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1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
3 # Use of this source code is governed by a BSD-style license that can be | 3 # Use of this source code is governed by a BSD-style license that can be |
4 # found in the LICENSE file. | 4 # found in the LICENSE file. |
5 | 5 |
6 import os | 6 import os |
7 import sys | 7 import sys |
8 import unittest | 8 import unittest |
9 | 9 |
10 from caching_file_system import CachingFileSystem | 10 from caching_file_system import CachingFileSystem |
11 from file_system import FileSystem, StatInfo | 11 from file_system import FileSystem, StatInfo |
12 from future import Future | 12 from future import Future |
13 from in_memory_object_store import InMemoryObjectStore | |
14 from local_file_system import LocalFileSystem | 13 from local_file_system import LocalFileSystem |
15 from object_store_creator import ObjectStoreCreator | 14 from object_store_creator import ObjectStoreCreator |
16 from test_file_system import TestFileSystem | 15 from test_file_system import TestFileSystem |
17 | 16 |
18 def _CreateLocalFs(): | 17 def _CreateLocalFs(): |
19 return LocalFileSystem( | 18 return LocalFileSystem( |
20 os.path.join(sys.path[0], 'test_data', 'file_system')) | 19 os.path.join(sys.path[0], 'test_data', 'file_system')) |
21 | 20 |
22 class CachingFileSystemTest(unittest.TestCase): | 21 class CachingFileSystemTest(unittest.TestCase): |
23 def testReadFiles(self): | 22 def testReadFiles(self): |
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59 file_system = CachingFileSystem(fake_fs, ObjectStoreCreator.Factory()) | 58 file_system = CachingFileSystem(fake_fs, ObjectStoreCreator.Factory()) |
60 | 59 |
61 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) | 60 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) |
62 self.assertTrue(fake_fs.CheckAndReset(read_count=1, stat_count=1)) | 61 self.assertTrue(fake_fs.CheckAndReset(read_count=1, stat_count=1)) |
63 | 62 |
64 # Resource has been cached, so test resource is not re-fetched. | 63 # Resource has been cached, so test resource is not re-fetched. |
65 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) | 64 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) |
66 self.assertTrue(fake_fs.CheckAndReset()) | 65 self.assertTrue(fake_fs.CheckAndReset()) |
67 | 66 |
68 # Test if the Stat version is the same the resource is not re-fetched. | 67 # Test if the Stat version is the same the resource is not re-fetched. |
69 file_system._stat_object_store.Delete('bob/bob0') | 68 file_system._stat_object_store.Del('bob/bob0') |
70 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) | 69 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) |
71 self.assertTrue(fake_fs.CheckAndReset(stat_count=1)) | 70 self.assertTrue(fake_fs.CheckAndReset(stat_count=1)) |
72 | 71 |
73 # Test if there is a newer version, the resource is re-fetched. | 72 # Test if there is a newer version, the resource is re-fetched. |
74 file_system._stat_object_store.Delete('bob/bob0') | 73 file_system._stat_object_store.Del('bob/bob0') |
75 fake_fs.IncrementStat(); | 74 fake_fs.IncrementStat(); |
76 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) | 75 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) |
77 self.assertTrue(fake_fs.CheckAndReset(read_count=1, stat_count=1)) | 76 self.assertTrue(fake_fs.CheckAndReset(read_count=1, stat_count=1)) |
78 | 77 |
79 # Test directory and subdirectory stats are cached. | 78 # Test directory and subdirectory stats are cached. |
80 file_system._stat_object_store.Delete('bob/bob0') | 79 file_system._stat_object_store.Del('bob/bob0') |
81 file_system._read_object_store.Delete('bob/bob0') | 80 file_system._read_object_store.Del('bob/bob0') |
82 file_system._stat_object_store.Delete('bob/bob1') | 81 file_system._stat_object_store.Del('bob/bob1') |
83 fake_fs.IncrementStat(); | 82 fake_fs.IncrementStat(); |
84 self.assertEqual('bob/bob1 contents', file_system.ReadSingle('bob/bob1')) | 83 self.assertEqual('bob/bob1 contents', file_system.ReadSingle('bob/bob1')) |
85 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) | 84 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) |
86 self.assertTrue(fake_fs.CheckAndReset(read_count=2, stat_count=1)) | 85 self.assertTrue(fake_fs.CheckAndReset(read_count=2, stat_count=1)) |
87 self.assertEqual('bob/bob1 contents', file_system.ReadSingle('bob/bob1')) | 86 self.assertEqual('bob/bob1 contents', file_system.ReadSingle('bob/bob1')) |
88 self.assertTrue(fake_fs.CheckAndReset()) | 87 self.assertTrue(fake_fs.CheckAndReset()) |
89 | 88 |
90 # Test a more recent parent directory doesn't force a refetch of children. | 89 # Test a more recent parent directory doesn't force a refetch of children. |
91 file_system._read_object_store.Delete('bob/bob0') | 90 file_system._read_object_store.Del('bob/bob0') |
92 file_system._read_object_store.Delete('bob/bob1') | 91 file_system._read_object_store.Del('bob/bob1') |
93 self.assertEqual('bob/bob1 contents', file_system.ReadSingle('bob/bob1')) | 92 self.assertEqual('bob/bob1 contents', file_system.ReadSingle('bob/bob1')) |
94 self.assertEqual('bob/bob2 contents', file_system.ReadSingle('bob/bob2')) | 93 self.assertEqual('bob/bob2 contents', file_system.ReadSingle('bob/bob2')) |
95 self.assertEqual('bob/bob3 contents', file_system.ReadSingle('bob/bob3')) | 94 self.assertEqual('bob/bob3 contents', file_system.ReadSingle('bob/bob3')) |
96 self.assertTrue(fake_fs.CheckAndReset(read_count=3)) | 95 self.assertTrue(fake_fs.CheckAndReset(read_count=3)) |
97 fake_fs.IncrementStat(path='bob/') | 96 fake_fs.IncrementStat(path='bob/') |
98 self.assertEqual('bob/bob1 contents', file_system.ReadSingle('bob/bob1')) | 97 self.assertEqual('bob/bob1 contents', file_system.ReadSingle('bob/bob1')) |
99 self.assertEqual('bob/bob2 contents', file_system.ReadSingle('bob/bob2')) | 98 self.assertEqual('bob/bob2 contents', file_system.ReadSingle('bob/bob2')) |
100 self.assertEqual('bob/bob3 contents', file_system.ReadSingle('bob/bob3')) | 99 self.assertEqual('bob/bob3 contents', file_system.ReadSingle('bob/bob3')) |
101 self.assertTrue(fake_fs.CheckAndReset()) | 100 self.assertTrue(fake_fs.CheckAndReset()) |
102 | 101 |
103 file_system._stat_object_store.Delete('bob/bob0') | 102 file_system._stat_object_store.Del('bob/bob0') |
104 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) | 103 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) |
105 self.assertTrue(fake_fs.CheckAndReset(read_count=1, stat_count=1)) | 104 self.assertTrue(fake_fs.CheckAndReset(read_count=1, stat_count=1)) |
106 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) | 105 self.assertEqual('bob/bob0 contents', file_system.ReadSingle('bob/bob0')) |
107 self.assertTrue(fake_fs.CheckAndReset()) | 106 self.assertTrue(fake_fs.CheckAndReset()) |
108 | 107 |
109 if __name__ == '__main__': | 108 if __name__ == '__main__': |
110 unittest.main() | 109 unittest.main() |
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