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|
import asyncio
import os
from unittest import TestCase, skipUnless
import aioice.stun
from aioice import ConnectionClosed
from aiortc.exceptions import InvalidStateError
from aiortc.rtcconfiguration import RTCIceServer
from aiortc.rtcicetransport import (
RTCIceCandidate,
RTCIceGatherer,
RTCIceParameters,
RTCIceTransport,
connection_kwargs,
parse_stun_turn_uri,
)
from .utils import asynctest
async def mock_connect():
pass
async def mock_get_event():
await asyncio.sleep(0.5)
return ConnectionClosed()
class ConnectionKwargsTest(TestCase):
def test_empty(self):
self.assertEqual(connection_kwargs([]), {})
def test_stun(self):
self.assertEqual(
connection_kwargs([RTCIceServer("stun:stun.l.google.com:19302")]),
{"stun_server": ("stun.l.google.com", 19302)},
)
def test_stun_with_suffix(self):
self.assertEqual(
connection_kwargs(
[RTCIceServer("stun:global.stun.twilio.com:3478?transport=udp")]
),
{"stun_server": ("global.stun.twilio.com", 3478)},
)
def test_stun_multiple_servers(self):
self.assertEqual(
connection_kwargs(
[
RTCIceServer("stun:stun.l.google.com:19302"),
RTCIceServer("stun:stun.example.com"),
]
),
{"stun_server": ("stun.l.google.com", 19302)},
)
def test_stun_multiple_urls(self):
self.assertEqual(
connection_kwargs(
[
RTCIceServer(
[
"stun:stun1.l.google.com:19302",
"stun:stun2.l.google.com:19302",
]
)
]
),
{"stun_server": ("stun1.l.google.com", 19302)},
)
def test_turn(self):
self.assertEqual(
connection_kwargs([RTCIceServer("turn:turn.example.com")]),
{
"turn_password": None,
"turn_server": ("turn.example.com", 3478),
"turn_ssl": False,
"turn_transport": "udp",
"turn_username": None,
},
)
def test_turn_multiple_servers(self):
self.assertEqual(
connection_kwargs(
[
RTCIceServer("turn:turn.example.com"),
RTCIceServer("turn:turn.example.net"),
]
),
{
"turn_password": None,
"turn_server": ("turn.example.com", 3478),
"turn_ssl": False,
"turn_transport": "udp",
"turn_username": None,
},
)
def test_turn_multiple_urls(self):
self.assertEqual(
connection_kwargs(
[RTCIceServer(["turn:turn1.example.com", "turn:turn2.example.com"])]
),
{
"turn_password": None,
"turn_server": ("turn1.example.com", 3478),
"turn_ssl": False,
"turn_transport": "udp",
"turn_username": None,
},
)
def test_turn_over_bogus(self):
self.assertEqual(
connection_kwargs([RTCIceServer("turn:turn.example.com?transport=bogus")]),
{},
)
def test_turn_over_tcp(self):
self.assertEqual(
connection_kwargs([RTCIceServer("turn:turn.example.com?transport=tcp")]),
{
"turn_password": None,
"turn_server": ("turn.example.com", 3478),
"turn_ssl": False,
"turn_transport": "tcp",
"turn_username": None,
},
)
def test_turn_with_password(self):
self.assertEqual(
connection_kwargs(
[
RTCIceServer(
urls="turn:turn.example.com", username="foo", credential="bar"
)
]
),
{
"turn_password": "bar",
"turn_server": ("turn.example.com", 3478),
"turn_ssl": False,
"turn_transport": "udp",
"turn_username": "foo",
},
)
def test_turn_with_token(self):
self.assertEqual(
connection_kwargs(
[
RTCIceServer(
urls="turn:turn.example.com",
username="foo",
credential="bar",
credentialType="token",
)
]
),
{},
)
def test_turns(self):
self.assertEqual(
connection_kwargs([RTCIceServer("turns:turn.example.com")]),
{
"turn_password": None,
"turn_server": ("turn.example.com", 5349),
"turn_ssl": True,
"turn_transport": "tcp",
"turn_username": None,
},
)
def test_turns_over_udp(self):
self.assertEqual(
connection_kwargs([RTCIceServer("turns:turn.example.com?transport=udp")]),
{},
)
class ParseStunTurnUriTest(TestCase):
def test_invalid_scheme(self):
with self.assertRaises(ValueError) as cm:
parse_stun_turn_uri("foo")
