/usr/share/pyshared/twisted/web2/test/test_client.py is in python-twisted-web2 8.1.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 | # Copyright (c) 2001-2007 Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Tests for HTTP client.
"""
from twisted.internet import protocol, defer
from twisted.web2.client import http
from twisted.web2 import http_headers
from twisted.web2 import stream
from twisted.web2.test.test_http import LoopbackRelay, HTTPTests, TestConnection
class TestServer(protocol.Protocol):
data = ""
done = False
def dataReceived(self, data):
self.data += data
def write(self, data):
self.transport.write(data)
def connectionLost(self, reason):
self.done = True
self.transport.loseConnection()
def loseConnection(self):
self.done = True
self.transport.loseConnection()
class ClientTests(HTTPTests):
def connect(self, logFile=None, maxPipeline=4,
inputTimeOut=60000, betweenRequestsTimeOut=600000):
cxn = TestConnection()
cxn.client = http.HTTPClientProtocol()
cxn.client.inputTimeOut = inputTimeOut
cxn.server = TestServer()
cxn.serverToClient = LoopbackRelay(cxn.client, logFile)
cxn.clientToServer = LoopbackRelay(cxn.server, logFile)
cxn.server.makeConnection(cxn.serverToClient)
cxn.client.makeConnection(cxn.clientToServer)
return cxn
def writeToClient(self, cxn, data):
cxn.server.write(data)
self.iterate(cxn)
def writeLines(self, cxn, lines):
self.writeToClient(cxn, '\r\n'.join(lines))
def assertReceived(self, cxn, expectedStatus, expectedHeaders,
expectedContent=None):
self.iterate(cxn)
headers, content = cxn.server.data.split('\r\n\r\n', 1)
status, headers = headers.split('\r\n', 1)
headers = headers.split('\r\n')
# check status line
self.assertEquals(status, expectedStatus)
# check headers (header order isn't guraunteed so we use
# self.assertIn
for x in headers:
self.assertIn(x, expectedHeaders)
if not expectedContent:
expectedContent = ''
self.assertEquals(content, expectedContent)
def assertDone(self, cxn):
self.iterate(cxn)
self.assertEquals(cxn.server.done, True, 'Connection not closed.')
def assertHeaders(self, resp, expectedHeaders):
headers = list(resp.headers.getAllRawHeaders())
headers.sort()
self.assertEquals(headers, expectedHeaders)
def checkResponse(self, resp, code, headers, length, data):
"""
Assert various things about a response: http code, headers, stream
length, and data in stream.
"""
def gotData(gotdata):
self.assertEquals(gotdata, data)
self.assertEquals(resp.code, code)
self.assertHeaders(resp, headers)
self.assertEquals(resp.stream.length, length)
return defer.maybeDeferred(resp.stream.read).addCallback(gotData)
class TestHTTPClient(ClientTests):
"""
Test that the http client works.
"""
def test_simpleRequest(self):
"""
Your basic simple HTTP Request.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('GET', '/', None, None)
d = cxn.client.submitRequest(req).addCallback(self.checkResponse, 200, [], 10, '1234567890')
self.assertReceived(cxn, 'GET / HTTP/1.1',
['Connection: close'])
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'Content-Length: 10',
'Connection: close',
'',
'1234567890'))
return d.addCallback(lambda _: self.assertDone(cxn))
def test_delayedContent(self):
"""
Make sure that the client returns the response object as soon as the
headers are received, even if the data hasn't arrived yet.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('GET', '/', None, None)
def gotData(data):
self.assertEquals(data, '1234567890')
def gotResp(resp):
self.assertEquals(resp.code, 200)
self.assertHeaders(resp, [])
self.assertEquals(resp.stream.length, 10)
self.writeToClient(cxn, '1234567890')
return defer.maybeDeferred(resp.stream.read).addCallback(gotData)
d = cxn.client.submitRequest(req).addCallback(gotResp)
self.assertReceived(cxn, 'GET / HTTP/1.1',
['Connection: close'])
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'Content-Length: 10',
'Connection: close',
'\r\n'))
return d.addCallback(lambda _: self.assertDone(cxn))
def test_prematurePipelining(self):
"""
Ensure that submitting a second request before it's allowed results
in an AssertionError.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('GET', '/', None, None)
req2 = http.ClientRequest('GET', '/bar', None, None)
d = cxn.client.submitRequest(req, closeAfter=False).addCallback(
self.checkResponse, 200, [], 0, None)
self.assertRaises(AssertionError,
cxn.client.submitRequest, req2)
self.assertReceived(cxn, 'GET / HTTP/1.1',
['Connection: Keep-Alive'])
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'Content-Length: 0',
'Connection: close',
'\r\n'))
return d
def test_userHeaders(self):
"""
Make sure that headers get through in both directions.
