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1 // Copyright (c) 2017 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_cache_writers.h" | |
6 | |
7 #include <memory> | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/run_loop.h" | |
12 #include "net/http/http_cache.h" | |
13 #include "net/http/http_cache_transaction.h" | |
14 #include "net/http/http_transaction.h" | |
15 #include "net/http/http_transaction_test_util.h" | |
16 #include "net/http/mock_http_cache.h" | |
17 #include "net/test/gtest_util.h" | |
18 #include "testing/gmock/include/gmock/gmock.h" | |
19 #include "testing/gtest/include/gtest/gtest.h" | |
20 | |
21 using net::test::IsError; | |
22 using net::test::IsOk; | |
23 | |
24 namespace net { | |
25 | |
26 class MockHttpCacheTransaction : public HttpCache::Transaction { | |
27 typedef WebSocketHandshakeStreamBase::CreateHelper CreateHelper; | |
28 | |
29 public: | |
30 MockHttpCacheTransaction(RequestPriority priority, HttpCache* cache) | |
31 : HttpCache::Transaction(priority, cache){}; | |
32 ~MockHttpCacheTransaction() override{}; | |
33 | |
34 // HttpCache::Transaction: | |
35 | |
36 int Start(const HttpRequestInfo* request, | |
37 const CompletionCallback& callback, | |
38 const NetLogWithSource& net_log) override { | |
39 return OK; | |
40 } | |
41 | |
42 int RestartIgnoringLastError(const CompletionCallback& callback) override { | |
43 return OK; | |
44 } | |
45 | |
46 int RestartWithCertificate(scoped_refptr<X509Certificate> client_cert, | |
47 scoped_refptr<SSLPrivateKey> client_private_key, | |
48 const CompletionCallback& callback) override { | |
49 return OK; | |
50 } | |
51 | |
52 int RestartWithAuth(const AuthCredentials& credentials, | |
53 const CompletionCallback& callback) override { | |
54 return OK; | |
55 } | |
56 | |
57 bool IsReadyToRestartForAuth() override { return true; } | |
58 | |
59 int Read(IOBuffer* buf, | |
60 int buf_len, | |
61 const CompletionCallback& callback) override { | |
62 return OK; | |
63 } | |
64 | |
65 void PopulateNetErrorDetails(NetErrorDetails* details) const override {} | |
66 | |
67 void StopCaching() override {} | |
68 | |
69 bool GetFullRequestHeaders(HttpRequestHeaders* headers) const override { | |
70 return true; | |
71 } | |
72 | |
73 int64_t GetTotalReceivedBytes() const override { return OK; } | |
74 | |
75 int64_t GetTotalSentBytes() const override { return OK; } | |
76 | |
77 void DoneReading() override {} | |
78 | |
79 const HttpResponseInfo* GetResponseInfo() const override { return nullptr; } | |
80 | |
81 LoadState GetLoadState() const override { return LOAD_STATE_IDLE; } | |
82 | |
83 void SetQuicServerInfo(QuicServerInfo* quic_server_info) override {} | |
84 | |
85 bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const override { | |
86 return true; | |
87 } | |
88 | |
89 bool GetRemoteEndpoint(IPEndPoint* endpoint) const override { return true; } | |
90 | |
91 void SetWebSocketHandshakeStreamCreateHelper( | |
92 CreateHelper* create_helper) override {} | |
93 | |
94 void SetBeforeNetworkStartCallback( | |
95 const BeforeNetworkStartCallback& callback) override {} | |
96 | |
97 void SetBeforeHeadersSentCallback( | |
98 const BeforeHeadersSentCallback& callback) override {} | |
99 | |
100 int ResumeNetworkStart() override { return OK; } | |
101 | |
102 void GetConnectionAttempts(ConnectionAttempts* out) const override {} | |
103 | |
104 CreateHelper* websocket_handshake_stream_create_helper() { return nullptr; } | |
