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920dae64 AT |
1 | #!/usr/bin/env python |
2 | ||
3 | import unittest | |
4 | from test import test_support | |
5 | ||
6 | import socket | |
7 | import select | |
8 | import time | |
9 | import thread, threading | |
10 | import Queue | |
11 | import sys | |
12 | from weakref import proxy | |
13 | ||
14 | PORT = 50007 | |
15 | HOST = 'localhost' | |
16 | MSG = 'Michael Gilfix was here\n' | |
17 | ||
18 | class SocketTCPTest(unittest.TestCase): | |
19 | ||
20 | def setUp(self): | |
21 | self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
22 | self.serv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) | |
23 | self.serv.bind((HOST, PORT)) | |
24 | self.serv.listen(1) | |
25 | ||
26 | def tearDown(self): | |
27 | self.serv.close() | |
28 | self.serv = None | |
29 | ||
30 | class SocketUDPTest(unittest.TestCase): | |
31 | ||
32 | def setUp(self): | |
33 | self.serv = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) | |
34 | self.serv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) | |
35 | self.serv.bind((HOST, PORT)) | |
36 | ||
37 | def tearDown(self): | |
38 | self.serv.close() | |
39 | self.serv = None | |
40 | ||
41 | class ThreadableTest: | |
42 | """Threadable Test class | |
43 | ||
44 | The ThreadableTest class makes it easy to create a threaded | |
45 | client/server pair from an existing unit test. To create a | |
46 | new threaded class from an existing unit test, use multiple | |
47 | inheritance: | |
48 | ||
49 | class NewClass (OldClass, ThreadableTest): | |
50 | pass | |
51 | ||
52 | This class defines two new fixture functions with obvious | |
53 | purposes for overriding: | |
54 | ||
55 | clientSetUp () | |
56 | clientTearDown () | |
57 | ||
58 | Any new test functions within the class must then define | |
59 | tests in pairs, where the test name is preceeded with a | |
60 | '_' to indicate the client portion of the test. Ex: | |
61 | ||
62 | def testFoo(self): | |
63 | # Server portion | |
64 | ||
65 | def _testFoo(self): | |
66 | # Client portion | |
67 | ||
68 | Any exceptions raised by the clients during their tests | |
69 | are caught and transferred to the main thread to alert | |
70 | the testing framework. | |
71 | ||
72 | Note, the server setup function cannot call any blocking | |
73 | functions that rely on the client thread during setup, | |
74 | unless serverExplicityReady() is called just before | |
75 | the blocking call (such as in setting up a client/server | |
76 | connection and performing the accept() in setUp(). | |
77 | """ | |
78 | ||
79 | def __init__(self): | |
80 | # Swap the true setup function | |
81 | self.__setUp = self.setUp | |
82 | self.__tearDown = self.tearDown | |
83 | self.setUp = self._setUp | |
84 | self.tearDown = self._tearDown | |
85 | ||
86 | def serverExplicitReady(self): | |
87 | """This method allows the server to explicitly indicate that | |
88 | it wants the client thread to proceed. This is useful if the | |
89 | server is about to execute a blocking routine that is | |
90 | dependent upon the client thread during its setup routine.""" | |
91 | self.server_ready.set() | |
92 | ||
93 | def _setUp(self): | |
94 | self.server_ready = threading.Event() | |
95 | self.client_ready = threading.Event() | |
96 | self.done = threading.Event() | |
97 | self.queue = Queue.Queue(1) | |
98 | ||
99 | # Do some munging to start the client test. | |
100 | methodname = self.id() | |
101 | i = methodname.rfind('.') | |
102 | methodname = methodname[i+1:] | |
103 | test_method = getattr(self, '_' + methodname) | |
104 | self.client_thread = thread.start_new_thread( | |
105 | self.clientRun, (test_method,)) | |
106 | ||
107 | self.__setUp() | |
108 | if not self.server_ready.isSet(): | |
