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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "net/http/http_transaction_test_util.h" | |
6 | |
7 #include <algorithm> | |
8 | |
9 #include "base/bind.h" | |
10 #include "base/message_loop/message_loop.h" | |
11 #include "base/strings/stringprintf.h" | |
12 #include "base/time/clock.h" | |
13 #include "base/time/time.h" | |
14 #include "net/base/load_flags.h" | |
15 #include "net/base/load_timing_info.h" | |
16 #include "net/base/net_errors.h" | |
17 #include "net/disk_cache/disk_cache.h" | |
18 #include "net/http/http_cache.h" | |
19 #include "net/http/http_request_info.h" | |
20 #include "net/http/http_response_info.h" | |
21 #include "net/http/http_transaction.h" | |
22 #include "testing/gtest/include/gtest/gtest.h" | |
23 | |
24 namespace { | |
25 typedef base::hash_map<std::string, const MockTransaction*> MockTransactionMap; | |
26 static MockTransactionMap mock_transactions; | |
27 } // namespace | |
28 | |
29 //----------------------------------------------------------------------------- | |
30 // mock transaction data | |
31 | |
32 const MockTransaction kSimpleGET_Transaction = { | |
33 "http://www.google.com/", | |
34 "GET", | |
35 base::Time(), | |
36 "", | |
37 net::LOAD_NORMAL, | |
38 "HTTP/1.1 200 OK", | |
39 "Cache-Control: max-age=10000\n", | |
40 base::Time(), | |
41 "<html><body>Google Blah Blah</body></html>", | |
42 TEST_MODE_NORMAL, | |
43 NULL, | |
44 0, | |
45 net::OK | |
46 }; | |
47 | |
48 const MockTransaction kSimplePOST_Transaction = { | |
49 "http://bugdatabase.com/edit", | |
50 "POST", | |
51 base::Time(), | |
52 "", | |
53 net::LOAD_NORMAL, | |
54 "HTTP/1.1 200 OK", | |
55 "", | |
56 base::Time(), | |
57 "<html><body>Google Blah Blah</body></html>", | |
58 TEST_MODE_NORMAL, | |
59 NULL, | |
60 0, | |
61 net::OK | |
62 }; | |
63 | |
64 const MockTransaction kTypicalGET_Transaction = { | |
65 "http://www.example.com/~foo/bar.html", | |
66 "GET", | |
67 base::Time(), | |
68 "", | |
69 net::LOAD_NORMAL, | |
70 "HTTP/1.1 200 OK", | |
71 "Date: Wed, 28 Nov 2007 09:40:09 GMT\n" | |
72 "Last-Modified: Wed, 28 Nov 2007 00:40:09 GMT\n", | |
73 base::Time(), | |
74 "<html><body>Google Blah Blah</body></html>", | |
75 TEST_MODE_NORMAL, | |
76 NULL, | |
77 0, | |
78 net::OK | |
79 }; | |
80 | |
81 const MockTransaction kETagGET_Transaction = { | |
82 "http://www.google.com/foopy", | |
83 "GET", | |
84 base::Time(), | |
85 "", | |
86 net::LOAD_NORMAL, | |
87 "HTTP/1.1 200 OK", | |
88 "Cache-Control: max-age=10000\n" | |
89 "Etag: \"foopy\"\n", | |
90 base::Time(), | |
91 "<html><body>Google Blah Blah</body></html>", | |
92 TEST_MODE_NORMAL, | |
93 NULL, | |
94 0, | |
95 net::OK | |
96 }; | |
97 | |
98 const MockTransaction kRangeGET_Transaction = { | |
99 "http://www.google.com/", | |
100 "GET", | |
101 base::Time(), | |
102 "Range: 0-100\r\n", | |
103 net::LOAD_NORMAL, | |
104 "HTTP/1.1 200 OK", | |
105 "Cache-Control: max-age=10000\n", | |
106 base::Time(), | |
107 "<html><body>Google Blah Blah</body></html>", | |
108 TEST_MODE_NORMAL, | |
109 NULL, | |
110 0, | |
111 net::OK | |
112 }; | |
113 | |
114 static const MockTransaction* const kBuiltinMockTransactions[] = { | |
115 &kSimpleGET_Transaction, | |
116 &kSimplePOST_Transaction, | |
117 &kTypicalGET_Transaction, | |
118 &kETagGET_Transaction, | |
119 &kRangeGET_Transaction | |
120 }; | |
121 | |
122 const MockTransaction* FindMockTransaction(const GURL& url) { | |
123 // look for overrides: | |
124 MockTransactionMap::const_iterator it = mock_transactions.find(url.spec()); | |