105 }; | |
106 | |
107 class WritersTest : public testing::Test { | |
108 public: | |
109 enum class DeleteTransactionType { NONE, ACTIVE, WAITING, IDLE }; | |
110 | |
111 WritersTest() : disk_entry_(nullptr), request_(kSimpleGET_Transaction) {} | |
112 | |
113 ~WritersTest() override { | |
114 if (disk_entry_) | |
115 disk_entry_->Close(); | |
116 } | |
117 | |
118 void CreateWriters(const std::string& url) { | |
119 cache_.CreateBackendEntry(kSimpleGET_Transaction.url, &disk_entry_, | |
120 nullptr); | |
121 writers_ = base::MakeUnique<HttpCache::Writers>(disk_entry_); | |
122 } | |
123 | |
124 std::unique_ptr<HttpTransaction> CreateNetworkTransaction() { | |
125 std::unique_ptr<HttpTransaction> transaction; | |
126 MockNetworkLayer* network_layer = cache_.network_layer(); | |
127 network_layer->CreateTransaction(DEFAULT_PRIORITY, &transaction); | |
128 return transaction; | |
129 } | |
130 | |
131 void CreateWritersAddTransaction(bool is_exclusive = false) { | |
132 TestCompletionCallback callback; | |
133 | |
134 // Create and Start a mock network transaction. | |
135 std::unique_ptr<HttpTransaction> network_transaction; | |
136 network_transaction = CreateNetworkTransaction(); | |
137 network_transaction->Start(&request_, callback.callback(), | |
138 NetLogWithSource()); | |
139 base::RunLoop().RunUntilIdle(); | |
140 | |
141 // Create a mock cache transaction. | |
142 std::unique_ptr<MockHttpCacheTransaction> transaction = | |
143 base::MakeUnique<MockHttpCacheTransaction>(DEFAULT_PRIORITY, | |
144 cache_.http_cache()); | |
145 | |
146 CreateWriters(kSimpleGET_Transaction.url); | |
147 EXPECT_TRUE(writers_->IsEmpty()); | |
148 writers_->AddTransaction(transaction.get(), std::move(network_transaction), | |
149 is_exclusive); | |
150 EXPECT_TRUE(writers_->HasTransaction(transaction.get())); | |
151 transactions_.push_back(std::move(transaction)); | |
152 } | |
153 | |
154 void CreateWritersAddTransactionPriority(net::RequestPriority priority, | |
155 bool is_exclusive = false) { | |
156 CreateWritersAddTransaction(is_exclusive); | |
157 MockHttpCacheTransaction* transaction = transactions_.begin()->get(); | |
158 transaction->SetPriority(priority); | |
159 } | |
160 | |
161 void AddTransactionToExistingWriters() { | |
162 EXPECT_TRUE(writers_); | |
163 | |
164 // Create a mock cache transaction. | |
165 std::unique_ptr<MockHttpCacheTransaction> transaction = | |
166 base::MakeUnique<MockHttpCacheTransaction>(DEFAULT_PRIORITY, | |
167 cache_.http_cache()); | |
168 | |
169 writers_->AddTransaction(transaction.get(), nullptr, false); | |
170 transactions_.push_back(std::move(transaction)); | |
171 } | |
172 | |
173 int Read(std::string* result) { | |
174 EXPECT_TRUE(transactions_.size() >= (size_t)1); | |
175 MockHttpCacheTransaction* transaction = transactions_.begin()->get(); | |
176 TestCompletionCallback callback; | |
177 | |
178 std::string content; | |
179 int rv = 0; | |
180 do { | |
181 scoped_refptr<IOBuffer> buf(new IOBuffer(kDefaultBufferSize)); | |
182 rv = writers_->Read(buf.get(), kDefaultBufferSize, callback.callback(), | |
183 transaction); | |
184 if (rv == ERR_IO_PENDING) { | |
185 rv = callback.WaitForResult(); | |
186 base::RunLoop().RunUntilIdle(); | |
187 } | |
188 | |
189 if (rv > 0) | |
190 content.append(buf->data(), rv); | |
191 else if (rv < 0) | |
192 return rv; | |
193 } while (rv > 0); | |
194 | |
195 result->swap(content); | |
