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1 // Copyright (c) 2012 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 "chrome/browser/chromeos/drive/file_cache.h" | |
6 | |
7 #include <string> | |
8 #include <vector> | |
9 | |
10 #include "base/callback_helpers.h" | |
11 #include "base/files/file_enumerator.h" | |
12 #include "base/files/file_util.h" | |
13 #include "base/files/scoped_temp_dir.h" | |
14 #include "base/md5.h" | |
15 #include "base/path_service.h" | |
16 #include "base/single_thread_task_runner.h" | |
17 #include "base/thread_task_runner_handle.h" | |
18 #include "chrome/browser/chromeos/drive/fake_free_disk_space_getter.h" | |
19 #include "chrome/browser/chromeos/drive/file_system_core_util.h" | |
20 #include "chrome/browser/chromeos/drive/resource_metadata_storage.h" | |
21 #include "components/drive/drive.pb.h" | |
22 #include "components/drive/drive_test_util.h" | |
23 #include "content/public/test/test_browser_thread_bundle.h" | |
24 #include "google_apis/drive/test_util.h" | |
25 #include "testing/gtest/include/gtest/gtest.h" | |
26 | |
27 namespace drive { | |
28 namespace internal { | |
29 namespace { | |
30 | |
31 const char kCacheFileDirectory[] = "files"; | |
32 | |
33 } // namespace | |
34 | |
35 // Tests FileCache methods working with the blocking task runner. | |
36 class FileCacheTest : public testing::Test { | |
37 protected: | |
38 void SetUp() override { | |
39 ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); | |
40 const base::FilePath metadata_dir = temp_dir_.path().AppendASCII("meta"); | |
41 cache_files_dir_ = temp_dir_.path().AppendASCII(kCacheFileDirectory); | |
42 | |
43 ASSERT_TRUE(base::CreateDirectory(metadata_dir)); | |
44 ASSERT_TRUE(base::CreateDirectory(cache_files_dir_)); | |
45 | |
46 fake_free_disk_space_getter_.reset(new FakeFreeDiskSpaceGetter); | |
47 | |
48 metadata_storage_.reset(new ResourceMetadataStorage( | |
49 metadata_dir, | |
50 base::ThreadTaskRunnerHandle::Get().get())); | |
51 ASSERT_TRUE(metadata_storage_->Initialize()); | |
52 | |
53 cache_.reset(new FileCache( | |
54 metadata_storage_.get(), | |
55 cache_files_dir_, | |
56 base::ThreadTaskRunnerHandle::Get().get(), | |
57 fake_free_disk_space_getter_.get())); | |
58 ASSERT_TRUE(cache_->Initialize()); | |
59 } | |
60 | |
61 static bool RenameCacheFilesToNewFormat(FileCache* cache) { | |
62 return cache->RenameCacheFilesToNewFormat(); | |
63 } | |
64 | |
65 content::TestBrowserThreadBundle thread_bundle_; | |
66 base::ScopedTempDir temp_dir_; | |
67 base::FilePath cache_files_dir_; | |
68 | |
69 scoped_ptr<ResourceMetadataStorage, test_util::DestroyHelperForTests> | |
70 metadata_storage_; | |
71 scoped_ptr<FileCache, test_util::DestroyHelperForTests> cache_; | |
72 scoped_ptr<FakeFreeDiskSpaceGetter> fake_free_disk_space_getter_; | |
73 }; | |
74 | |
75 TEST_F(FileCacheTest, RecoverFilesFromCacheDirectory) { | |
76 base::FilePath dir_source_root; | |
77 EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &dir_source_root)); | |
78 const base::FilePath src_path = | |
79 dir_source_root.AppendASCII("chrome/test/data/chromeos/drive/image.png"); | |
80 | |
81 // Store files. This file should not be moved. | |
82 ResourceEntry entry; | |
83 entry.set_local_id("id_foo"); | |
84 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
85 EXPECT_EQ(FILE_ERROR_OK, cache_->Store("id_foo", "md5", src_path, | |
