-
-
Notifications
You must be signed in to change notification settings - Fork 228
Expand file tree
/
Copy pathtest_connection.py
More file actions
executable file
·307 lines (239 loc) · 10.6 KB
/
test_connection.py
File metadata and controls
executable file
·307 lines (239 loc) · 10.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
from test.UdsTest import UdsTest
from udsoncan.connections import *
import socket
import threading
import time
import unittest
try:
import isotp
_isotp_module_available = True
except ImportError:
_isotp_module_available = False
try:
_STACK_UNVAILABLE_REASON = ''
_interface_name = 'vcan0'
import isotp
import can
s = isotp.socket()
s.bind(_interface_name, isotp.Address(rxid=1, txid=2))
s.close()
_STACK_POSSIBLE = True
except Exception as e:
_STACK_UNVAILABLE_REASON = str(e)
_STACK_POSSIBLE = False
try:
from aioisotp.sync import SyncISOTPNetwork
_AISOTP_POSSIBLE = True
except Exception as e:
_AISOTP_POSSIBLE = False
@unittest.skipIf(_isotp_module_available == False, "isotp module not available")
class TestIsoTPSocketConnection(UdsTest):
def setUp(self):
self.tpsock1 = isotp.socket()
self.tpsock2 = isotp.socket()
def test_open(self):
addr = isotp.Address(isotp.AddressingMode.Normal_11bits, rxid=0x001, txid=0x002)
conn = IsoTPSocketConnection(interface='vcan0', address=addr, tpsock=self.tpsock1, name='unittest')
self.assertFalse(conn.is_open())
conn.open()
self.assertTrue(conn.is_open())
conn.close()
self.assertFalse(conn.is_open())
def test_transmit(self):
addr1 = isotp.Address(isotp.AddressingMode.Normal_11bits, rxid=0x100, txid=0x101)
addr2 = isotp.Address(isotp.AddressingMode.Normal_11bits, rxid=0x101, txid=0x100)
conn1 = IsoTPSocketConnection(interface='vcan0', address=addr1, tpsock=self.tpsock1, name='unittest')
conn2 = IsoTPSocketConnection(interface='vcan0', address=addr2, tpsock=self.tpsock2, name='unittest')
with conn1.open():
with conn2.open():
payload1 = b"\x00\x01\x02\x03\x04"
conn1.send(payload1)
payload2 = conn2.wait_frame(timeout=0.3, exception=True)
self.assertEqual(payload1, payload2)
def tearDown(self) -> None:
self.tpsock1.close()
self.tpsock2.close()
class TestSocketConnection(UdsTest):
def server_sock_thread_task(self):
self.started_event.set()
self.sock1, addr = self.server_sock.accept()
def setUp(self):
self.started_event = threading.Event()
self.server_sock_thread = threading.Thread(target=self.server_sock_thread_task)
self.server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server_sock.setblocking(False)
self.sock1 = None
self.sock2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server_sock.settimeout(0.5)
self.server_sock.bind(('127.0.0.1', 0))
self.server_sock.listen(1)
self.server_sock_thread.start()
self.started_event.wait(0.5)
if not self.started_event.is_set():
raise RuntimeError('Timeout while connecting sockets together.')
time.sleep(0.01) # Handle race condition like an amateur
self.sock2.connect(self.server_sock.getsockname())
t1 = time.monotonic()
while self.sock1 is None:
if (time.monotonic() - t1) > 0.5:
raise RuntimeError('Timeout while connecting sockets together.')
def tearDown(self):
if isinstance(self.sock1, socket.socket):
self.sock1.close()
if isinstance(self.sock2, socket.socket):
self.sock2.close()
if isinstance(self.server_sock, socket.socket):
self.server_sock.close()
def test_open(self):
conn = SocketConnection(self.sock1, name='unittest')
self.assertFalse(conn.is_open())
conn.open()
self.assertTrue(conn.is_open())
conn.close()
self.assertFalse(conn.is_open())
def test_transmit(self):
conn1 = SocketConnection(self.sock1, name='unittest')
conn2 = SocketConnection(self.sock2, name='unittest')
with conn1.open():
with conn2.open():
payload1 = b"\x00\x01\x02\x03\x04"
conn1.send(payload1)
payload2 = conn2.wait_frame(timeout=1, exception=True)
self.assertEqual(payload1, payload2)
class TestSocketConnectionBlocking(UdsTest):
def server_sock_thread_task(self):
self.started_event.set()
# Race condition here.
self.sock1, addr = self.server_sock.accept()
def setUp(self):
self.started_event = threading.Event()
self.server_sock_thread = threading.Thread(target=self.server_sock_thread_task)
self.server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server_sock.setblocking(True)
self.sock1 = None
self.sock2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server_sock.bind(('127.0.0.1', 0))
self.server_sock.listen(1)
self.server_sock_thread.start()
self.started_event.wait(0.5)
if not self.started_event.is_set():
raise RuntimeError('Timeout while connecting sockets together.')
time.sleep(0.01) # Handle race condition like an amateur
self.sock2.connect(self.server_sock.getsockname())
t1 = time.monotonic()
while self.sock1 is None:
if (time.monotonic() - t1) > 0.5:
raise RuntimeError('Timeout while connecting sockets together.')
