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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 "storage/browser/blob/blob_reader.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "base/bind_helpers.h" |
| 9 #include "base/callback.h" |
| 10 #include "base/files/file_path.h" |
| 11 #include "base/location.h" |
| 12 #include "base/memory/scoped_ptr.h" |
| 13 #include "base/message_loop/message_loop.h" |
| 14 #include "base/run_loop.h" |
| 15 #include "base/strings/stringprintf.h" |
| 16 #include "base/task_runner.h" |
| 17 #include "base/time/time.h" |
| 18 #include "content/public/test/async_file_test_helper.h" |
| 19 #include "content/public/test/test_file_system_context.h" |
| 20 #include "net/base/completion_callback.h" |
| 21 #include "net/base/io_buffer.h" |
| 22 #include "net/base/net_errors.h" |
| 23 #include "net/base/test_completion_callback.h" |
| 24 #include "net/disk_cache/disk_cache.h" |
| 25 #include "storage/browser/blob/blob_data_builder.h" |
| 26 #include "storage/browser/blob/blob_data_handle.h" |
| 27 #include "storage/browser/blob/blob_storage_context.h" |
| 28 #include "storage/browser/fileapi/file_stream_reader.h" |
| 29 #include "storage/browser/fileapi/file_system_context.h" |
| 30 #include "storage/browser/fileapi/file_system_file_util.h" |
| 31 #include "testing/gmock/include/gmock/gmock.h" |
| 32 #include "testing/gtest/include/gtest/gtest.h" |
| 33 #include "url/gurl.h" |
| 34 |
| 35 using base::FilePath; |
| 36 using content::AsyncFileTestHelper; |
| 37 using net::DrainableIOBuffer; |
| 38 using net::IOBuffer; |
| 39 |
| 40 namespace storage { |
| 41 namespace { |
| 42 |
| 43 const int kTestDiskCacheStreamIndex = 0; |
| 44 |
| 45 // Our disk cache tests don't need a real data handle since the tests themselves |
| 46 // scope the disk cache and entries. |
| 47 class EmptyDataHandle : public storage::BlobDataBuilder::DataHandle { |
| 48 private: |
| 49 ~EmptyDataHandle() override {} |
| 50 }; |
| 51 |
| 52 // A disk_cache::Entry that arbitrarily delays the completion of a read |
| 53 // operation to allow testing some races without flake. This is particularly |
| 54 // relevant in this unit test, which uses the always-synchronous MEMORY_CACHE. |
| 55 class DelayedReadEntry : public disk_cache::Entry { |
| 56 public: |
| 57 explicit DelayedReadEntry(disk_cache::ScopedEntryPtr entry) |
| 58 : entry_(entry.Pass()) {} |
| 59 ~DelayedReadEntry() override { EXPECT_FALSE(HasPendingReadCallbacks()); } |
| 60 |
| 61 bool HasPendingReadCallbacks() { return !pending_read_callbacks_.empty(); } |
| 62 |
| 63 void RunPendingReadCallbacks() { |
| 64 std::vector<base::Callback<void(void)>> callbacks; |
| 65 pending_read_callbacks_.swap(callbacks); |
| 66 for (const auto& callback : callbacks) |
| 67 callback.Run(); |
| 68 } |
| 69 |
| 70 // From disk_cache::Entry: |
| 71 void Doom() override { entry_->Doom(); } |
| 72 |
| 73 void Close() override { delete this; } // Note this is required by the API. |
| 74 |
| 75 std::string GetKey() const override { return entry_->GetKey(); } |
| 76 |
| 77 base::Time GetLastUsed() const override { return entry_->GetLastUsed(); } |
| 78 |
| 79 base::Time GetLastModified() const override { |
| 80 return entry_->GetLastModified(); |
| 81 } |
| 82 |
| 83 int32 GetDataSize(int index) const override { |
| 84 return entry_->GetDataSize(index); |
| 85 } |
| 86 |
| 87 int ReadData(int index, |
| 88 int offset, |
| 89 IOBuffer* buf, |
| 90 int buf_len, |
| 91 const CompletionCallback& original_callback) override { |
| 92 net::TestCompletionCallback callback; |
| 93 int rv = entry_->ReadData(index, offset, buf, buf_len, callback.callback()); |
| 94 DCHECK_NE(rv, net::ERR_IO_PENDING) |
| 95 << "Test expects to use a MEMORY_CACHE instance, which is synchronous."; |
| 96 pending_read_callbacks_.push_back(base::Bind(original_callback, rv)); |
| 97 return net::ERR_IO_PENDING; |
| 98 } |
| 99 |
| 100 int WriteData(int index, |
| 101 int offset, |
| 102 IOBuffer* buf, |
| 103 int buf_len, |
| 104 const CompletionCallback& callback, |
| 105 bool truncate) override { |
| 106 return entry_->WriteData(index, offset, buf, buf_len, callback, truncate); |
| 107 } |
| 108 |
| 109 int ReadSparseData(int64 offset, |
| 110 IOBuffer* buf, |
| 111 int buf_len, |
| 112 const CompletionCallback& callback) override { |
| 113 return entry_->ReadSparseData(offset, buf, buf_len, callback); |
| 114 } |
| 115 |
| 116 int WriteSparseData(int64 offset, |
| 117 IOBuffer* buf, |
| 118 int buf_len, |
| 119 const CompletionCallback& callback) override { |
| 120 return entry_->WriteSparseData(offset, buf, buf_len, callback); |
| 121 } |
| 122 |
| 123 int GetAvailableRange(int64 offset, |
| 124 int len, |
| 125 int64* start, |
| 126 const CompletionCallback& callback) override { |
| 127 return entry_->GetAvailableRange(offset, len, start, callback); |
| 128 } |
| 129 |
| 130 bool CouldBeSparse() const override { return entry_->CouldBeSparse(); } |
| 131 |
| 132 void CancelSparseIO() override { entry_->CancelSparseIO(); } |
| 133 |
| 134 int ReadyForSparseIO(const CompletionCallback& callback) override { |
| 135 return entry_->ReadyForSparseIO(callback); |
| 136 } |
| 137 |
| 138 private: |
| 139 disk_cache::ScopedEntryPtr entry_; |
| 140 std::vector<base::Callback<void(void)>> pending_read_callbacks_; |
| 141 }; |
| 142 |
| 143 scoped_ptr<disk_cache::Backend> CreateInMemoryDiskCache( |
| 144 const scoped_refptr<base::SingleThreadTaskRunner>& thread) { |
| 145 scoped_ptr<disk_cache::Backend> cache; |
| 146 net::TestCompletionCallback callback; |
| 147 int rv = disk_cache::CreateCacheBackend( |
| 148 net::MEMORY_CACHE, net::CACHE_BACKEND_DEFAULT, FilePath(), 0, false, |