109 | self.server_ready.set() | |
110 | self.client_ready.wait() | |
111 | ||
112 | def _tearDown(self): | |
113 | self.__tearDown() | |
114 | self.done.wait() | |
115 | ||
116 | if not self.queue.empty(): | |
117 | msg = self.queue.get() | |
118 | self.fail(msg) | |
119 | ||
120 | def clientRun(self, test_func): | |
121 | self.server_ready.wait() | |
122 | self.client_ready.set() | |
123 | self.clientSetUp() | |
124 | if not callable(test_func): | |
125 | raise TypeError, "test_func must be a callable function" | |
126 | try: | |
127 | test_func() | |
128 | except Exception, strerror: | |
129 | self.queue.put(strerror) | |
130 | self.clientTearDown() | |
131 | ||
132 | def clientSetUp(self): | |
133 | raise NotImplementedError, "clientSetUp must be implemented." | |
134 | ||
135 | def clientTearDown(self): | |
136 | self.done.set() | |
137 | thread.exit() | |
138 | ||
139 | class ThreadedTCPSocketTest(SocketTCPTest, ThreadableTest): | |
140 | ||
141 | def __init__(self, methodName='runTest'): | |
142 | SocketTCPTest.__init__(self, methodName=methodName) | |
143 | ThreadableTest.__init__(self) | |
144 | ||
145 | def clientSetUp(self): | |
146 | self.cli = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
147 | ||
148 | def clientTearDown(self): | |
149 | self.cli.close() | |
150 | self.cli = None | |
151 | ThreadableTest.clientTearDown(self) | |
152 | ||
153 | class ThreadedUDPSocketTest(SocketUDPTest, ThreadableTest): | |
154 | ||
155 | def __init__(self, methodName='runTest'): | |
156 | SocketUDPTest.__init__(self, methodName=methodName) | |
157 | ThreadableTest.__init__(self) | |
158 | ||
159 | def clientSetUp(self): | |
160 | self.cli = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) | |
161 | ||
162 | class SocketConnectedTest(ThreadedTCPSocketTest): | |
163 | ||
164 | def __init__(self, methodName='runTest'): | |
165 | ThreadedTCPSocketTest.__init__(self, methodName=methodName) | |
166 | ||
167 | def setUp(self): | |
168 | ThreadedTCPSocketTest.setUp(self) | |
169 | # Indicate explicitly we're ready for the client thread to | |
170 | # proceed and then perform the blocking call to accept | |
171 | self.serverExplicitReady() | |
172 | conn, addr = self.serv.accept() | |
173 | self.cli_conn = conn | |
174 | ||
175 | def tearDown(self): | |
176 | self.cli_conn.close() | |
177 | self.cli_conn = None | |
178 | ThreadedTCPSocketTest.tearDown(self) | |
179 | ||
180 | def clientSetUp(self): | |
181 | ThreadedTCPSocketTest.clientSetUp(self) | |
182 | self.cli.connect((HOST, PORT)) | |
183 | self.serv_conn = self.cli | |
184 | ||
185 | def clientTearDown(self): | |
186 | self.serv_conn.close() | |
187 | self.serv_conn = None | |
188 | ThreadedTCPSocketTest.clientTearDown(self) | |
189 | ||
190 | class SocketPairTest(unittest.TestCase, ThreadableTest): | |
191 | ||
192 | def __init__(self, methodName='runTest'): | |
193 | unittest.TestCase.__init__(self, methodName=methodName) | |
194 | ThreadableTest.__init__(self) | |
195 | ||
196 | def setUp(self): | |
197 | self.serv, self.cli = socket.socketpair() | |
198 | ||
199 | def tearDown(self): | |
200 | self.serv.close() | |
201 | self.serv = None | |
202 | ||
203 | def clientSetUp(self): | |
204 | pass | |
205 | ||
206 | def clientTearDown(self): | |
207 | self.cli.close() | |
208 | self.cli = None | |
209 | ThreadableTest.clientTearDown(self) | |
210 | ||
211 | ||
212 | ####################################################################### | |
213 | ## Begin Tests | |
214 | ||
215 | class GeneralModuleTests(unittest.TestCase): | |
216 | ||
217 | def test_weakref(self): | |
218 | s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
219 | p = proxy(s) | |
220 | self.assertEqual(p.fileno(), s.fileno()) | |
221 | s.close() | |
222 | s = None | |
223 | try: | |
