Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(378)

Side by Side Diff: content/browser/fileapi/blob_reader_unittest.cc

Issue 1934223004: [BlobStorage] Moving all blob files to applicable directories (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 4 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
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 <stddef.h>
6 #include <stdint.h>
7 #include <string.h>
8
9 #include <memory>
10 #include <utility>
11
12 #include "base/bind.h"
13 #include "base/bind_helpers.h"
14 #include "base/callback.h"
15 #include "base/files/file_path.h"
16 #include "base/location.h"
17 #include "base/macros.h"
18 #include "base/memory/ptr_util.h"
19 #include "base/message_loop/message_loop.h"
20 #include "base/run_loop.h"
21 #include "base/strings/stringprintf.h"
22 #include "base/task_runner.h"
23 #include "base/time/time.h"
24 #include "content/public/test/async_file_test_helper.h"
25 #include "content/public/test/test_file_system_context.h"
26 #include "net/base/completion_callback.h"
27 #include "net/base/io_buffer.h"
28 #include "net/base/net_errors.h"
29 #include "net/base/test_completion_callback.h"
30 #include "net/disk_cache/disk_cache.h"
31 #include "storage/browser/blob/blob_data_builder.h"
32 #include "storage/browser/blob/blob_data_handle.h"
33 #include "storage/browser/blob/blob_reader.h"
34 #include "storage/browser/blob/blob_storage_context.h"
35 #include "storage/browser/fileapi/file_stream_reader.h"
36 #include "storage/browser/fileapi/file_system_context.h"
37 #include "storage/browser/fileapi/file_system_file_util.h"
38 #include "testing/gmock/include/gmock/gmock.h"
39 #include "testing/gtest/include/gtest/gtest.h"
40 #include "url/gurl.h"
41
42 using base::FilePath;
43 using content::AsyncFileTestHelper;
44 using net::DrainableIOBuffer;
45 using net::IOBuffer;
46
47 namespace storage {
48 namespace {
49
50 const int kTestDiskCacheStreamIndex = 0;
51 const int kTestDiskCacheSideStreamIndex = 1;
52
53 // Our disk cache tests don't need a real data handle since the tests themselves
54 // scope the disk cache and entries.
55 class EmptyDataHandle : public storage::BlobDataBuilder::DataHandle {
56 private:
57 ~EmptyDataHandle() override {}
58 };
59
60 // A disk_cache::Entry that arbitrarily delays the completion of a read
61 // operation to allow testing some races without flake. This is particularly
62 // relevant in this unit test, which uses the always-synchronous MEMORY_CACHE.
63 class DelayedReadEntry : public disk_cache::Entry {
64 public:
65 explicit DelayedReadEntry(disk_cache::ScopedEntryPtr entry)
66 : entry_(std::move(entry)) {}
67 ~DelayedReadEntry() override { EXPECT_FALSE(HasPendingReadCallbacks()); }
68
69 bool HasPendingReadCallbacks() { return !pending_read_callbacks_.empty(); }
70
71 void RunPendingReadCallbacks() {
72 std::vector<base::Callback<void(void)>> callbacks;
73 pending_read_callbacks_.swap(callbacks);
74 for (const auto& callback : callbacks)
75 callback.Run();
76 }
77
78 // From disk_cache::Entry:
79 void Doom() override { entry_->Doom(); }
80
81 void Close() override { delete this; } // Note this is required by the API.
82
83 std::string GetKey() const override { return entry_->GetKey(); }
84
85 base::Time GetLastUsed() const override { return entry_->GetLastUsed(); }
86
87 base::Time GetLastModified() const override {
88 return entry_->GetLastModified();
89 }
90
91 int32_t GetDataSize(int index) const override {
92 return entry_->GetDataSize(index);
93 }
94
95 int ReadData(int index,
96 int offset,
97 IOBuffer* buf,
98 int buf_len,
99 const CompletionCallback& original_callback) override {
100 net::TestCompletionCallback callback;
101 int rv = entry_->ReadData(index, offset, buf, buf_len, callback.callback());
102 DCHECK_NE(rv, net::ERR_IO_PENDING)
103 << "Test expects to use a MEMORY_CACHE instance, which is synchronous.";
104 pending_read_callbacks_.push_back(base::Bind(original_callback, rv));
105 return net::ERR_IO_PENDING;
106 }
107
108 int WriteData(int index,
109 int offset,
110 IOBuffer* buf,
111 int buf_len,
112 const CompletionCallback& callback,
113 bool truncate) override {
114 return entry_->WriteData(index, offset, buf, buf_len, callback, truncate);
115 }
116
117 int ReadSparseData(int64_t offset,
118 IOBuffer* buf,
119 int buf_len,
120 const CompletionCallback& callback) override {
121 return entry_->ReadSparseData(offset, buf, buf_len, callback);
122 }
123
124 int WriteSparseData(int64_t offset,
125 IOBuffer* buf,
126 int buf_len,
127 const CompletionCallback& callback) override {
128 return entry_->WriteSparseData(offset, buf, buf_len, callback);
129 }
130
131 int GetAvailableRange(int64_t offset,
132 int len,
133 int64_t* start,
134 const CompletionCallback& callback) override {
135 return entry_->GetAvailableRange(offset, len, start, callback);
136 }
137
138 bool CouldBeSparse() const override { return entry_->CouldBeSparse(); }
139
140 void CancelSparseIO() override { entry_->CancelSparseIO(); }
141
142 int ReadyForSparseIO(const CompletionCallback& callback) override {
143 return entry_->ReadyForSparseIO(callback);
144 }
145
146 private:
147 disk_cache::ScopedEntryPtr entry_;
148 std::vector<base::Callback<void(void)>> pending_read_callbacks_;
149 };
150
151 std::unique_ptr<disk_cache::Backend> CreateInMemoryDiskCache(
152 const scoped_refptr<base::SingleThreadTaskRunner>& thread) {
153 std::unique_ptr<disk_cache::Backend> cache;
154 net::TestCompletionCallback callback;
155 int rv = disk_cache::CreateCacheBackend(
156 net::MEMORY_CACHE, net::CACHE_BACKEND_DEFAULT, FilePath(), 0, false,
157 thread, nullptr, &cache, callback.callback());
158 EXPECT_EQ(net::OK, callback.GetResult(rv));
159
160 return cache;
161 }
162
163 disk_cache::ScopedEntryPtr CreateDiskCacheEntry(disk_cache::Backend* cache,
164 const char* key,
165 const std::string& data) {
166 disk_cache::Entry* temp_entry = nullptr;
167 net::TestCompletionCallback callback;
168 int rv = cache->CreateEntry(key, &temp_entry, callback.callback());