| 149 thread, nullptr, &cache, callback.callback()); |
| 150 EXPECT_EQ(net::OK, callback.GetResult(rv)); |
| 151 |
| 152 return cache.Pass(); |
| 153 } |
| 154 |
| 155 disk_cache::ScopedEntryPtr CreateDiskCacheEntry(disk_cache::Backend* cache, |
| 156 const char* key, |
| 157 const std::string& data) { |
| 158 disk_cache::Entry* temp_entry = nullptr; |
| 159 net::TestCompletionCallback callback; |
| 160 int rv = cache->CreateEntry(key, &temp_entry, callback.callback()); |
| 161 if (callback.GetResult(rv) != net::OK) |
| 162 return nullptr; |
| 163 disk_cache::ScopedEntryPtr entry(temp_entry); |
| 164 |
| 165 scoped_refptr<net::StringIOBuffer> iobuffer = new net::StringIOBuffer(data); |
| 166 rv = entry->WriteData(kTestDiskCacheStreamIndex, 0, iobuffer.get(), |
| 167 iobuffer->size(), callback.callback(), false); |
| 168 EXPECT_EQ(static_cast<int>(data.size()), callback.GetResult(rv)); |
| 169 return entry.Pass(); |
| 170 } |
| 171 |
| 172 template <typename T> |
| 173 void SetValue(T* address, T value) { |
| 174 *address = value; |
| 175 } |
| 176 |
| 177 class FakeFileStreamReader : public FileStreamReader { |
| 178 public: |
| 179 explicit FakeFileStreamReader(const std::string& contents) |
| 180 : buffer_(new DrainableIOBuffer( |
| 181 new net::StringIOBuffer( |
| 182 scoped_ptr<std::string>(new std::string(contents))), |
| 183 contents.size())), |
| 184 net_error_(net::OK), |
| 185 size_(contents.size()) {} |
| 186 FakeFileStreamReader(const std::string& contents, uint64_t size) |
| 187 : buffer_(new DrainableIOBuffer( |
| 188 new net::StringIOBuffer( |
| 189 scoped_ptr<std::string>(new std::string(contents))), |
| 190 contents.size())), |
| 191 net_error_(net::OK), |
| 192 size_(size) {} |
| 193 |
| 194 void ReturnError(int net_error) { net_error_ = net_error; } |
| 195 |
| 196 void DoAsync(base::SingleThreadTaskRunner* runner) { |
| 197 async_task_runner_ = runner; |
| 198 } |
| 199 |
| 200 ~FakeFileStreamReader() override {} |
| 201 |
| 202 int Read(net::IOBuffer* buf, |
| 203 int buf_length, |
| 204 const net::CompletionCallback& done) override { |
| 205 if (net_error_ == net::OK) { |
| 206 if (async_task_runner_.get()) { |
| 207 async_task_runner_->PostTask( |
| 208 FROM_HERE, |
| 209 base::Bind(base::IgnoreResult(&FakeFileStreamReader::ReadImpl), |
| 210 base::Unretained(this), scoped_refptr<IOBuffer>(buf), |
| 211 buf_length, done)); |
| 212 return net::ERR_IO_PENDING; |
| 213 } else { |
| 214 return ReadImpl(buf, buf_length, net::CompletionCallback()); |
| 215 } |
| 216 } |
| 217 if (async_task_runner_.get()) { |
| 218 async_task_runner_->PostTask(FROM_HERE, base::Bind(done, net_error_)); |
| 219 return net::ERR_IO_PENDING; |
| 220 } |
| 221 return net_error_; |
| 222 } |
| 223 |
| 224 int64 GetLength(const net::Int64CompletionCallback& size_callback) override { |
| 225 if (net_error_ == net::OK) { |
| 226 if (async_task_runner_.get()) { |
| 227 async_task_runner_->PostTask( |
| 228 FROM_HERE, |
| 229 base::Bind(base::IgnoreResult(&FakeFileStreamReader::GetLengthImpl), |
| 230 base::Unretained(this), size_callback)); |
| 231 return net::ERR_IO_PENDING; |
| 232 } else { |
| 233 return GetLengthImpl(net::Int64CompletionCallback()); |
| 234 } |
| 235 } |
| 236 if (async_task_runner_.get()) { |
| 237 async_task_runner_->PostTask( |
| 238 FROM_HERE, |
| 239 base::Bind(size_callback, static_cast<int64_t>(net_error_))); |
| 240 return net::ERR_IO_PENDING; |
| 241 } |
| 242 return net_error_; |
| 243 } |
| 244 |
| 245 private: |
| 246 int ReadImpl(scoped_refptr<net::IOBuffer> buf, |
| 247 int buf_length, |
| 248 const net::CompletionCallback& done) { |
| 249 CHECK_GE(buf_length, 0); |
| 250 int length = std::min(buf_length, buffer_->BytesRemaining()); |
| 251 memcpy(buf->data(), buffer_->data(), length); |
| 252 buffer_->DidConsume(length); |
| 253 if (done.is_null()) { |
| 254 return length; |
| 255 } |
| 256 done.Run(length); |
| 257 return net::ERR_IO_PENDING; |
| 258 } |
| 259 |
| 260 int64 GetLengthImpl(const net::Int64CompletionCallback& size_callback) { |
| 261 if (size_callback.is_null()) { |
| 262 return size_; |
| 263 } |
| 264 size_callback.Run(size_); |
| 265 return net::ERR_IO_PENDING; |
| 266 } |
| 267 |
| 268 scoped_refptr<net::DrainableIOBuffer> buffer_; |
| 269 scoped_refptr<base::SingleThreadTaskRunner> async_task_runner_; |
| 270 int net_error_; |
| 271 uint64_t size_; |
| 272 |
| 273 DISALLOW_COPY_AND_ASSIGN(FakeFileStreamReader); |
| 274 }; |
| 275 |
| 276 class MockFileStreamReaderProvider |
| 277 : public BlobReader::FileStreamReaderProvider { |
| 278 public: |
| 279 ~MockFileStreamReaderProvider() override {} |
| 280 |
| 281 MOCK_METHOD4(CreateForLocalFile, |
| 282 FileStreamReader*(base::TaskRunner* task_runner, |
| 283 const FilePath& file_path, |
| 284 int64_t initial_offset, |
| 285 const base::Time& expected_modification_time)); |
| 286 MOCK_METHOD4(CreateFileStreamReader, |
| 287 FileStreamReader*(const GURL& filesystem_url, |
| 288 int64_t offset, |
| 289 int64_t max_bytes_to_read, |
| 290 const base::Time& expected_modification_time)); |
| 291 }; |
| 292 |
| 293 } // namespace |
| 294 |
| 295 class BlobReaderTest : public ::testing::Test { |
| 296 public: |
| 297 BlobReaderTest() {} |
| 298 ~BlobReaderTest() override {} |
| 299 |
| 300 void TearDown() override { base::RunLoop().RunUntilIdle(); } |
| 301 |
| 302 protected: |
| 303 void InitializeReader(BlobDataBuilder* builder) { |
| 304 blob_handle_ = builder ? context_.AddFinishedBlob(builder).Pass() : nullptr; |
| 305 provider_ = new MockFileStreamReaderProvider(); |
| 306 scoped_ptr<BlobReader::FileStreamReaderProvider> temp_ptr(provider_); |