224 | p.fileno() | |
225 | except ReferenceError: | |
226 | pass | |
227 | else: | |
228 | self.fail('Socket proxy still exists') | |
229 | ||
230 | def testSocketError(self): | |
231 | # Testing socket module exceptions | |
232 | def raise_error(*args, **kwargs): | |
233 | raise socket.error | |
234 | def raise_herror(*args, **kwargs): | |
235 | raise socket.herror | |
236 | def raise_gaierror(*args, **kwargs): | |
237 | raise socket.gaierror | |
238 | self.failUnlessRaises(socket.error, raise_error, | |
239 | "Error raising socket exception.") | |
240 | self.failUnlessRaises(socket.error, raise_herror, | |
241 | "Error raising socket exception.") | |
242 | self.failUnlessRaises(socket.error, raise_gaierror, | |
243 | "Error raising socket exception.") | |
244 | ||
245 | def testCrucialConstants(self): | |
246 | # Testing for mission critical constants | |
247 | socket.AF_INET | |
248 | socket.SOCK_STREAM | |
249 | socket.SOCK_DGRAM | |
250 | socket.SOCK_RAW | |
251 | socket.SOCK_RDM | |
252 | socket.SOCK_SEQPACKET | |
253 | socket.SOL_SOCKET | |
254 | socket.SO_REUSEADDR | |
255 | ||
256 | def testHostnameRes(self): | |
257 | # Testing hostname resolution mechanisms | |
258 | hostname = socket.gethostname() | |
259 | try: | |
260 | ip = socket.gethostbyname(hostname) | |
261 | except socket.error: | |
262 | # Probably name lookup wasn't set up right; skip this test | |
263 | return | |
264 | self.assert_(ip.find('.') >= 0, "Error resolving host to ip.") | |
265 | try: | |
266 | hname, aliases, ipaddrs = socket.gethostbyaddr(ip) | |
267 | except socket.error: | |
268 | # Probably a similar problem as above; skip this test | |
269 | return | |
270 | all_host_names = [hostname, hname] + aliases | |
271 | fqhn = socket.getfqdn() | |
272 | if not fqhn in all_host_names: | |
273 | self.fail("Error testing host resolution mechanisms.") | |
274 | ||
275 | def testRefCountGetNameInfo(self): | |
276 | # Testing reference count for getnameinfo | |
277 | import sys | |
278 | if hasattr(sys, "getrefcount"): | |
279 | try: | |
280 | # On some versions, this loses a reference | |
281 | orig = sys.getrefcount(__name__) | |
282 | socket.getnameinfo(__name__,0) | |
283 | except SystemError: | |
284 | if sys.getrefcount(__name__) <> orig: | |
285 | self.fail("socket.getnameinfo loses a reference") | |
286 | ||
287 | def testInterpreterCrash(self): | |
288 | # Making sure getnameinfo doesn't crash the interpreter | |
289 | try: | |
290 | # On some versions, this crashes the interpreter. | |
291 | socket.getnameinfo(('x', 0, 0, 0), 0) | |
292 | except socket.error: | |
293 | pass | |
294 | ||
295 | def testNtoH(self): | |
296 | # This just checks that htons etc. are their own inverse, | |
297 | # when looking at the lower 16 or 32 bits. | |
298 | sizes = {socket.htonl: 32, socket.ntohl: 32, | |
299 | socket.htons: 16, socket.ntohs: 16} | |
300 | for func, size in sizes.items(): | |
301 | mask = (1L<<size) - 1 | |
302 | for i in (0, 1, 0xffff, ~0xffff, 2, 0x01234567, 0x76543210): | |
303 | self.assertEqual(i & mask, func(func(i&mask)) & mask) | |
304 | ||
305 | swapped = func(mask) | |
306 | self.assertEqual(swapped & mask, mask) | |
307 | self.assertRaises(OverflowError, func, 1L<<34) | |
308 | ||
309 | def testGetServBy(self): | |
310 | eq = self.assertEqual | |
311 | # Find one service that exists, then check all the related interfaces. | |
312 | # I've ordered this by protocols that have both a tcp and udp | |
313 | # protocol, at least for modern Linuxes. | |
314 | if sys.platform in ('linux2', 'freebsd4', 'freebsd5', 'freebsd6', | |
315 | 'darwin'): | |
316 | # avoid the 'echo' service on this platform, as there is an | |
317 | # assumption breaking non-standard port/protocol entry | |
318 | services = ('daytime', 'qotd', 'domain') | |
