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| 1 // Copyright 2015 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 "content/browser/service_worker/service_worker_cache_writer.h" | |
| 6 | |
| 7 #include <list> | |
| 8 #include <queue> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/stl_util.h" | |
| 12 #include "content/browser/service_worker/service_worker_disk_cache.h" | |
| 13 #include "testing/gtest/include/gtest/gtest.h" | |
| 14 | |
| 15 namespace content { | |
| 16 namespace { | |
| 17 | |
| 18 // A test implementation of ServiceWorkerResponseReader. | |
| 19 // | |
| 20 // This class exposes the ability to expect reads (see ExpectRead*() below). | |
| 21 // Each call to ReadInfo() or ReadData() consumes another expected read, in the | |
| 22 // order those reads were expected, so: | |
| 23 // reader->ExpectReadInfoOk(5, false); | |
| 24 // reader->ExpectReadDataOk("abcdef", false); | |
| 25 // reader->ExpectReadDataOk("ghijkl", false); | |
| 26 // Expects these calls, in this order: | |
| 27 // reader->ReadInfo(...); // reader writes 5 into | |
| 28 // // |info_buf->response_data_size| | |
| 29 // reader->ReadData(...); // reader writes "abcdef" into |buf| | |
| 30 // reader->ReadData(...); // reader writes "ghijkl" into |buf| | |
| 31 // If an unexpected call happens, this class DCHECKs. | |
| 32 // If an expected read is marked "async", it will not complete immediately, but | |
| 33 // must be completed by the test using CompletePendingRead(). | |
| 34 // These is a convenience method AllExpectedReadsDone() which returns whether | |
| 35 // there are any expected reads that have not yet happened. | |
| 36 class MockServiceWorkerResponseReader : public ServiceWorkerResponseReader { | |
| 37 public: | |
| 38 MockServiceWorkerResponseReader() : ServiceWorkerResponseReader(0, nullptr) {} | |
| 39 ~MockServiceWorkerResponseReader() override {} | |
| 40 | |
| 41 // ServiceWorkerResponseReader overrides | |
| 42 void ReadInfo(HttpResponseInfoIOBuffer* info_buf, | |
| 43 const net::CompletionCallback& callback) override; | |
| 44 void ReadData(net::IOBuffer* buf, | |
| 45 int buf_len, | |
| 46 const net::CompletionCallback& callback) override; | |
| 47 | |
| 48 // Test helpers. ExpectReadInfo() and ExpectReadData() give precise control | |
| 49 // over both the data to be written and the result to return. | |
| 50 // ExpectReadInfoOk() and ExpectReadDataOk() are convenience functions for | |
| 51 // expecting successful reads, which always have their length as their result. | |
| 52 | |
| 53 // Expect a call to ReadInfo() on this reader. For these functions, |len| will | |
| 54 // be used as |response_data_size|, not as the length of this particular read. | |
| 55 void ExpectReadInfo(size_t len, bool async, int result); | |
| 56 void ExpectReadInfoOk(size_t len, bool async); | |
| 57 | |
| 58 // Expect a call to ReadData() on this reader. For these functions, |len| is | |
| 59 // the length of the data to be written back; in ExpectReadDataOk(), |len| is | |
| 60 // implicitly the length of |data|. | |
| 61 void ExpectReadData(const char* data, size_t len, bool async, int result); | |
| 62 void ExpectReadDataOk(const std::string& data, bool async); | |
| 63 | |
| 64 // Complete a pending async read. It is an error to call this function without | |
| 65 // a pending async read (ie, a previous call to ReadInfo() or ReadData() | |
| 66 // having not run its callback yet). | |
| 67 void CompletePendingRead(); | |
| 68 | |
| 69 // Returns whether all expected reads have occurred. | |
| 70 bool AllExpectedReadsDone() { return expected_reads_.size() == 0; } | |
| 71 | |
| 72 private: | |
| 73 struct ExpectedRead { | |
| 74 ExpectedRead(size_t len, bool async, int result) | |
| 75 : data(nullptr), len(len), info(true), async(async), result(result) {} | |