86 FileCache::FILE_OPERATION_COPY)); | |
87 | |
88 // Set up files in the cache directory. These files should be moved. | |
89 const base::FilePath file_directory = | |
90 temp_dir_.path().AppendASCII(kCacheFileDirectory); | |
91 ASSERT_TRUE(base::CopyFile(src_path, file_directory.AppendASCII("id_bar"))); | |
92 ASSERT_TRUE(base::CopyFile(src_path, file_directory.AppendASCII("id_baz"))); | |
93 | |
94 // Insert a dirty entry with "id_baz" to |recovered_cache_info|. | |
95 // This should not prevent the file from being recovered. | |
96 ResourceMetadataStorage::RecoveredCacheInfoMap recovered_cache_info; | |
97 recovered_cache_info["id_baz"].is_dirty = true; | |
98 recovered_cache_info["id_baz"].title = "baz.png"; | |
99 | |
100 // Recover files. | |
101 const base::FilePath dest_directory = temp_dir_.path().AppendASCII("dest"); | |
102 EXPECT_TRUE(cache_->RecoverFilesFromCacheDirectory(dest_directory, | |
103 recovered_cache_info)); | |
104 | |
105 // Only two files should be recovered. | |
106 EXPECT_TRUE(base::PathExists(dest_directory)); | |
107 // base::FileEnumerator does not guarantee the order. | |
108 if (base::PathExists(dest_directory.AppendASCII("baz00000001.png"))) { | |
109 EXPECT_TRUE(base::ContentsEqual( | |
110 src_path, | |
111 dest_directory.AppendASCII("baz00000001.png"))); | |
112 EXPECT_TRUE(base::ContentsEqual( | |
113 src_path, | |
114 dest_directory.AppendASCII("image00000002.png"))); | |
115 } else { | |
116 EXPECT_TRUE(base::ContentsEqual( | |
117 src_path, | |
118 dest_directory.AppendASCII("image00000001.png"))); | |
119 EXPECT_TRUE(base::ContentsEqual( | |
120 src_path, | |
121 dest_directory.AppendASCII("baz00000002.png"))); | |
122 } | |
123 EXPECT_FALSE(base::PathExists( | |
124 dest_directory.AppendASCII("image00000003.png"))); | |
125 } | |
126 | |
127 TEST_F(FileCacheTest, FreeDiskSpaceIfNeededFor) { | |
128 base::FilePath src_file; | |
129 ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &src_file)); | |
130 | |
131 // Store a file as a 'temporary' file and remember the path. | |
132 const std::string id_tmp = "id_tmp", md5_tmp = "md5_tmp"; | |
133 | |
134 ResourceEntry entry; | |
135 entry.set_local_id(id_tmp); | |
136 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
137 ASSERT_EQ(FILE_ERROR_OK, | |
138 cache_->Store(id_tmp, md5_tmp, src_file, | |
139 FileCache::FILE_OPERATION_COPY)); | |
140 base::FilePath tmp_path; | |
141 ASSERT_EQ(FILE_ERROR_OK, cache_->GetFile(id_tmp, &tmp_path)); | |
142 | |
143 // Store a file as a pinned file and remember the path. | |
144 const std::string id_pinned = "id_pinned", md5_pinned = "md5_pinned"; | |
145 entry.Clear(); | |
146 entry.set_local_id(id_pinned); | |
147 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
148 ASSERT_EQ(FILE_ERROR_OK, | |
149 cache_->Store(id_pinned, md5_pinned, src_file, | |
150 FileCache::FILE_OPERATION_COPY)); | |
151 ASSERT_EQ(FILE_ERROR_OK, cache_->Pin(id_pinned)); | |
152 base::FilePath pinned_path; | |
153 ASSERT_EQ(FILE_ERROR_OK, cache_->GetFile(id_pinned, &pinned_path)); | |
154 | |
155 // Call FreeDiskSpaceIfNeededFor(). | |
156 fake_free_disk_space_getter_->set_default_value(test_util::kLotsOfSpace); | |
157 fake_free_disk_space_getter_->PushFakeValue(0); | |
158 const int64 kNeededBytes = 1; | |
159 EXPECT_TRUE(cache_->FreeDiskSpaceIfNeededFor(kNeededBytes)); | |