319 | else: | |
320 | services = ('echo', 'daytime', 'domain') | |
321 | for service in services: | |
322 | try: | |
323 | port = socket.getservbyname(service, 'tcp') | |
324 | break | |
325 | except socket.error: | |
326 | pass | |
327 | else: | |
328 | raise socket.error | |
329 | # Try same call with optional protocol omitted | |
330 | port2 = socket.getservbyname(service) | |
331 | eq(port, port2) | |
332 | # Try udp, but don't barf it it doesn't exist | |
333 | try: | |
334 | udpport = socket.getservbyname(service, 'udp') | |
335 | except socket.error: | |
336 | udpport = None | |
337 | else: | |
338 | eq(udpport, port) | |
339 | # Now make sure the lookup by port returns the same service name | |
340 | eq(socket.getservbyport(port2), service) | |
341 | eq(socket.getservbyport(port, 'tcp'), service) | |
342 | if udpport is not None: | |
343 | eq(socket.getservbyport(udpport, 'udp'), service) | |
344 | ||
345 | def testDefaultTimeout(self): | |
346 | # Testing default timeout | |
347 | # The default timeout should initially be None | |
348 | self.assertEqual(socket.getdefaulttimeout(), None) | |
349 | s = socket.socket() | |
350 | self.assertEqual(s.gettimeout(), None) | |
351 | s.close() | |
352 | ||
353 | # Set the default timeout to 10, and see if it propagates | |
354 | socket.setdefaulttimeout(10) | |
355 | self.assertEqual(socket.getdefaulttimeout(), 10) | |
356 | s = socket.socket() | |
357 | self.assertEqual(s.gettimeout(), 10) | |
358 | s.close() | |
359 | ||
360 | # Reset the default timeout to None, and see if it propagates | |
361 | socket.setdefaulttimeout(None) | |
362 | self.assertEqual(socket.getdefaulttimeout(), None) | |
363 | s = socket.socket() | |
364 | self.assertEqual(s.gettimeout(), None) | |
365 | s.close() | |
366 | ||
367 | # Check that setting it to an invalid value raises ValueError | |
368 | self.assertRaises(ValueError, socket.setdefaulttimeout, -1) | |
369 | ||
370 | # Check that setting it to an invalid type raises TypeError | |
371 | self.assertRaises(TypeError, socket.setdefaulttimeout, "spam") | |
372 | ||
373 | def testIPv4toString(self): | |
374 | if not hasattr(socket, 'inet_pton'): | |
375 | return # No inet_pton() on this platform | |
376 | from socket import inet_aton as f, inet_pton, AF_INET | |
377 | g = lambda a: inet_pton(AF_INET, a) | |
378 | ||
379 | self.assertEquals('\x00\x00\x00\x00', f('0.0.0.0')) | |
380 | self.assertEquals('\xff\x00\xff\x00', f('255.0.255.0')) | |
381 | self.assertEquals('\xaa\xaa\xaa\xaa', f('170.170.170.170')) | |
382 | self.assertEquals('\x01\x02\x03\x04', f('1.2.3.4')) | |
383 | self.assertEquals('\xff\xff\xff\xff', f('255.255.255.255')) | |
384 | ||
385 | self.assertEquals('\x00\x00\x00\x00', g('0.0.0.0')) | |
386 | self.assertEquals('\xff\x00\xff\x00', g('255.0.255.0')) | |
387 | self.assertEquals('\xaa\xaa\xaa\xaa', g('170.170.170.170')) | |
388 | self.assertEquals('\xff\xff\xff\xff', g('255.255.255.255')) | |
389 | ||
390 | def testIPv6toString(self): | |
391 | if not hasattr(socket, 'inet_pton'): | |
392 | return # No inet_pton() on this platform | |
393 | try: | |
394 | from socket import inet_pton, AF_INET6, has_ipv6 | |
395 | if not has_ipv6: | |
396 | return | |
397 | except ImportError: | |
398 | return | |
399 | f = lambda a: inet_pton(AF_INET6, a) | |
400 | ||
401 | self.assertEquals('\x00' * 16, f('::')) | |
402 | self.assertEquals('\x00' * 16, f('0::0')) | |
403 | self.assertEquals('\x00\x01' + '\x00' * 14, f('1::')) | |
404 | self.assertEquals( | |
405 | '\x45\xef\x76\xcb\x00\x1a\x56\xef\xaf\xeb\x0b\xac\x19\x24\xae\xae', | |
406 | f('45ef:76cb:1a:56ef:afeb:bac:1924:aeae') | |
407 | ) | |
408 | ||
409 | def testStringToIPv4(self): | |
410 | if not hasattr(socket, 'inet_ntop'): | |
