| 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() |