160 | |
161 // Only 'temporary' file gets removed. | |
162 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id_tmp, &entry)); | |
163 EXPECT_FALSE(entry.file_specific_info().cache_state().is_present()); | |
164 EXPECT_FALSE(base::PathExists(tmp_path)); | |
165 | |
166 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id_pinned, &entry)); | |
167 EXPECT_TRUE(entry.file_specific_info().cache_state().is_present()); | |
168 EXPECT_TRUE(base::PathExists(pinned_path)); | |
169 | |
170 // Returns false when disk space cannot be freed. | |
171 fake_free_disk_space_getter_->set_default_value(0); | |
172 EXPECT_FALSE(cache_->FreeDiskSpaceIfNeededFor(kNeededBytes)); | |
173 } | |
174 | |
175 TEST_F(FileCacheTest, GetFile) { | |
176 const base::FilePath src_file_path = temp_dir_.path().Append("test.dat"); | |
177 const std::string src_contents = "test"; | |
178 EXPECT_TRUE(google_apis::test_util::WriteStringToFile(src_file_path, | |
179 src_contents)); | |
180 std::string id("id1"); | |
181 std::string md5(base::MD5String(src_contents)); | |
182 | |
183 const base::FilePath cache_file_directory = | |
184 temp_dir_.path().AppendASCII(kCacheFileDirectory); | |
185 | |
186 // Try to get an existing file from cache. | |
187 ResourceEntry entry; | |
188 entry.set_local_id(id); | |
189 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
190 EXPECT_EQ(FILE_ERROR_OK, cache_->Store(id, md5, src_file_path, | |
191 FileCache::FILE_OPERATION_COPY)); | |
192 base::FilePath cache_file_path; | |
193 EXPECT_EQ(FILE_ERROR_OK, cache_->GetFile(id, &cache_file_path)); | |
194 EXPECT_EQ( | |
195 cache_file_directory.AppendASCII(util::EscapeCacheFileName(id)).value(), | |
196 cache_file_path.value()); | |
197 | |
198 std::string contents; | |
199 EXPECT_TRUE(base::ReadFileToString(cache_file_path, &contents)); | |
200 EXPECT_EQ(src_contents, contents); | |
201 | |
202 // Get file from cache with different id. | |
203 id = "id2"; | |
204 entry.Clear(); | |
205 entry.set_local_id(id); | |
206 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
207 EXPECT_EQ(FILE_ERROR_NOT_FOUND, cache_->GetFile(id, &cache_file_path)); | |
208 | |
209 // Pin a non-existent file. | |
210 EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(id)); | |
211 | |
212 // Get the non-existent pinned file from cache. | |
213 EXPECT_EQ(FILE_ERROR_NOT_FOUND, cache_->GetFile(id, &cache_file_path)); | |
214 | |
215 // Get a previously pinned and stored file from cache. | |
216 EXPECT_EQ(FILE_ERROR_OK, cache_->Store(id, md5, src_file_path, | |
217 FileCache::FILE_OPERATION_COPY)); | |
218 | |
219 EXPECT_EQ(FILE_ERROR_OK, cache_->GetFile(id, &cache_file_path)); | |
220 EXPECT_EQ( | |
221 cache_file_directory.AppendASCII(util::EscapeCacheFileName(id)).value(), | |
222 cache_file_path.value()); | |
223 | |
224 contents.clear(); | |
225 EXPECT_TRUE(base::ReadFileToString(cache_file_path, &contents)); | |
226 EXPECT_EQ(src_contents, contents); | |
227 } | |
228 | |
229 TEST_F(FileCacheTest, Store) { | |
230 const base::FilePath src_file_path = temp_dir_.path().Append("test.dat"); | |
231 const std::string src_contents = "test"; | |
232 EXPECT_TRUE(google_apis::test_util::WriteStringToFile(src_file_path, | |
233 src_contents)); | |
234 std::string id("id"); | |
235 std::string md5(base::MD5String(src_contents)); | |
236 | |
237 // Store a file. | |
238 ResourceEntry entry; | |