self.assertEqual(str(cm.exception), "malformed uri: invalid scheme")
def test_invalid_uri(self):
with self.assertRaises(ValueError) as cm:
parse_stun_turn_uri("stun")
self.assertEqual(str(cm.exception), "malformed uri")
def test_stun(self):
uri = parse_stun_turn_uri("stun:stun.services.mozilla.com")
self.assertEqual(
uri, {"host": "stun.services.mozilla.com", "port": 3478, "scheme": "stun"}
)
def test_stuns(self):
uri = parse_stun_turn_uri("stuns:stun.services.mozilla.com")
self.assertEqual(
uri, {"host": "stun.services.mozilla.com", "port": 5349, "scheme": "stuns"}
)
def test_stun_with_port(self):
uri = parse_stun_turn_uri("stun:stun.l.google.com:19302")
self.assertEqual(
uri, {"host": "stun.l.google.com", "port": 19302, "scheme": "stun"}
)
def test_turn(self):
uri = parse_stun_turn_uri("turn:1.2.3.4")
self.assertEqual(
uri, {"host": "1.2.3.4", "port": 3478, "scheme": "turn", "transport": "udp"}
)
def test_turn_with_port_and_transport(self):
uri = parse_stun_turn_uri("turn:1.2.3.4:3478?transport=tcp")
self.assertEqual(
uri, {"host": "1.2.3.4", "port": 3478, "scheme": "turn", "transport": "tcp"}
)
def test_turns(self):
uri = parse_stun_turn_uri("turns:1.2.3.4")
self.assertEqual(
uri,
{"host": "1.2.3.4", "port": 5349, "scheme": "turns", "transport": "tcp"},
)
def test_turns_with_port_and_transport(self):
uri = parse_stun_turn_uri("turns:1.2.3.4:1234?transport=tcp")
self.assertEqual(
uri,
{"host": "1.2.3.4", "port": 1234, "scheme": "turns", "transport": "tcp"},
)
class RTCIceGathererTest(TestCase):
@skipUnless('EXTENDED_TESTING' in os.environ, 'test requires network access')
@asynctest
async def test_gather(self):
gatherer = RTCIceGatherer()
self.assertEqual(gatherer.state, "new")
self.assertEqual(gatherer.getLocalCandidates(), [])
await gatherer.gather()
self.assertEqual(gatherer.state, "completed")
self.assertTrue(len(gatherer.getLocalCandidates()) > 0)
# close
await gatherer._connection.close()
def test_default_ice_servers(self):
self.assertEqual(
RTCIceGatherer.getDefaultIceServers(),
[],
)
class RTCIceTransportTest(TestCase):
def setUp(self):
# save timers
self.consent_failures = aioice.ice.CONSENT_FAILURES
self.consent_interval = aioice.ice.CONSENT_INTERVAL
self.retry_max = aioice.stun.RETRY_MAX
self.retry_rto = aioice.stun.RETRY_RTO
# shorten timers to run tests faster
aioice.ice.CONSENT_FAILURES = 1
aioice.ice.CONSENT_INTERVAL = 1
aioice.stun.RETRY_MAX = 1
aioice.stun.RETRY_RTO = 0.1
def tearDown(self):
# restore timers
aioice.ice.CONSENT_FAILURES = self.consent_failures
aioice.ice.CONSENT_INTERVAL = self.consent_interval
aioice.stun.RETRY_MAX = self.retry_max
aioice.stun.RETRY_RTO = self.retry_rto
@asynctest
async def test_construct(self):
gatherer = RTCIceGatherer()
connection = RTCIceTransport(gatherer)
self.assertEqual(connection.state, "new")
self.assertEqual(connection.getRemoteCandidates(), [])
candidate = RTCIceCandidate(
component=1,
foundation="0",
ip="192.168.99.7",
port=33543,
priority=2122252543,
protocol="UDP",
type="host",
)
# add candidate
await connection.addRemoteCandidate(candidate)
self.assertEqual(connection.getRemoteCandidates(), [candidate])
# end-of-candidates
await connection.addRemoteCandidate(None)
self.assertEqual(connection.getRemoteCandidates(), [candidate])
@skipUnless('EXTENDED_TESTING' in os.environ, 'test requires network access')
@asynctest
async def test_connect(self):
gatherer_1 = RTCIceGatherer()
transport_1 = RTCIceTransport(gatherer_1)
gatherer_2 = RTCIceGatherer()
transport_2 = RTCIceTransport(gatherer_2)
# gather candidates
await asyncio.gather(gatherer_1.gather(), gatherer_2.gather())
for candidate in gatherer_2.getLocalCandidates():