196 return OK; | |
197 } | |
198 | |
199 void ReadVerifyTwoDifferentBufferLengths( | |
200 const std::vector<int>& buffer_lengths) { | |
201 EXPECT_EQ(2u, buffer_lengths.size()); | |
202 EXPECT_EQ(2u, transactions_.size()); | |
203 | |
204 std::vector<std::string> results(buffer_lengths.size()); | |
205 | |
206 // Check only the 1st Read and not the complete response because the smaller | |
207 // buffer transaction will need to read the remaining response from the | |
208 // cache which will be tested when integrated with MockHttpCacheTransaction | |
209 // layer. | |
210 | |
211 int rv = 0; | |
212 | |
213 std::vector<scoped_refptr<IOBuffer>> bufs; | |
214 for (auto buffer_length : buffer_lengths) | |
215 bufs.push_back(new IOBuffer(buffer_length)); | |
216 | |
217 std::vector<TestCompletionCallback> callbacks(buffer_lengths.size()); | |
218 | |
219 // Multiple transactions should be able to read with different sized | |
220 // buffers. | |
221 for (size_t i = 0; i < transactions_.size(); i++) { | |
222 rv = writers_->Read(bufs[i].get(), buffer_lengths[i], | |
223 callbacks[i].callback(), transactions_[i].get()); | |
224 EXPECT_EQ(ERR_IO_PENDING, rv); // Since the default is asynchronous. | |
225 } | |
226 | |
227 // If first buffer is smaller, then the second one will only read the | |
228 // smaller length as well. | |
229 std::vector<int> expected_lengths = {buffer_lengths[0], | |
230 buffer_lengths[0] < buffer_lengths[1] | |
231 ? buffer_lengths[0] | |
232 : buffer_lengths[1]}; | |
233 | |
234 for (size_t i = 0; i < callbacks.size(); i++) { | |
235 rv = callbacks[i].WaitForResult(); | |
236 EXPECT_EQ(expected_lengths[i], rv); | |
237 results[i].append(bufs[i]->data(), expected_lengths[i]); | |
238 } | |
239 | |
240 EXPECT_EQ(results[0].substr(0, expected_lengths[1]), results[1]); | |
241 | |
242 std::string expected(kSimpleGET_Transaction.data); | |
243 EXPECT_EQ(expected.substr(0, expected_lengths[1]), results[1]); | |
244 } | |
245 | |
246 // Verifies the impact of an active/waiting/idle transaction's deletion on | |
247 // other transactions given by deleteType. If deleteType is NONE, then no | |
248 // transaction is deleted and all transactions complete reading the data. | |
jkarlin
2017/07/14 18:30:48
This comment doesn't describe the main intent, whi
shivanisha
2017/07/14 20:50:27
done
| |
249 void ReadAllDeleteTransaction(DeleteTransactionType deleteType) { | |
250 EXPECT_TRUE(transactions_.size() >= 3u); | |
251 | |
252 unsigned int delete_index = std::numeric_limits<unsigned int>::max(); | |
253 switch (deleteType) { | |
254 case DeleteTransactionType::NONE: | |
255 break; | |
256 case DeleteTransactionType::ACTIVE: | |
257 delete_index = 0; | |
258 break; | |
259 case DeleteTransactionType::WAITING: | |
260 delete_index = 1; | |
261 break; | |
262 case DeleteTransactionType::IDLE: | |
263 delete_index = 2; | |
264 break; | |
265 } | |
266 | |
267 std::vector<std::string> results(transactions_.size()); | |
268 int rv = 0; | |
269 bool first_iter = true; | |
270 do { | |
271 std::vector<scoped_refptr<IOBuffer>> bufs; | |
272 std::vector<TestCompletionCallback> callbacks(transactions_.size()); | |
273 | |
274 for (size_t i = 0; i < transactions_.size(); i++) { | |
275 bufs.push_back(new IOBuffer(kDefaultBufferSize)); | |
276 | |
277 // If we have deleted a transaction in the first iteration, then do not | |
278 // invoke Read on it, in subsequent iterations. | |