411 | return # No inet_ntop() on this platform | |
412 | from socket import inet_ntoa as f, inet_ntop, AF_INET | |
413 | g = lambda a: inet_ntop(AF_INET, a) | |
414 | ||
415 | self.assertEquals('1.0.1.0', f('\x01\x00\x01\x00')) | |
416 | self.assertEquals('170.85.170.85', f('\xaa\x55\xaa\x55')) | |
417 | self.assertEquals('255.255.255.255', f('\xff\xff\xff\xff')) | |
418 | self.assertEquals('1.2.3.4', f('\x01\x02\x03\x04')) | |
419 | ||
420 | self.assertEquals('1.0.1.0', g('\x01\x00\x01\x00')) | |
421 | self.assertEquals('170.85.170.85', g('\xaa\x55\xaa\x55')) | |
422 | self.assertEquals('255.255.255.255', g('\xff\xff\xff\xff')) | |
423 | ||
424 | def testStringToIPv6(self): | |
425 | if not hasattr(socket, 'inet_ntop'): | |
426 | return # No inet_ntop() on this platform | |
427 | try: | |
428 | from socket import inet_ntop, AF_INET6, has_ipv6 | |
429 | if not has_ipv6: | |
430 | return | |
431 | except ImportError: | |
432 | return | |
433 | f = lambda a: inet_ntop(AF_INET6, a) | |
434 | ||
435 | self.assertEquals('::', f('\x00' * 16)) | |
436 | self.assertEquals('::1', f('\x00' * 15 + '\x01')) | |
437 | self.assertEquals( | |
438 | 'aef:b01:506:1001:ffff:9997:55:170', | |
439 | f('\x0a\xef\x0b\x01\x05\x06\x10\x01\xff\xff\x99\x97\x00\x55\x01\x70') | |
440 | ) | |
441 | ||
442 | # XXX The following don't test module-level functionality... | |
443 | ||
444 | def testSockName(self): | |
445 | # Testing getsockname() | |
446 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
447 | sock.bind(("0.0.0.0", PORT+1)) | |
448 | name = sock.getsockname() | |
449 | self.assertEqual(name, ("0.0.0.0", PORT+1)) | |
450 | ||
451 | def testGetSockOpt(self): | |
452 | # Testing getsockopt() | |
453 | # We know a socket should start without reuse==0 | |
454 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
455 | reuse = sock.getsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR) | |
456 | self.failIf(reuse != 0, "initial mode is reuse") | |
457 | ||
458 | def testSetSockOpt(self): | |
459 | # Testing setsockopt() | |
460 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
461 | sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) | |
462 | reuse = sock.getsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR) | |
463 | self.failIf(reuse == 0, "failed to set reuse mode") | |
464 | ||
465 | def testSendAfterClose(self): | |
466 | # testing send() after close() with timeout | |
467 | sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
468 | sock.settimeout(1) | |
469 | sock.close() | |
470 | self.assertRaises(socket.error, sock.send, "spam") | |
471 | ||
472 | class BasicTCPTest(SocketConnectedTest): | |
473 | ||
474 | def __init__(self, methodName='runTest'): | |
475 | SocketConnectedTest.__init__(self, methodName=methodName) | |
476 | ||
477 | def testRecv(self): | |
478 | # Testing large receive over TCP | |
479 | msg = self.cli_conn.recv(1024) | |
480 | self.assertEqual(msg, MSG) | |
481 | ||
482 | def _testRecv(self): | |
483 | self.serv_conn.send(MSG) | |
484 | ||
485 | def testOverFlowRecv(self): | |
486 | # Testing receive in chunks over TCP | |
487 | seg1 = self.cli_conn.recv(len(MSG) - 3) | |
488 | seg2 = self.cli_conn.recv(1024) | |
489 | msg = seg1 + seg2 | |
490 | self.assertEqual(msg, MSG) | |
491 | ||
492 | def _testOverFlowRecv(self): | |
493 | self.serv_conn.send(MSG) | |
494 | ||
495 | def testRecvFrom(self): | |
496 | # Testing large recvfrom() over TCP | |
497 | msg, addr = self.cli_conn.recvfrom(1024) | |
498 | self.assertEqual(msg, MSG) | |
499 | ||
500 | def _testRecvFrom(self): | |
501 | self.serv_conn.send(MSG) | |
502 | ||
503 | def testOverFlowRecvFrom(self): | |
504 | # Testing recvfrom() in chunks over TCP | |
505 | seg1, addr = self.cli_conn.recvfrom(len(MSG)-3) | |
506 | seg2, addr = self.cli_conn.recvfrom(1024) | |