239 entry.set_local_id(id); | |
240 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
241 EXPECT_EQ(FILE_ERROR_OK, cache_->Store( | |
242 id, md5, src_file_path, FileCache::FILE_OPERATION_COPY)); | |
243 | |
244 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
245 EXPECT_TRUE(entry.file_specific_info().cache_state().is_present()); | |
246 EXPECT_EQ(md5, entry.file_specific_info().cache_state().md5()); | |
247 | |
248 base::FilePath cache_file_path; | |
249 EXPECT_EQ(FILE_ERROR_OK, cache_->GetFile(id, &cache_file_path)); | |
250 EXPECT_TRUE(base::ContentsEqual(src_file_path, cache_file_path)); | |
251 | |
252 // Store a non-existent file. | |
253 EXPECT_EQ(FILE_ERROR_FAILED, cache_->Store( | |
254 id, md5, base::FilePath::FromUTF8Unsafe("non_existent_file"), | |
255 FileCache::FILE_OPERATION_COPY)); | |
256 | |
257 // Passing empty MD5 marks the entry as dirty. | |
258 EXPECT_EQ(FILE_ERROR_OK, cache_->Store( | |
259 id, std::string(), src_file_path, FileCache::FILE_OPERATION_COPY)); | |
260 | |
261 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
262 EXPECT_TRUE(entry.file_specific_info().cache_state().is_present()); | |
263 EXPECT_TRUE(entry.file_specific_info().cache_state().md5().empty()); | |
264 EXPECT_TRUE(entry.file_specific_info().cache_state().is_dirty()); | |
265 | |
266 // No free space available. | |
267 fake_free_disk_space_getter_->set_default_value(0); | |
268 | |
269 EXPECT_EQ(FILE_ERROR_NO_LOCAL_SPACE, cache_->Store( | |
270 id, md5, src_file_path, FileCache::FILE_OPERATION_COPY)); | |
271 } | |
272 | |
273 TEST_F(FileCacheTest, PinAndUnpin) { | |
274 const base::FilePath src_file_path = temp_dir_.path().Append("test.dat"); | |
275 const std::string src_contents = "test"; | |
276 EXPECT_TRUE(google_apis::test_util::WriteStringToFile(src_file_path, | |
277 src_contents)); | |
278 std::string id("id_present"); | |
279 std::string md5(base::MD5String(src_contents)); | |
280 | |
281 // Store a file. | |
282 ResourceEntry entry; | |
283 entry.set_local_id(id); | |
284 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
285 EXPECT_EQ(FILE_ERROR_OK, cache_->Store( | |
286 id, md5, src_file_path, FileCache::FILE_OPERATION_COPY)); | |
287 | |
288 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
289 EXPECT_FALSE(entry.file_specific_info().cache_state().is_pinned()); | |
290 | |
291 // Pin the existing file. | |
292 EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(id)); | |
293 | |
294 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
295 EXPECT_TRUE(entry.file_specific_info().cache_state().is_pinned()); | |
296 | |
297 // Unpin the file. | |
298 EXPECT_EQ(FILE_ERROR_OK, cache_->Unpin(id)); | |
299 | |
300 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
301 EXPECT_FALSE(entry.file_specific_info().cache_state().is_pinned()); | |
302 | |
303 // Pin a non-present file. | |
304 std::string id_non_present = "id_non_present"; | |
305 entry.Clear(); | |
306 entry.set_local_id(id_non_present); | |
307 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
308 EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(id_non_present)); | |
309 | |
310 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id_non_present, &entry)); | |
311 EXPECT_TRUE(entry.file_specific_info().cache_state().is_pinned()); | |
312 | |
313 // Unpin the previously pinned non-existent file. | |
