))
# mangle hex fingerprint and try again
hex_fingerprint = hex_fingerprint[2:]
self.assertRaises(ValueError, self.controller.get_network_status,
hex_fingerprint)
# raise an exception in the get_info() call
get_info_mock.side_effect = InvalidArguments
# get a default value when the call fails
self.assertEqual(
'default returned',
self.controller.get_network_status(nickname,
default='default returned'))
# no default value, accept the error
self.assertRaises(InvalidArguments, self.controller.get_network_status,
nickname)
@patch('stem.control.Controller.is_authenticated', Mock(return_value=True))
@patch('stem.control.Controller._attach_listeners',
Mock(return_value=([], [])))
@patch('stem.control.Controller.get_version')
def test_add_event_listener(self, get_version_mock):
"""
Exercises the add_event_listener and remove_event_listener methods.
"""
# set up for failure to create any events
get_version_mock.return_value = stem.version.Version('0.1.0.14')
self.assertRaises(InvalidRequest, self.controller.add_event_listener,
Mock(), EventType.BW)
# set up to only fail newer events
get_version_mock.return_value = stem.version.Version('0.2.0.35')
# EventType.BW is one of the earliest events
self.controller.add_event_listener(Mock(), EventType.BW)
# EventType.SIGNAL was added in tor version 0.2.3.1-alpha
self.assertRaises(InvalidRequest, self.controller.add_event_listener,
Mock(), EventType.SIGNAL)
def test_events_get_received(self):
"""
Trigger an event, checking that our listeners get notified.
"""
self._emit_event(CIRC_EVENT)
self.circ_listener.assert_called_once_with(CIRC_EVENT)
self.bw_listener.assert_not_called()
self.malformed_listener.assert_not_called()
self._emit_event(BW_EVENT)
self.bw_listener.assert_called_once_with(BW_EVENT)
def test_event_listing_with_error(self):
"""
Raise an exception in an event listener to confirm it doesn't break our
event thread.
"""
self.circ_listener.side_effect = ValueError('boom')
self._emit_event(CIRC_EVENT)
self.circ_listener.assert_called_once_with(CIRC_EVENT)
self.bw_listener.assert_not_called()
self.malformed_listener.assert_not_called()
self._emit_event(BW_EVENT)
self.bw_listener.assert_called_once_with(BW_EVENT)
def test_event_listing_with_malformed_event(self):
"""
Attempt to parse a malformed event emitted from Tor. It's important this
doesn't break our event thread.
"""
# When stem.response.convert() encounters malformed content we still recast
# the message.
expected_bad_event = ControlMessage.from_str(BAD_EVENT.raw_content())
setattr(expected_bad_event, 'arrived_at', TEST_TIMESTAMP)
expected_bad_event.__class__ = stem.response.events.BandwidthEvent
self._emit_event(BAD_EVENT)
self.circ_listener.assert_not_called()
self.bw_listener.assert_not_called()
self.malformed_listener.assert_called_once_with(expected_bad_event)
self._emit_event(BW_EVENT)
self.bw_listener.assert_called_once_with(BW_EVENT)
@patch('stem.control.Controller.get_version',
Mock(return_value=stem.version.Version('0.5.0.14')))
@patch('stem.control.Controller.msg',
Mock(return_value=ControlMessage.from_str('250 OK\r\n')))
@patch('stem.control.Controller.add_event_listener', Mock())
@patch('stem.control.Controller.remove_event_listener', Mock())
def test_timeout(self):
"""
Methods that have an 'await' argument also have an optional timeout. Check
that we raise a Timeout exception when it's elapsed.
"""
self.assertRaisesWith(stem.Timeout,
'Reached our 0.1 second timeout',
self.controller.get_hidden_service_descriptor,
'5g2upl4pq6kufc4m',
await_result=True,
timeout=0.1)
def test_get_streams(self):
"""
Exercises the get_streams() method.