279 if (!first_iter && deleteType != DeleteTransactionType::NONE && | |
280 i == delete_index) | |
281 continue; | |
282 | |
283 // For it to be an idle transaction, do not invoke Read. | |
284 if (deleteType == DeleteTransactionType::IDLE && i == delete_index) | |
285 continue; | |
286 | |
287 rv = writers_->Read(bufs[i].get(), kDefaultBufferSize, | |
288 callbacks[i].callback(), transactions_[i].get()); | |
289 EXPECT_EQ(ERR_IO_PENDING, rv); // Since the default is asynchronous. | |
290 } | |
291 | |
292 if (first_iter && deleteType != DeleteTransactionType::NONE) { | |
293 writers_->RemoveTransaction(transactions_.at(delete_index).get()); | |
294 } | |
295 | |
296 std::vector<int> rvs; | |
297 for (size_t i = 0; i < callbacks.size(); i++) { | |
298 if (i == delete_index && deleteType != DeleteTransactionType::NONE) | |
299 continue; | |
300 rv = callbacks[i].WaitForResult(); | |
301 rvs.push_back(rv); | |
302 } | |
303 | |
304 // Verify all transactions should read the same length buffer. | |
305 for (size_t i = 1; i < rvs.size(); i++) { | |
306 ASSERT_EQ(rvs[i - 1], rvs[i]); | |
307 } | |
308 | |
309 if (rv > 0) { | |
310 for (size_t i = 0; i < results.size(); i++) { | |
311 if (i == delete_index && deleteType != DeleteTransactionType::NONE && | |
312 deleteType != DeleteTransactionType::ACTIVE) { | |
313 continue; | |
314 } | |
315 results.at(i).append(bufs[i]->data(), rv); | |
316 } | |
317 } | |
318 first_iter = false; | |
319 } while (rv > 0); | |
320 | |
321 for (size_t i = 0; i < results.size(); i++) { | |
322 if (i == delete_index && deleteType != DeleteTransactionType::NONE && | |
323 deleteType != DeleteTransactionType::ACTIVE) { | |
324 continue; | |
325 } | |
326 EXPECT_EQ(kSimpleGET_Transaction.data, results[i]); | |
327 } | |
328 | |
329 EXPECT_EQ(OK, rv); | |
330 } | |
331 | |
332 void ReadAll() { ReadAllDeleteTransaction(DeleteTransactionType::NONE); } | |
333 | |
334 int ReadCacheWriteFailure(std::vector<std::string>* results) { | |
335 int rv = 0; | |
336 int active_transaction_rv = 0; | |
337 bool first_iter = true; | |
338 do { | |
339 std::vector<scoped_refptr<IOBuffer>> bufs; | |
340 std::vector<TestCompletionCallback> callbacks(results->size()); | |
341 | |
342 // Fail the request. | |
343 cache_.disk_cache()->set_soft_failures(true); | |
344 | |
345 // We have to open the entry again to propagate the failure flag. | |
346 disk_cache::Entry* en; | |
347 cache_.OpenBackendEntry(kSimpleGET_Transaction.url, &en); | |
348 en->Close(); | |
349 | |
350 for (size_t i = 0; i < transactions_.size(); i++) { | |
351 bufs.push_back(new IOBuffer(30)); | |
352 | |
353 if (!first_iter && i > 0) | |
354 break; | |
355 rv = writers_->Read(bufs[i].get(), 30, callbacks[i].callback(), | |
356 transactions_[i].get()); | |
357 EXPECT_EQ(ERR_IO_PENDING, rv); // Since the default is asynchronous. | |
358 } | |
359 | |
360 for (size_t i = 0; i < callbacks.size(); i++) { | |
361 // Only active transaction should succeed. | |
362 if (i == 0) { | |
363 active_transaction_rv = callbacks[i].WaitForResult(); | |
364 EXPECT_TRUE(active_transaction_rv >= 0); | |
365 results->at(0).append(bufs[i]->data(), active_transaction_rv); | |
366 } else if (first_iter) { | |
367 rv = callbacks[i].WaitForResult(); | |
368 EXPECT_EQ(ERR_CACHE_WRITE_FAILURE, rv); | |
369 } | |
370 } | |
371 | |
372 first_iter = false; | |
373 } while (active_transaction_rv > 0); | |
374 | |
375 return active_transaction_rv; | |
