| #!/usr/bin/env python |
| # Copyright 2013 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import unittest |
| |
| from chained_compiled_file_system import ChainedCompiledFileSystem |
| from compiled_file_system import CompiledFileSystem |
| from object_store_creator import ObjectStoreCreator |
| from test_file_system import TestFileSystem |
| |
| _TEST_DATA_BASE = { |
| 'a.txt': 'base a.txt', |
| 'dir': { |
| 'b.txt': 'base b.txt' |
| }, |
| } |
| |
| _TEST_DATA_NEW = { |
| 'a.txt': 'new a.txt', |
| 'new.txt': 'a new file', |
| 'dir': { |
| 'b.txt': 'new b.txt', |
| 'new.txt': 'new file in dir', |
| }, |
| } |
| |
| identity = lambda _, x: x |
| |
| class ChainedCompiledFileSystemTest(unittest.TestCase): |
| def setUp(self): |
| object_store_creator = ObjectStoreCreator(start_empty=False) |
| base_file_system = TestFileSystem(_TEST_DATA_BASE) |
| self._base_factory = CompiledFileSystem.Factory(base_file_system, |
| object_store_creator) |
| self._file_system = TestFileSystem(_TEST_DATA_NEW) |
| self._patched_factory = CompiledFileSystem.Factory(self._file_system, |
| object_store_creator) |
| self._chained_factory = ChainedCompiledFileSystem.Factory( |
| [(self._patched_factory, self._file_system), |
| (self._base_factory, base_file_system)]) |
| self._base_compiled_fs = self._base_factory.Create(identity, TestFileSystem) |
| self._chained_compiled_fs = self._chained_factory.Create( |
| identity, TestFileSystem) |
| |
| def testGetFromFile(self): |
| self.assertEqual(self._chained_compiled_fs.GetFromFile('a.txt'), |
| self._base_compiled_fs.GetFromFile('a.txt')) |
| self.assertEqual(self._chained_compiled_fs.GetFromFile('new.txt'), |
| 'a new file') |
| self.assertEqual(self._chained_compiled_fs.GetFromFile('dir/new.txt'), |
| 'new file in dir') |
| self._file_system.IncrementStat('a.txt') |
| self.assertNotEqual(self._chained_compiled_fs.GetFromFile('a.txt'), |
| self._base_compiled_fs.GetFromFile('a.txt')) |
| self.assertEqual(self._chained_compiled_fs.GetFromFile('a.txt'), |
| self._file_system.ReadSingle('a.txt')) |
| |
| def testGetFromFileListing(self): |
| self.assertEqual(self._chained_compiled_fs.GetFromFile('dir/'), |
| self._base_compiled_fs.GetFromFile('dir/')) |
| self._file_system.IncrementStat('dir/') |
| self.assertNotEqual(self._chained_compiled_fs.GetFromFileListing('dir/'), |
| self._base_compiled_fs.GetFromFileListing('dir/')) |
| self.assertEqual(self._chained_compiled_fs.GetFromFileListing('dir/'), |
| self._file_system.ReadSingle('dir/')) |
| |
| if __name__ == '__main__': |
| unittest.main() |
