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1 // Copyright 2014 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/media_galleries/media_folder_finder.h" | |
6 | |
7 #include <stddef.h> | |
8 | |
9 #include <set> | |
10 #include <string> | |
11 | |
12 #include "base/base_paths.h" | |
13 #include "base/bind.h" | |
14 #include "base/files/file_util.h" | |
15 #include "base/files/scoped_temp_dir.h" | |
16 #include "base/macros.h" | |
17 #include "base/strings/stringprintf.h" | |
18 #include "base/test/scoped_path_override.h" | |
19 #include "base/threading/sequenced_worker_pool.h" | |
20 #include "build/build_config.h" | |
21 #include "chrome/browser/media_galleries/media_scan_types.h" | |
22 #include "chrome/common/chrome_paths.h" | |
23 #include "content/public/browser/browser_thread.h" | |
24 #include "content/public/test/test_browser_thread_bundle.h" | |
25 #include "content/public/test/test_utils.h" | |
26 #include "testing/gtest/include/gtest/gtest.h" | |
27 | |
28 class MediaFolderFinderTest : public testing::Test { | |
29 public: | |
30 MediaFolderFinderTest() { | |
31 } | |
32 | |
33 ~MediaFolderFinderTest() override {} | |
34 | |
35 void SetUp() override { ASSERT_TRUE(fake_dir_.CreateUniqueTempDir()); } | |
36 | |
37 void TearDown() override { ASSERT_EQ(NULL, media_folder_finder_.get()); } | |
38 | |
39 protected: | |
40 void CreateMediaFolderFinder( | |
41 const std::vector<base::FilePath> roots, | |
42 bool expected_success, | |
43 const MediaFolderFinder::MediaFolderFinderResults& expected_results) { | |
44 EXPECT_EQ(NULL, media_folder_finder_.get()); | |
45 received_results_ = false; | |
46 expected_success_ = expected_success; | |
47 expected_results_ = expected_results; | |
48 media_folder_finder_.reset( | |
49 new MediaFolderFinder(base::Bind(&MediaFolderFinderTest::OnGotResults, | |
50 base::Unretained(this)))); | |
51 media_folder_finder_->SetRootsForTesting(roots); | |
52 } | |
53 | |
54 void StartScan() { | |
55 media_folder_finder_->StartScan(); | |
56 } | |
57 | |
58 void DeleteMediaFolderFinder() { | |
59 EXPECT_TRUE(media_folder_finder_.get() != NULL); | |
60 media_folder_finder_.reset(); | |
61 } | |
62 | |
63 bool received_results() const { | |
64 return received_results_; | |
65 } | |
66 | |
67 const base::FilePath& fake_dir() const { | |
68 return fake_dir_.path(); | |
69 } | |
70 | |
71 void CreateTestDir(const base::FilePath& parent_dir) { | |
72 if (parent_dir == fake_dir()) | |
73 return; | |
74 | |
75 ASSERT_TRUE(fake_dir().IsParent(parent_dir)); | |
76 ASSERT_TRUE(base::CreateDirectory(parent_dir)); | |
77 } | |
78 | |
79 void CreateTestFile(const base::FilePath& parent_dir, | |
80 MediaGalleryScanFileType type, | |
81 size_t count, | |
82 bool big, | |
83 MediaFolderFinder::MediaFolderFinderResults* results) { | |
84 CreateTestDir(parent_dir); | |
85 | |
86 std::string extension; | |
87 size_t filesize; | |
88 MediaGalleryScanResult& result = (*results)[parent_dir]; | |
89 switch (type) { | |
90 case MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE: | |
91 extension = "jpg"; | |
92 filesize = 10; | |
93 result.image_count += count; | |
94 break; | |
95 case MEDIA_GALLERY_SCAN_FILE_TYPE_AUDIO: | |
96 extension = "wav"; | |
97 filesize = 20; | |
98 result.audio_count += count; | |
99 break; | |
100 case MEDIA_GALLERY_SCAN_FILE_TYPE_VIDEO: | |
101 extension = "avi"; | |
102 filesize = 30; | |
103 result.video_count += count; | |
104 break; | |
105 case MEDIA_GALLERY_SCAN_FILE_TYPE_UNKNOWN: | |
106 extension = "txt"; | |
107 filesize = 10; | |
108 if (IsEmptyScanResult(result)) | |
109 results->erase(parent_dir); | |
110 break; | |
111 default: | |
112 NOTREACHED(); | |
113 return; | |
114 } | |
115 if (big) | |
116 filesize *= 100000; | |
117 | |
118 for (size_t i = 0; i < count; ++i) { | |
119 base::FilePath test_file(parent_dir.AppendASCII("dummy." + extension)); | |
120 int uniquifier = | |