376 } | |
377 | |
378 int ReadNetworkFailure(std::vector<std::string>* results, Error error) { | |
379 int rv = 0; | |
380 std::vector<scoped_refptr<IOBuffer>> bufs; | |
381 std::vector<TestCompletionCallback> callbacks(results->size()); | |
382 | |
383 for (size_t i = 0; i < transactions_.size(); i++) { | |
384 bufs.push_back(new IOBuffer(30)); | |
385 | |
386 rv = writers_->Read(bufs[i].get(), 30, callbacks[i].callback(), | |
387 transactions_[i].get()); | |
388 EXPECT_EQ(ERR_IO_PENDING, rv); // Since the default is asynchronous. | |
389 } | |
390 | |
391 for (auto& callback : callbacks) { | |
392 rv = callback.WaitForResult(); | |
393 EXPECT_EQ(error, rv); | |
394 } | |
395 | |
396 return error; | |
397 } | |
398 | |
399 bool StopCaching() { | |
400 MockHttpCacheTransaction* transaction = transactions_.begin()->get(); | |
401 EXPECT_TRUE(transaction); | |
402 return writers_->StopCaching(transaction); | |
403 } | |
404 | |
405 void RemoveFirstTransaction() { | |
406 MockHttpCacheTransaction* transaction = transactions_.begin()->get(); | |
407 EXPECT_TRUE(transaction); | |
408 writers_->RemoveTransaction(transaction); | |
409 } | |
410 | |
411 void UpdateAndVerifyPriority(RequestPriority priority) { | |
412 writers_->UpdatePriority(); | |
413 EXPECT_EQ(priority, writers_->priority_); | |
414 } | |
415 | |
416 MockHttpCache cache_; | |
417 std::unique_ptr<HttpCache::Writers> writers_; | |
418 disk_cache::Entry* disk_entry_; | |
419 | |
420 // Should be before transactions_ since it is accessed in the network | |
421 // transaction's destructor. | |
422 MockHttpRequest request_; | |
423 | |
424 static const int kDefaultBufferSize = 256; | |
425 | |
426 std::vector<std::unique_ptr<MockHttpCacheTransaction>> transactions_; | |
427 }; | |
428 | |
429 // Tests successful addition of a transaction. | |
430 TEST_F(WritersTest, AddTransaction) { | |
431 CreateWritersAddTransaction(); | |
432 EXPECT_FALSE(writers_->IsEmpty()); | |
433 } | |
434 | |
435 // Tests successful addition of multiple transactions. | |
436 TEST_F(WritersTest, AddManyTransactions) { | |
437 CreateWritersAddTransaction(); | |
438 EXPECT_FALSE(writers_->IsEmpty()); | |
439 | |
440 for (int i = 0; i < 5; i++) | |
441 AddTransactionToExistingWriters(); | |
442 | |
443 EXPECT_EQ(6, writers_->CountTransactionsForTesting()); | |
444 } | |
445 | |
446 // Tests that CanAddWriters should return false if it is writing exclusively. | |
447 TEST_F(WritersTest, AddTransactionsExclusive) { | |
448 CreateWritersAddTransaction(true /* is_exclusive */); | |
449 EXPECT_FALSE(writers_->IsEmpty()); | |
450 | |
451 EXPECT_FALSE(writers_->CanAddWriters()); | |
452 } | |
453 | |
454 // Tests StopCaching should not stop caching if there are multiple writers. | |
455 TEST_F(WritersTest, StopCachingMultipleWriters) { | |
456 CreateWritersAddTransaction(); | |
457 EXPECT_FALSE(writers_->IsEmpty()); | |
458 | |
459 EXPECT_TRUE(writers_->CanAddWriters()); | |
460 AddTransactionToExistingWriters(); | |
461 | |
462 EXPECT_FALSE(StopCaching()); | |
463 EXPECT_TRUE(writers_->CanAddWriters()); | |
464 } | |
465 | |
466 // Tests StopCaching should stop caching if there is a single writer. | |
467 TEST_F(WritersTest, StopCaching) { | |
468 CreateWritersAddTransaction(); | |
469 EXPECT_FALSE(writers_->IsEmpty()); | |
470 | |
471 EXPECT_TRUE(StopCaching()); | |
472 EXPECT_FALSE(writers_->CanAddWriters()); | |
473 } | |
474 | |