125 if (it != mock_transactions.end()) | |
126 return it->second; | |
127 | |
128 // look for builtins: | |
129 for (size_t i = 0; i < arraysize(kBuiltinMockTransactions); ++i) { | |
130 if (url == GURL(kBuiltinMockTransactions[i]->url)) | |
131 return kBuiltinMockTransactions[i]; | |
132 } | |
133 return NULL; | |
134 } | |
135 | |
136 void AddMockTransaction(const MockTransaction* trans) { | |
137 mock_transactions[GURL(trans->url).spec()] = trans; | |
138 } | |
139 | |
140 void RemoveMockTransaction(const MockTransaction* trans) { | |
141 mock_transactions.erase(GURL(trans->url).spec()); | |
142 } | |
143 | |
144 MockHttpRequest::MockHttpRequest(const MockTransaction& t) { | |
145 url = GURL(t.url); | |
146 method = t.method; | |
147 extra_headers.AddHeadersFromString(t.request_headers); | |
148 load_flags = t.load_flags; | |
149 } | |
150 | |
151 //----------------------------------------------------------------------------- | |
152 | |
153 // static | |
154 int TestTransactionConsumer::quit_counter_ = 0; | |
155 | |
156 TestTransactionConsumer::TestTransactionConsumer( | |
157 net::RequestPriority priority, | |
158 net::HttpTransactionFactory* factory) | |
159 : state_(IDLE), error_(net::OK) { | |
160 // Disregard the error code. | |
161 factory->CreateTransaction(priority, &trans_); | |
162 ++quit_counter_; | |
163 } | |
164 | |
165 TestTransactionConsumer::~TestTransactionConsumer() { | |
166 } | |
167 | |
168 void TestTransactionConsumer::Start(const net::HttpRequestInfo* request, | |
169 const net::BoundNetLog& net_log) { | |
170 state_ = STARTING; | |
171 int result = trans_->Start( | |
172 request, base::Bind(&TestTransactionConsumer::OnIOComplete, | |
173 base::Unretained(this)), net_log); | |
174 if (result != net::ERR_IO_PENDING) | |
175 DidStart(result); | |
176 } | |
177 | |
178 void TestTransactionConsumer::DidStart(int result) { | |
179 if (result != net::OK) { | |
180 DidFinish(result); | |
181 } else { | |
182 Read(); | |
183 } | |
184 } | |
185 | |
186 void TestTransactionConsumer::DidRead(int result) { | |
187 if (result <= 0) { | |
188 DidFinish(result); | |
189 } else { | |
190 content_.append(read_buf_->data(), result); | |
191 Read(); | |
192 } | |
193 } | |
194 | |
195 void TestTransactionConsumer::DidFinish(int result) { | |
196 state_ = DONE; | |
197 error_ = result; | |
198 if (--quit_counter_ == 0) | |
199 base::MessageLoop::current()->Quit(); | |
200 } | |
201 | |
202 void TestTransactionConsumer::Read() { | |
203 state_ = READING; | |
204 read_buf_ = new net::IOBuffer(1024); | |
205 int result = trans_->Read(read_buf_.get(), | |
206 1024, | |
207 base::Bind(&TestTransactionConsumer::OnIOComplete, | |
208 base::Unretained(this))); | |
209 if (result != net::ERR_IO_PENDING) | |
210 DidRead(result); | |
211 } | |
212 | |
213 void TestTransactionConsumer::OnIOComplete(int result) { | |
214 switch (state_) { | |
215 case STARTING: | |
216 DidStart(result); | |
217 break; | |
218 case READING: | |
219 DidRead(result); | |
220 break; | |
221 default: | |
222 NOTREACHED(); | |
223 } | |
224 } | |
225 | |
226 MockNetworkTransaction::MockNetworkTransaction( | |
227 net::RequestPriority priority, | |
228 MockNetworkLayer* factory) | |
229 : request_(NULL), | |
230 data_cursor_(0), | |
231 priority_(priority), | |
232 websocket_handshake_stream_create_helper_(NULL), | |
233 transaction_factory_(factory->AsWeakPtr()), | |
234 received_bytes_(0), | |
235 socket_log_id_(net::NetLog::Source::kInvalidId), | |
236 weak_factory_(this) { | |
237 } | |