| 76 ExpectedRead(const char* data, size_t len, bool async, int result) | |
| 77 : data(data), len(len), info(false), async(async), result(result) {} | |
| 78 const char* data; | |
| 79 size_t len; | |
| 80 bool info; | |
| 81 bool async; | |
| 82 int result; | |
| 83 }; | |
| 84 | |
| 85 std::queue<ExpectedRead> expected_reads_; | |
| 86 scoped_refptr<net::IOBuffer> pending_buffer_; | |
| 87 size_t pending_buffer_len_; | |
| 88 scoped_refptr<HttpResponseInfoIOBuffer> pending_info_; | |
| 89 net::CompletionCallback pending_callback_; | |
| 90 }; | |
| 91 | |
| 92 void MockServiceWorkerResponseReader::ReadInfo( | |
| 93 HttpResponseInfoIOBuffer* info_buf, | |
| 94 const net::CompletionCallback& callback) { | |
| 95 DCHECK(!expected_reads_.empty()); | |
| 96 ExpectedRead expected = expected_reads_.front(); | |
| 97 EXPECT_TRUE(expected.info); | |
| 98 if (expected.async) { | |
| 99 pending_info_ = info_buf; | |
| 100 pending_callback_ = callback; | |
| 101 } else { | |
| 102 expected_reads_.pop(); | |
| 103 info_buf->response_data_size = expected.len; | |
| 104 callback.Run(expected.result); | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 void MockServiceWorkerResponseReader::ReadData( | |
| 109 net::IOBuffer* buf, | |
| 110 int buf_len, | |
| 111 const net::CompletionCallback& callback) { | |
| 112 DCHECK(!expected_reads_.empty()); | |
| 113 ExpectedRead expected = expected_reads_.front(); | |
| 114 EXPECT_FALSE(expected.info); | |
| 115 if (expected.async) { | |
| 116 pending_callback_ = callback; | |
| 117 pending_buffer_ = buf; | |
| 118 pending_buffer_len_ = static_cast<size_t>(buf_len); | |
| 119 } else { | |
| 120 expected_reads_.pop(); | |
| 121 if (expected.len > 0) { | |
| 122 size_t to_read = std::min(static_cast<size_t>(buf_len), expected.len); | |
| 123 memcpy(buf->data(), expected.data, to_read); | |
| 124 } | |
| 125 callback.Run(expected.result); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 void MockServiceWorkerResponseReader::ExpectReadInfo(size_t len, | |
| 130 bool async, | |
| 131 int result) { | |
| 132 expected_reads_.push(ExpectedRead(len, async, result)); | |
| 133 } | |
| 134 | |
| 135 void MockServiceWorkerResponseReader::ExpectReadInfoOk(size_t len, bool async) { | |
| 136 expected_reads_.push(ExpectedRead(len, async, len)); | |
| 137 } | |
| 138 | |
| 139 void MockServiceWorkerResponseReader::ExpectReadData(const char* data, | |
| 140 size_t len, | |
| 141 bool async, | |
| 142 int result) { | |
| 143 expected_reads_.push(ExpectedRead(data, len, async, result)); | |
| 144 } | |
| 145 | |
| 146 void MockServiceWorkerResponseReader::ExpectReadDataOk(const std::string& data, | |
| 147 bool async) { | |
| 148 expected_reads_.push( | |
| 149 ExpectedRead(data.data(), data.size(), async, data.size())); | |
| 150 } | |
| 151 | |
| 152 void MockServiceWorkerResponseReader::CompletePendingRead() { | |
| 153 DCHECK(!expected_reads_.empty()); | |
| 154 ExpectedRead expected = expected_reads_.front(); | |
| 155 expected_reads_.pop(); | |
| 156 EXPECT_TRUE(expected.async); | |
| 157 if (expected.info) { | |
| 158 pending_info_->response_data_size = expected.len; | |
| 159 } else { | |
| 160 size_t to_read = std::min(pending_buffer_len_, expected.len); | |
| 161 if (to_read > 0) | |
| 162 memcpy(pending_buffer_->data(), expected.data, to_read); | |
| 163 } | |
| 164 pending_info_ = nullptr; | |
| 165 pending_buffer_ = nullptr; | |
| 166 net::CompletionCallback callback = pending_callback_; | |
| 167 pending_callback_.Reset(); | |
| 168 callback.Run(expected.result); | |
| 169 } | |
| 170 | |
| 171 // A test implementation of ServiceWorkerResponseWriter. | |
| 172 // | |
| 173 // This class exposes the ability to expect writes (see ExpectWrite*Ok() below). | |
| 174 // Each write to this class via WriteInfo() or WriteData() consumes another | |