"""
cxn = self.connect(inputTimeOut=None)
def submitNext(_):
headers = http_headers.Headers(
headers={'Accept-Language': {'en': 1.0}},
rawHeaders={'X-My-Other-Header': ['socks']})
req = http.ClientRequest('GET', '/', headers, None)
cxn.server.data = ''
d = cxn.client.submitRequest(req, closeAfter=True)
self.assertReceived(cxn, 'GET / HTTP/1.1',
['Connection: close',
'X-My-Other-Header: socks',
'Accept-Language: en'])
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'Content-Length: 0',
'Connection: close',
'\r\n'))
return d
req = http.ClientRequest('GET', '/',
{'Accept-Language': {'en': 1.0}}, None)
d = cxn.client.submitRequest(req, closeAfter=False).addCallback(
self.checkResponse, 200, [('X-Foobar', ['Yes'])], 0, None).addCallback(
submitNext)
self.assertReceived(cxn, 'GET / HTTP/1.1',
['Connection: Keep-Alive',
'Accept-Language: en'])
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'Content-Length: 0',
'X-Foobar: Yes',
'\r\n'))
return d.addCallback(lambda _: self.assertDone(cxn))
def test_streamedUpload(self):
"""
Make sure that sending request content works.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('PUT', '/foo', None, 'Helloooo content')
d = cxn.client.submitRequest(req).addCallback(self.checkResponse, 202, [], 0, None)
self.assertReceived(cxn, 'PUT /foo HTTP/1.1',
['Connection: close',
'Content-Length: 16'],
'Helloooo content')
self.writeLines(cxn, ('HTTP/1.1 202 Accepted',
'Content-Length: 0',
'Connection: close',
'\r\n'))
return d.addCallback(lambda _: self.assertDone(cxn))
def test_sentHead(self):
"""
Ensure that HEAD requests work, and return Content-Length.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('HEAD', '/', None, None)
d = cxn.client.submitRequest(req).addCallback(self.checkResponse, 200, [('Content-Length', ['5'])], 0, None)
self.assertReceived(cxn, 'HEAD / HTTP/1.1',
['Connection: close'])
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'Connection: close',
'Content-Length: 5',
'',
'Pants')) # bad server
return d.addCallback(lambda _: self.assertDone(cxn))
def test_sentHeadKeepAlive(self):
"""
Ensure that keepalive works right after a HEAD request.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('HEAD', '/', None, None)
didIt = [0]
def gotData(data):
self.assertEquals(data, None)
def gotResp(resp):
self.assertEquals(resp.code, 200)
self.assertEquals(resp.stream.length, 0)
self.assertHeaders(resp, [])
return defer.maybeDeferred(resp.stream.read).addCallback(gotData)
def submitRequest(second):
if didIt[0]:
return
didIt[0] = second
if second:
keepAlive='close'
else:
keepAlive='Keep-Alive'
cxn.server.data = ''
d = cxn.client.submitRequest(req, closeAfter=second).addCallback(
self.checkResponse, 200, [('Content-Length', ['5'])], 0, None)
self.assertReceived(cxn, 'HEAD / HTTP/1.1',
['Connection: '+ keepAlive])
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'Connection: '+ keepAlive,
'Content-Length: 5',
'\r\n'))
return d.addCallback(lambda _: submitRequest(1))
d = submitRequest(0)
return d.addCallback(lambda _: self.assertDone(cxn))
def test_chunkedUpload(self):
"""
Ensure chunked data is correctly decoded on upload.