238 | |
239 MockNetworkTransaction::~MockNetworkTransaction() {} | |
240 | |
241 int MockNetworkTransaction::Start(const net::HttpRequestInfo* request, | |
242 const net::CompletionCallback& callback, | |
243 const net::BoundNetLog& net_log) { | |
244 if (request_) | |
245 return net::ERR_FAILED; | |
246 | |
247 request_ = request; | |
248 return StartInternal(request, callback, net_log); | |
249 } | |
250 | |
251 int MockNetworkTransaction::RestartIgnoringLastError( | |
252 const net::CompletionCallback& callback) { | |
253 return net::ERR_FAILED; | |
254 } | |
255 | |
256 int MockNetworkTransaction::RestartWithCertificate( | |
257 net::X509Certificate* client_cert, | |
258 const net::CompletionCallback& callback) { | |
259 return net::ERR_FAILED; | |
260 } | |
261 | |
262 int MockNetworkTransaction::RestartWithAuth( | |
263 const net::AuthCredentials& credentials, | |
264 const net::CompletionCallback& callback) { | |
265 if (!IsReadyToRestartForAuth()) | |
266 return net::ERR_FAILED; | |
267 | |
268 net::HttpRequestInfo auth_request_info = *request_; | |
269 auth_request_info.extra_headers.AddHeaderFromString("Authorization: Bar"); | |
270 | |
271 // Let the MockTransactionHandler worry about this: the only way for this | |
272 // test to succeed is by using an explicit handler for the transaction so | |
273 // that server behavior can be simulated. | |
274 return StartInternal(&auth_request_info, callback, net::BoundNetLog()); | |
275 } | |
276 | |
277 bool MockNetworkTransaction::IsReadyToRestartForAuth() { | |
278 if (!request_) | |
279 return false; | |
280 | |
281 if (!request_->extra_headers.HasHeader("X-Require-Mock-Auth")) | |
282 return false; | |
283 | |
284 // Allow the mock server to decide whether authentication is required or not. | |
285 std::string status_line = response_.headers->GetStatusLine(); | |
286 return status_line.find(" 401 ") != std::string::npos || | |
287 status_line.find(" 407 ") != std::string::npos; | |
288 } | |
289 | |
290 int MockNetworkTransaction::Read(net::IOBuffer* buf, int buf_len, | |
291 const net::CompletionCallback& callback) { | |
292 int data_len = static_cast<int>(data_.size()); | |
293 int num = std::min(buf_len, data_len - data_cursor_); | |
294 if (test_mode_ & TEST_MODE_SLOW_READ) | |
295 num = std::min(num, 1); | |
296 if (num) { | |
297 memcpy(buf->data(), data_.data() + data_cursor_, num); | |
298 data_cursor_ += num; | |
299 } | |
300 if (test_mode_ & TEST_MODE_SYNC_NET_READ) | |
301 return num; | |
302 | |
303 CallbackLater(callback, num); | |
304 return net::ERR_IO_PENDING; | |
305 } | |
306 | |
307 void MockNetworkTransaction::StopCaching() { | |
308 if (transaction_factory_.get()) | |
309 transaction_factory_->TransactionStopCaching(); | |
310 } | |
311 | |
312 bool MockNetworkTransaction::GetFullRequestHeaders( | |
313 net::HttpRequestHeaders* headers) const { | |
314 return false; | |
315 } | |
316 | |
317 int64 MockNetworkTransaction::GetTotalReceivedBytes() const { | |
318 return received_bytes_; | |
319 } | |
320 | |
321 void MockNetworkTransaction::DoneReading() { | |
322 if (transaction_factory_.get()) | |
323 transaction_factory_->TransactionDoneReading(); | |
324 } | |
325 | |
326 const net::HttpResponseInfo* MockNetworkTransaction::GetResponseInfo() const { | |
327 return &response_; | |
328 } | |
329 | |
330 net::LoadState MockNetworkTransaction::GetLoadState() const { | |
331 if (data_cursor_) | |
332 return net::LOAD_STATE_READING_RESPONSE; | |
333 return net::LOAD_STATE_IDLE; | |
334 } | |
335 | |