169 if (callback.GetResult(rv) != net::OK)
170 return nullptr;
171 disk_cache::ScopedEntryPtr entry(temp_entry);
172
173 scoped_refptr<net::StringIOBuffer> iobuffer = new net::StringIOBuffer(data);
174 rv = entry->WriteData(kTestDiskCacheStreamIndex, 0, iobuffer.get(),
175 iobuffer->size(), callback.callback(), false);
176 EXPECT_EQ(static_cast<int>(data.size()), callback.GetResult(rv));
177 return entry;
178 }
179
180 disk_cache::ScopedEntryPtr CreateDiskCacheEntryWithSideData(
181 disk_cache::Backend* cache,
182 const char* key,
183 const std::string& data,
184 const std::string& side_data) {
185 disk_cache::ScopedEntryPtr entry = CreateDiskCacheEntry(cache, key, data);
186 scoped_refptr<net::StringIOBuffer> iobuffer =
187 new net::StringIOBuffer(side_data);
188 net::TestCompletionCallback callback;
189 int rv = entry->WriteData(kTestDiskCacheSideStreamIndex, 0, iobuffer.get(),
190 iobuffer->size(), callback.callback(), false);
191 EXPECT_EQ(static_cast<int>(side_data.size()), callback.GetResult(rv));
192 return entry;
193 }
194
195 template <typename T>
196 void SetValue(T* address, T value) {
197 *address = value;
198 }
199
200 class FakeFileStreamReader : public FileStreamReader {
201 public:
202 explicit FakeFileStreamReader(const std::string& contents)
203 : buffer_(new DrainableIOBuffer(
204 new net::StringIOBuffer(
205 std::unique_ptr<std::string>(new std::string(contents))),
206 contents.size())),
207 net_error_(net::OK),
208 size_(contents.size()) {}
209 FakeFileStreamReader(const std::string& contents, uint64_t size)
210 : buffer_(new DrainableIOBuffer(
211 new net::StringIOBuffer(
212 std::unique_ptr<std::string>(new std::string(contents))),
213 contents.size())),
214 net_error_(net::OK),
215 size_(size) {}
216
217 ~FakeFileStreamReader() override {}
218
219 void SetReturnError(int net_error) { net_error_ = net_error; }
220
221 void SetAsyncRunner(base::SingleThreadTaskRunner* runner) {
222 async_task_runner_ = runner;
223 }
224
225 int Read(net::IOBuffer* buf,
226 int buf_length,
227 const net::CompletionCallback& done) override {
228 DCHECK(buf);
229 // When async_task_runner_ is not set, return synchronously.
230 if (!async_task_runner_.get()) {
231 if (net_error_ == net::OK) {
232 return ReadImpl(buf, buf_length, net::CompletionCallback());
233 } else {
234 return net_error_;
235 }
236 }
237
238 // Otherwise always return asynchronously.
239 if (net_error_ == net::OK) {
240 async_task_runner_->PostTask(
241 FROM_HERE,
242 base::Bind(base::IgnoreResult(&FakeFileStreamReader::ReadImpl),
243 base::Unretained(this), make_scoped_refptr(buf),
244 buf_length, done));
245 } else {
246 async_task_runner_->PostTask(FROM_HERE, base::Bind(done, net_error_));
247 }
248 return net::ERR_IO_PENDING;
249 }
250
251 int64_t GetLength(
252 const net::Int64CompletionCallback& size_callback) override {
253 // When async_task_runner_ is not set, return synchronously.
254 if (!async_task_runner_.get()) {
255 if (net_error_ == net::OK) {
256 return size_;
257 } else {
258 return net_error_;
259 }
260 }
261 if (net_error_ == net::OK) {
262 async_task_runner_->PostTask(FROM_HERE, base::Bind(size_callback, size_));
263 } else {
264 async_task_runner_->PostTask(
265 FROM_HERE,
266 base::Bind(size_callback, static_cast<int64_t>(net_error_)));
267 }
268 return net::ERR_IO_PENDING;
269 }
270
271 private:
272 int ReadImpl(scoped_refptr<net::IOBuffer> buf,
273 int buf_length,
274 const net::CompletionCallback& done) {
275 CHECK_GE(buf_length, 0);
276 int length = std::min(buf_length, buffer_->BytesRemaining());
277 memcpy(buf->data(), buffer_->data(), length);
278 buffer_->DidConsume(length);
279 if (done.is_null()) {
280 return length;
281 }
282 done.Run(length);
283 return net::ERR_IO_PENDING;
284 }
285
286 scoped_refptr<net::DrainableIOBuffer> buffer_;
287 scoped_refptr<base::SingleThreadTaskRunner> async_task_runner_;
288 int net_error_;
289 uint64_t size_;
290
291 DISALLOW_COPY_AND_ASSIGN(FakeFileStreamReader);
292 };
293
294 class MockFileStreamReaderProvider
295 : public BlobReader::FileStreamReaderProvider {
296 public:
297 ~MockFileStreamReaderProvider() override {}
298
299 MOCK_METHOD4(CreateForLocalFileMock,
300 FileStreamReader*(base::TaskRunner* task_runner,
301 const FilePath& file_path,
302 int64_t initial_offset,
303 const base::Time& expected_modification_time));
304 MOCK_METHOD4(CreateFileStreamReaderMock,
305 FileStreamReader*(const GURL& filesystem_url,
306 int64_t offset,
307 int64_t max_bytes_to_read,
308 const base::Time& expected_modification_time));
309 // Since we're returning a move-only type, we have to do some delegation for
310 // gmock.
311 std::unique_ptr<FileStreamReader> CreateForLocalFile(
312 base::TaskRunner* task_runner,
313 const base::FilePath& file_path,
314 int64_t initial_offset,
315 const base::Time& expected_modification_time) override {
316 return base::WrapUnique(CreateForLocalFileMock(
317 task_runner, file_path, initial_offset, expected_modification_time));
318 }
319
320 std::unique_ptr<FileStreamReader> CreateFileStreamReader(
321 const GURL& filesystem_url,
322 int64_t offset,
323 int64_t max_bytes_to_read,
324 const base::Time& expected_modification_time) override {
325 return base::WrapUnique(CreateFileStreamReaderMock(
326 filesystem_url, offset, max_bytes_to_read, expected_modification_time));
327 }
328 };
329
330 } // namespace
331
332 class BlobReaderTest : public ::testing::Test {
333 public:
334 BlobReaderTest() {}
335 ~BlobReaderTest() override {}
336
337 void TearDown() override {
338 reader_.reset();
339 blob_handle_.reset();
340 message_loop_.RunUntilIdle();
341 base::RunLoop().RunUntilIdle();
342 }
343
344 protected:
345 void InitializeReader(BlobDataBuilder* builder) {
346 blob_handle_ = builder ? context_.AddFinishedBlob(builder) : nullptr;
347 provider_ = new MockFileStreamReaderProvider();
348 reader_.reset(new BlobReader(blob_handle_.get(),
349 base::WrapUnique(provider_),
350 message_loop_.task_runner().get()));
351 }
352
353 // Takes ownership of the file reader (the blob reader takes ownership).