def test_open_close_no_block(self):
conn = SocketConnection(self.sock1, name='unittest')
self.assertFalse(conn.is_open())
conn.open()
self.assertTrue(conn.is_open())
conn.close()
self.assertFalse(conn.is_open())
def tearDown(self):
if isinstance(self.sock1, socket.socket):
self.sock1.close()
if isinstance(self.sock2, socket.socket):
self.sock2.close()
if isinstance(self.server_sock, socket.socket):
self.server_sock.close()
class TestQueueConnection(UdsTest):
def setUp(self):
self.conn = QueueConnection(name='unittest')
self.conn.open()
def tearDown(self):
self.conn.close()
def test_open(self):
self.assertTrue(self.conn.is_open())
def test_receive(self):
payload = b"\x00\x01\x02\x03"
self.conn.fromuserqueue.put(payload)
frame = self.conn.wait_frame()
self.assertEqual(frame, payload)
def test_send(self):
payload = b"\x00\x01\x02\x03"
self.conn.send(payload)
frame = self.conn.touserqueue.get()
self.assertEqual(frame, payload)
def test_truncate(self):
payload = b"\x00\x01\x02\x03" * 5000
self.conn.send(payload)
frame = self.conn.touserqueue.get()
self.assertEqual(len(frame), 4095)
self.assertEqual(frame, payload[0:4095])
self.conn.fromuserqueue.put(payload)
frame = self.conn.wait_frame()
self.assertEqual(len(frame), 4095)
self.assertEqual(frame, payload[0:4095])
def test_reopen(self):
payload = b"\x00\x01\x02\x03"
self.conn.send(payload)
self.conn.fromuserqueue.put(payload)
self.conn.close()
self.conn.open()
with self.assertRaises(TimeoutException):
self.conn.wait_frame(timeout=0.05, exception=True)
self.assertTrue(self.conn.touserqueue.empty())
@unittest.skipIf(_STACK_POSSIBLE == False, 'Cannot test TestPythonIsoTpConnection. %s' % _STACK_UNVAILABLE_REASON)
class TestPythonIsoTpConnection(UdsTest):
def __init__(self, *args, **kwargs):
UdsTest.__init__(self, *args, **kwargs)
if not hasattr(self.__class__, '_next_id'):
self.__class__._next_id = 1
self.stack_txid = self.__class__._next_id
self.stack_rxid = self.__class__._next_id + 1
self.__class__._next_id += 2
def make_bus(self):
return can.Bus(interface='socketcan', channel='vcan0', bitrate=500000, receive_own_messages=True)
def setUp(self):
self.vcan0_bus = self.make_bus()
self.reader = can.BufferedReader()
self.notifier = can.Notifier(self.vcan0_bus, [self.reader])
addr = isotp.Address(isotp.AddressingMode.Normal_11bits, rxid=self.stack_rxid, txid=self.stack_txid)
self.conn = PythonIsoTpConnection(isotp.NotifierBasedCanStack(bus=self.vcan0_bus, notifier=self.notifier, address=addr), name='unittest')
self.conn.open()
def test_open(self):
self.assertTrue(self.conn.is_open())
def test_receive(self):
self.vcan0_bus.send(can.Message(arbitration_id=self.stack_rxid, data=b"\x03\x01\x02\x03", is_extended_id=False))
frame = self.conn.wait_frame(timeout=1)
self.assertEqual(frame, b"\x01\x02\x03")
def test_send(self):
self.conn.send(b"\xAA\xBB\xCC\xDD\xEE\xFF")
msg = self.reader.get_message(1)
self.assertIsNotNone(msg)
self.assertEqual(msg.data, b'\x06\xAA\xBB\xCC\xDD\xEE\xFF')
def test_reopen(self):
self.conn.send(b"\x0A\x0B\x0C\x0D")
self.vcan0_bus.send(can.Message(arbitration_id=self.stack_rxid, data=b"\x03\x01\x02\x03", is_extended_id=False))
self.conn.close()
self.conn.open()
with self.assertRaises(TimeoutException):
self.conn.wait_frame(timeout=0.05, exception=True)
self.assertIsNone(self.vcan0_bus.recv(0))
def tearDown(self):
self.conn.close()
self.notifier.stop()
self.vcan0_bus.shutdown()
@unittest.skipIf(_AISOTP_POSSIBLE == False, "aisotp module is not present.")
class TestSyncAioIsotpConnection(UdsTest):
def test_open(self):
conn0 = SyncAioIsotpConnection(interface="virtual", channel=0, bitrate=500000, rx_id=0x123, tx_id=0x456, name="unittest")
conn0.open()
self.assertTrue(conn0.is_open())
conn0.close()
self.assertFalse(conn0.is_open())
conn0.open()
self.assertTrue(conn0.is_open())
conn0.close()
self.assertFalse(conn0.is_open())
def test_transmit(self):
conn0 = SyncAioIsotpConnection(interface="virtual", channel=0, bitrate=500000, rx_id=0x123, tx_id=0x456, name="unittest")
conn1 = SyncAioIsotpConnection(interface="virtual", channel=0, bitrate=500000, rx_id=0x456, tx_id=0x123, name="unittest")
with conn0.open():
with conn1.open():
tx_data = bytes([i for i in range(256)])
conn0.send(tx_data)
rx_data = conn1.wait_frame()
self.assertTrue(tx_data == rx_data)