| 175 // expected write, in the order they were added, so: | |
| 176 // writer->ExpectWriteInfoOk(5, false); | |
| 177 // writer->ExpectWriteDataOk(6, false); | |
| 178 // writer->ExpectWriteDataOk(6, false); | |
| 179 // Expects these calls, in this order: | |
| 180 // writer->WriteInfo(...); // checks that |buf->response_data_size| == 5 | |
| 181 // writer->WriteData(...); // checks that 6 bytes are being written | |
| 182 // writer->WriteData(...); // checks that another 6 bytes are being written | |
| 183 // If this class receives an unexpected call to WriteInfo() or WriteData(), it | |
| 184 // DCHECKs. | |
| 185 // Expected writes marked async do not complete synchronously, but rather return | |
| 186 // without running their callback and need to be completed with | |
| 187 // CompletePendingWrite(). | |
| 188 // A convenience method AllExpectedWritesDone() is exposed so tests can ensure | |
| 189 // that all expected writes have been consumed by matching calls to WriteInfo() | |
| 190 // or WriteData(). | |
| 191 class MockServiceWorkerResponseWriter : public ServiceWorkerResponseWriter { | |
| 192 public: | |
| 193 MockServiceWorkerResponseWriter() | |
| 194 : ServiceWorkerResponseWriter(0, nullptr), | |
| 195 info_written_(0), | |
| 196 data_written_(0) {} | |
| 197 ~MockServiceWorkerResponseWriter() override {} | |
| 198 | |
| 199 // ServiceWorkerResponseWriter overrides | |
| 200 void WriteInfo(HttpResponseInfoIOBuffer* info_buf, | |
| 201 const net::CompletionCallback& callback) override; | |
| 202 void WriteData(net::IOBuffer* buf, | |
| 203 int buf_len, | |
| 204 const net::CompletionCallback& callback) override; | |
| 205 | |
| 206 // Enqueue expected writes. | |
| 207 void ExpectWriteInfoOk(size_t len, bool async); | |
| 208 void ExpectWriteDataOk(size_t len, bool async); | |
| 209 | |
| 210 // Complete a pending asynchronous write. This method DCHECKs unless there is | |
| 211 // a pending write (a write for which WriteInfo() or WriteData() has been | |
| 212 // called but the callback has not yet been run). | |
| 213 void CompletePendingWrite(); | |
| 214 | |
| 215 // Returns whether all expected reads have been consumed. | |
| 216 bool AllExpectedWritesDone() { return expected_writes_.size() == 0; } | |
| 217 | |
| 218 private: | |
| 219 struct ExpectedWrite { | |
| 220 ExpectedWrite(bool is_info, size_t length, bool async, int result) | |
| 221 : is_info(is_info), length(length), async(async), result(result) {} | |
| 222 bool is_info; | |
| 223 size_t length; | |
| 224 bool async; | |
| 225 int result; | |
| 226 }; | |
| 227 | |
| 228 std::queue<ExpectedWrite> expected_writes_; | |
| 229 | |
| 230 size_t info_written_; | |
| 231 size_t data_written_; | |
| 232 | |
| 233 net::CompletionCallback pending_callback_; | |
| 234 }; | |
| 235 | |
| 236 void MockServiceWorkerResponseWriter::WriteInfo( | |
| 237 HttpResponseInfoIOBuffer* info_buf, | |
| 238 const net::CompletionCallback& callback) { | |
| 239 DCHECK(!expected_writes_.empty()); | |
| 240 ExpectedWrite write = expected_writes_.front(); | |
| 241 EXPECT_TRUE(write.is_info); | |
| 242 EXPECT_EQ(write.length, static_cast<size_t>(info_buf->response_data_size)); | |
| 243 info_written_ += info_buf->response_data_size; | |
| 244 if (!write.async) { | |
| 245 expected_writes_.pop(); | |
| 246 callback.Run(write.result); | |
| 247 } else { | |
| 248 pending_callback_ = callback; | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 void MockServiceWorkerResponseWriter::WriteData( | |
| 253 net::IOBuffer* buf, | |
| 254 int buf_len, | |
| 255 const net::CompletionCallback& callback) { | |
| 256 DCHECK(!expected_writes_.empty()); | |
| 257 ExpectedWrite write = expected_writes_.front(); | |
| 258 EXPECT_FALSE(write.is_info); | |
| 259 EXPECT_EQ(write.length, static_cast<size_t>(buf_len)); | |