| 307 reader_.reset(new BlobReader(blob_handle_.get(), temp_ptr.Pass(), |
| 308 message_loop_.task_runner().get())); |
| 309 } |
| 310 |
| 311 // Takes ownership of the file reader (the blob reader takes ownership). |
| 312 void ExpectLocalFileCall(const FilePath& file_path, |
| 313 base::Time modification_time, |
| 314 uint64_t initial_offset, |
| 315 FakeFileStreamReader* reader) { |
| 316 EXPECT_CALL(*provider_, |
| 317 CreateForLocalFile(message_loop_.task_runner().get(), file_path, |
| 318 initial_offset, modification_time)) |
| 319 .WillOnce(testing::Return(reader)); |
| 320 } |
| 321 |
| 322 // Takes ownership of the file reader (the blob reader takes ownership). |
| 323 void ExpectFileSystemCall(const GURL& filesystem_url, |
| 324 int64_t offset, |
| 325 int64_t max_bytes_to_read, |
| 326 base::Time expected_modification_time, |
| 327 FakeFileStreamReader* reader) { |
| 328 EXPECT_CALL(*provider_, CreateFileStreamReader(filesystem_url, offset, |
| 329 max_bytes_to_read, |
| 330 expected_modification_time)) |
| 331 .WillOnce(testing::Return(reader)); |
| 332 } |
| 333 |
| 334 void CheckSizeCalculatedSynchronously(size_t expected_size, int async_size) { |
| 335 EXPECT_EQ(-1, async_size); |
| 336 EXPECT_EQ(net::OK, reader_->net_error()); |
| 337 EXPECT_EQ(expected_size, reader_->total_size()); |
| 338 EXPECT_TRUE(reader_->total_size_calculated()); |
| 339 } |
| 340 |
| 341 void CheckSizeNotCalculatedYet(int async_size) { |
| 342 EXPECT_EQ(-1, async_size); |
| 343 EXPECT_EQ(net::OK, reader_->net_error()); |
| 344 EXPECT_FALSE(reader_->total_size_calculated()); |
| 345 } |
| 346 |
| 347 void CheckSizeCalculatedAsynchronously(size_t expected_size, int async_size) { |
| 348 EXPECT_EQ(expected_size, static_cast<size_t>(async_size)); |
| 349 EXPECT_EQ(net::OK, reader_->net_error()); |
| 350 EXPECT_EQ(expected_size, reader_->total_size()); |
| 351 EXPECT_TRUE(reader_->total_size_calculated()); |
| 352 } |
| 353 |
| 354 scoped_refptr<net::IOBuffer> CreateBuffer(uint64_t size) { |
| 355 return scoped_refptr<net::IOBuffer>( |
| 356 new net::IOBuffer(static_cast<size_t>(size))); |
| 357 } |
| 358 |
| 359 bool IsReaderTotalSizeCalculated() { |
| 360 return reader_->total_size_calculated(); |
| 361 } |
| 362 |
| 363 BlobStorageContext context_; |
| 364 scoped_ptr<BlobDataHandle> blob_handle_; |
| 365 MockFileStreamReaderProvider* provider_ = nullptr; |
| 366 base::MessageLoop message_loop_; |
| 367 scoped_ptr<BlobReader> reader_; |
| 368 |
| 369 private: |
| 370 DISALLOW_COPY_AND_ASSIGN(BlobReaderTest); |
| 371 }; |
| 372 |
| 373 namespace { |
| 374 |
| 375 TEST_F(BlobReaderTest, BasicMemory) { |
| 376 BlobDataBuilder b("uuid"); |
| 377 const std::string kData("Hello!!!"); |
| 378 const size_t kDataSize = 8ul; |
| 379 b.AppendData(kData); |
| 380 this->InitializeReader(&b); |
| 381 |
| 382 int calculated_size = -1; |
| 383 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 384 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 385 &SetValue<int>, &calculated_size))); |
| 386 CheckSizeCalculatedSynchronously(kDataSize, calculated_size); |
| 387 |
| 388 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kDataSize)); |
| 389 |
| 390 int bytes_read = 0; |
| 391 int async_bytes_read = 0; |
| 392 EXPECT_EQ(BlobReader::Status::DONE, |
| 393 reader_->Read(buffer.get(), kDataSize, &bytes_read, |
| 394 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 395 EXPECT_EQ(net::OK, reader_->net_error()); |
| 396 EXPECT_EQ(kDataSize, static_cast<size_t>(bytes_read)); |
| 397 EXPECT_EQ(0, async_bytes_read); |
| 398 EXPECT_EQ(0, memcmp(buffer->data(), "Hello!!!", kDataSize)); |
| 399 } |
| 400 |
| 401 TEST_F(BlobReaderTest, BasicFile) { |
| 402 BlobDataBuilder b("uuid"); |
| 403 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt"); |
| 404 const std::string kData = "FileData!!!"; |
| 405 const base::Time kTime = base::Time::Now(); |
| 406 b.AppendFile(kPath, 0, kData.size(), kTime); |
| 407 this->InitializeReader(&b); |
| 408 |
| 409 // Non-async reader. |
| 410 ExpectLocalFileCall(kPath, kTime, 0, new FakeFileStreamReader(kData)); |
| 411 |
| 412 int calculated_size = -1; |
| 413 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 414 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 415 &SetValue<int>, &calculated_size))); |
| 416 CheckSizeCalculatedSynchronously(kData.size(), calculated_size); |
| 417 |
| 418 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size())); |
| 419 |
| 420 int bytes_read = 0; |
| 421 int async_bytes_read = 0; |
| 422 EXPECT_EQ(BlobReader::Status::DONE, |
| 423 reader_->Read(buffer.get(), kData.size(), &bytes_read, |
| 424 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 425 EXPECT_EQ(net::OK, reader_->net_error()); |
| 426 EXPECT_EQ(kData.size(), static_cast<size_t>(bytes_read)); |
| 427 EXPECT_EQ(0, async_bytes_read); |
| 428 EXPECT_EQ(0, memcmp(buffer->data(), "FileData!!!", kData.size())); |
| 429 } |
| 430 |
| 431 TEST_F(BlobReaderTest, BasicFileSystem) { |
| 432 BlobDataBuilder b("uuid"); |
| 433 const GURL kURL("file://test_file/here.txt"); |
| 434 const std::string kData = "FileData!!!"; |
| 435 const base::Time kTime = base::Time::Now(); |
| 436 b.AppendFileSystemFile(kURL, 0, kData.size(), kTime); |
| 437 this->InitializeReader(&b); |
| 438 |
| 439 // Non-async reader. |
| 440 ExpectFileSystemCall(kURL, 0, kData.size(), kTime, |
| 441 new FakeFileStreamReader(kData)); |
| 442 |
| 443 int calculated_size = -1; |
| 444 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 445 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 446 &SetValue<int>, &calculated_size))); |
| 447 CheckSizeCalculatedSynchronously(kData.size(), calculated_size); |