475 // Tests removing of an idle transaction and change in priority. | |
476 TEST_F(WritersTest, RemoveIdleTransaction) { | |
477 CreateWritersAddTransactionPriority(HIGHEST); | |
478 UpdateAndVerifyPriority(HIGHEST); | |
479 | |
480 AddTransactionToExistingWriters(); | |
481 UpdateAndVerifyPriority(HIGHEST); | |
482 | |
483 EXPECT_FALSE(writers_->IsEmpty()); | |
484 EXPECT_EQ(2, writers_->CountTransactionsForTesting()); | |
485 | |
486 RemoveFirstTransaction(); | |
487 EXPECT_EQ(1, writers_->CountTransactionsForTesting()); | |
488 | |
489 UpdateAndVerifyPriority(DEFAULT_PRIORITY); | |
490 } | |
491 | |
492 // Tests that Read is successful. | |
493 TEST_F(WritersTest, Read) { | |
494 CreateWritersAddTransaction(); | |
495 EXPECT_FALSE(writers_->IsEmpty()); | |
496 | |
497 std::string content; | |
498 int rv = Read(&content); | |
499 | |
500 EXPECT_THAT(rv, IsOk()); | |
501 std::string expected(kSimpleGET_Transaction.data); | |
502 EXPECT_EQ(expected, content); | |
503 } | |
504 | |
505 // Tests that multiple transactions can read the same data simultaneously. | |
506 TEST_F(WritersTest, ReadMultiple) { | |
507 CreateWritersAddTransaction(); | |
508 EXPECT_FALSE(writers_->IsEmpty()); | |
509 | |
510 EXPECT_TRUE(writers_->CanAddWriters()); | |
511 AddTransactionToExistingWriters(); | |
512 AddTransactionToExistingWriters(); | |
513 | |
514 ReadAll(); | |
515 } | |
516 | |
517 // Tests that multiple transactions can read the same data simultaneously. | |
518 TEST_F(WritersTest, ReadMultipleDifferentBufferSizes) { | |
519 CreateWritersAddTransaction(); | |
520 EXPECT_FALSE(writers_->IsEmpty()); | |
521 | |
522 EXPECT_TRUE(writers_->CanAddWriters()); | |
523 AddTransactionToExistingWriters(); | |
524 | |
525 std::vector<int> buffer_lengths{20, 10}; | |
526 ReadVerifyTwoDifferentBufferLengths(buffer_lengths); | |
527 } | |
528 | |
529 // Same as above but tests the first transaction having smaller buffer size | |
530 // than the next. | |
531 TEST_F(WritersTest, ReadMultipleDifferentBufferSizes1) { | |
532 CreateWritersAddTransaction(); | |
533 EXPECT_FALSE(writers_->IsEmpty()); | |
534 | |
535 EXPECT_TRUE(writers_->CanAddWriters()); | |
536 AddTransactionToExistingWriters(); | |
537 | |
538 std::vector<int> buffer_lengths{10, 20}; | |
539 ReadVerifyTwoDifferentBufferLengths(buffer_lengths); | |
540 } | |
541 | |
542 // Tests that ongoing Read completes even when active transaction is deleted | |
543 // mid-read. Any transactions waiting should be able to get the read buffer. | |
544 TEST_F(WritersTest, ReadMultipleDeleteActiveTransaction) { | |
545 CreateWritersAddTransaction(); | |
546 EXPECT_FALSE(writers_->IsEmpty()); | |
547 | |
548 EXPECT_TRUE(writers_->CanAddWriters()); | |
549 AddTransactionToExistingWriters(); | |
550 AddTransactionToExistingWriters(); | |
551 | |
552 ReadAllDeleteTransaction(DeleteTransactionType::ACTIVE); | |
553 } | |
554 | |
555 // Tests that removing a waiting for read transaction does not impact other | |
556 // transactions. | |
557 TEST_F(WritersTest, ReadMultipleDeleteWaitingTransaction) { | |
558 CreateWritersAddTransaction(); | |
559 EXPECT_FALSE(writers_->IsEmpty()); | |
560 | |
561 EXPECT_TRUE(writers_->CanAddWriters()); | |
562 AddTransactionToExistingWriters(); | |
563 AddTransactionToExistingWriters(); | |
564 AddTransactionToExistingWriters(); | |
565 | |
566 std::vector<std::string> contents(4); | |
567 ReadAllDeleteTransaction(DeleteTransactionType::WAITING); | |
568 } | |
569 | |