| 260 data_written_ += buf_len; | |
| 261 if (!write.async) { | |
| 262 expected_writes_.pop(); | |
| 263 callback.Run(write.result); | |
| 264 } else { | |
| 265 pending_callback_ = callback; | |
| 266 } | |
| 267 } | |
| 268 | |
| 269 void MockServiceWorkerResponseWriter::ExpectWriteInfoOk(size_t length, | |
| 270 bool async) { | |
| 271 ExpectedWrite expected(true, length, async, length); | |
| 272 expected_writes_.push(expected); | |
| 273 } | |
| 274 | |
| 275 void MockServiceWorkerResponseWriter::ExpectWriteDataOk(size_t length, | |
| 276 bool async) { | |
| 277 ExpectedWrite expected(false, length, async, length); | |
| 278 expected_writes_.push(expected); | |
| 279 } | |
| 280 | |
| 281 void MockServiceWorkerResponseWriter::CompletePendingWrite() { | |
| 282 DCHECK(!expected_writes_.empty()); | |
| 283 ExpectedWrite write = expected_writes_.front(); | |
| 284 DCHECK(write.async); | |
| 285 expected_writes_.pop(); | |
| 286 pending_callback_.Run(write.result); | |
| 287 } | |
| 288 | |
| 289 class ServiceWorkerCacheWriterTest : public ::testing::Test { | |
| 290 public: | |
| 291 ServiceWorkerCacheWriterTest() | |
| 292 : readers_deleter_(&readers_), writers_deleter_(&writers_) {} | |
| 293 | |
| 294 void SetUp() override { | |
| 295 ::testing::Test::SetUp(); | |
| 296 cache_writer_.reset(new ServiceWorkerCacheWriter( | |
| 297 base::Bind(&ServiceWorkerCacheWriterTest::CreateReader, | |
| 298 base::Unretained(this)), | |
| 299 base::Bind(&ServiceWorkerCacheWriterTest::CreateWriter, | |
| 300 base::Unretained(this)))); | |
| 301 write_complete_ = false; | |
| 302 } | |
| 303 | |
| 304 MockServiceWorkerResponseReader* ExpectReader() { | |
| 305 scoped_ptr<MockServiceWorkerResponseReader> reader( | |
| 306 new MockServiceWorkerResponseReader); | |
| 307 MockServiceWorkerResponseReader* borrowed_reader = reader.get(); | |
| 308 readers_.push_back(reader.release()); // give ownership to |readers_| | |
| 309 return borrowed_reader; | |
| 310 } | |
| 311 | |
| 312 MockServiceWorkerResponseWriter* ExpectWriter() { | |
| 313 scoped_ptr<MockServiceWorkerResponseWriter> writer( | |
| 314 new MockServiceWorkerResponseWriter); | |
| 315 MockServiceWorkerResponseWriter* borrowed_writer = writer.get(); | |
| 316 writers_.push_back(writer.release()); // give ownership to |writers_| | |
| 317 return borrowed_writer; | |
| 318 } | |
| 319 | |
| 320 protected: | |
| 321 // TODO(ellyjones): when unique_ptr<> is allowed, make these instead: | |
| 322 // std::list<unique_ptr<...>> | |
| 323 // Right now, these cannot use scoped_ptr. | |
| 324 // Their elements are deleted by the STLElementDeleters below when this object | |
| 325 // goes out of scope. | |
| 326 std::list<MockServiceWorkerResponseReader*> readers_; | |
| 327 std::list<MockServiceWorkerResponseWriter*> writers_; | |
| 328 STLElementDeleter<std::list<MockServiceWorkerResponseReader*>> | |
| 329 readers_deleter_; | |
| 330 STLElementDeleter<std::list<MockServiceWorkerResponseWriter*>> | |
| 331 writers_deleter_; | |
| 332 scoped_ptr<ServiceWorkerCacheWriter> cache_writer_; | |
| 333 bool write_complete_; | |
| 334 net::Error last_error_; | |
| 335 | |
| 336 scoped_ptr<ServiceWorkerResponseReader> CreateReader() { | |
| 337 if (readers_.empty()) | |
| 338 return make_scoped_ptr<ServiceWorkerResponseReader>(nullptr); | |
| 339 scoped_ptr<ServiceWorkerResponseReader> reader(readers_.front()); | |
| 340 readers_.pop_front(); | |
| 341 return reader.Pass(); | |
| 342 } | |
| 343 scoped_ptr<ServiceWorkerResponseWriter> CreateWriter() { | |
| 344 if (writers_.empty()) | |
| 345 return make_scoped_ptr<ServiceWorkerResponseWriter>(nullptr); | |
| 346 scoped_ptr<ServiceWorkerResponseWriter> writer(writers_.front()); | |
| 347 writers_.pop_front(); | |
| 348 return writer.Pass(); | |
| 349 } | |
| 350 | |
| 351 ServiceWorkerCacheWriter::OnWriteCompleteCallback CreateWriteCallback() { | |