336 net::UploadProgress MockNetworkTransaction::GetUploadProgress() const { | |
337 return net::UploadProgress(); | |
338 } | |
339 | |
340 void MockNetworkTransaction::SetQuicServerInfo( | |
341 net::QuicServerInfo* quic_server_info) {} | |
342 | |
343 bool MockNetworkTransaction::GetLoadTimingInfo( | |
344 net::LoadTimingInfo* load_timing_info) const { | |
345 if (socket_log_id_ != net::NetLog::Source::kInvalidId) { | |
346 // The minimal set of times for a request that gets a response, assuming it | |
347 // gets a new socket. | |
348 load_timing_info->socket_reused = false; | |
349 load_timing_info->socket_log_id = socket_log_id_; | |
350 load_timing_info->connect_timing.connect_start = base::TimeTicks::Now(); | |
351 load_timing_info->connect_timing.connect_end = base::TimeTicks::Now(); | |
352 load_timing_info->send_start = base::TimeTicks::Now(); | |
353 load_timing_info->send_end = base::TimeTicks::Now(); | |
354 } else { | |
355 // If there's no valid socket ID, just use the generic socket reused values. | |
356 // No tests currently depend on this, just should not match the values set | |
357 // by a cache hit. | |
358 load_timing_info->socket_reused = true; | |
359 load_timing_info->send_start = base::TimeTicks::Now(); | |
360 load_timing_info->send_end = base::TimeTicks::Now(); | |
361 } | |
362 return true; | |
363 } | |
364 | |
365 void MockNetworkTransaction::SetPriority(net::RequestPriority priority) { | |
366 priority_ = priority; | |
367 } | |
368 | |
369 void MockNetworkTransaction::SetWebSocketHandshakeStreamCreateHelper( | |
370 net::WebSocketHandshakeStreamBase::CreateHelper* create_helper) { | |
371 websocket_handshake_stream_create_helper_ = create_helper; | |
372 } | |
373 | |
374 int MockNetworkTransaction::StartInternal( | |
375 const net::HttpRequestInfo* request, | |
376 const net::CompletionCallback& callback, | |
377 const net::BoundNetLog& net_log) { | |
378 const MockTransaction* t = FindMockTransaction(request->url); | |
379 if (!t) | |
380 return net::ERR_FAILED; | |
381 | |
382 test_mode_ = t->test_mode; | |
383 | |
384 // Return immediately if we're returning an error. | |
385 if (net::OK != t->return_code) { | |
386 if (test_mode_ & TEST_MODE_SYNC_NET_START) | |
387 return t->return_code; | |
388 CallbackLater(callback, t->return_code); | |
389 return net::ERR_IO_PENDING; | |
390 } | |
391 | |
392 std::string resp_status = t->status; | |
393 std::string resp_headers = t->response_headers; | |
394 std::string resp_data = t->data; | |
395 received_bytes_ = resp_status.size() + resp_headers.size() + resp_data.size(); | |
396 if (t->handler) | |
397 (t->handler)(request, &resp_status, &resp_headers, &resp_data); | |
398 | |
399 std::string header_data = base::StringPrintf( | |
400 "%s\n%s\n", resp_status.c_str(), resp_headers.c_str()); | |
401 std::replace(header_data.begin(), header_data.end(), '\n', '\0'); | |
402 | |
403 response_.request_time = transaction_factory_->Now(); | |
404 if (!t->request_time.is_null()) | |
405 response_.request_time = t->request_time; | |
406 | |
407 response_.was_cached = false; | |
408 response_.network_accessed = true; | |
409 | |
410 response_.response_time = transaction_factory_->Now(); | |
411 if (!t->response_time.is_null()) | |
412 response_.response_time = t->response_time; | |
413 | |
414 response_.headers = new net::HttpResponseHeaders(header_data); | |
415 response_.vary_data.Init(*request, *response_.headers.get()); | |
416 response_.ssl_info.cert_status = t->cert_status; | |
417 data_ = resp_data; | |
418 | |