314 EXPECT_EQ(FILE_ERROR_OK, cache_->Unpin(id_non_present)); | |
315 | |
316 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id_non_present, &entry)); | |
317 EXPECT_FALSE(entry.file_specific_info().has_cache_state()); | |
318 | |
319 // Unpin a file that doesn't exist in cache and is not pinned. | |
320 EXPECT_EQ(FILE_ERROR_NOT_FOUND, cache_->Unpin("id_non_existent")); | |
321 } | |
322 | |
323 TEST_F(FileCacheTest, MountUnmount) { | |
324 const base::FilePath src_file_path = temp_dir_.path().Append("test.dat"); | |
325 const std::string src_contents = "test"; | |
326 EXPECT_TRUE(google_apis::test_util::WriteStringToFile(src_file_path, | |
327 src_contents)); | |
328 std::string id("id_present"); | |
329 std::string md5(base::MD5String(src_contents)); | |
330 | |
331 // Store a file. | |
332 ResourceEntry entry; | |
333 entry.set_local_id(id); | |
334 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
335 EXPECT_EQ(FILE_ERROR_OK, cache_->Store( | |
336 id, md5, src_file_path, FileCache::FILE_OPERATION_COPY)); | |
337 | |
338 // Mark the file mounted. | |
339 base::FilePath cache_file_path; | |
340 EXPECT_EQ(FILE_ERROR_OK, cache_->MarkAsMounted(id, &cache_file_path)); | |
341 | |
342 // Try to remove it. | |
343 EXPECT_EQ(FILE_ERROR_IN_USE, cache_->Remove(id)); | |
344 | |
345 // Clear mounted state of the file. | |
346 EXPECT_EQ(FILE_ERROR_OK, cache_->MarkAsUnmounted(cache_file_path)); | |
347 | |
348 // Try to remove again. | |
349 EXPECT_EQ(FILE_ERROR_OK, cache_->Remove(id)); | |
350 } | |
351 | |
352 TEST_F(FileCacheTest, OpenForWrite) { | |
353 // Prepare a file. | |
354 base::FilePath src_file; | |
355 ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &src_file)); | |
356 | |
357 const std::string id = "id"; | |
358 ResourceEntry entry; | |
359 entry.set_local_id(id); | |
360 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
361 ASSERT_EQ(FILE_ERROR_OK, cache_->Store(id, "md5", src_file, | |
362 FileCache::FILE_OPERATION_COPY)); | |
363 EXPECT_EQ(0, entry.file_info().last_modified()); | |
364 | |
365 // Entry is not dirty nor opened. | |
366 EXPECT_FALSE(cache_->IsOpenedForWrite(id)); | |
367 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
368 EXPECT_FALSE(entry.file_specific_info().cache_state().is_dirty()); | |
369 | |
370 // Open (1). | |
371 scoped_ptr<base::ScopedClosureRunner> file_closer1; | |
372 EXPECT_EQ(FILE_ERROR_OK, cache_->OpenForWrite(id, &file_closer1)); | |
373 EXPECT_TRUE(cache_->IsOpenedForWrite(id)); | |
374 | |
375 // Entry is dirty. | |
376 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
377 EXPECT_TRUE(entry.file_specific_info().cache_state().is_dirty()); | |
378 | |
379 // Open (2). | |
380 scoped_ptr<base::ScopedClosureRunner> file_closer2; | |
381 EXPECT_EQ(FILE_ERROR_OK, cache_->OpenForWrite(id, &file_closer2)); | |
382 EXPECT_TRUE(cache_->IsOpenedForWrite(id)); | |
383 | |
384 // Close (1). | |
385 file_closer1.reset(); | |
386 base::RunLoop().RunUntilIdle(); | |
387 EXPECT_TRUE(cache_->IsOpenedForWrite(id)); | |
388 | |
389 // last_modified is updated. | |
390 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
391 EXPECT_NE(0, entry.file_info().last_modified()); | |
392 | |
393 // Close (2). | |
394 file_closer2.reset(); | |
395 base::RunLoop().RunUntilIdle(); | |
396 EXPECT_FALSE(cache_->IsOpenedForWrite(id)); | |
397 | |
398 // Try to open non-existent file. | |