121 base::GetUniquePathNumber(test_file, base::FilePath::StringType()); | |
122 if (uniquifier > 0) { | |
123 test_file = test_file.InsertBeforeExtensionASCII( | |
124 base::StringPrintf(" (%d)", uniquifier)); | |
125 filesize += uniquifier; | |
126 } | |
127 | |
128 std::string dummy_data; | |
129 dummy_data.resize(filesize); | |
130 | |
131 int bytes_written = | |
132 base::WriteFile(test_file, dummy_data.c_str(), filesize); | |
133 ASSERT_GE(bytes_written, 0); | |
134 ASSERT_EQ(filesize, static_cast<size_t>(bytes_written)); | |
135 } | |
136 } | |
137 | |
138 void RunLoopUntilReceivedCallback() { | |
139 while (!received_results()) | |
140 content::RunAllBlockingPoolTasksUntilIdle(); | |
141 } | |
142 | |
143 private: | |
144 void OnGotResults( | |
145 bool success, | |
146 const MediaFolderFinder::MediaFolderFinderResults& results) { | |
147 received_results_ = true; | |
148 EXPECT_EQ(expected_success_, success); | |
149 std::set<base::FilePath> expected_keys = | |
150 GetKeysFromResults(expected_results_); | |
151 ASSERT_EQ(expected_keys, GetKeysFromResults(results)); | |
152 for (MediaFolderFinder::MediaFolderFinderResults::const_iterator it = | |
153 results.begin(); | |
154 it != results.end(); ++it) { | |
155 const base::FilePath& folder = it->first; | |
156 const MediaGalleryScanResult& expected = it->second; | |
157 const MediaGalleryScanResult& actual = results.find(folder)->second; | |
158 EXPECT_EQ(expected.image_count, actual.image_count) | |
159 << " Image count for " << folder.value(); | |
160 EXPECT_EQ(expected.audio_count, actual.audio_count) | |
161 << " Audio count for " << folder.value(); | |
162 EXPECT_EQ(expected.video_count, actual.video_count) | |
163 << " Video count for " << folder.value(); | |
164 } | |
165 } | |
166 | |
167 std::set<base::FilePath> GetKeysFromResults( | |
168 const MediaFolderFinder::MediaFolderFinderResults& results) { | |
169 std::set<base::FilePath> keys; | |
170 for (MediaFolderFinder::MediaFolderFinderResults::const_iterator it = | |
171 results.begin(); | |
172 it != results.end(); ++it) { | |
173 keys.insert(it->first); | |
174 } | |
175 return keys; | |
176 } | |
177 | |
178 content::TestBrowserThreadBundle thread_bundle_; | |
179 | |
180 base::ScopedTempDir fake_dir_; | |
181 | |
182 scoped_ptr<MediaFolderFinder> media_folder_finder_; | |
183 | |
184 bool expected_success_; | |
185 MediaFolderFinder::MediaFolderFinderResults expected_results_; | |
186 bool received_results_; | |
187 | |
188 DISALLOW_COPY_AND_ASSIGN(MediaFolderFinderTest); | |
189 }; | |
190 | |
191 TEST_F(MediaFolderFinderTest, NoScan) { | |
192 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
193 std::vector<base::FilePath> folders; | |
194 folders.push_back(fake_dir()); | |
195 CreateMediaFolderFinder(folders, false, expected_results); | |
196 DeleteMediaFolderFinder(); | |
197 EXPECT_TRUE(received_results()); | |
198 } | |
199 | |
200 TEST_F(MediaFolderFinderTest, ScanAndCancel) { | |
201 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
202 std::vector<base::FilePath> folders; | |
203 folders.push_back(fake_dir()); | |
204 CreateMediaFolderFinder(folders, false, expected_results); | |
205 StartScan(); | |
206 DeleteMediaFolderFinder(); | |
207 content::RunAllBlockingPoolTasksUntilIdle(); | |
208 EXPECT_TRUE(received_results()); | |
209 } | |
210 | |
211 TEST_F(MediaFolderFinderTest, ScanNothing) { | |
212 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
213 std::vector<base::FilePath> folders; | |
214 CreateMediaFolderFinder(folders, true, expected_results); | |
215 StartScan(); | |
216 RunLoopUntilReceivedCallback(); | |
217 DeleteMediaFolderFinder(); | |
218 } | |
219 | |
220 TEST_F(MediaFolderFinderTest, EmptyScan) { | |
221 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
222 std::vector<base::FilePath> folders; | |
223 folders.push_back(fake_dir()); | |
224 CreateMediaFolderFinder(folders, true, expected_results); | |