419 if (net_log.net_log()) | |
420 socket_log_id_ = net_log.net_log()->NextID(); | |
421 | |
422 if (request_->load_flags & net::LOAD_PREFETCH) | |
423 response_.unused_since_prefetch = true; | |
424 | |
425 if (test_mode_ & TEST_MODE_SYNC_NET_START) | |
426 return net::OK; | |
427 | |
428 CallbackLater(callback, net::OK); | |
429 return net::ERR_IO_PENDING; | |
430 } | |
431 | |
432 void MockNetworkTransaction::SetBeforeNetworkStartCallback( | |
433 const BeforeNetworkStartCallback& callback) { | |
434 } | |
435 | |
436 void MockNetworkTransaction::SetBeforeProxyHeadersSentCallback( | |
437 const BeforeProxyHeadersSentCallback& callback) { | |
438 } | |
439 | |
440 int MockNetworkTransaction::ResumeNetworkStart() { | |
441 // Should not get here. | |
442 return net::ERR_FAILED; | |
443 } | |
444 | |
445 void MockNetworkTransaction::CallbackLater( | |
446 const net::CompletionCallback& callback, int result) { | |
447 base::MessageLoop::current()->PostTask( | |
448 FROM_HERE, base::Bind(&MockNetworkTransaction::RunCallback, | |
449 weak_factory_.GetWeakPtr(), callback, result)); | |
450 } | |
451 | |
452 void MockNetworkTransaction::RunCallback( | |
453 const net::CompletionCallback& callback, int result) { | |
454 callback.Run(result); | |
455 } | |
456 | |
457 MockNetworkLayer::MockNetworkLayer() | |
458 : transaction_count_(0), | |
459 done_reading_called_(false), | |
460 stop_caching_called_(false), | |
461 last_create_transaction_priority_(net::DEFAULT_PRIORITY), | |
462 clock_(nullptr) { | |
463 } | |
464 | |
465 MockNetworkLayer::~MockNetworkLayer() {} | |
466 | |
467 void MockNetworkLayer::TransactionDoneReading() { | |
468 done_reading_called_ = true; | |
469 } | |
470 | |
471 void MockNetworkLayer::TransactionStopCaching() { | |
472 stop_caching_called_ = true; | |
473 } | |
474 | |
475 int MockNetworkLayer::CreateTransaction( | |
476 net::RequestPriority priority, | |
477 scoped_ptr<net::HttpTransaction>* trans) { | |
478 transaction_count_++; | |
479 last_create_transaction_priority_ = priority; | |
480 scoped_ptr<MockNetworkTransaction> mock_transaction( | |
481 new MockNetworkTransaction(priority, this)); | |
482 last_transaction_ = mock_transaction->AsWeakPtr(); | |
483 *trans = mock_transaction.Pass(); | |
484 return net::OK; | |
485 } | |
486 | |
487 net::HttpCache* MockNetworkLayer::GetCache() { | |
488 return NULL; | |
489 } | |
490 | |
491 net::HttpNetworkSession* MockNetworkLayer::GetSession() { | |
492 return NULL; | |
493 } | |
494 | |
495 void MockNetworkLayer::SetClock(base::Clock* clock) { | |
496 DCHECK(!clock_); | |
497 clock_ = clock; | |
498 } | |
499 | |
500 base::Time MockNetworkLayer::Now() { | |
501 if (clock_) | |
502 return clock_->Now(); | |
503 return base::Time::Now(); | |
504 } | |
505 | |
506 //----------------------------------------------------------------------------- | |
507 // helpers | |
508 | |
509 int ReadTransaction(net::HttpTransaction* trans, std::string* result) { | |
510 int rv; | |
511 | |
512 net::TestCompletionCallback callback; | |
513 | |
514 std::string content; | |
515 do { | |
516 scoped_refptr<net::IOBuffer> buf(new net::IOBuffer(256)); | |
517 rv = trans->Read(buf.get(), 256, callback.callback()); | |
518 if (rv == net::ERR_IO_PENDING) | |
519 rv = callback.WaitForResult(); | |
520 | |
521 if (rv > 0) | |
522 content.append(buf->data(), rv); | |
523 else if (rv < 0) | |
524 return rv; | |
525 } while (rv > 0); | |
526 | |
527 result->swap(content); | |
528 return net::OK; | |
529 } | |
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