| 352 return base::Bind(&ServiceWorkerCacheWriterTest::OnWriteComplete, | |
| 353 base::Unretained(this)); | |
| 354 } | |
| 355 | |
| 356 void OnWriteComplete(net::Error error) { | |
| 357 write_complete_ = true; | |
| 358 last_error_ = error; | |
| 359 } | |
| 360 | |
| 361 net::Error WriteHeaders(size_t len) { | |
| 362 scoped_refptr<HttpResponseInfoIOBuffer> buf(new HttpResponseInfoIOBuffer); | |
| 363 buf->response_data_size = len; | |
| 364 return cache_writer_->MaybeWriteHeaders(buf.get(), CreateWriteCallback()); | |
| 365 } | |
| 366 | |
| 367 net::Error WriteData(const std::string& data) { | |
| 368 scoped_refptr<net::IOBuffer> buf = new net::StringIOBuffer(data); | |
| 369 return cache_writer_->MaybeWriteData(buf.get(), data.size(), | |
| 370 CreateWriteCallback()); | |
| 371 } | |
| 372 }; | |
| 373 | |
| 374 // Passthrough tests: | |
| 375 // In these tests, the ServiceWorkerCacheWriter under test has no existing | |
| 376 // reader, since no calls to ExpectReader() have been made; this means that | |
| 377 // there is no existing cached response and the incoming data is written back to | |
| 378 // the cache directly. | |
| 379 | |
| 380 TEST_F(ServiceWorkerCacheWriterTest, PassthroughHeadersSync) { | |
| 381 const size_t kHeaderSize = 16; | |
| 382 MockServiceWorkerResponseWriter* writer = ExpectWriter(); | |
| 383 writer->ExpectWriteInfoOk(kHeaderSize, false); | |
| 384 | |
| 385 net::Error error = WriteHeaders(kHeaderSize); | |
| 386 EXPECT_EQ(net::OK, error); | |
| 387 EXPECT_FALSE(write_complete_); | |
| 388 EXPECT_TRUE(writer->AllExpectedWritesDone()); | |
| 389 EXPECT_EQ(0U, cache_writer_->bytes_written()); | |
| 390 } | |
| 391 | |
| 392 TEST_F(ServiceWorkerCacheWriterTest, PassthroughHeadersAsync) { | |
| 393 size_t kHeaderSize = 16; | |
| 394 MockServiceWorkerResponseWriter* writer = ExpectWriter(); | |
| 395 writer->ExpectWriteInfoOk(kHeaderSize, true); | |
| 396 | |
| 397 net::Error error = WriteHeaders(kHeaderSize); | |
| 398 EXPECT_EQ(net::ERR_IO_PENDING, error); | |
| 399 EXPECT_FALSE(write_complete_); | |
| 400 writer->CompletePendingWrite(); | |
| 401 EXPECT_TRUE(write_complete_); | |
| 402 EXPECT_TRUE(writer->AllExpectedWritesDone()); | |
| 403 EXPECT_EQ(0U, cache_writer_->bytes_written()); | |
| 404 } | |
| 405 | |
| 406 TEST_F(ServiceWorkerCacheWriterTest, PassthroughDataSync) { | |
| 407 const std::string data1 = "abcdef"; | |
| 408 const std::string data2 = "ghijklmno"; | |
| 409 size_t response_size = data1.size() + data2.size(); | |
| 410 | |
| 411 MockServiceWorkerResponseWriter* writer = ExpectWriter(); | |
| 412 writer->ExpectWriteInfoOk(response_size, false); | |
| 413 writer->ExpectWriteDataOk(data1.size(), false); | |
| 414 writer->ExpectWriteDataOk(data2.size(), false); | |
| 415 | |
| 416 net::Error error = WriteHeaders(response_size); | |
| 417 EXPECT_EQ(net::OK, error); | |
| 418 | |
| 419 error = WriteData(data1); | |
| 420 EXPECT_EQ(net::OK, error); | |
| 421 | |
| 422 error = WriteData(data2); | |
| 423 EXPECT_EQ(net::OK, error); | |
| 424 EXPECT_TRUE(writer->AllExpectedWritesDone()); | |
| 425 } | |
| 426 | |
| 427 TEST_F(ServiceWorkerCacheWriterTest, PassthroughDataAsync) { | |
| 428 const std::string data1 = "abcdef"; | |
| 429 const std::string data2 = "ghijklmno"; | |
| 430 size_t response_size = data1.size() + data2.size(); | |
| 431 | |
| 432 MockServiceWorkerResponseWriter* writer = ExpectWriter(); | |
| 433 writer->ExpectWriteInfoOk(response_size, false); | |
| 434 writer->ExpectWriteDataOk(data1.size(), true); | |
| 435 writer->ExpectWriteDataOk(data2.size(), true); | |
| 436 | |
| 437 net::Error error = WriteHeaders(response_size); | |
| 438 EXPECT_EQ(net::OK, error); | |
| 439 | |
| 440 error = WriteData(data1); | |
| 441 EXPECT_EQ(net::ERR_IO_PENDING, error); | |