354 void ExpectLocalFileCall(const FilePath& file_path,
355 base::Time modification_time,
356 uint64_t initial_offset,
357 FakeFileStreamReader* reader) {
358 EXPECT_CALL(*provider_, CreateForLocalFileMock(
359 message_loop_.task_runner().get(), file_path,
360 initial_offset, modification_time))
361 .WillOnce(testing::Return(reader));
362 }
363
364 // Takes ownership of the file reader (the blob reader takes ownership).
365 void ExpectFileSystemCall(const GURL& filesystem_url,
366 int64_t offset,
367 int64_t max_bytes_to_read,
368 base::Time expected_modification_time,
369 FakeFileStreamReader* reader) {
370 EXPECT_CALL(*provider_, CreateFileStreamReaderMock(
371 filesystem_url, offset, max_bytes_to_read,
372 expected_modification_time))
373 .WillOnce(testing::Return(reader));
374 }
375
376 void CheckSizeCalculatedSynchronously(size_t expected_size, int async_size) {
377 EXPECT_EQ(-1, async_size);
378 EXPECT_EQ(net::OK, reader_->net_error());
379 EXPECT_EQ(expected_size, reader_->total_size());
380 EXPECT_TRUE(reader_->total_size_calculated());
381 }
382
383 void CheckSizeNotCalculatedYet(int async_size) {
384 EXPECT_EQ(-1, async_size);
385 EXPECT_EQ(net::OK, reader_->net_error());
386 EXPECT_FALSE(reader_->total_size_calculated());
387 }
388
389 void CheckSizeCalculatedAsynchronously(size_t expected_size,
390 int async_result) {
391 EXPECT_EQ(net::OK, async_result);
392 EXPECT_EQ(net::OK, reader_->net_error());
393 EXPECT_EQ(expected_size, reader_->total_size());
394 EXPECT_TRUE(reader_->total_size_calculated());
395 }
396
397 scoped_refptr<net::IOBuffer> CreateBuffer(uint64_t size) {
398 return scoped_refptr<net::IOBuffer>(
399 new net::IOBuffer(static_cast<size_t>(size)));
400 }
401
402 bool IsReaderTotalSizeCalculated() {
403 return reader_->total_size_calculated();
404 }
405
406 BlobStorageContext context_;
407 std::unique_ptr<BlobDataHandle> blob_handle_;
408 MockFileStreamReaderProvider* provider_ = nullptr;
409 base::MessageLoop message_loop_;
410 std::unique_ptr<BlobReader> reader_;
411
412 private:
413 DISALLOW_COPY_AND_ASSIGN(BlobReaderTest);
414 };
415
416 TEST_F(BlobReaderTest, BasicMemory) {
417 BlobDataBuilder b("uuid");
418 const std::string kData("Hello!!!");
419 const size_t kDataSize = 8ul;
420 b.AppendData(kData);
421 this->InitializeReader(&b);
422
423 int size_result = -1;
424 EXPECT_FALSE(IsReaderTotalSizeCalculated());
425 EXPECT_EQ(BlobReader::Status::DONE,
426 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
427 CheckSizeCalculatedSynchronously(kDataSize, size_result);
428
429 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kDataSize));
430
431 int bytes_read = 0;
432 int async_bytes_read = 0;
433 EXPECT_EQ(BlobReader::Status::DONE,
434 reader_->Read(buffer.get(), kDataSize, &bytes_read,
435 base::Bind(&SetValue<int>, &async_bytes_read)));
436 EXPECT_EQ(net::OK, reader_->net_error());
437 EXPECT_EQ(kDataSize, static_cast<size_t>(bytes_read));
438 EXPECT_EQ(0, async_bytes_read);
439 EXPECT_EQ(0, memcmp(buffer->data(), "Hello!!!", kDataSize));
440 }
441
442 TEST_F(BlobReaderTest, BasicFile) {
443 BlobDataBuilder b("uuid");
444 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt");
445 const std::string kData = "FileData!!!";
446 const base::Time kTime = base::Time::Now();
447 b.AppendFile(kPath, 0, kData.size(), kTime);
448 this->InitializeReader(&b);
449
450 // Non-async reader.
451 ExpectLocalFileCall(kPath, kTime, 0, new FakeFileStreamReader(kData));
452
453 int size_result = -1;
454 EXPECT_FALSE(IsReaderTotalSizeCalculated());
455 EXPECT_EQ(BlobReader::Status::DONE,
456 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
457 CheckSizeCalculatedSynchronously(kData.size(), size_result);
458
459 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size()));
460
461 int bytes_read = 0;
462 int async_bytes_read = 0;
463 EXPECT_EQ(BlobReader::Status::DONE,
464 reader_->Read(buffer.get(), kData.size(), &bytes_read,
465 base::Bind(&SetValue<int>, &async_bytes_read)));
466 EXPECT_EQ(net::OK, reader_->net_error());
467 EXPECT_EQ(kData.size(), static_cast<size_t>(bytes_read));
468 EXPECT_EQ(0, async_bytes_read);
469 EXPECT_EQ(0, memcmp(buffer->data(), "FileData!!!", kData.size()));
470 }
471
472 TEST_F(BlobReaderTest, BasicFileSystem) {
473 BlobDataBuilder b("uuid");
474 const GURL kURL("file://test_file/here.txt");
475 const std::string kData = "FileData!!!";
476 const base::Time kTime = base::Time::Now();
477 b.AppendFileSystemFile(kURL, 0, kData.size(), kTime);
478 this->InitializeReader(&b);
479
480 // Non-async reader.