| 448 |
| 449 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size())); |
| 450 |
| 451 int bytes_read = 0; |
| 452 int async_bytes_read = 0; |
| 453 EXPECT_EQ(BlobReader::Status::DONE, |
| 454 reader_->Read(buffer.get(), kData.size(), &bytes_read, |
| 455 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 456 EXPECT_EQ(net::OK, reader_->net_error()); |
| 457 EXPECT_EQ(kData.size(), static_cast<size_t>(bytes_read)); |
| 458 EXPECT_EQ(0, async_bytes_read); |
| 459 EXPECT_EQ(0, memcmp(buffer->data(), "FileData!!!", kData.size())); |
| 460 } |
| 461 |
| 462 TEST_F(BlobReaderTest, BasicDiskCache) { |
| 463 scoped_ptr<disk_cache::Backend> cache = |
| 464 CreateInMemoryDiskCache(message_loop_.task_runner()); |
| 465 ASSERT_TRUE(cache); |
| 466 |
| 467 BlobDataBuilder b("uuid"); |
| 468 const std::string kData = "Test Blob Data"; |
| 469 scoped_refptr<BlobDataBuilder::DataHandle> data_handle = |
| 470 new EmptyDataHandle(); |
| 471 disk_cache::ScopedEntryPtr entry = |
| 472 CreateDiskCacheEntry(cache.get(), "test entry", kData); |
| 473 b.AppendDiskCacheEntry(data_handle, entry.get(), kTestDiskCacheStreamIndex); |
| 474 this->InitializeReader(&b); |
| 475 |
| 476 int calculated_size = -1; |
| 477 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 478 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 479 &SetValue<int>, &calculated_size))); |
| 480 CheckSizeCalculatedSynchronously(kData.size(), calculated_size); |
| 481 |
| 482 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size())); |
| 483 |
| 484 int bytes_read = 0; |
| 485 int async_bytes_read = 0; |
| 486 EXPECT_EQ(BlobReader::Status::DONE, |
| 487 reader_->Read(buffer.get(), kData.size(), &bytes_read, |
| 488 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 489 EXPECT_EQ(net::OK, reader_->net_error()); |
| 490 EXPECT_EQ(kData.size(), static_cast<size_t>(bytes_read)); |
| 491 EXPECT_EQ(0, async_bytes_read); |
| 492 EXPECT_EQ(0, memcmp(buffer->data(), "Test Blob Data", kData.size())); |
| 493 } |
| 494 |
| 495 TEST_F(BlobReaderTest, BufferLargerThanMemory) { |
| 496 BlobDataBuilder b("uuid"); |
| 497 const std::string kData("Hello!!!"); |
| 498 const size_t kDataSize = 8ul; |
| 499 const size_t kBufferSize = 10ul; |
| 500 b.AppendData(kData); |
| 501 this->InitializeReader(&b); |
| 502 |
| 503 int calculated_size = -1; |
| 504 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 505 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 506 &SetValue<int>, &calculated_size))); |
| 507 CheckSizeCalculatedSynchronously(kData.size(), calculated_size); |
| 508 |
| 509 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kBufferSize)); |
| 510 |
| 511 int bytes_read = 0; |
| 512 int async_bytes_read = 0; |
| 513 EXPECT_EQ(BlobReader::Status::DONE, |
| 514 reader_->Read(buffer.get(), kBufferSize, &bytes_read, |
| 515 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 516 EXPECT_EQ(net::OK, reader_->net_error()); |
| 517 EXPECT_EQ(kDataSize, static_cast<size_t>(bytes_read)); |
| 518 EXPECT_EQ(0, async_bytes_read); |
| 519 EXPECT_EQ(0, memcmp(buffer->data(), "Hello!!!", kDataSize)); |
| 520 } |
| 521 |
| 522 TEST_F(BlobReaderTest, MemoryRange) { |
| 523 BlobDataBuilder b("uuid"); |
| 524 const std::string kData("Hello!!!"); |
| 525 const size_t kDataSize = 8ul; |
| 526 const size_t kSeekOffset = 2ul; |
| 527 const uint64_t kReadLength = 4ull; |
| 528 b.AppendData(kData); |
| 529 this->InitializeReader(&b); |
| 530 |
| 531 int calculated_size = -1; |
| 532 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 533 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 534 &SetValue<int>, &calculated_size))); |
| 535 CheckSizeCalculatedSynchronously(kData.size(), calculated_size); |
| 536 |
| 537 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kReadLength); |
| 538 |
| 539 reader_->SetReadRange(kSeekOffset, kReadLength); |
| 540 int bytes_read = 0; |
| 541 int async_bytes_read = 0; |
| 542 EXPECT_EQ(BlobReader::Status::DONE, |
| 543 reader_->Read(buffer.get(), kDataSize - kSeekOffset, &bytes_read, |
| 544 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 545 EXPECT_EQ(net::OK, reader_->net_error()); |
| 546 EXPECT_EQ(kReadLength, static_cast<size_t>(bytes_read)); |
| 547 EXPECT_EQ(0, async_bytes_read); |
| 548 EXPECT_EQ(0, memcmp(buffer->data(), "llo!", kReadLength)); |
| 549 } |
| 550 |
| 551 TEST_F(BlobReaderTest, BufferSmallerThanMemory) { |
| 552 BlobDataBuilder b("uuid"); |
| 553 const std::string kData("Hello!!!"); |
| 554 const size_t kBufferSize = 4ul; |
| 555 b.AppendData(kData); |
| 556 this->InitializeReader(&b); |
| 557 |
| 558 int calculated_size = -1; |
| 559 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 560 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 561 &SetValue<int>, &calculated_size))); |
| 562 CheckSizeCalculatedSynchronously(kData.size(), calculated_size); |
| 563 |
| 564 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kBufferSize)); |
| 565 |
| 566 int bytes_read = 0; |
| 567 int async_bytes_read = 0; |
| 568 EXPECT_EQ(BlobReader::Status::DONE, |
| 569 reader_->Read(buffer.get(), kBufferSize, &bytes_read, |
| 570 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 571 EXPECT_EQ(net::OK, reader_->net_error()); |
| 572 EXPECT_EQ(kBufferSize, static_cast<size_t>(bytes_read)); |
| 573 EXPECT_EQ(0, async_bytes_read); |
| 574 EXPECT_EQ(0, memcmp(buffer->data(), "Hell", kBufferSize)); |
| 575 |
| 576 bytes_read = 0; |
| 577 EXPECT_EQ(BlobReader::Status::DONE, |
| 578 reader_->Read(buffer.get(), kBufferSize, &bytes_read, |
| 579 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 580 EXPECT_EQ(net::OK, reader_->net_error()); |