"""
# get a list of fake, but good looking, streams
valid_streams = (('1', 'NEW', '4', '10.10.10.1:80'),
('2', 'SUCCEEDED', '4', '10.10.10.1:80'),
('3', 'SUCCEEDED', '4', '10.10.10.1:80'))
response = ''.join(
['%s\r\n' % ' '.join(entry) for entry in valid_streams])
with patch('stem.control.Controller.get_info',
Mock(return_value=response)):
streams = self.controller.get_streams()
self.assertEqual(len(valid_streams), len(streams))
for index, stream in enumerate(streams):
self.assertEqual(valid_streams[index][0], stream.id)
self.assertEqual(valid_streams[index][1], stream.status)
self.assertEqual(valid_streams[index][2], stream.circ_id)
self.assertEqual(valid_streams[index][3], stream.target)
def test_attach_stream(self):
"""
Exercises the attach_stream() method.
"""
# Response when the stream is in a state where it can't be attached (for
# instance, it's already open).
response = stem.response.ControlMessage.from_str(
'555 Connection is not managed by controller.\r\n')
with patch('stem.control.Controller.msg', Mock(return_value=response)):
self.assertRaises(UnsatisfiableRequest,
self.controller.attach_stream, 'stream_id',
'circ_id')
def test_parse_circ_path(self):
"""
Exercises the _parse_circ_path() helper function.
"""
# empty input
self.assertEqual([], _parse_circ_path(None))
self.assertEqual([], _parse_circ_path(''))
# check the pydoc examples
pydoc_examples = {
'$999A226EBED397F331B612FE1E4CFAE5C1F201BA=piyaz':
[('999A226EBED397F331B612FE1E4CFAE5C1F201BA', 'piyaz')],
'$E57A476CD4DFBD99B4EE52A100A58610AD6E80B9,hamburgerphone,PrivacyRepublic14':
[
('E57A476CD4DFBD99B4EE52A100A58610AD6E80B9', None),
(None, 'hamburgerphone'),
(None, 'PrivacyRepublic14'),
],
}
for test_input, expected in pydoc_examples.items():
self.assertEqual(expected, _parse_circ_path(test_input))
# exercise with some invalid inputs
malformed_inputs = [
'=piyaz', # no fingerprint
'999A226EBED397F331B612FE1E4CFAE5C1F201BA=piyaz', # fingerprint missing prefix
'$999A226EBED397F331B612FE1E4CFAE5C1F201BAA=piyaz', # fingerprint too long
'$999A226EBED397F331B612FE1E4CFAE5C1F201B=piyaz', # fingerprint too short
'$999A226EBED397F331B612FE1E4CFAE5C1F201Bz=piyaz', # invalid character in fingerprint
'$999A226EBED397F331B612FE1E4CFAE5C1F201BA=', # no nickname
]
for test_input in malformed_inputs:
self.assertRaises(ProtocolError, _parse_circ_path, test_input)
@patch('stem.control.Controller.get_conf')
def test_get_effective_rate(self, get_conf_mock):
"""
Exercise the get_effective_rate() method.
"""
# check default if nothing was set
get_conf_mock.side_effect = lambda param, *args, **kwargs: {
'BandwidthRate': '1073741824',
'BandwidthBurst': '1073741824',
'RelayBandwidthRate': '0',
'RelayBandwidthBurst': '0',
'MaxAdvertisedBandwidth': '1073741824',
}[param]
self.assertEqual(1073741824, self.controller.get_effective_rate())
self.assertEqual(1073741824,
self.controller.get_effective_rate(burst=True))
get_conf_mock.side_effect = ControllerError('nope, too bad')
self.assertRaises(ControllerError, self.controller.get_effective_rate)
self.assertEqual('my_default',
self.controller.get_effective_rate('my_default'))
def _emit_event(self, event):
# Spins up our Controller's thread pool, emits an event, then shuts it
# down. This last part is important for a couple reasons...
#
# 1. So we don't leave any lingering threads.
#
# 2. To ensure our event handlers are done being executed. Events are
# processed asynchronously, so the only way to endsure it's done
# with its work is to join on the thread.
with patch('time.time', Mock(return_value=TEST_TIMESTAMP)):
with patch('stem.control.Controller.is_alive') as is_alive_mock:
is_alive_mock.return_value = True
self.controller._launch_threads()
try:
# Converting an event back into an uncast ControlMessage, then feeding it
# into our controller's event queue.
uncast_event = ControlMessage.from_str(event.raw_content())
self.controller._event_queue.put(uncast_event)
self.controller._event_notice.set()
self.controller._event_queue.join(
) # block until the event is consumed
finally:
is_alive_mock.return_value = False
self.controller._close()