481 ExpectFileSystemCall(kURL, 0, kData.size(), kTime,
482 new FakeFileStreamReader(kData));
483
484 int size_result = -1;
485 EXPECT_FALSE(IsReaderTotalSizeCalculated());
486 EXPECT_EQ(BlobReader::Status::DONE,
487 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
488 CheckSizeCalculatedSynchronously(kData.size(), size_result);
489
490 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size()));
491
492 int bytes_read = 0;
493 int async_bytes_read = 0;
494 EXPECT_EQ(BlobReader::Status::DONE,
495 reader_->Read(buffer.get(), kData.size(), &bytes_read,
496 base::Bind(&SetValue<int>, &async_bytes_read)));
497 EXPECT_EQ(net::OK, reader_->net_error());
498 EXPECT_EQ(kData.size(), static_cast<size_t>(bytes_read));
499 EXPECT_EQ(0, async_bytes_read);
500 EXPECT_EQ(0, memcmp(buffer->data(), "FileData!!!", kData.size()));
501 }
502
503 TEST_F(BlobReaderTest, BasicDiskCache) {
504 std::unique_ptr<disk_cache::Backend> cache =
505 CreateInMemoryDiskCache(message_loop_.task_runner());
506 ASSERT_TRUE(cache);
507
508 BlobDataBuilder b("uuid");
509 const std::string kData = "Test Blob Data";
510 scoped_refptr<BlobDataBuilder::DataHandle> data_handle =
511 new EmptyDataHandle();
512 disk_cache::ScopedEntryPtr entry =
513 CreateDiskCacheEntry(cache.get(), "test entry", kData);
514 b.AppendDiskCacheEntry(data_handle, entry.get(), kTestDiskCacheStreamIndex);
515 this->InitializeReader(&b);
516
517 int size_result = -1;
518 EXPECT_FALSE(IsReaderTotalSizeCalculated());
519 EXPECT_EQ(BlobReader::Status::DONE,
520 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
521 CheckSizeCalculatedSynchronously(kData.size(), size_result);
522
523 EXPECT_FALSE(reader_->has_side_data());
524
525 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size()));
526
527 int bytes_read = 0;
528 int async_bytes_read = 0;
529 EXPECT_EQ(BlobReader::Status::DONE,
530 reader_->Read(buffer.get(), kData.size(), &bytes_read,
531 base::Bind(&SetValue<int>, &async_bytes_read)));
532 EXPECT_EQ(net::OK, reader_->net_error());
533 EXPECT_EQ(kData.size(), static_cast<size_t>(bytes_read));
534 EXPECT_EQ(0, async_bytes_read);
535 EXPECT_EQ(0, memcmp(buffer->data(), "Test Blob Data", kData.size()));
536 }
537
538 TEST_F(BlobReaderTest, DiskCacheWithSideData) {
539 std::unique_ptr<disk_cache::Backend> cache =
540 CreateInMemoryDiskCache(message_loop_.task_runner());
541 ASSERT_TRUE(cache);
542
543 BlobDataBuilder b("uuid");
544 const std::string kData = "Test Blob Data";
545 const std::string kSideData = "Test side data";
546 scoped_refptr<BlobDataBuilder::DataHandle> data_handle =
547 new EmptyDataHandle();
548 disk_cache::ScopedEntryPtr entry = CreateDiskCacheEntryWithSideData(
549 cache.get(), "test entry", kData, kSideData);
550 b.AppendDiskCacheEntryWithSideData(data_handle, entry.get(),
551 kTestDiskCacheStreamIndex,
552 kTestDiskCacheSideStreamIndex);
553 this->InitializeReader(&b);
554
555 int size_result = -1;
556 EXPECT_FALSE(IsReaderTotalSizeCalculated());
557 EXPECT_EQ(BlobReader::Status::DONE,
558 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
559 CheckSizeCalculatedSynchronously(kData.size(), size_result);
560
561 EXPECT_TRUE(reader_->has_side_data());
562 BlobReader::Status status = BlobReader::Status::DONE;
563 EXPECT_EQ(BlobReader::Status::DONE,
564 reader_->ReadSideData(
565 base::Bind(&SetValue<BlobReader::Status>, &status)));
566 EXPECT_EQ(net::OK, reader_->net_error());
567 EXPECT_TRUE(reader_->side_data());
568 std::string result(reader_->side_data()->data(),
569 reader_->side_data()->size());
570 EXPECT_EQ(kSideData, result);
571 }
572
573 TEST_F(BlobReaderTest, BufferLargerThanMemory) {
574 BlobDataBuilder b("uuid");
575 const std::string kData("Hello!!!");
576 const size_t kDataSize = 8ul;
577 const size_t kBufferSize = 10ul;
578 b.AppendData(kData);
579 this->InitializeReader(&b);
580
581 int size_result = -1;
582 EXPECT_FALSE(IsReaderTotalSizeCalculated());
583 EXPECT_EQ(BlobReader::Status::DONE,
584 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
585 CheckSizeCalculatedSynchronously(kData.size(), size_result);
586
587 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kBufferSize));
588
589 int bytes_read = 0;
590 int async_bytes_read = 0;
591 EXPECT_EQ(BlobReader::Status::DONE,
592 reader_->Read(buffer.get(), kBufferSize, &bytes_read,
593 base::Bind(&SetValue<int>, &async_bytes_read)));
594 EXPECT_EQ(net::OK, reader_->net_error());
595 EXPECT_EQ(kDataSize, static_cast<size_t>(bytes_read));
596 EXPECT_EQ(0, async_bytes_read);
597 EXPECT_EQ(0, memcmp(buffer->data(), "Hello!!!", kDataSize));
598 }
599
600 TEST_F(BlobReaderTest, MemoryRange) {
601 BlobDataBuilder b("uuid");
602 const std::string kData("Hello!!!");
603 const size_t kDataSize = 8ul;
604 const size_t kSeekOffset = 2ul;
605 const uint64_t kReadLength = 4ull;
606 b.AppendData(kData);
607 this->InitializeReader(&b);
608
609 int size_result = -1;
610 EXPECT_FALSE(IsReaderTotalSizeCalculated());
611 EXPECT_EQ(BlobReader::Status::DONE,
612 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
613 CheckSizeCalculatedSynchronously(kData.size(), size_result);
614
615 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kReadLength);
616
617 reader_->SetReadRange(kSeekOffset, kReadLength);
618 int bytes_read = 0;
619 int async_bytes_read = 0;
620 EXPECT_EQ(BlobReader::Status::DONE,
621 reader_->Read(buffer.get(), kDataSize - kSeekOffset, &bytes_read,
622 base::Bind(&SetValue<int>, &async_bytes_read)));
623 EXPECT_EQ(net::OK, reader_->net_error());
624 EXPECT_EQ(kReadLength, static_cast<size_t>(bytes_read));
625 EXPECT_EQ(0, async_bytes_read);
626 EXPECT_EQ(0, memcmp(buffer->data(), "llo!", kReadLength));
627 }
628
629 TEST_F(BlobReaderTest, BufferSmallerThanMemory) {
630 BlobDataBuilder b("uuid");
631 const std::string kData("Hello!!!");
632 const size_t kBufferSize = 4ul;
633 b.AppendData(kData);
634 this->InitializeReader(&b);
635
636 int size_result = -1;
637 EXPECT_FALSE(IsReaderTotalSizeCalculated());
638 EXPECT_EQ(BlobReader::Status::DONE,
639 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
640 CheckSizeCalculatedSynchronously(kData.size(), size_result);
641
642 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kBufferSize));
643
644 int bytes_read = 0;
645 int async_bytes_read = 0;
646 EXPECT_EQ(BlobReader::Status::DONE,
647 reader_->Read(buffer.get(), kBufferSize, &bytes_read,
648 base::Bind(&SetValue<int>, &async_bytes_read)));
649 EXPECT_EQ(net::OK, reader_->net_error());