| 442 writer->CompletePendingWrite(); | |
| 443 EXPECT_TRUE(write_complete_); | |
| 444 | |
| 445 write_complete_ = false; | |
| 446 error = WriteData(data2); | |
| 447 EXPECT_EQ(net::ERR_IO_PENDING, error); | |
| 448 writer->CompletePendingWrite(); | |
| 449 EXPECT_TRUE(write_complete_); | |
| 450 EXPECT_TRUE(writer->AllExpectedWritesDone()); | |
| 451 } | |
| 452 | |
| 453 // Comparison tests: | |
| 454 // For the Compare* tests below, the ServiceWorkerCacheWriter under test has a | |
| 455 // reader for an existing cached response, so it will compare the response being | |
| 456 // written to it against the existing cached response. | |
| 457 | |
| 458 TEST_F(ServiceWorkerCacheWriterTest, CompareHeadersSync) { | |
| 459 size_t response_size = 3; | |
| 460 MockServiceWorkerResponseWriter* writer = ExpectWriter(); | |
| 461 MockServiceWorkerResponseReader* reader = ExpectReader(); | |
| 462 | |
| 463 reader->ExpectReadInfoOk(response_size, false); | |
| 464 | |
| 465 net::Error error = WriteHeaders(response_size); | |
| 466 EXPECT_EQ(net::OK, error); | |
| 467 EXPECT_TRUE(writer->AllExpectedWritesDone()); | |
| 468 EXPECT_TRUE(reader->AllExpectedReadsDone()); | |
| 469 } | |
| 470 | |
| 471 TEST_F(ServiceWorkerCacheWriterTest, CompareDataOkSync) { | |
| 472 const std::string data1 = "abcdef"; | |
| 473 size_t response_size = data1.size(); | |
| 474 | |
| 475 MockServiceWorkerResponseWriter* writer = ExpectWriter(); | |
| 476 MockServiceWorkerResponseReader* reader = ExpectReader(); | |
| 477 | |
| 478 reader->ExpectReadInfoOk(response_size, false); | |
| 479 reader->ExpectReadDataOk(data1, false); | |
| 480 | |
| 481 net::Error error = WriteHeaders(response_size); | |
| 482 EXPECT_EQ(net::OK, error); | |
| 483 | |
| 484 error = WriteData(data1); | |
| 485 EXPECT_EQ(net::OK, error); | |
| 486 | |
| 487 EXPECT_TRUE(writer->AllExpectedWritesDone()); | |
| 488 EXPECT_TRUE(reader->AllExpectedReadsDone()); | |
| 489 EXPECT_EQ(0U, cache_writer_->bytes_written()); | |
| 490 } | |
| 491 | |
| 492 TEST_F(ServiceWorkerCacheWriterTest, CompareShortCacheReads) { | |
| 493 const size_t kHeaderSize = 16; | |
| 494 const std::string& data1 = "abcdef"; | |
| 495 const std::string& cache_data2 = "ghi"; | |
| 496 const std::string& cache_data3 = "j"; | |
| 497 const std::string& cache_data4 = "kl"; | |
| 498 const std::string& net_data2 = "ghijkl"; | |
| 499 const std::string& data5 = "mnopqrst"; | |
| 500 | |
| 501 MockServiceWorkerResponseReader* reader = ExpectReader(); | |
| 502 reader->ExpectReadInfo(kHeaderSize, false, kHeaderSize); | |
| 503 reader->ExpectReadDataOk(data1, false); | |
| 504 reader->ExpectReadDataOk(cache_data2, false); | |
| 505 reader->ExpectReadDataOk(cache_data3, false); | |
| 506 reader->ExpectReadDataOk(cache_data4, false); | |
| 507 reader->ExpectReadDataOk(data5, false); | |
| 508 | |
| 509 net::Error error = WriteHeaders(kHeaderSize); | |
| 510 EXPECT_EQ(net::OK, error); | |
| 511 error = WriteData(data1); | |
| 512 EXPECT_EQ(net::OK, error); | |
| 513 error = WriteData(net_data2); | |
| 514 EXPECT_EQ(net::OK, error); | |
| 515 error = WriteData(data5); | |
| 516 EXPECT_EQ(net::OK, error); | |
| 517 EXPECT_TRUE(reader->AllExpectedReadsDone()); | |
| 518 EXPECT_EQ(0U, cache_writer_->bytes_written()); | |
| 519 } | |
| 520 | |
| 521 TEST_F(ServiceWorkerCacheWriterTest, CompareDataOkAsync) { | |
| 522 const std::string data1 = "abcdef"; | |
| 523 size_t response_size = data1.size(); | |
| 524 | |
| 525 MockServiceWorkerResponseReader* reader = ExpectReader(); | |
| 526 | |
| 527 reader->ExpectReadInfoOk(response_size, true); | |
| 528 reader->ExpectReadDataOk(data1, true); | |
| 529 | |
| 530 net::Error error = WriteHeaders(response_size); | |
| 531 EXPECT_EQ(net::ERR_IO_PENDING, error); | |
| 532 reader->CompletePendingRead(); | |
| 533 | |
| 534 error = WriteData(data1); | |