399 EXPECT_EQ(FILE_ERROR_NOT_FOUND, | |
400 cache_->OpenForWrite("nonexistent_id", &file_closer1)); | |
401 } | |
402 | |
403 TEST_F(FileCacheTest, UpdateMd5) { | |
404 // Store test data. | |
405 const base::FilePath src_file_path = temp_dir_.path().Append("test.dat"); | |
406 const std::string contents_before = "before"; | |
407 EXPECT_TRUE(google_apis::test_util::WriteStringToFile(src_file_path, | |
408 contents_before)); | |
409 std::string id("id1"); | |
410 ResourceEntry entry; | |
411 entry.set_local_id(id); | |
412 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
413 EXPECT_EQ(FILE_ERROR_OK, cache_->Store(id, base::MD5String(contents_before), | |
414 src_file_path, | |
415 FileCache::FILE_OPERATION_COPY)); | |
416 | |
417 // Modify the cache file. | |
418 scoped_ptr<base::ScopedClosureRunner> file_closer; | |
419 EXPECT_EQ(FILE_ERROR_OK, cache_->OpenForWrite(id, &file_closer)); | |
420 base::FilePath cache_file_path; | |
421 EXPECT_EQ(FILE_ERROR_OK, cache_->GetFile(id, &cache_file_path)); | |
422 const std::string contents_after = "after"; | |
423 EXPECT_TRUE(google_apis::test_util::WriteStringToFile(cache_file_path, | |
424 contents_after)); | |
425 | |
426 // Cannot update MD5 of an opend file. | |
427 EXPECT_EQ(FILE_ERROR_IN_USE, cache_->UpdateMd5(id)); | |
428 | |
429 // Close file. | |
430 file_closer.reset(); | |
431 base::RunLoop().RunUntilIdle(); | |
432 | |
433 // MD5 was cleared by OpenForWrite(). | |
434 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
435 EXPECT_TRUE(entry.file_specific_info().cache_state().md5().empty()); | |
436 | |
437 // Update MD5. | |
438 EXPECT_EQ(FILE_ERROR_OK, cache_->UpdateMd5(id)); | |
439 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
440 EXPECT_EQ(base::MD5String(contents_after), | |
441 entry.file_specific_info().cache_state().md5()); | |
442 } | |
443 | |
444 TEST_F(FileCacheTest, ClearDirty) { | |
445 // Prepare a file. | |
446 base::FilePath src_file; | |
447 ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &src_file)); | |
448 | |
449 const std::string id = "id"; | |
450 ResourceEntry entry; | |
451 entry.set_local_id(id); | |
452 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
453 ASSERT_EQ(FILE_ERROR_OK, cache_->Store(id, "md5", src_file, | |
454 FileCache::FILE_OPERATION_COPY)); | |
455 | |
456 // Open the file. | |
457 scoped_ptr<base::ScopedClosureRunner> file_closer; | |
458 EXPECT_EQ(FILE_ERROR_OK, cache_->OpenForWrite(id, &file_closer)); | |
459 | |
460 // Entry is dirty. | |
461 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
462 EXPECT_TRUE(entry.file_specific_info().cache_state().is_dirty()); | |
463 | |
464 // Cannot clear the dirty bit of an opened entry. | |
465 EXPECT_EQ(FILE_ERROR_IN_USE, cache_->ClearDirty(id)); | |
466 | |
467 // Close the file and clear the dirty bit. | |
468 file_closer.reset(); | |
469 base::RunLoop().RunUntilIdle(); | |
470 EXPECT_EQ(FILE_ERROR_OK, cache_->ClearDirty(id)); | |
471 | |
472 // Entry is not dirty. | |
473 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->GetEntry(id, &entry)); | |
474 EXPECT_FALSE(entry.file_specific_info().cache_state().is_dirty()); | |
475 } | |
476 | |
477 TEST_F(FileCacheTest, Remove) { | |
478 const base::FilePath src_file_path = temp_dir_.path().Append("test.dat"); | |
479 const std::string src_contents = "test"; | |