650 EXPECT_EQ(kBufferSize, static_cast<size_t>(bytes_read));
651 EXPECT_EQ(0, async_bytes_read);
652 EXPECT_EQ(0, memcmp(buffer->data(), "Hell", kBufferSize));
653
654 bytes_read = 0;
655 EXPECT_EQ(BlobReader::Status::DONE,
656 reader_->Read(buffer.get(), kBufferSize, &bytes_read,
657 base::Bind(&SetValue<int>, &async_bytes_read)));
658 EXPECT_EQ(net::OK, reader_->net_error());
659 EXPECT_EQ(kBufferSize, static_cast<size_t>(bytes_read));
660 EXPECT_EQ(0, async_bytes_read);
661 EXPECT_EQ(0, memcmp(buffer->data(), "o!!!", kBufferSize));
662 }
663
664 TEST_F(BlobReaderTest, SegmentedBufferAndMemory) {
665 BlobDataBuilder b("uuid");
666 const size_t kNumItems = 10;
667 const size_t kItemSize = 6;
668 const size_t kBufferSize = 10;
669 const size_t kTotalSize = kNumItems * kItemSize;
670 char current_value = 0;
671 for (size_t i = 0; i < kNumItems; i++) {
672 char buf[kItemSize];
673 for (size_t j = 0; j < kItemSize; j++) {
674 buf[j] = current_value++;
675 }
676 b.AppendData(buf, kItemSize);
677 }
678 this->InitializeReader(&b);
679
680 int size_result = -1;
681 EXPECT_FALSE(IsReaderTotalSizeCalculated());
682 EXPECT_EQ(BlobReader::Status::DONE,
683 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
684 CheckSizeCalculatedSynchronously(kTotalSize, size_result);
685
686 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kBufferSize));
687
688 current_value = 0;
689 for (size_t i = 0; i < kTotalSize / kBufferSize; i++) {
690 int bytes_read = 0;
691 int async_bytes_read = 0;
692 EXPECT_EQ(BlobReader::Status::DONE,
693 reader_->Read(buffer.get(), kBufferSize, &bytes_read,
694 base::Bind(&SetValue<int>, &async_bytes_read)));
695 EXPECT_EQ(net::OK, reader_->net_error());
696 EXPECT_EQ(kBufferSize, static_cast<size_t>(bytes_read));
697 EXPECT_EQ(0, async_bytes_read);
698 for (size_t j = 0; j < kBufferSize; j++) {
699 EXPECT_EQ(current_value, buffer->data()[j]);
700 current_value++;
701 }
702 }
703 }
704
705 TEST_F(BlobReaderTest, FileAsync) {
706 BlobDataBuilder b("uuid");
707 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt");
708 const std::string kData = "FileData!!!";
709 const base::Time kTime = base::Time::Now();
710 b.AppendFile(kPath, 0, kData.size(), kTime);
711 this->InitializeReader(&b);
712
713 std::unique_ptr<FakeFileStreamReader> reader(new FakeFileStreamReader(kData));
714 reader->SetAsyncRunner(message_loop_.task_runner().get());
715
716 ExpectLocalFileCall(kPath, kTime, 0, reader.release());
717
718 int size_result = -1;
719 EXPECT_FALSE(IsReaderTotalSizeCalculated());
720 EXPECT_EQ(BlobReader::Status::IO_PENDING,
721 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
722 CheckSizeNotCalculatedYet(size_result);
723 message_loop_.RunUntilIdle();
724 CheckSizeCalculatedAsynchronously(kData.size(), size_result);
725
726 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size()));
727
728 int bytes_read = 0;
729 int async_bytes_read = 0;
730 EXPECT_EQ(BlobReader::Status::IO_PENDING,
731 reader_->Read(buffer.get(), kData.size(), &bytes_read,
732 base::Bind(&SetValue<int>, &async_bytes_read)));
733 message_loop_.RunUntilIdle();
734 EXPECT_EQ(net::OK, reader_->net_error());
735 EXPECT_EQ(kData.size(), static_cast<size_t>(async_bytes_read));
736 EXPECT_EQ(0, bytes_read);
737 EXPECT_EQ(0, memcmp(buffer->data(), "FileData!!!", kData.size()));
738 }
739
740 TEST_F(BlobReaderTest, FileSystemAsync) {
741 BlobDataBuilder b("uuid");
742 const GURL kURL("file://test_file/here.txt");
743 const std::string kData = "FileData!!!";
744 const base::Time kTime = base::Time::Now();
745 b.AppendFileSystemFile(kURL, 0, kData.size(), kTime);
746 this->InitializeReader(&b);
747
748 std::unique_ptr<FakeFileStreamReader> reader(new FakeFileStreamReader(kData));
749 reader->SetAsyncRunner(message_loop_.task_runner().get());
750
751 ExpectFileSystemCall(kURL, 0, kData.size(), kTime, reader.release());
752
753 int size_result = -1;
754 EXPECT_FALSE(IsReaderTotalSizeCalculated());
755 EXPECT_EQ(BlobReader::Status::IO_PENDING,
756 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
757 CheckSizeNotCalculatedYet(size_result);
758 message_loop_.RunUntilIdle();
759 CheckSizeCalculatedAsynchronously(kData.size(), size_result);
760
761 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size()));
762
763 int bytes_read = 0;
764 int async_bytes_read = 0;
765 EXPECT_EQ(BlobReader::Status::IO_PENDING,
766 reader_->Read(buffer.get(), kData.size(), &bytes_read,
767 base::Bind(&SetValue<int>, &async_bytes_read)));
768 message_loop_.RunUntilIdle();
769 EXPECT_EQ(net::OK, reader_->net_error());
770 EXPECT_EQ(kData.size(), static_cast<size_t>(async_bytes_read));
771 EXPECT_EQ(0, bytes_read);
772 EXPECT_EQ(0, memcmp(buffer->data(), "FileData!!!", kData.size()));
773 }
774
775 TEST_F(BlobReaderTest, DiskCacheAsync) {
776 std::unique_ptr<disk_cache::Backend> cache =
777 CreateInMemoryDiskCache(message_loop_.task_runner());
778 ASSERT_TRUE(cache);
779
780 BlobDataBuilder b("uuid");
781 const std::string kData = "Test Blob Data";
782 scoped_refptr<BlobDataBuilder::DataHandle> data_handle =
783 new EmptyDataHandle();
784 std::unique_ptr<DelayedReadEntry> delayed_read_entry(new DelayedReadEntry(
785 CreateDiskCacheEntry(cache.get(), "test entry", kData)));
786 b.AppendDiskCacheEntry(data_handle, delayed_read_entry.get(),
787 kTestDiskCacheStreamIndex);
788 this->InitializeReader(&b);
789
790 int size_result = -1;
791 EXPECT_FALSE(IsReaderTotalSizeCalculated());
792 EXPECT_EQ(BlobReader::Status::DONE,
793 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
794 CheckSizeCalculatedSynchronously(kData.size(), size_result);
795
796 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size()));
797
798 int bytes_read = 0;
799 int async_bytes_read = 0;
800 EXPECT_EQ(BlobReader::Status::IO_PENDING,
801 reader_->Read(buffer.get(), kData.size(), &bytes_read,
802 base::Bind(&SetValue<int>, &async_bytes_read)));
803 EXPECT_TRUE(delayed_read_entry->HasPendingReadCallbacks());
804 delayed_read_entry->RunPendingReadCallbacks();
805 EXPECT_EQ(net::OK, reader_->net_error());
806 EXPECT_EQ(0, bytes_read);
807 EXPECT_EQ(kData.size(), static_cast<size_t>(async_bytes_read));
808 EXPECT_EQ(0, memcmp(buffer->data(), "Test Blob Data", kData.size()));
809 }
810
811 TEST_F(BlobReaderTest, FileRange) {
812 BlobDataBuilder b("uuid");
813 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt");
814 // We check the offset in the ExpectLocalFileCall mock.