"""
cxn = self.connect(inputTimeOut=None)
data = 'Foo bar baz bax'
s = stream.ProducerStream(length=None)
s.write(data)
req = http.ClientRequest('PUT', '/', None, s)
d = cxn.client.submitRequest(req)
s.finish()
self.assertReceived(cxn, 'PUT / HTTP/1.1',
['Connection: close',
'Transfer-Encoding: chunked'],
'%X\r\n%s\r\n0\r\n\r\n' % (len(data), data))
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'Connection: close',
'Content-Length: 0',
'\r\n'))
return d.addCallback(lambda _: self.assertDone(cxn))
class TestEdgeCases(ClientTests):
def test_serverDoesntSendConnectionClose(self):
"""
Check that a lost connection is treated as end of response, if we
requested connection: close, even if the server didn't respond with
connection: close.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('GET', '/', None, None)
d = cxn.client.submitRequest(req).addCallback(self.checkResponse, 200, [], None, 'Some Content')
self.assertReceived(cxn, 'GET / HTTP/1.1',
['Connection: close'])
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'',
'Some Content'))
return d.addCallback(lambda _: self.assertDone(cxn))
def test_serverIsntHttp(self):
"""
Check that an error is returned if the server doesn't talk HTTP.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('GET', '/', None, None)
def gotResp(r):
print r
d = cxn.client.submitRequest(req).addCallback(gotResp)
self.assertFailure(d, http.ProtocolError)
self.writeLines(cxn, ('HTTP-NG/1.1 200 OK',
'\r\n'))
def test_newServer(self):
"""
Check that an error is returned if the server is a new major version.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('GET', '/', None, None)
d = cxn.client.submitRequest(req)
self.assertFailure(d, http.ProtocolError)
self.writeLines(cxn, ('HTTP/2.3 200 OK',
'\r\n'))
def test_shortStatus(self):
"""
Check that an error is returned if the response line is invalid.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('GET', '/', None, None)
d = cxn.client.submitRequest(req)
self.assertFailure(d, http.ProtocolError)
self.writeLines(cxn, ('HTTP/1.1 200',
'\r\n'))
def test_errorReadingRequestStream(self):
"""
Ensure that stream errors are propagated to the response.
"""
cxn = self.connect(inputTimeOut=None)
s = stream.ProducerStream()
s.write('Foo')
req = http.ClientRequest('GET', '/', None, s)
d = cxn.client.submitRequest(req)
s.finish(IOError('Test Error'))
return self.assertFailure(d, IOError)
def test_connectionLost(self):
"""
Check that closing the connection is propagated to the response
deferred.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('GET', '/', None, None)
d = cxn.client.submitRequest(req)
self.assertReceived(cxn, 'GET / HTTP/1.1',
['Connection: close'])
cxn.client.connectionLost(ValueError("foo"))
return self.assertFailure(d, ValueError)
def test_connectionLostAfterHeaders(self):
"""
Test that closing the connection after headers are sent is propagated
to the response stream.
"""
cxn = self.connect(inputTimeOut=None)
req = http.ClientRequest('GET', '/', None, None)
d = cxn.client.submitRequest(req)
self.assertReceived(cxn, 'GET / HTTP/1.1',
['Connection: close'])
self.writeLines(cxn, ('HTTP/1.1 200 OK',
'Content-Length: 10',
'Connection: close',
'\r\n'))
cxn.client.connectionLost(ValueError("foo"))
def cb(response):
return self.assertFailure(response.stream.read(), ValueError)
d.addCallback(cb)
return d
|