570 // Tests that removing an idle transaction does not impact other transactions. | |
571 TEST_F(WritersTest, ReadMultipleDeleteIdleTransaction) { | |
572 CreateWritersAddTransaction(); | |
573 EXPECT_FALSE(writers_->IsEmpty()); | |
574 | |
575 EXPECT_TRUE(writers_->CanAddWriters()); | |
576 AddTransactionToExistingWriters(); | |
577 AddTransactionToExistingWriters(); | |
578 | |
579 std::vector<std::string> contents(3); | |
580 ReadAllDeleteTransaction(DeleteTransactionType::IDLE); | |
581 } | |
582 | |
583 // Tests cache write failure. | |
584 TEST_F(WritersTest, ReadMultipleCacheWriteFailed) { | |
585 CreateWritersAddTransaction(); | |
586 EXPECT_FALSE(writers_->IsEmpty()); | |
587 | |
588 EXPECT_TRUE(writers_->CanAddWriters()); | |
589 AddTransactionToExistingWriters(); | |
590 AddTransactionToExistingWriters(); | |
591 | |
592 std::vector<std::string> contents(3); | |
593 int rv = ReadCacheWriteFailure(&contents); | |
594 | |
595 EXPECT_THAT(rv, IsOk()); | |
596 std::string expected(kSimpleGET_Transaction.data); | |
597 | |
598 // Only active_transaction_ should succeed. | |
599 EXPECT_EQ(expected, contents.at(0)); | |
600 | |
601 // No new transactions should now be added. | |
602 EXPECT_FALSE(writers_->CanAddWriters()); | |
603 } | |
604 | |
605 // Tests that network read failure fails all transactions: active, waiting and | |
606 // idle. | |
607 TEST_F(WritersTest, ReadMultipleNetworkReadFailed) { | |
608 ScopedMockTransaction transaction(kSimpleGET_Transaction); | |
609 transaction.read_return_code = ERR_INTERNET_DISCONNECTED; | |
610 MockHttpRequest request(transaction); | |
611 request_ = request; | |
612 | |
613 CreateWritersAddTransaction(); | |
614 EXPECT_FALSE(writers_->IsEmpty()); | |
615 | |
616 EXPECT_TRUE(writers_->CanAddWriters()); | |
617 AddTransactionToExistingWriters(); | |
618 AddTransactionToExistingWriters(); | |
619 | |
620 std::vector<std::string> contents(3); | |
621 int rv = ReadNetworkFailure(&contents, ERR_INTERNET_DISCONNECTED); | |
622 | |
623 EXPECT_EQ(ERR_INTERNET_DISCONNECTED, rv); | |
624 } | |
625 | |
626 // Tests moving idle writers to readers. | |
627 TEST_F(WritersTest, MoveIdleWritersToReaders) { | |
628 CreateWritersAddTransaction(); | |
629 EXPECT_FALSE(writers_->IsEmpty()); | |
630 | |
631 EXPECT_TRUE(writers_->CanAddWriters()); | |
632 AddTransactionToExistingWriters(); | |
633 AddTransactionToExistingWriters(); | |
634 | |
635 EXPECT_FALSE(writers_->IsEmpty()); | |
636 writers_->RemoveAllIdleWriters(); | |
637 EXPECT_TRUE(writers_->IsEmpty()); | |
638 } | |
639 | |
640 // Tests GetWriterLoadState. | |
641 TEST_F(WritersTest, GetWriterLoadState) { | |
642 CreateWritersAddTransaction(); | |
643 EXPECT_FALSE(writers_->IsEmpty()); | |
644 | |
645 EXPECT_EQ(LOAD_STATE_IDLE, writers_->GetWriterLoadState()); | |
646 } | |
647 | |
648 // Tests truncating the entry via Writers. | |
649 TEST_F(WritersTest, TruncateEntry) { | |
650 CreateWritersAddTransaction(); | |
651 EXPECT_FALSE(writers_->IsEmpty()); | |
652 | |
653 std::string content; | |
654 int rv = Read(&content); | |
655 | |
656 EXPECT_THAT(rv, IsOk()); | |
657 std::string expected(kSimpleGET_Transaction.data); | |
658 EXPECT_EQ(expected, content); | |
659 | |
660 writers_->TruncateEntry(); | |
661 base::RunLoop().RunUntilIdle(); | |
662 EXPECT_TRUE(writers_->IsTruncatedForTesting()); | |
663 } | |
664 | |
665 } // namespace net | |
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