| 581 EXPECT_EQ(kBufferSize, static_cast<size_t>(bytes_read)); |
| 582 EXPECT_EQ(0, async_bytes_read); |
| 583 EXPECT_EQ(0, memcmp(buffer->data(), "o!!!", kBufferSize)); |
| 584 } |
| 585 |
| 586 TEST_F(BlobReaderTest, SegmentedBufferAndMemory) { |
| 587 BlobDataBuilder b("uuid"); |
| 588 const size_t kNumItems = 10; |
| 589 const size_t kItemSize = 6; |
| 590 const size_t kBufferSize = 10; |
| 591 const size_t kTotalSize = kNumItems * kItemSize; |
| 592 char current_value = 0; |
| 593 for (size_t i = 0; i < kNumItems; i++) { |
| 594 char buf[kItemSize]; |
| 595 for (size_t j = 0; j < kItemSize; j++) { |
| 596 buf[j] = current_value++; |
| 597 } |
| 598 b.AppendData(buf, kItemSize); |
| 599 } |
| 600 this->InitializeReader(&b); |
| 601 |
| 602 int calculated_size = -1; |
| 603 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 604 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 605 &SetValue<int>, &calculated_size))); |
| 606 CheckSizeCalculatedSynchronously(kTotalSize, calculated_size); |
| 607 |
| 608 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kBufferSize)); |
| 609 |
| 610 current_value = 0; |
| 611 for (size_t i = 0; i < kTotalSize / kBufferSize; i++) { |
| 612 int bytes_read = 0; |
| 613 int async_bytes_read = 0; |
| 614 EXPECT_EQ(BlobReader::Status::DONE, |
| 615 reader_->Read(buffer.get(), kBufferSize, &bytes_read, |
| 616 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 617 EXPECT_EQ(net::OK, reader_->net_error()); |
| 618 EXPECT_EQ(kBufferSize, static_cast<size_t>(bytes_read)); |
| 619 EXPECT_EQ(0, async_bytes_read); |
| 620 for (size_t j = 0; j < kBufferSize; j++) { |
| 621 EXPECT_EQ(current_value, buffer->data()[j]); |
| 622 current_value++; |
| 623 } |
| 624 } |
| 625 } |
| 626 |
| 627 TEST_F(BlobReaderTest, FileAsync) { |
| 628 BlobDataBuilder b("uuid"); |
| 629 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt"); |
| 630 const std::string kData = "FileData!!!"; |
| 631 const base::Time kTime = base::Time::Now(); |
| 632 b.AppendFile(kPath, 0, kData.size(), kTime); |
| 633 this->InitializeReader(&b); |
| 634 |
| 635 scoped_ptr<FakeFileStreamReader> reader(new FakeFileStreamReader(kData)); |
| 636 reader->DoAsync(message_loop_.task_runner().get()); |
| 637 |
| 638 ExpectLocalFileCall(kPath, kTime, 0, reader.release()); |
| 639 |
| 640 int calculated_size = -1; |
| 641 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 642 EXPECT_EQ( |
| 643 BlobReader::Status::IO_PENDING, |
| 644 reader_->CalculateSize(base::Bind(&SetValue<int>, &calculated_size))); |
| 645 CheckSizeNotCalculatedYet(calculated_size); |
| 646 message_loop_.RunUntilIdle(); |
| 647 CheckSizeCalculatedAsynchronously(kData.size(), calculated_size); |
| 648 |
| 649 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size())); |
| 650 |
| 651 int bytes_read = 0; |
| 652 int async_bytes_read = 0; |
| 653 EXPECT_EQ(BlobReader::Status::IO_PENDING, |
| 654 reader_->Read(buffer.get(), kData.size(), &bytes_read, |
| 655 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 656 message_loop_.RunUntilIdle(); |
| 657 EXPECT_EQ(net::OK, reader_->net_error()); |
| 658 EXPECT_EQ(kData.size(), static_cast<size_t>(async_bytes_read)); |
| 659 EXPECT_EQ(0, bytes_read); |
| 660 EXPECT_EQ(0, memcmp(buffer->data(), "FileData!!!", kData.size())); |
| 661 } |
| 662 |
| 663 TEST_F(BlobReaderTest, FileSystemAsync) { |
| 664 BlobDataBuilder b("uuid"); |
| 665 const GURL kURL("file://test_file/here.txt"); |
| 666 const std::string kData = "FileData!!!"; |
| 667 const base::Time kTime = base::Time::Now(); |
| 668 b.AppendFileSystemFile(kURL, 0, kData.size(), kTime); |
| 669 this->InitializeReader(&b); |
| 670 |
| 671 scoped_ptr<FakeFileStreamReader> reader(new FakeFileStreamReader(kData)); |
| 672 reader->DoAsync(message_loop_.task_runner().get()); |
| 673 |
| 674 ExpectFileSystemCall(kURL, 0, kData.size(), kTime, reader.release()); |
| 675 |
| 676 int calculated_size = -1; |
| 677 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 678 EXPECT_EQ( |
| 679 BlobReader::Status::IO_PENDING, |
| 680 reader_->CalculateSize(base::Bind(&SetValue<int>, &calculated_size))); |
| 681 CheckSizeNotCalculatedYet(calculated_size); |
| 682 message_loop_.RunUntilIdle(); |
| 683 CheckSizeCalculatedAsynchronously(kData.size(), calculated_size); |
| 684 |
| 685 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size())); |
| 686 |
| 687 int bytes_read = 0; |
| 688 int async_bytes_read = 0; |
| 689 EXPECT_EQ(BlobReader::Status::IO_PENDING, |
| 690 reader_->Read(buffer.get(), kData.size(), &bytes_read, |
| 691 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 692 message_loop_.RunUntilIdle(); |
| 693 EXPECT_EQ(net::OK, reader_->net_error()); |
| 694 EXPECT_EQ(kData.size(), static_cast<size_t>(async_bytes_read)); |
| 695 EXPECT_EQ(0, bytes_read); |
| 696 EXPECT_EQ(0, memcmp(buffer->data(), "FileData!!!", kData.size())); |
| 697 } |
| 698 |
| 699 TEST_F(BlobReaderTest, DiskCacheAsync) { |
| 700 scoped_ptr<disk_cache::Backend> cache = |
| 701 CreateInMemoryDiskCache(message_loop_.task_runner()); |
| 702 ASSERT_TRUE(cache); |
| 703 |
| 704 BlobDataBuilder b("uuid"); |
| 705 const std::string kData = "Test Blob Data"; |
| 706 scoped_refptr<BlobDataBuilder::DataHandle> data_handle = |
| 707 new EmptyDataHandle(); |
| 708 scoped_ptr<DelayedReadEntry> delayed_read_entry(new DelayedReadEntry( |
| 709 CreateDiskCacheEntry(cache.get(), "test entry", kData).Pass())); |
| 710 b.AppendDiskCacheEntry(data_handle, delayed_read_entry.get(), |
| 711 kTestDiskCacheStreamIndex); |
| 712 this->InitializeReader(&b); |
| 713 |
| 714 int calculated_size = -1; |
| 715 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 716 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 717 &SetValue<int>, &calculated_size))); |