815 const std::string kRangeData = "leD";
816 const std::string kData = "FileData!!!";
817 const uint64_t kOffset = 2;
818 const uint64_t kReadLength = 3;
819 const base::Time kTime = base::Time::Now();
820 b.AppendFile(kPath, 0, kData.size(), kTime);
821 this->InitializeReader(&b);
822
823 std::unique_ptr<FakeFileStreamReader> reader(new FakeFileStreamReader(kData));
824 reader->SetAsyncRunner(message_loop_.task_runner().get());
825 ExpectLocalFileCall(kPath, kTime, 0, reader.release());
826
827 // We create the reader again with the offset after the seek.
828 reader.reset(new FakeFileStreamReader(kRangeData));
829 reader->SetAsyncRunner(message_loop_.task_runner().get());
830 ExpectLocalFileCall(kPath, kTime, kOffset, reader.release());
831
832 int size_result = -1;
833 EXPECT_EQ(BlobReader::Status::IO_PENDING,
834 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
835 message_loop_.RunUntilIdle();
836
837 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kReadLength);
838 EXPECT_EQ(BlobReader::Status::DONE,
839 reader_->SetReadRange(kOffset, kReadLength));
840
841 int bytes_read = 0;
842 int async_bytes_read = 0;
843 EXPECT_EQ(BlobReader::Status::IO_PENDING,
844 reader_->Read(buffer.get(), kReadLength, &bytes_read,
845 base::Bind(&SetValue<int>, &async_bytes_read)));
846 message_loop_.RunUntilIdle();
847 EXPECT_EQ(net::OK, reader_->net_error());
848 EXPECT_EQ(kReadLength, static_cast<size_t>(async_bytes_read));
849 EXPECT_EQ(0, bytes_read);
850 EXPECT_EQ(0, memcmp(buffer->data(), "leD", kReadLength));
851 }
852
853 TEST_F(BlobReaderTest, DiskCacheRange) {
854 std::unique_ptr<disk_cache::Backend> cache =
855 CreateInMemoryDiskCache(message_loop_.task_runner());
856 ASSERT_TRUE(cache);
857
858 BlobDataBuilder b("uuid");
859 const std::string kData = "Test Blob Data";
860 const uint64_t kOffset = 2;
861 const uint64_t kReadLength = 3;
862 scoped_refptr<BlobDataBuilder::DataHandle> data_handle =
863 new EmptyDataHandle();
864 disk_cache::ScopedEntryPtr entry =
865 CreateDiskCacheEntry(cache.get(), "test entry", kData);
866 b.AppendDiskCacheEntry(data_handle, entry.get(), kTestDiskCacheStreamIndex);
867 this->InitializeReader(&b);
868
869 int size_result = -1;
870 EXPECT_EQ(BlobReader::Status::DONE,
871 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
872
873 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kReadLength);
874 EXPECT_EQ(BlobReader::Status::DONE,
875 reader_->SetReadRange(kOffset, kReadLength));
876
877 int bytes_read = 0;
878 int async_bytes_read = 0;
879 EXPECT_EQ(BlobReader::Status::DONE,
880 reader_->Read(buffer.get(), kReadLength, &bytes_read,
881 base::Bind(&SetValue<int>, &async_bytes_read)));
882 EXPECT_EQ(net::OK, reader_->net_error());
883 EXPECT_EQ(kReadLength, static_cast<size_t>(bytes_read));
884 EXPECT_EQ(0, async_bytes_read);
885 EXPECT_EQ(0, memcmp(buffer->data(), "st ", kReadLength));
886 }
887
888 TEST_F(BlobReaderTest, FileSomeAsyncSegmentedOffsetsUnknownSizes) {
889 // This tests includes:
890 // * Unknown file sizes (item length of uint64_t::max) for every other item.
891 // * Offsets for every 3rd file item.
892 // * Non-async reader for every 4th file item.
893 BlobDataBuilder b("uuid");
894 const FilePath kPathBase = FilePath::FromUTF8Unsafe("/fake/file.txt");
895 const base::Time kTime = base::Time::Now();
896 const size_t kNumItems = 10;
897 const size_t kItemSize = 6;
898 const size_t kBufferSize = 10;
899 const size_t kTotalSize = kNumItems * kItemSize;
900 char current_value = 0;
901 // Create blob and reader.
902 for (size_t i = 0; i < kNumItems; i++) {
903 current_value += kItemSize;
904 FilePath path = kPathBase.Append(
905 FilePath::FromUTF8Unsafe(base::StringPrintf("%d", current_value)));
906 uint64_t offset = i % 3 == 0 ? 1 : 0;
907 uint64_t size =
908 i % 2 == 0 ? kItemSize : std::numeric_limits<uint64_t>::max();
909 b.AppendFile(path, offset, size, kTime);
910 }
911 this->InitializeReader(&b);
912
913 // Set expectations.