| 535 EXPECT_EQ(net::ERR_IO_PENDING, error); | |
| 536 reader->CompletePendingRead(); | |
| 537 | |
| 538 EXPECT_TRUE(reader->AllExpectedReadsDone()); | |
| 539 EXPECT_EQ(0U, cache_writer_->bytes_written()); | |
| 540 } | |
| 541 | |
| 542 TEST_F(ServiceWorkerCacheWriterTest, CompareDataManyOkAsync) { | |
| 543 const std::string expected_data[] = { | |
| 544 "abcdef", "ghijkl", "mnopqr", "stuvwxyz", | |
| 545 }; | |
| 546 size_t response_size = 0; | |
| 547 for (size_t i = 0; i < arraysize(expected_data); ++i) | |
| 548 response_size += expected_data[i].size(); | |
| 549 | |
| 550 MockServiceWorkerResponseReader* reader = ExpectReader(); | |
| 551 | |
| 552 reader->ExpectReadInfoOk(response_size, true); | |
| 553 for (size_t i = 0; i < arraysize(expected_data); ++i) { | |
| 554 reader->ExpectReadDataOk(expected_data[i], true); | |
| 555 } | |
| 556 | |
| 557 net::Error error = WriteHeaders(response_size); | |
| 558 EXPECT_EQ(net::ERR_IO_PENDING, error); | |
| 559 reader->CompletePendingRead(); | |
| 560 | |
| 561 for (size_t i = 0; i < arraysize(expected_data); ++i) { | |
| 562 error = WriteData(expected_data[i]); | |
| 563 EXPECT_EQ(net::ERR_IO_PENDING, error); | |
| 564 reader->CompletePendingRead(); | |
| 565 EXPECT_EQ(net::OK, last_error_); | |
| 566 } | |
| 567 | |
| 568 EXPECT_TRUE(reader->AllExpectedReadsDone()); | |
| 569 EXPECT_EQ(0U, cache_writer_->bytes_written()); | |
| 570 } | |
| 571 | |
| 572 // This test writes headers and three data blocks data1, data2, data3; data2 | |
| 573 // differs in the cached version. The writer should be asked to rewrite the | |
| 574 // headers and body with the new value, and the copy reader should be asked to | |
| 575 // read the header and data1. | |
| 576 TEST_F(ServiceWorkerCacheWriterTest, CompareFailedCopySync) { | |
| 577 std::string data1 = "abcdef"; | |
| 578 std::string cache_data2 = "ghijkl"; | |
| 579 std::string net_data2 = "mnopqr"; | |
| 580 std::string data3 = "stuvwxyz"; | |
| 581 size_t cache_response_size = data1.size() + cache_data2.size() + data3.size(); | |
| 582 size_t net_response_size = data1.size() + net_data2.size() + data3.size(); | |
| 583 | |
| 584 MockServiceWorkerResponseWriter* writer = ExpectWriter(); | |
| 585 MockServiceWorkerResponseReader* compare_reader = ExpectReader(); | |
| 586 MockServiceWorkerResponseReader* copy_reader = ExpectReader(); | |
| 587 | |
| 588 compare_reader->ExpectReadInfoOk(cache_response_size, false); | |
| 589 compare_reader->ExpectReadDataOk(data1, false); | |
| 590 compare_reader->ExpectReadDataOk(cache_data2, false); | |
| 591 | |
| 592 copy_reader->ExpectReadInfoOk(cache_response_size, false); | |
| 593 copy_reader->ExpectReadDataOk(data1, false); | |
| 594 | |
| 595 writer->ExpectWriteInfoOk(net_response_size, false); | |
| 596 writer->ExpectWriteDataOk(data1.size(), false); | |
| 597 writer->ExpectWriteDataOk(net_data2.size(), false); | |
| 598 writer->ExpectWriteDataOk(data3.size(), false); | |
| 599 | |
| 600 net::Error error = WriteHeaders(net_response_size); | |
| 601 EXPECT_EQ(net::OK, error); | |
| 602 error = WriteData(data1); | |
| 603 EXPECT_EQ(net::OK, error); | |
| 604 error = WriteData(net_data2); | |
| 605 EXPECT_EQ(net::OK, error); | |
| 606 error = WriteData(data3); | |
| 607 EXPECT_EQ(net::OK, error); | |
| 608 | |
| 609 EXPECT_TRUE(writer->AllExpectedWritesDone()); | |
| 610 EXPECT_TRUE(compare_reader->AllExpectedReadsDone()); | |
| 611 EXPECT_TRUE(copy_reader->AllExpectedReadsDone()); | |
| 612 } | |
| 613 | |
| 614 // Tests behavior when the cached data is shorter than the network data. | |
| 615 TEST_F(ServiceWorkerCacheWriterTest, CompareFailedCopyShort) { | |
| 616 std::string data1 = "abcdef"; | |
| 617 std::string cache_data2 = "mnop"; | |
| 618 std::string net_data2 = "mnopqr"; | |
| 619 std::string data3 = "stuvwxyz"; | |