507 | msg = seg1 + seg2 | |
508 | self.assertEqual(msg, MSG) | |
509 | ||
510 | def _testOverFlowRecvFrom(self): | |
511 | self.serv_conn.send(MSG) | |
512 | ||
513 | def testSendAll(self): | |
514 | # Testing sendall() with a 2048 byte string over TCP | |
515 | msg = '' | |
516 | while 1: | |
517 | read = self.cli_conn.recv(1024) | |
518 | if not read: | |
519 | break | |
520 | msg += read | |
521 | self.assertEqual(msg, 'f' * 2048) | |
522 | ||
523 | def _testSendAll(self): | |
524 | big_chunk = 'f' * 2048 | |
525 | self.serv_conn.sendall(big_chunk) | |
526 | ||
527 | def testFromFd(self): | |
528 | # Testing fromfd() | |
529 | if not hasattr(socket, "fromfd"): | |
530 | return # On Windows, this doesn't exist | |
531 | fd = self.cli_conn.fileno() | |
532 | sock = socket.fromfd(fd, socket.AF_INET, socket.SOCK_STREAM) | |
533 | msg = sock.recv(1024) | |
534 | self.assertEqual(msg, MSG) | |
535 | ||
536 | def _testFromFd(self): | |
537 | self.serv_conn.send(MSG) | |
538 | ||
539 | def testShutdown(self): | |
540 | # Testing shutdown() | |
541 | msg = self.cli_conn.recv(1024) | |
542 | self.assertEqual(msg, MSG) | |
543 | ||
544 | def _testShutdown(self): | |
545 | self.serv_conn.send(MSG) | |
546 | self.serv_conn.shutdown(2) | |
547 | ||
548 | class BasicUDPTest(ThreadedUDPSocketTest): | |
549 | ||
550 | def __init__(self, methodName='runTest'): | |
551 | ThreadedUDPSocketTest.__init__(self, methodName=methodName) | |
552 | ||
553 | def testSendtoAndRecv(self): | |
554 | # Testing sendto() and Recv() over UDP | |
555 | msg = self.serv.recv(len(MSG)) | |
556 | self.assertEqual(msg, MSG) | |
557 | ||
558 | def _testSendtoAndRecv(self): | |
559 | self.cli.sendto(MSG, 0, (HOST, PORT)) | |
560 | ||
561 | def testRecvFrom(self): | |
562 | # Testing recvfrom() over UDP | |
563 | msg, addr = self.serv.recvfrom(len(MSG)) | |
564 | self.assertEqual(msg, MSG) | |
565 | ||
566 | def _testRecvFrom(self): | |
567 | self.cli.sendto(MSG, 0, (HOST, PORT)) | |
568 | ||
569 | class BasicSocketPairTest(SocketPairTest): | |
570 | ||
571 | def __init__(self, methodName='runTest'): | |
572 | SocketPairTest.__init__(self, methodName=methodName) | |
573 | ||
574 | def testRecv(self): | |
575 | msg = self.serv.recv(1024) | |
576 | self.assertEqual(msg, MSG) | |
577 | ||
578 | def _testRecv(self): | |
579 | self.cli.send(MSG) | |
580 | ||
581 | def testSend(self): | |
582 | self.serv.send(MSG) | |
583 | ||
584 | def _testSend(self): | |
585 | msg = self.cli.recv(1024) | |
586 | self.assertEqual(msg, MSG) | |
587 | ||
588 | class NonBlockingTCPTests(ThreadedTCPSocketTest): | |
589 | ||
590 | def __init__(self, methodName='runTest'): | |
591 | ThreadedTCPSocketTest.__init__(self, methodName=methodName) | |
592 | ||
593 | def testSetBlocking(self): | |
594 | # Testing whether set blocking works | |
595 | self.serv.setblocking(0) | |
596 | start = time.time() | |
597 | try: | |
598 | self.serv.accept() | |
599 | except socket.error: | |
600 | pass | |
601 | end = time.time() | |
602 | self.assert_((end - start) < 1.0, "Error setting non-blocking mode.") | |
603 | ||
604 | def _testSetBlocking(self): | |
605 | pass | |
606 | ||
607 | def testAccept(self): | |
608 | # Testing non-blocking accept | |
609 | self.serv.setblocking(0) | |
610 | try: | |
611 | conn, addr = self.serv.accept() | |
612 | except socket.error: | |
613 | pass | |
614 | else: | |
615 | self.fail("Error trying to do non-blocking accept.") | |
616 | read, write, err = select.select([self.serv], [], []) | |
617 | if self.serv in read: | |
618 | conn, addr = self.serv.accept() | |
619 | else: | |
620 | self.fail("Error trying to do accept after select.") | |
621 | ||
622 | def _testAccept(self): | |
623 | time.sleep(0.1) | |
624 | self.cli.connect((HOST, PORT)) | |