914 current_value = 0;
915 for (size_t i = 0; i < kNumItems; i++) {
916 uint64_t offset = i % 3 == 0 ? 1 : 0;
917 std::unique_ptr<char[]> buf(new char[kItemSize + offset]);
918 if (offset > 0) {
919 memset(buf.get(), 7, offset);
920 }
921 for (size_t j = 0; j < kItemSize; j++) {
922 buf.get()[j + offset] = current_value++;
923 }
924 std::unique_ptr<FakeFileStreamReader> reader(new FakeFileStreamReader(
925 std::string(buf.get() + offset, kItemSize), kItemSize + offset));
926 if (i % 4 != 0) {
927 reader->SetAsyncRunner(message_loop_.task_runner().get());
928 }
929 FilePath path = kPathBase.Append(
930 FilePath::FromUTF8Unsafe(base::StringPrintf("%d", current_value)));
931 ExpectLocalFileCall(path, kTime, offset, reader.release());
932 }
933
934 int size_result = -1;
935 EXPECT_FALSE(IsReaderTotalSizeCalculated());
936 EXPECT_EQ(BlobReader::Status::IO_PENDING,
937 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
938 CheckSizeNotCalculatedYet(size_result);
939 message_loop_.RunUntilIdle();
940 CheckSizeCalculatedAsynchronously(kTotalSize, size_result);
941
942 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kBufferSize));
943
944 current_value = 0;
945 for (size_t i = 0; i < kTotalSize / kBufferSize; i++) {
946 int bytes_read = 0;
947 int async_bytes_read = 0;
948 EXPECT_EQ(BlobReader::Status::IO_PENDING,
949 reader_->Read(buffer.get(), kBufferSize, &bytes_read,
950 base::Bind(&SetValue<int>, &async_bytes_read)));
951 message_loop_.RunUntilIdle();
952 EXPECT_EQ(net::OK, reader_->net_error());
953 EXPECT_EQ(0, bytes_read);
954 EXPECT_EQ(kBufferSize, static_cast<size_t>(async_bytes_read));
955 for (size_t j = 0; j < kBufferSize; j++) {
956 EXPECT_EQ(current_value, buffer->data()[j]);
957 current_value++;
958 }
959 }
960 }
961
962 TEST_F(BlobReaderTest, MixedContent) {
963 // Includes data, a file, and a disk cache entry.
964 std::unique_ptr<disk_cache::Backend> cache =
965 CreateInMemoryDiskCache(message_loop_.task_runner());
966 ASSERT_TRUE(cache);
967
968 BlobDataBuilder b("uuid");
969 const std::string kData1("Hello ");
970 const std::string kData2("there. ");
971 const std::string kData3("This ");
972 const std::string kData4("is multi-content.");
973 const uint64_t kDataSize = 35;
974
975 const base::Time kTime = base::Time::Now();
976 const FilePath kData1Path = FilePath::FromUTF8Unsafe("/fake/file.txt");
977
978 disk_cache::ScopedEntryPtr entry3 =
979 CreateDiskCacheEntry(cache.get(), "test entry", kData3);
980
981 b.AppendFile(kData1Path, 0, kData1.size(), kTime);
982 b.AppendData(kData2);
983 b.AppendDiskCacheEntry(
984 scoped_refptr<BlobDataBuilder::DataHandle>(new EmptyDataHandle()),
985 entry3.get(), kTestDiskCacheStreamIndex);
986 b.AppendData(kData4);
987
988 this->InitializeReader(&b);
989
990 std::unique_ptr<FakeFileStreamReader> reader(
991 new FakeFileStreamReader(kData1));
992 reader->SetAsyncRunner(message_loop_.task_runner().get());
993 ExpectLocalFileCall(kData1Path, kTime, 0, reader.release());
994
995 int size_result = -1;
996 EXPECT_FALSE(IsReaderTotalSizeCalculated());
997 EXPECT_EQ(BlobReader::Status::IO_PENDING,
998 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
999 CheckSizeNotCalculatedYet(size_result);
1000 message_loop_.RunUntilIdle();
1001 CheckSizeCalculatedAsynchronously(kDataSize, size_result);
1002
1003 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kDataSize);
1004
1005 int bytes_read = 0;
1006 int async_bytes_read = 0;
1007 EXPECT_EQ(BlobReader::Status::IO_PENDING,
1008 reader_->Read(buffer.get(), kDataSize, &bytes_read,
1009 base::Bind(&SetValue<int>, &async_bytes_read)));
1010 EXPECT_EQ(0, async_bytes_read);
1011 message_loop_.RunUntilIdle();
1012 EXPECT_EQ(net::OK, reader_->net_error());
1013 EXPECT_EQ(0, bytes_read);
1014 EXPECT_EQ(kDataSize, static_cast<size_t>(async_bytes_read));
1015 EXPECT_EQ(0, memcmp(buffer->data(), "Hello there. This is multi-content.",
1016 kDataSize));
1017 }
1018
1019 TEST_F(BlobReaderTest, StateErrors) {
1020 // Test common variables
1021 int bytes_read = -1;
1022 int async_bytes_read = -1;
1023 int size_result = -1;
1024 const std::string kData("Hello!!!");
1025
1026 // Case: Blob handle is a nullptr.
1027 InitializeReader(nullptr);
1028 EXPECT_EQ(BlobReader::Status::NET_ERROR,
1029 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
1030 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
1031 EXPECT_EQ(BlobReader::Status::NET_ERROR, reader_->SetReadRange(0, 10));
1032 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
1033 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(10);
1034 EXPECT_EQ(BlobReader::Status::NET_ERROR,
1035 reader_->Read(buffer.get(), 10, &bytes_read,
1036 base::Bind(&SetValue<int>, &async_bytes_read)));
1037 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
1038
1039 // Case: Not calling CalculateSize before SetReadRange.
1040 BlobDataBuilder builder1("uuid1");
1041 builder1.AppendData(kData);
1042 InitializeReader(&builder1);
1043 EXPECT_EQ(BlobReader::Status::NET_ERROR, reader_->SetReadRange(0, 10));
1044 EXPECT_EQ(net::ERR_FAILED, reader_->net_error());
1045 EXPECT_EQ(BlobReader::Status::NET_ERROR,
1046 reader_->Read(buffer.get(), 10, &bytes_read,
1047 base::Bind(&SetValue<int>, &async_bytes_read)));
1048
1049 // Case: Not calling CalculateSize before Read.
1050 BlobDataBuilder builder2("uuid2");
1051 builder2.AppendData(kData);
1052 InitializeReader(&builder2);
1053 EXPECT_EQ(BlobReader::Status::NET_ERROR,
1054 reader_->Read(buffer.get(), 10, &bytes_read,
1055 base::Bind(&SetValue<int>, &async_bytes_read)));
1056 }
1057
1058 TEST_F(BlobReaderTest, FileErrorsSync) {
1059 int size_result = -1;
1060 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt");
1061 const std::string kData = "FileData!!!";
1062 const base::Time kTime = base::Time::Now();
1063
1064 // Case: Error on length query.
1065 BlobDataBuilder builder1("uuid1");
1066 builder1.AppendFile(kPath, 0, kData.size(), kTime);
1067 this->InitializeReader(&builder1);
1068 FakeFileStreamReader* reader = new FakeFileStreamReader(kData);
1069 reader->SetReturnError(net::ERR_FILE_NOT_FOUND);
1070 ExpectLocalFileCall(kPath, kTime, 0, reader);
1071
1072 EXPECT_EQ(BlobReader::Status::NET_ERROR,
1073 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
1074 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
1075
1076 // Case: Error on read.