| 718 CheckSizeCalculatedSynchronously(kData.size(), calculated_size); |
| 719 |
| 720 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size())); |
| 721 |
| 722 int bytes_read = 0; |
| 723 int async_bytes_read = 0; |
| 724 EXPECT_EQ(BlobReader::Status::IO_PENDING, |
| 725 reader_->Read(buffer.get(), kData.size(), &bytes_read, |
| 726 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 727 EXPECT_TRUE(delayed_read_entry->HasPendingReadCallbacks()); |
| 728 delayed_read_entry->RunPendingReadCallbacks(); |
| 729 EXPECT_EQ(net::OK, reader_->net_error()); |
| 730 EXPECT_EQ(0, bytes_read); |
| 731 EXPECT_EQ(kData.size(), static_cast<size_t>(async_bytes_read)); |
| 732 EXPECT_EQ(0, memcmp(buffer->data(), "Test Blob Data", kData.size())); |
| 733 } |
| 734 |
| 735 TEST_F(BlobReaderTest, FileRange) { |
| 736 BlobDataBuilder b("uuid"); |
| 737 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt"); |
| 738 // We check the offset in the ExpectLocalFileCall mock. |
| 739 const std::string kRangeData = "leD"; |
| 740 const std::string kData = "FileData!!!"; |
| 741 const uint64_t kOffset = 2; |
| 742 const uint64_t kReadLength = 3; |
| 743 const base::Time kTime = base::Time::Now(); |
| 744 b.AppendFile(kPath, 0, kData.size(), kTime); |
| 745 this->InitializeReader(&b); |
| 746 |
| 747 scoped_ptr<FakeFileStreamReader> reader(new FakeFileStreamReader(kData)); |
| 748 reader->DoAsync(message_loop_.task_runner().get()); |
| 749 ExpectLocalFileCall(kPath, kTime, 0, reader.release()); |
| 750 |
| 751 // We create the reader again with the offset after the seek. |
| 752 reader.reset(new FakeFileStreamReader(kRangeData)); |
| 753 reader->DoAsync(message_loop_.task_runner().get()); |
| 754 ExpectLocalFileCall(kPath, kTime, kOffset, reader.release()); |
| 755 |
| 756 int calculated_size = -1; |
| 757 EXPECT_EQ( |
| 758 BlobReader::Status::IO_PENDING, |
| 759 reader_->CalculateSize(base::Bind(&SetValue<int>, &calculated_size))); |
| 760 message_loop_.RunUntilIdle(); |
| 761 |
| 762 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kReadLength); |
| 763 EXPECT_EQ(BlobReader::Status::DONE, |
| 764 reader_->SetReadRange(kOffset, kReadLength)); |
| 765 |
| 766 int bytes_read = 0; |
| 767 int async_bytes_read = 0; |
| 768 EXPECT_EQ(BlobReader::Status::IO_PENDING, |
| 769 reader_->Read(buffer.get(), kReadLength, &bytes_read, |
| 770 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 771 message_loop_.RunUntilIdle(); |
| 772 EXPECT_EQ(net::OK, reader_->net_error()); |
| 773 EXPECT_EQ(kReadLength, static_cast<size_t>(async_bytes_read)); |
| 774 EXPECT_EQ(0, bytes_read); |
| 775 EXPECT_EQ(0, memcmp(buffer->data(), "leD", kReadLength)); |
| 776 } |
| 777 |
| 778 TEST_F(BlobReaderTest, DiskCacheRange) { |
| 779 scoped_ptr<disk_cache::Backend> cache = |
| 780 CreateInMemoryDiskCache(message_loop_.task_runner()); |
| 781 ASSERT_TRUE(cache); |
| 782 |
| 783 BlobDataBuilder b("uuid"); |
| 784 const std::string kData = "Test Blob Data"; |
| 785 const uint64_t kOffset = 2; |
| 786 const uint64_t kReadLength = 3; |
| 787 scoped_refptr<BlobDataBuilder::DataHandle> data_handle = |
| 788 new EmptyDataHandle(); |
| 789 disk_cache::ScopedEntryPtr entry = |
| 790 CreateDiskCacheEntry(cache.get(), "test entry", kData); |
| 791 b.AppendDiskCacheEntry(data_handle, entry.get(), kTestDiskCacheStreamIndex); |
| 792 this->InitializeReader(&b); |
| 793 |
| 794 int calculated_size = -1; |
| 795 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 796 &SetValue<int>, &calculated_size))); |
| 797 |
| 798 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kReadLength); |
| 799 EXPECT_EQ(BlobReader::Status::DONE, |
| 800 reader_->SetReadRange(kOffset, kReadLength)); |
| 801 |
| 802 int bytes_read = 0; |
| 803 int async_bytes_read = 0; |
| 804 EXPECT_EQ(BlobReader::Status::DONE, |
| 805 reader_->Read(buffer.get(), kReadLength, &bytes_read, |
| 806 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 807 EXPECT_EQ(net::OK, reader_->net_error()); |
| 808 EXPECT_EQ(kReadLength, static_cast<size_t>(bytes_read)); |
| 809 EXPECT_EQ(0, async_bytes_read); |
| 810 EXPECT_EQ(0, memcmp(buffer->data(), "st ", kReadLength)); |
| 811 } |
| 812 |
| 813 TEST_F(BlobReaderTest, FileSomeAsyncSegmentedOffsetsUnknownSizes) { |
| 814 // This tests includes: |
| 815 // * Unknown file sizes (item length of uint64::max) for every other item. |
| 816 // * Offsets for every 3rd file item. |
| 817 // * Non-async reader for every 4th file item. |
| 818 BlobDataBuilder b("uuid"); |
| 819 const FilePath kPathBase = FilePath::FromUTF8Unsafe("/fake/file.txt"); |
| 820 const base::Time kTime = base::Time::Now(); |
| 821 const size_t kNumItems = 10; |
| 822 const size_t kItemSize = 6; |
| 823 const size_t kBufferSize = 10; |
| 824 const size_t kTotalSize = kNumItems * kItemSize; |
| 825 char current_value = 0; |
| 826 // Create blob and reader. |
| 827 for (size_t i = 0; i < kNumItems; i++) { |
| 828 current_value += kItemSize; |
| 829 FilePath path = kPathBase.Append( |
| 830 FilePath::FromUTF8Unsafe(base::StringPrintf("%d", current_value))); |
| 831 uint64_t offset = i % 3 == 0 ? 1 : 0; |
| 832 uint64_t size = |
| 833 i % 2 == 0 ? kItemSize : std::numeric_limits<uint64_t>::max(); |
| 834 b.AppendFile(path, offset, size, kTime); |
| 835 } |
| 836 this->InitializeReader(&b); |
| 837 |
| 838 // Set expectations. |
| 839 current_value = 0; |
| 840 for (size_t i = 0; i < kNumItems; i++) { |
| 841 uint64_t offset = i % 3 == 0 ? 1 : 0; |
| 842 char buf[kItemSize + offset]; |
| 843 if (offset > 0) { |
| 844 memset(buf, 7, offset); |
| 845 } |
| 846 for (size_t j = 0; j < kItemSize; j++) { |
