Docserver: Make MockFileSystem not iterate over the entire file system as part

chrome/common/extensions/docs/server2/chroot_file_system_test.py

 #!/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 chroot_file_system import ChrootFileSystem
 from file_system import StatInfo
 from test_file_system import TestFileSystem
@@ skipping 44 matching lines @@
         }, _SortListValues(chroot_fs.Read(
           ('moremanifest/usb.html', '', 'moremanifest/', 'sockets.html')
         ).Get()))
 
   def testEmptyRoot(self):
     chroot_fs = ChrootFileSystem(self._test_fs, '')
     self.assertEqual('404.html contents',
                      chroot_fs.ReadSingle('404.html').Get())
 
   def testStat(self):
-    self._test_fs.IncrementStat('extensions/manifest/', by=2)
+    self._test_fs.IncrementStat('extensions/manifest/sockets.html', by=2)
     self._test_fs.IncrementStat('extensions/manifest/moremanifest/csp.html')
     for prefix in ('', '/'):
       for suffix in ('', '/'):
         chroot_fs = ChrootFileSystem(self._test_fs,
                                      prefix + 'extensions' + suffix)
-        self.assertEqual(StatInfo('0', child_versions={
+        self.assertEqual(StatInfo('2', child_versions={
           'activeTab.html': '0',
           'alarms.html': '0',
           'manifest/': '2',
         }), chroot_fs.Stat(''))
         self.assertEqual(StatInfo('0'), chroot_fs.Stat('activeTab.html'))
         self.assertEqual(StatInfo('2', child_versions={
-          'moremanifest/': '0',
-          'sockets.html': '0',
+          'moremanifest/': '1',
+          'sockets.html': '2',
         }), chroot_fs.Stat('manifest/'))
-        self.assertEqual(StatInfo('0'), chroot_fs.Stat('manifest/sockets.html'))
-        self.assertEqual(StatInfo('0', child_versions={
+        self.assertEqual(StatInfo('2'), chroot_fs.Stat('manifest/sockets.html'))
+        self.assertEqual(StatInfo('1', child_versions={
           'csp.html': '1',
           'usb.html': '0',
         }), chroot_fs.Stat('manifest/moremanifest/'))
         self.assertEqual(StatInfo('1'),
                          chroot_fs.Stat('manifest/moremanifest/csp.html'))
         self.assertEqual(StatInfo('0'),
                          chroot_fs.Stat('manifest/moremanifest/usb.html'))
 
   def testIdentity(self):
     chroot_fs1 = ChrootFileSystem(self._test_fs, '1')
     chroot_fs1b = ChrootFileSystem(self._test_fs, '1')
     chroot_fs2 = ChrootFileSystem(self._test_fs, '2')
     self.assertNotEqual(self._test_fs.GetIdentity(), chroot_fs1.GetIdentity())
     self.assertNotEqual(self._test_fs.GetIdentity(), chroot_fs2.GetIdentity())
     self.assertNotEqual(chroot_fs1.GetIdentity(), chroot_fs2.GetIdentity())
     self.assertEqual(chroot_fs1.GetIdentity(), chroot_fs1b.GetIdentity())
 
 
 if __name__ == '__main__':
   unittest.main()