1077 BlobDataBuilder builder2("uuid2");
1078 builder2.AppendFile(kPath, 0, kData.size(), kTime);
1079 this->InitializeReader(&builder2);
1080 reader = new FakeFileStreamReader(kData);
1081 ExpectLocalFileCall(kPath, kTime, 0, reader);
1082 EXPECT_EQ(BlobReader::Status::DONE,
1083 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
1084 reader->SetReturnError(net::ERR_FILE_NOT_FOUND);
1085
1086 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size()));
1087 int bytes_read = 0;
1088 int async_bytes_read = 0;
1089 EXPECT_EQ(BlobReader::Status::NET_ERROR,
1090 reader_->Read(buffer.get(), kData.size(), &bytes_read,
1091 base::Bind(&SetValue<int>, &async_bytes_read)));
1092 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
1093 }
1094
1095 TEST_F(BlobReaderTest, FileErrorsAsync) {
1096 int size_result = -1;
1097 const FilePath kPath = FilePath::FromUTF8Unsafe("/fake/file.txt");
1098 const std::string kData = "FileData!!!";
1099 const base::Time kTime = base::Time::Now();
1100
1101 // Case: Error on length query.
1102 BlobDataBuilder builder1("uuid1");
1103 builder1.AppendFile(kPath, 0, kData.size(), kTime);
1104 this->InitializeReader(&builder1);
1105 FakeFileStreamReader* reader = new FakeFileStreamReader(kData);
1106 reader->SetAsyncRunner(message_loop_.task_runner().get());
1107 reader->SetReturnError(net::ERR_FILE_NOT_FOUND);
1108 ExpectLocalFileCall(kPath, kTime, 0, reader);
1109
1110 EXPECT_EQ(BlobReader::Status::IO_PENDING,
1111 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
1112 EXPECT_EQ(net::OK, reader_->net_error());
1113 message_loop_.RunUntilIdle();
1114 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, size_result);
1115 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
1116
1117 // Case: Error on read.
1118 BlobDataBuilder builder2("uuid2");
1119 builder2.AppendFile(kPath, 0, kData.size(), kTime);
1120 this->InitializeReader(&builder2);
1121 reader = new FakeFileStreamReader(kData);
1122 ExpectLocalFileCall(kPath, kTime, 0, reader);
1123 EXPECT_EQ(BlobReader::Status::DONE,
1124 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
1125 reader->SetReturnError(net::ERR_FILE_NOT_FOUND);
1126 reader->SetAsyncRunner(message_loop_.task_runner().get());
1127
1128 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kData.size()));
1129 int bytes_read = 0;
1130 int async_bytes_read = 0;
1131 EXPECT_EQ(BlobReader::Status::IO_PENDING,
1132 reader_->Read(buffer.get(), kData.size(), &bytes_read,
1133 base::Bind(&SetValue<int>, &async_bytes_read)));
1134 EXPECT_EQ(net::OK, reader_->net_error());
1135 message_loop_.RunUntilIdle();
1136 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, async_bytes_read);
1137 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
1138 }
1139
1140 TEST_F(BlobReaderTest, RangeError) {
1141 const std::string kData("Hello!!!");
1142 const size_t kDataSize = 8ul;
1143 const uint64_t kReadLength = 4ull;
1144
1145 // Case: offset too high.
1146 BlobDataBuilder b("uuid1");
1147 b.AppendData(kData);
1148 this->InitializeReader(&b);
1149 int size_result = -1;
1150 EXPECT_EQ(BlobReader::Status::DONE,
1151 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
1152 scoped_refptr<net::IOBuffer> buffer = CreateBuffer(kDataSize);
1153 EXPECT_EQ(BlobReader::Status::NET_ERROR,
1154 reader_->SetReadRange(kDataSize + 1, kReadLength));
1155 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
1156
1157 // Case: length too long.
1158 BlobDataBuilder b2("uuid2");
1159 b2.AppendData(kData);
1160 this->InitializeReader(&b2);
1161 size_result = -1;
1162 EXPECT_EQ(BlobReader::Status::DONE,
1163 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
1164 buffer = CreateBuffer(kDataSize + 1);
1165 EXPECT_EQ(BlobReader::Status::NET_ERROR,
1166 reader_->SetReadRange(0, kDataSize + 1));
1167 EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
1168 }
1169
1170 TEST_F(BlobReaderTest, HandleBeforeAsyncCancel) {
1171 const std::string kUuid("uuid1");
1172
1173 context_.CreatePendingBlob(kUuid, "", "");
1174 blob_handle_ = context_.GetBlobDataFromUUID(kUuid);
1175 provider_ = new MockFileStreamReaderProvider();
1176 reader_.reset(new BlobReader(blob_handle_.get(), base::WrapUnique(provider_),
1177 message_loop_.task_runner().get()));
1178 int size_result = -1;
1179 EXPECT_EQ(BlobReader::Status::IO_PENDING,
1180 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
1181 context_.CancelPendingBlob(kUuid, IPCBlobCreationCancelCode::UNKNOWN);
1182 message_loop_.RunUntilIdle();
1183 EXPECT_EQ(net::ERR_FAILED, size_result);
1184 }
1185
1186 TEST_F(BlobReaderTest, ReadFromIncompleteBlob) {
1187 const std::string kUuid("uuid1");
1188 const std::string kData("Hello!!!");
1189 const size_t kDataSize = 8ul;
1190
1191 BlobDataBuilder b(kUuid);
1192 b.AppendData(kData);
1193 context_.CreatePendingBlob(kUuid, "", "");
1194 blob_handle_ = context_.GetBlobDataFromUUID(kUuid);
1195 provider_ = new MockFileStreamReaderProvider();
1196 reader_.reset(new BlobReader(blob_handle_.get(), base::WrapUnique(provider_),
1197 message_loop_.task_runner().get()));
1198 int size_result = -1;
1199 EXPECT_EQ(BlobReader::Status::IO_PENDING,
1200 reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
1201 context_.CompletePendingBlob(b);
1202 message_loop_.RunUntilIdle();
1203 CheckSizeCalculatedAsynchronously(kDataSize, size_result);
1204 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kDataSize));
1205
1206 int bytes_read = 0;
1207 int async_bytes_read = 0;
1208 EXPECT_EQ(BlobReader::Status::DONE,
1209 reader_->Read(buffer.get(), kDataSize, &bytes_read,
1210 base::Bind(&SetValue<int>, &async_bytes_read)));
1211 EXPECT_EQ(net::OK, reader_->net_error());
1212 EXPECT_EQ(kDataSize, static_cast<size_t>(bytes_read));
1213 EXPECT_EQ(0, async_bytes_read);
1214 EXPECT_EQ(kData, std::string(buffer->data(), kDataSize));
1215 EXPECT_EQ(net::OK, size_result);
1216 }
1217
1218 } // namespace storage
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698