625 | ||
626 | def testConnect(self): | |
627 | # Testing non-blocking connect | |
628 | conn, addr = self.serv.accept() | |
629 | ||
630 | def _testConnect(self): | |
631 | self.cli.settimeout(10) | |
632 | self.cli.connect((HOST, PORT)) | |
633 | ||
634 | def testRecv(self): | |
635 | # Testing non-blocking recv | |
636 | conn, addr = self.serv.accept() | |
637 | conn.setblocking(0) | |
638 | try: | |
639 | msg = conn.recv(len(MSG)) | |
640 | except socket.error: | |
641 | pass | |
642 | else: | |
643 | self.fail("Error trying to do non-blocking recv.") | |
644 | read, write, err = select.select([conn], [], []) | |
645 | if conn in read: | |
646 | msg = conn.recv(len(MSG)) | |
647 | self.assertEqual(msg, MSG) | |
648 | else: | |
649 | self.fail("Error during select call to non-blocking socket.") | |
650 | ||
651 | def _testRecv(self): | |
652 | self.cli.connect((HOST, PORT)) | |
653 | time.sleep(0.1) | |
654 | self.cli.send(MSG) | |
655 | ||
656 | class FileObjectClassTestCase(SocketConnectedTest): | |
657 | ||
658 | bufsize = -1 # Use default buffer size | |
659 | ||
660 | def __init__(self, methodName='runTest'): | |
661 | SocketConnectedTest.__init__(self, methodName=methodName) | |
662 | ||
663 | def setUp(self): | |
664 | SocketConnectedTest.setUp(self) | |
665 | self.serv_file = self.cli_conn.makefile('rb', self.bufsize) | |
666 | ||
667 | def tearDown(self): | |
668 | self.serv_file.close() | |
669 | self.assert_(self.serv_file.closed) | |
670 | self.serv_file = None | |
671 | SocketConnectedTest.tearDown(self) | |
672 | ||
673 | def clientSetUp(self): | |
674 | SocketConnectedTest.clientSetUp(self) | |
675 | self.cli_file = self.serv_conn.makefile('wb') | |
676 | ||
677 | def clientTearDown(self): | |
678 | self.cli_file.close() | |
679 | self.assert_(self.cli_file.closed) | |
680 | self.cli_file = None | |
681 | SocketConnectedTest.clientTearDown(self) | |
682 | ||
683 | def testSmallRead(self): | |
684 | # Performing small file read test | |
685 | first_seg = self.serv_file.read(len(MSG)-3) | |
686 | second_seg = self.serv_file.read(3) | |
687 | msg = first_seg + second_seg | |
688 | self.assertEqual(msg, MSG) | |
689 | ||
690 | def _testSmallRead(self): | |
691 | self.cli_file.write(MSG) | |
692 | self.cli_file.flush() | |
693 | ||
694 | def testFullRead(self): | |
695 | # read until EOF | |
696 | msg = self.serv_file.read() | |
697 | self.assertEqual(msg, MSG) | |
698 | ||
699 | def _testFullRead(self): | |
700 | self.cli_file.write(MSG) | |
701 | self.cli_file.close() | |
702 | ||
703 | def testUnbufferedRead(self): | |
704 | # Performing unbuffered file read test | |
705 | buf = '' | |
706 | while 1: | |
707 | char = self.serv_file.read(1) | |
708 | if not char: | |
709 | break | |
710 | buf += char | |
711 | self.assertEqual(buf, MSG) | |
712 | ||
713 | def _testUnbufferedRead(self): | |
714 | self.cli_file.write(MSG) | |
715 | self.cli_file.flush() | |
716 | ||
717 | def testReadline(self): | |
718 | # Performing file readline test | |
719 | line = self.serv_file.readline() | |
720 | self.assertEqual(line, MSG) | |
721 | ||
722 | def _testReadline(self): | |
723 | self.cli_file.write(MSG) | |
724 | self.cli_file.flush() | |
725 | ||
726 | def testClosedAttr(self): | |
727 | self.assert_(not self.serv_file.closed) | |
728 | ||
729 | def _testClosedAttr(self): | |
730 | self.assert_(not self.cli_file.closed) | |
731 | ||
732 | class UnbufferedFileObjectClassTestCase(FileObjectClassTestCase): | |
733 | ||
734 | """Repeat the tests from FileObjectClassTestCase with bufsize==0. | |
735 | ||
736 | In this case (and in this case only), it should be possible to | |
737 | create a file object, read a line from it, create another file | |
738 | object, read another line from it, without loss of data in the | |
