implement per-file OWNERS support

tests/presubmit_unittest.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Unit tests for presubmit_support.py and presubmit_canned_checks.py."""
 
 # pylint: disable=E1101,E1103
 
 import logging
@@ skipping 730 matching lines @@
         self.fake_root_dir,
         None,
         0,
         0,
         None)
 
     executer = presubmit.GetTrySlavesExecuter()
     expected_result1 = ['1', '2']
     expected_result2 = ['a', 'b', 'c']
     script = self.presubmit_tryslave_project % (
-        repr('foo'), repr(expected_result1), repr(expected_result2)) 
+        repr('foo'), repr(expected_result1), repr(expected_result2))
     self.assertEqual(
         expected_result1, executer.ExecPresubmitScript(script, '', 'foo',
                                                        change))
     self.assertEqual(
         expected_result2, executer.ExecPresubmitScript(script, '', 'bar',
                                                        change))
 
   def testDoGetTrySlaves(self):
     join = presubmit.os.path.join
     filename = 'foo.cc'
@@ skipping 99 matching lines @@
   def testMembersChanged(self):
     self.mox.ReplayAll()
     members = [
       'AbsoluteLocalPaths', 'AffectedFiles', 'AffectedSourceFiles',
       'AffectedTextFiles',
       'DEFAULT_BLACK_LIST', 'DEFAULT_WHITE_LIST',
       'DepotToLocalPath', 'FilterSourceFile', 'LocalPaths',
       'LocalToDepotPath',
       'PresubmitLocalPath', 'ReadFile', 'RightHandSideLines', 'ServerPaths',
       'basename', 'cPickle', 'cStringIO', 'canned_checks', 'change', 'environ',
-      'host_url', 'is_committing', 'json', 'logging', 'marshal', 'os_listdir',
-      'os_walk',
+      'glob', 'host_url', 'is_committing', 'json', 'logging', 'marshal',
+      'os_listdir', 'os_walk',
       'os_path', 'owners_db', 'pickle', 'platform', 'python_executable', 're',
       'rietveld', 'subprocess', 'tbr', 'tempfile', 'time', 'traceback',
       'unittest', 'urllib2', 'version', 'verbose',
     ]
     # If this test fails, you should add the relevant test.
     self.compareMembers(
         presubmit.InputApi(self.fake_change, './.', False, None, False),
         members)
 
   def testDepotToLocalPath(self):
@@ skipping 1601 matching lines @@
         owners_check=False)
     self.assertEqual(1, len(results))
     self.assertEqual(
         'Found line ending with white spaces in:', results[0]._message)
     self.checkstdout('')
 
 
 if __name__ == '__main__':
   import unittest
   unittest.main()