1 #!/usr/bin/env python 2 # Copyright 2013 The Chromium Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 import unittest 7 8 from chained_compiled_file_system import ChainedCompiledFileSystem 9 from compiled_file_system import CompiledFileSystem 10 from object_store_creator import ObjectStoreCreator 11 from test_file_system import TestFileSystem 12 13 _TEST_DATA_BASE = { 14 'a.txt': 'base a.txt', 15 'dir': { 16 'b.txt': 'base b.txt' 17 }, 18 } 19 20 _TEST_DATA_NEW = { 21 'a.txt': 'new a.txt', 22 'new.txt': 'a new file', 23 'dir': { 24 'b.txt': 'new b.txt', 25 'new.txt': 'new file in dir', 26 }, 27 } 28 29 identity = lambda _, x: x 30 31 class ChainedCompiledFileSystemTest(unittest.TestCase): 32 def setUp(self): 33 object_store_creator = ObjectStoreCreator(start_empty=False) 34 base_file_system = TestFileSystem(_TEST_DATA_BASE, identity='base') 35 self._base_compiled_fs = CompiledFileSystem.Factory( 36 object_store_creator).Create(base_file_system, 37 identity, 38 ChainedCompiledFileSystemTest) 39 chained_factory = ChainedCompiledFileSystem.Factory([base_file_system], 40 object_store_creator) 41 self._new_file_system = TestFileSystem(_TEST_DATA_NEW, identity='new') 42 self._chained_compiled_fs = chained_factory.Create( 43 self._new_file_system, identity, ChainedCompiledFileSystemTest) 44 45 def testGetFromFile(self): 46 self.assertEqual(self._chained_compiled_fs.GetFromFile('a.txt').Get(), 47 self._base_compiled_fs.GetFromFile('a.txt').Get()) 48 self.assertEqual(self._chained_compiled_fs.GetFromFile('new.txt').Get(), 49 'a new file') 50 self.assertEqual(self._chained_compiled_fs.GetFromFile('dir/new.txt').Get(), 51 'new file in dir') 52 self._new_file_system.IncrementStat('a.txt') 53 self.assertNotEqual(self._chained_compiled_fs.GetFromFile('a.txt').Get(), 54 self._base_compiled_fs.GetFromFile('a.txt').Get()) 55 self.assertEqual(self._chained_compiled_fs.GetFromFile('a.txt').Get(), 56 self._new_file_system.ReadSingle('a.txt').Get()) 57 58 def testGetFromFileListing(self): 59 self.assertEqual(self._chained_compiled_fs.GetFromFileListing('dir/').Get(), 60 self._base_compiled_fs.GetFromFileListing('dir/').Get()) 61 self._new_file_system.IncrementStat('dir/new.txt') 62 self.assertNotEqual( 63 self._chained_compiled_fs.GetFromFileListing('dir/').Get(), 64 self._base_compiled_fs.GetFromFileListing('dir/').Get()) 65 self.assertEqual( 66 self._chained_compiled_fs.GetFromFileListing('dir/').Get(), 67 self._new_file_system.ReadSingle('dir/').Get()) 68 69 if __name__ == '__main__': 70 unittest.main() 71