480 EXPECT_TRUE(google_apis::test_util::WriteStringToFile(src_file_path, | |
481 src_contents)); | |
482 std::string id("id"); | |
483 std::string md5(base::MD5String(src_contents)); | |
484 | |
485 // First store a file to cache. | |
486 ResourceEntry entry; | |
487 entry.set_local_id(id); | |
488 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
489 base::FilePath src_file; | |
490 ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &src_file)); | |
491 EXPECT_EQ(FILE_ERROR_OK, cache_->Store( | |
492 id, md5, src_file_path, FileCache::FILE_OPERATION_COPY)); | |
493 | |
494 base::FilePath cache_file_path; | |
495 EXPECT_EQ(FILE_ERROR_OK, cache_->GetFile(id, &cache_file_path)); | |
496 | |
497 // Then try to remove existing file from cache. | |
498 EXPECT_EQ(FILE_ERROR_OK, cache_->Remove(id)); | |
499 EXPECT_FALSE(base::PathExists(cache_file_path)); | |
500 } | |
501 | |
502 TEST_F(FileCacheTest, RenameCacheFilesToNewFormat) { | |
503 const base::FilePath file_directory = | |
504 temp_dir_.path().AppendASCII(kCacheFileDirectory); | |
505 | |
506 // File with an old style "<prefix>:<ID>.<MD5>" name. | |
507 ASSERT_TRUE(google_apis::test_util::WriteStringToFile( | |
508 file_directory.AppendASCII("file:id_koo.md5"), "koo")); | |
509 | |
510 // File with multiple extensions should be removed. | |
511 ASSERT_TRUE(google_apis::test_util::WriteStringToFile( | |
512 file_directory.AppendASCII("id_kyu.md5.mounted"), "kyu (mounted)")); | |
513 ASSERT_TRUE(google_apis::test_util::WriteStringToFile( | |
514 file_directory.AppendASCII("id_kyu.md5"), "kyu")); | |
515 | |
516 // Rename and verify the result. | |
517 EXPECT_TRUE(RenameCacheFilesToNewFormat(cache_.get())); | |
518 std::string contents; | |
519 EXPECT_TRUE(base::ReadFileToString(file_directory.AppendASCII("id_koo"), | |
520 &contents)); | |
521 EXPECT_EQ("koo", contents); | |
522 contents.clear(); | |
523 EXPECT_TRUE(base::ReadFileToString(file_directory.AppendASCII("id_kyu"), | |
524 &contents)); | |
525 EXPECT_EQ("kyu", contents); | |
526 | |
527 // Rename again. | |
528 EXPECT_TRUE(RenameCacheFilesToNewFormat(cache_.get())); | |
529 | |
530 // Files with new style names are not affected. | |
531 contents.clear(); | |
532 EXPECT_TRUE(base::ReadFileToString(file_directory.AppendASCII("id_koo"), | |
533 &contents)); | |
534 EXPECT_EQ("koo", contents); | |
535 contents.clear(); | |
536 EXPECT_TRUE(base::ReadFileToString(file_directory.AppendASCII("id_kyu"), | |
537 &contents)); | |
538 EXPECT_EQ("kyu", contents); | |
539 } | |
540 | |
541 TEST_F(FileCacheTest, ClearAll) { | |
542 const std::string id("1a2b"); | |
543 const std::string md5("abcdef0123456789"); | |
544 | |
545 // Store an existing file. | |
546 ResourceEntry entry; | |
547 entry.set_local_id(id); | |
548 EXPECT_EQ(FILE_ERROR_OK, metadata_storage_->PutEntry(entry)); | |
549 base::FilePath src_file; | |
550 ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &src_file)); | |
551 ASSERT_EQ(FILE_ERROR_OK, | |
552 cache_->Store(id, md5, src_file, FileCache::FILE_OPERATION_COPY)); | |
553 | |
554 // Clear cache. | |
555 EXPECT_TRUE(cache_->ClearAll()); | |
556 | |
557 // Verify that the cache is removed. | |
558 EXPECT_TRUE(base::IsDirectoryEmpty(cache_files_dir_)); | |
559 } | |
560 | |
561 } // namespace internal | |
562 } // namespace drive | |
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