739 | first file object's buffer. Note that httplib relies on this | |
740 | when reading multiple requests from the same socket.""" | |
741 | ||
742 | bufsize = 0 # Use unbuffered mode | |
743 | ||
744 | def testUnbufferedReadline(self): | |
745 | # Read a line, create a new file object, read another line with it | |
746 | line = self.serv_file.readline() # first line | |
747 | self.assertEqual(line, "A. " + MSG) # first line | |
748 | self.serv_file = self.cli_conn.makefile('rb', 0) | |
749 | line = self.serv_file.readline() # second line | |
750 | self.assertEqual(line, "B. " + MSG) # second line | |
751 | ||
752 | def _testUnbufferedReadline(self): | |
753 | self.cli_file.write("A. " + MSG) | |
754 | self.cli_file.write("B. " + MSG) | |
755 | self.cli_file.flush() | |
756 | ||
757 | class LineBufferedFileObjectClassTestCase(FileObjectClassTestCase): | |
758 | ||
759 | bufsize = 1 # Default-buffered for reading; line-buffered for writing | |
760 | ||
761 | ||
762 | class SmallBufferedFileObjectClassTestCase(FileObjectClassTestCase): | |
763 | ||
764 | bufsize = 2 # Exercise the buffering code | |
765 | ||
766 | class TCPTimeoutTest(SocketTCPTest): | |
767 | ||
768 | def testTCPTimeout(self): | |
769 | def raise_timeout(*args, **kwargs): | |
770 | self.serv.settimeout(1.0) | |
771 | self.serv.accept() | |
772 | self.failUnlessRaises(socket.timeout, raise_timeout, | |
773 | "Error generating a timeout exception (TCP)") | |
774 | ||
775 | def testTimeoutZero(self): | |
776 | ok = False | |
777 | try: | |
778 | self.serv.settimeout(0.0) | |
779 | foo = self.serv.accept() | |
780 | except socket.timeout: | |
781 | self.fail("caught timeout instead of error (TCP)") | |
782 | except socket.error: | |
783 | ok = True | |
784 | except: | |
785 | self.fail("caught unexpected exception (TCP)") | |
786 | if not ok: | |
787 | self.fail("accept() returned success when we did not expect it") | |
788 | ||
789 | class UDPTimeoutTest(SocketTCPTest): | |
790 | ||
791 | def testUDPTimeout(self): | |
792 | def raise_timeout(*args, **kwargs): | |
793 | self.serv.settimeout(1.0) | |
794 | self.serv.recv(1024) | |
795 | self.failUnlessRaises(socket.timeout, raise_timeout, | |
796 | "Error generating a timeout exception (UDP)") | |
797 | ||
798 | def testTimeoutZero(self): | |
799 | ok = False | |
800 | try: | |
801 | self.serv.settimeout(0.0) | |
802 | foo = self.serv.recv(1024) | |
803 | except socket.timeout: | |
804 | self.fail("caught timeout instead of error (UDP)") | |
805 | except socket.error: | |
806 | ok = True | |
807 | except: | |
808 | self.fail("caught unexpected exception (UDP)") | |
809 | if not ok: | |
810 | self.fail("recv() returned success when we did not expect it") | |
811 | ||
812 | class TestExceptions(unittest.TestCase): | |
813 | ||
814 | def testExceptionTree(self): | |
815 | self.assert_(issubclass(socket.error, Exception)) | |
816 | self.assert_(issubclass(socket.herror, socket.error)) | |
817 | self.assert_(issubclass(socket.gaierror, socket.error)) | |
818 | self.assert_(issubclass(socket.timeout, socket.error)) | |
819 | ||
820 | ||
821 | def test_main(): | |
822 | tests = [GeneralModuleTests, BasicTCPTest, TCPTimeoutTest, TestExceptions] | |
823 | if sys.platform != 'mac': | |
824 | tests.extend([ BasicUDPTest, UDPTimeoutTest ]) | |
825 | ||
826 | tests.extend([ | |
827 | NonBlockingTCPTests, | |
828 | FileObjectClassTestCase, | |
829 | UnbufferedFileObjectClassTestCase, | |
830 | LineBufferedFileObjectClassTestCase, | |
831 | SmallBufferedFileObjectClassTestCase | |
832 | ]) | |
833 | if hasattr(socket, "socketpair"): | |
834 | tests.append(BasicSocketPairTest) | |
835 | test_support.run_unittest(*tests) | |
836 | ||
837 | if __name__ == "__main__": | |
838 | test_main() |