| 620 size_t cache_response_size = data1.size() + cache_data2.size() + data3.size(); | |
| 621 size_t net_response_size = data1.size() + net_data2.size() + data3.size(); | |
| 622 | |
| 623 MockServiceWorkerResponseWriter* writer = ExpectWriter(); | |
| 624 MockServiceWorkerResponseReader* compare_reader = ExpectReader(); | |
| 625 MockServiceWorkerResponseReader* copy_reader = ExpectReader(); | |
| 626 | |
| 627 compare_reader->ExpectReadInfoOk(cache_response_size, false); | |
| 628 compare_reader->ExpectReadDataOk(data1, false); | |
| 629 compare_reader->ExpectReadDataOk(cache_data2, false); | |
| 630 compare_reader->ExpectReadDataOk("", false); // EOF read | |
| 631 | |
| 632 copy_reader->ExpectReadInfoOk(cache_response_size, false); | |
| 633 copy_reader->ExpectReadDataOk(data1, false); | |
| 634 | |
| 635 writer->ExpectWriteInfoOk(net_response_size, false); | |
| 636 writer->ExpectWriteDataOk(data1.size(), false); | |
| 637 writer->ExpectWriteDataOk(net_data2.size(), false); | |
| 638 writer->ExpectWriteDataOk(data3.size(), false); | |
| 639 | |
| 640 net::Error error = WriteHeaders(net_response_size); | |
| 641 EXPECT_EQ(net::OK, error); | |
| 642 error = WriteData(data1); | |
| 643 EXPECT_EQ(net::OK, error); | |
| 644 error = WriteData(net_data2); | |
| 645 EXPECT_EQ(net::OK, error); | |
| 646 error = WriteData(data3); | |
| 647 EXPECT_EQ(net::OK, error); | |
| 648 | |
| 649 EXPECT_TRUE(writer->AllExpectedWritesDone()); | |
| 650 EXPECT_TRUE(compare_reader->AllExpectedReadsDone()); | |
| 651 EXPECT_TRUE(copy_reader->AllExpectedReadsDone()); | |
| 652 } | |
| 653 | |
| 654 // Tests behavior when the cached data is longer than the network data. | |
| 655 TEST_F(ServiceWorkerCacheWriterTest, CompareFailedCopyLong) { | |
| 656 std::string data1 = "abcdef"; | |
| 657 std::string cache_data2 = "mnop"; | |
| 658 std::string net_data2 = "mnop"; | |
| 659 std::string cache_data3 = "qr"; | |
| 660 size_t cached_size = data1.size() + cache_data2.size() + cache_data3.size(); | |
| 661 size_t net_size = data1.size() + net_data2.size(); | |
| 662 | |
| 663 MockServiceWorkerResponseWriter* writer = ExpectWriter(); | |
| 664 MockServiceWorkerResponseReader* compare_reader = ExpectReader(); | |
| 665 MockServiceWorkerResponseReader* copy_reader = ExpectReader(); | |
| 666 | |
| 667 compare_reader->ExpectReadInfoOk(cached_size, false); | |
| 668 compare_reader->ExpectReadDataOk(data1, false); | |
| 669 compare_reader->ExpectReadDataOk(cache_data2, false); | |
| 670 | |
| 671 // The comparison should fail at the end of |cache_data2|, when the cache | |
| 672 // writer realizes the two responses are different sizes, and then the network | |
| 673 // data should be written back starting with |net_data2|. | |
| 674 copy_reader->ExpectReadInfoOk(cached_size, false); | |
| 675 copy_reader->ExpectReadDataOk(data1, false); | |
| 676 copy_reader->ExpectReadDataOk(net_data2, false); | |
| 677 | |
| 678 writer->ExpectWriteInfoOk(net_size, false); | |
| 679 writer->ExpectWriteDataOk(data1.size(), false); | |
| 680 writer->ExpectWriteDataOk(net_data2.size(), false); | |
| 681 | |
| 682 net::Error error = WriteHeaders(net_size); | |
| 683 EXPECT_EQ(net::OK, error); | |
| 684 error = WriteData(data1); | |
| 685 EXPECT_EQ(net::OK, error); | |
| 686 error = WriteData(net_data2); | |
| 687 EXPECT_EQ(net::OK, error); | |
| 688 error = WriteData(""); | |
| 689 EXPECT_EQ(net::OK, error); | |
| 690 | |
| 691 EXPECT_TRUE(writer->AllExpectedWritesDone()); | |
| 692 EXPECT_TRUE(compare_reader->AllExpectedReadsDone()); | |
| 693 EXPECT_TRUE(copy_reader->AllExpectedReadsDone()); | |
| 694 } | |
| 695 | |
| 696 } // namespace | |
| 697 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1351423002:
Revert of ServiceWorkerWriteToCacheJob: refactor (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master