| 847 buf[j + offset] = current_value++; |
| 848 } |
| 849 scoped_ptr<FakeFileStreamReader> reader(new FakeFileStreamReader( |
| 850 std::string(buf + offset, kItemSize), kItemSize + offset)); |
| 851 if (i % 4 != 0) { |
| 852 reader->DoAsync(message_loop_.task_runner().get()); |
| 853 } |
| 854 FilePath path = kPathBase.Append( |
| 855 FilePath::FromUTF8Unsafe(base::StringPrintf("%d", current_value))); |
| 856 ExpectLocalFileCall(path, kTime, offset, reader.release()); |
| 857 } |
| 858 |
| 859 int calculated_size = -1; |
| 860 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 861 EXPECT_EQ( |
| 862 BlobReader::Status::IO_PENDING, |
| 863 reader_->CalculateSize(base::Bind(&SetValue<int>, &calculated_size))); |
| 864 CheckSizeNotCalculatedYet(calculated_size); |
| 865 message_loop_.RunUntilIdle(); |
| 866 CheckSizeCalculatedAsynchronously(kTotalSize, calculated_size); |
| 867 |
| 868 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kBufferSize)); |
| 869 |
| 870 current_value = 0; |
| 871 for (size_t i = 0; i < kTotalSize / kBufferSize; i++) { |
| 872 int bytes_read = 0; |
| 873 int async_bytes_read = 0; |
| 874 EXPECT_EQ(BlobReader::Status::IO_PENDING, |
| 875 reader_->Read(buffer.get(), kBufferSize, &bytes_read, |
| 876 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 877 message_loop_.RunUntilIdle(); |
| 878 EXPECT_EQ(net::OK, reader_->net_error()); |
| 879 EXPECT_EQ(0, bytes_read); |
| 880 EXPECT_EQ(kBufferSize, static_cast<size_t>(async_bytes_read)); |
| 881 for (size_t j = 0; j < kBufferSize; j++) { |
| 882 EXPECT_EQ(current_value, buffer->data()[j]); |
| 883 current_value++; |
| 884 } |
| 885 } |
| 886 } |
| 887 |
| 888 TEST_F(BlobReaderTest, MixedContent) { |
| 889 // Includes data, a file, and a disk cache entry. |
| 890 scoped_ptr<disk_cache::Backend> cache = |
| 891 CreateInMemoryDiskCache(message_loop_.task_runner()); |
| 892 ASSERT_TRUE(cache); |
| 893 |
| 894 BlobDataBuilder b("uuid"); |
| 895 const std::string kData1("Hello "); |
| 896 const std::string kData2("there. "); |
| 897 const std::string kData3("This "); |
| 898 const std::string kData4("is multi-content."); |
| 899 const uint64_t kDataSize = 35; |
| 900 |
| 901 const base::Time kTime = base::Time::Now(); |
| 902 const FilePath kData1Path = FilePath::FromUTF8Unsafe("/fake/file.txt"); |
| 903 |
| 904 disk_cache::ScopedEntryPtr entry3 = |
| 905 CreateDiskCacheEntry(cache.get(), "test entry", kData3); |
| 906 |
| 907 b.AppendFile(kData1Path, 0, kData1.size(), kTime); |
| 908 b.AppendData(kData2); |
| 909 b.AppendDiskCacheEntry( |
| 910 scoped_refptr<BlobDataBuilder::DataHandle>(new EmptyDataHandle()), |
| 911 entry3.get(), kTestDiskCacheStreamIndex); |
| 912 b.AppendData(kData4); |
| 913 |
| 914 this->InitializeReader(&b); |
| 915 |
| 916 scoped_ptr<FakeFileStreamReader> reader(new FakeFileStreamReader(kData1)); |
| 917 reader->DoAsync(message_loop_.task_runner().get()); |
| 918 ExpectLocalFileCall(kData1Path, kTime, 0, reader.release()); |
| 919 |
| 920 int calculated_size = -1; |
| 921 EXPECT_FALSE(IsReaderTotalSizeCalculated()); |
| 922 EXPECT_EQ( |
| 923 BlobReader::Status::IO_PENDING, |
| 924 reader_->CalculateSize(base::Bind(&SetValue<int>, &calculated_size))); |
| 925 CheckSizeNotCalculatedYet(calculated_size); |
| 926 message_loop_.RunUntilIdle(); |
| 927 CheckSizeCalculatedAsynchronously(kDataSize, calculated_size); |
| 928 |
| 929 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kDataSize); |
| 930 |
| 931 int bytes_read = 0; |
| 932 int async_bytes_read = 0; |
| 933 EXPECT_EQ(BlobReader::Status::IO_PENDING, |
| 934 reader_->Read(buffer.get(), kDataSize, &bytes_read, |
| 935 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 936 EXPECT_EQ(0, async_bytes_read); |
| 937 message_loop_.RunUntilIdle(); |
| 938 EXPECT_EQ(net::OK, reader_->net_error()); |
| 939 EXPECT_EQ(0, bytes_read); |
| 940 EXPECT_EQ(kDataSize, static_cast<size_t>(async_bytes_read)); |
| 941 EXPECT_EQ(0, memcmp(buffer->data(), "Hello there. This is multi-content.", |
| 942 kDataSize)); |
| 943 } |
| 944 |
| 945 TEST_F(BlobReaderTest, StateErrors) { |
| 946 // Test common variables |
| 947 int bytes_read = -1; |
| 948 int async_bytes_read = -1; |
| 949 int calculated_size = -1; |
| 950 const std::string kData("Hello!!!"); |
| 951 |
| 952 // Case: Blob handle is a nullptr. |
| 953 InitializeReader(nullptr); |
| 954 EXPECT_EQ( |
| 955 BlobReader::Status::NET_ERROR, |
| 956 reader_->CalculateSize(base::Bind(&SetValue<int>, &calculated_size))); |
| 957 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error()); |
| 958 EXPECT_EQ(BlobReader::Status::NET_ERROR, reader_->SetReadRange(0, 10)); |
| 959 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error()); |
| 960 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(10); |
| 961 EXPECT_EQ(BlobReader::Status::NET_ERROR, |
| 962 reader_->Read(buffer.get(), 10, &bytes_read, |
| 963 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 964 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error()); |
| 965 |
| 966 // Case: Not calling CalculateSize before SetReadRange. |
| 967 BlobDataBuilder builder1("uuid1"); |
| 968 builder1.AppendData(kData); |
| 969 InitializeReader(&builder1); |
| 970 EXPECT_EQ(BlobReader::Status::NET_ERROR, reader_->SetReadRange(0, 10)); |
| 971 EXPECT_EQ(net::ERR_FAILED, reader_->net_error()); |
| 972 EXPECT_EQ(BlobReader::Status::NET_ERROR, |
| 973 reader_->Read(buffer.get(), 10, &bytes_read, |
| 974 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 975 EXPECT_EQ(net::ERR_FAILED, reader_->net_error()); |
| 976 EXPECT_EQ(0, bytes_read); |
| 977 |
| 978 // Case: Not calling CalculateSize before Read. |