225 StartScan(); | |
226 RunLoopUntilReceivedCallback(); | |
227 DeleteMediaFolderFinder(); | |
228 } | |
229 | |
230 TEST_F(MediaFolderFinderTest, ScanMediaFiles) { | |
231 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
232 std::vector<base::FilePath> folders; | |
233 folders.push_back(fake_dir()); | |
234 | |
235 base::FilePath dir1 = fake_dir().AppendASCII("dir1"); | |
236 base::FilePath dir2 = fake_dir().AppendASCII("dir2"); | |
237 base::FilePath dir2_3 = dir2.AppendASCII("dir2_3"); | |
238 base::FilePath dir2_4 = dir2.AppendASCII("dir2_4"); | |
239 base::FilePath dir2_4_5 = dir2_4.AppendASCII("dir2_4_5"); | |
240 base::FilePath dir2_4_empty = dir2_4.AppendASCII("dir2_4_empty"); | |
241 base::FilePath dir_empty = fake_dir().AppendASCII("dir_empty"); | |
242 | |
243 CreateTestFile(dir1, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 2, true, | |
244 &expected_results); | |
245 CreateTestFile(dir1, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 1, false, | |
246 &expected_results); | |
247 CreateTestFile(dir1, MEDIA_GALLERY_SCAN_FILE_TYPE_UNKNOWN, 1, false, | |
248 &expected_results); | |
249 CreateTestFile(dir2_3, MEDIA_GALLERY_SCAN_FILE_TYPE_AUDIO, 4, true, | |
250 &expected_results); | |
251 CreateTestFile(dir2_3, MEDIA_GALLERY_SCAN_FILE_TYPE_AUDIO, 3, false, | |
252 &expected_results); | |
253 CreateTestFile(dir2_4, MEDIA_GALLERY_SCAN_FILE_TYPE_UNKNOWN, 5, false, | |
254 &expected_results); | |
255 CreateTestFile(dir2_4_5, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 2, true, | |
256 &expected_results); | |
257 CreateTestFile(dir2_4_5, MEDIA_GALLERY_SCAN_FILE_TYPE_AUDIO, 4, true, | |
258 &expected_results); | |
259 CreateTestFile(dir2_4_5, MEDIA_GALLERY_SCAN_FILE_TYPE_VIDEO, 1, true, | |
260 &expected_results); | |
261 CreateTestFile(dir2_4_5, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 5, false, | |
262 &expected_results); | |
263 CreateTestFile(dir2_4_5, MEDIA_GALLERY_SCAN_FILE_TYPE_VIDEO, 3, false, | |
264 &expected_results); | |
265 CreateTestFile(dir2_4_5, MEDIA_GALLERY_SCAN_FILE_TYPE_UNKNOWN, 3, true, | |
266 &expected_results); | |
267 CreateTestDir(dir2_4_empty); | |
268 CreateTestDir(dir_empty); | |
269 | |
270 CreateMediaFolderFinder(folders, true, expected_results); | |
271 StartScan(); | |
272 RunLoopUntilReceivedCallback(); | |
273 DeleteMediaFolderFinder(); | |
274 } | |
275 | |
276 TEST_F(MediaFolderFinderTest, SkipHiddenFiles) { | |
277 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
278 std::vector<base::FilePath> folders; | |
279 folders.push_back(fake_dir()); | |
280 | |
281 base::FilePath hidden_dir = fake_dir().AppendASCII(".hidden"); | |
282 | |
283 CreateTestFile(hidden_dir, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 2, true, | |
284 &expected_results); | |
285 expected_results.erase(hidden_dir); | |
286 | |
287 CreateMediaFolderFinder(folders, true, expected_results); | |
288 StartScan(); | |
289 RunLoopUntilReceivedCallback(); | |
290 DeleteMediaFolderFinder(); | |
291 } | |
292 | |
293 TEST_F(MediaFolderFinderTest, ScanIgnoresSmallMediaFiles) { | |
294 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
295 std::vector<base::FilePath> folders; | |
296 folders.push_back(fake_dir()); | |
297 | |
298 base::FilePath dir1 = fake_dir().AppendASCII("dir1"); | |
299 base::FilePath dir2 = fake_dir().AppendASCII("dir2"); | |
300 base::FilePath dir_empty = fake_dir().AppendASCII("dir_empty"); | |
301 | |
302 CreateTestFile(dir1, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 2, true, | |
303 &expected_results); | |
304 CreateTestFile(dir1, MEDIA_GALLERY_SCAN_FILE_TYPE_VIDEO, 1, false, | |
305 &expected_results); | |
306 CreateTestFile(dir1, MEDIA_GALLERY_SCAN_FILE_TYPE_UNKNOWN, 1, false, | |
307 &expected_results); | |
308 CreateTestFile(dir2, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 1, false, | |
309 &expected_results); | |