await transport_1.addRemoteCandidate(candidate)
for candidate in gatherer_1.getLocalCandidates():
await transport_2.addRemoteCandidate(candidate)
self.assertEqual(transport_1.state, "new")
self.assertEqual(transport_2.state, "new")
# connect
await asyncio.gather(
transport_1.start(gatherer_2.getLocalParameters()),
transport_2.start(gatherer_1.getLocalParameters()),
)
self.assertEqual(transport_1.state, "completed")
self.assertEqual(transport_2.state, "completed")
# cleanup
await asyncio.gather(transport_1.stop(), transport_2.stop())
self.assertEqual(transport_1.state, "closed")
self.assertEqual(transport_2.state, "closed")
@skipUnless('EXTENDED_TESTING' in os.environ, 'test requires network access')
@asynctest
async def test_connect_fail(self):
gatherer_1 = RTCIceGatherer()
transport_1 = RTCIceTransport(gatherer_1)
gatherer_2 = RTCIceGatherer()
transport_2 = RTCIceTransport(gatherer_2)
# gather candidates
await asyncio.gather(gatherer_1.gather(), gatherer_2.gather())
for candidate in gatherer_2.getLocalCandidates():
await transport_1.addRemoteCandidate(candidate)
for candidate in gatherer_1.getLocalCandidates():
await transport_2.addRemoteCandidate(candidate)
self.assertEqual(transport_1.state, "new")
self.assertEqual(transport_2.state, "new")
# connect
await transport_2.stop()
await transport_1.start(gatherer_2.getLocalParameters())
self.assertEqual(transport_1.state, "failed")
self.assertEqual(transport_2.state, "closed")
# cleanup
await asyncio.gather(transport_1.stop(), transport_2.stop())
self.assertEqual(transport_1.state, "closed")
self.assertEqual(transport_2.state, "closed")
@skipUnless('EXTENDED_TESTING' in os.environ, 'test requires network access')
@asynctest
async def test_connect_then_consent_expires(self):
gatherer_1 = RTCIceGatherer()
transport_1 = RTCIceTransport(gatherer_1)
gatherer_2 = RTCIceGatherer()
transport_2 = RTCIceTransport(gatherer_2)
# gather candidates
await asyncio.gather(gatherer_1.gather(), gatherer_2.gather())
for candidate in gatherer_2.getLocalCandidates():
await transport_1.addRemoteCandidate(candidate)
for candidate in gatherer_1.getLocalCandidates():
await transport_2.addRemoteCandidate(candidate)
self.assertEqual(transport_1.state, "new")
self.assertEqual(transport_2.state, "new")
# connect
await asyncio.gather(
transport_1.start(gatherer_2.getLocalParameters()),
transport_2.start(gatherer_1.getLocalParameters()),
)
self.assertEqual(transport_1.state, "completed")
self.assertEqual(transport_2.state, "completed")
# close one side
await transport_1.stop()
self.assertEqual(transport_1.state, "closed")
# wait for consent to expire
await asyncio.sleep(2)
# close other side
await transport_2.stop()
self.assertEqual(transport_2.state, "closed")
@asynctest
async def test_connect_when_closed(self):
gatherer = RTCIceGatherer()
transport = RTCIceTransport(gatherer)
# stop transport
await transport.stop()
self.assertEqual(transport.state, "closed")
# try to start it
with self.assertRaises(InvalidStateError) as cm:
await transport.start(
RTCIceParameters(usernameFragment="foo", password="bar")
)
self.assertEqual(str(cm.exception), "RTCIceTransport is closed")
@asynctest
async def test_connection_closed(self):
gatherer = RTCIceGatherer()
# mock out methods
gatherer._connection.connect = mock_connect
gatherer._connection.get_event = mock_get_event
transport = RTCIceTransport(gatherer)
self.assertEqual(transport.state, "new")
await transport.start(RTCIceParameters(usernameFragment="foo", password="bar"))
self.assertEqual(transport.state, "completed")
await asyncio.sleep(1)
self.assertEqual(transport.state, "failed")
await transport.stop()
self.assertEqual(transport.state, "closed")
|