| 979 BlobDataBuilder builder2("uuid2"); |
| 980 builder2.AppendData(kData); |
| 981 InitializeReader(&builder2); |
| 982 EXPECT_EQ(BlobReader::Status::NET_ERROR, |
| 983 reader_->Read(buffer.get(), 10, &bytes_read, |
| 984 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 985 EXPECT_EQ(net::ERR_FAILED, reader_->net_error()); |
| 986 EXPECT_EQ(0, bytes_read); |
| 987 } |
| 988 |
| 989 TEST_F(BlobReaderTest, FileErrorsSync) { |
| 990 int calculated_size = -1; |
| 991 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt"); |
| 992 const std::string kData = "FileData!!!"; |
| 993 const base::Time kTime = base::Time::Now(); |
| 994 |
| 995 // Case: Error on length query. |
| 996 BlobDataBuilder builder1("uuid1"); |
| 997 builder1.AppendFile(kPath, 0, kData.size(), kTime); |
| 998 this->InitializeReader(&builder1); |
| 999 FakeFileStreamReader* reader = new FakeFileStreamReader(kData); |
| 1000 reader->ReturnError(net::ERR_FILE_NOT_FOUND); |
| 1001 ExpectLocalFileCall(kPath, kTime, 0, reader); |
| 1002 |
| 1003 EXPECT_EQ( |
| 1004 BlobReader::Status::NET_ERROR, |
| 1005 reader_->CalculateSize(base::Bind(&SetValue<int>, &calculated_size))); |
| 1006 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error()); |
| 1007 |
| 1008 // Case: Error on read. |
| 1009 BlobDataBuilder builder2("uuid2"); |
| 1010 builder2.AppendFile(kPath, 0, kData.size(), kTime); |
| 1011 this->InitializeReader(&builder2); |
| 1012 reader = new FakeFileStreamReader(kData); |
| 1013 ExpectLocalFileCall(kPath, kTime, 0, reader); |
| 1014 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 1015 &SetValue<int>, &calculated_size))); |
| 1016 reader->ReturnError(net::ERR_FILE_NOT_FOUND); |
| 1017 |
| 1018 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size())); |
| 1019 int bytes_read = 0; |
| 1020 int async_bytes_read = 0; |
| 1021 EXPECT_EQ(BlobReader::Status::NET_ERROR, |
| 1022 reader_->Read(buffer.get(), kData.size(), &bytes_read, |
| 1023 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 1024 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error()); |
| 1025 } |
| 1026 |
| 1027 TEST_F(BlobReaderTest, FileErrorsAsync) { |
| 1028 int calculated_size = -1; |
| 1029 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt"); |
| 1030 const std::string kData = "FileData!!!"; |
| 1031 const base::Time kTime = base::Time::Now(); |
| 1032 |
| 1033 // Case: Error on length query. |
| 1034 BlobDataBuilder builder1("uuid1"); |
| 1035 builder1.AppendFile(kPath, 0, kData.size(), kTime); |
| 1036 this->InitializeReader(&builder1); |
| 1037 FakeFileStreamReader* reader = new FakeFileStreamReader(kData); |
| 1038 reader->DoAsync(message_loop_.task_runner().get()); |
| 1039 reader->ReturnError(net::ERR_FILE_NOT_FOUND); |
| 1040 ExpectLocalFileCall(kPath, kTime, 0, reader); |
| 1041 |
| 1042 EXPECT_EQ( |
| 1043 BlobReader::Status::IO_PENDING, |
| 1044 reader_->CalculateSize(base::Bind(&SetValue<int>, &calculated_size))); |
| 1045 EXPECT_EQ(net::OK, reader_->net_error()); |
| 1046 message_loop_.RunUntilIdle(); |
| 1047 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, calculated_size); |
| 1048 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error()); |
| 1049 |
| 1050 // Case: Error on read. |
| 1051 BlobDataBuilder builder2("uuid2"); |
| 1052 builder2.AppendFile(kPath, 0, kData.size(), kTime); |
| 1053 this->InitializeReader(&builder2); |
| 1054 reader = new FakeFileStreamReader(kData); |
| 1055 ExpectLocalFileCall(kPath, kTime, 0, reader); |
| 1056 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 1057 &SetValue<int>, &calculated_size))); |
| 1058 reader->ReturnError(net::ERR_FILE_NOT_FOUND); |
| 1059 reader->DoAsync(message_loop_.task_runner().get()); |
| 1060 |
| 1061 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size())); |
| 1062 int bytes_read = 0; |
| 1063 int async_bytes_read = 0; |
| 1064 EXPECT_EQ(BlobReader::Status::IO_PENDING, |
| 1065 reader_->Read(buffer.get(), kData.size(), &bytes_read, |
| 1066 base::Bind(&SetValue<int>, &async_bytes_read))); |
| 1067 EXPECT_EQ(net::OK, reader_->net_error()); |
| 1068 message_loop_.RunUntilIdle(); |
| 1069 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, async_bytes_read); |
| 1070 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error()); |
| 1071 } |
| 1072 |
| 1073 TEST_F(BlobReaderTest, RangeError) { |
| 1074 const std::string kData("Hello!!!"); |
| 1075 const size_t kDataSize = 8ul; |
| 1076 const uint64_t kReadLength = 4ull; |
| 1077 |
| 1078 // Case: offset too high. |
| 1079 BlobDataBuilder b("uuid1"); |
| 1080 b.AppendData(kData); |
| 1081 this->InitializeReader(&b); |
| 1082 int calculated_size = -1; |
| 1083 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 1084 &SetValue<int>, &calculated_size))); |
| 1085 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kDataSize); |
| 1086 EXPECT_EQ(BlobReader::Status::NET_ERROR, |
| 1087 reader_->SetReadRange(kDataSize + 1, kReadLength)); |
| 1088 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error()); |
| 1089 |
| 1090 // Case: length too long. |
| 1091 BlobDataBuilder b2("uuid2"); |
| 1092 b2.AppendData(kData); |
| 1093 this->InitializeReader(&b2); |
| 1094 calculated_size = -1; |
| 1095 EXPECT_EQ(BlobReader::Status::DONE, reader_->CalculateSize(base::Bind( |
| 1096 &SetValue<int>, &calculated_size))); |
| 1097 buffer = CreateBuffer(kDataSize + 1); |
| 1098 EXPECT_EQ(BlobReader::Status::NET_ERROR, |
| 1099 reader_->SetReadRange(0, kDataSize + 1)); |
| 1100 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error()); |
| 1101 } |
| 1102 |
| 1103 } // namespace |
| 1104 } // namespace storage |
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