310 CreateTestFile(dir2, MEDIA_GALLERY_SCAN_FILE_TYPE_AUDIO, 3, false, | |
311 &expected_results); | |
312 CreateTestFile(dir2, MEDIA_GALLERY_SCAN_FILE_TYPE_VIDEO, 5, false, | |
313 &expected_results); | |
314 CreateTestFile(dir2, MEDIA_GALLERY_SCAN_FILE_TYPE_UNKNOWN, 1, true, | |
315 &expected_results); | |
316 CreateTestDir(dir_empty); | |
317 ASSERT_EQ(1U, expected_results.erase(dir2)); | |
318 | |
319 CreateMediaFolderFinder(folders, true, expected_results); | |
320 StartScan(); | |
321 RunLoopUntilReceivedCallback(); | |
322 DeleteMediaFolderFinder(); | |
323 } | |
324 | |
325 TEST_F(MediaFolderFinderTest, Overlap) { | |
326 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
327 std::vector<base::FilePath> folders; | |
328 folders.push_back(fake_dir()); | |
329 folders.push_back(fake_dir()); | |
330 | |
331 base::FilePath dir1 = fake_dir().AppendASCII("dir1"); | |
332 folders.push_back(dir1); | |
333 folders.push_back(dir1); | |
334 | |
335 CreateTestFile(dir1, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 1, true, | |
336 &expected_results); | |
337 | |
338 CreateMediaFolderFinder(folders, true, expected_results); | |
339 StartScan(); | |
340 RunLoopUntilReceivedCallback(); | |
341 DeleteMediaFolderFinder(); | |
342 } | |
343 | |
344 TEST_F(MediaFolderFinderTest, Prune) { | |
345 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
346 std::vector<base::FilePath> folders; | |
347 folders.push_back(fake_dir()); | |
348 | |
349 #if defined(OS_WIN) | |
350 int pruned_dir_key = base::DIR_IE_INTERNET_CACHE; | |
351 #elif defined(OS_MACOSX) | |
352 int pruned_dir_key = chrome::DIR_USER_LIBRARY; | |
353 #else | |
354 int pruned_dir_key = base::DIR_CACHE; | |
355 #endif | |
356 | |
357 base::FilePath fake_pruned_dir = fake_dir().AppendASCII("dir1"); | |
358 base::ScopedPathOverride scoped_fake_pruned_dir_override(pruned_dir_key, | |
359 fake_pruned_dir); | |
360 | |
361 CreateTestFile(fake_dir(), MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 1, true, | |
362 &expected_results); | |
363 CreateTestFile(fake_pruned_dir, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 1, true, | |
364 &expected_results); | |
365 | |
366 base::FilePath test_dir = fake_pruned_dir.AppendASCII("dir2"); | |
367 CreateTestFile(test_dir, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 1, true, | |
368 &expected_results); | |
369 | |
370 // |fake_pruned_dir| and |test_dir| are pruned. | |
371 expected_results.erase(fake_pruned_dir); | |
372 expected_results.erase(test_dir); | |
373 | |
374 CreateMediaFolderFinder(folders, true, expected_results); | |
375 StartScan(); | |
376 RunLoopUntilReceivedCallback(); | |
377 DeleteMediaFolderFinder(); | |
378 } | |
379 | |
380 TEST_F(MediaFolderFinderTest, Graylist) { | |
381 MediaFolderFinder::MediaFolderFinderResults expected_results; | |
382 std::vector<base::FilePath> folders; | |
383 folders.push_back(fake_dir()); | |
384 | |
385 base::FilePath fake_home_dir = fake_dir().AppendASCII("dir1"); | |
386 base::FilePath test_dir = fake_home_dir.AppendASCII("dir2"); | |
387 base::ScopedPathOverride scoped_fake_home_dir_override(base::DIR_HOME, | |
388 fake_home_dir); | |
389 | |
390 CreateTestFile(fake_dir(), MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 1, true, | |
391 &expected_results); | |
392 CreateTestFile(fake_home_dir, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 1, true, | |
393 &expected_results); | |
394 CreateTestFile(test_dir, MEDIA_GALLERY_SCAN_FILE_TYPE_IMAGE, 1, true, | |
395 &expected_results); | |
396 | |
397 // |fake_home_dir| and its ancestors do not show up in results. | |
398 expected_results.erase(fake_dir()); | |
399 expected_results.erase(fake_home_dir); | |
400 | |
401 CreateMediaFolderFinder(folders, true, expected_results); | |
402 StartScan(); | |
403 RunLoopUntilReceivedCallback(); | |
404 DeleteMediaFolderFinder(); | |
405 } | |
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