Make gclient ready for the Blink (DEPS to main project) transition

tests/gclient_scm_test.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 gclient_scm.py."""
 
 # pylint: disable=E1103
 
 # Import before super_mox to keep valid references.
@@ skipping 1227 matching lines @@
     self.assertEquals(expected, strip_timestamps(value))
 
   def setUp(self):
     BaseTestCase.setUp(self)
     self.fake_hash_1 = 't0ta11yf4k3'
     self.fake_hash_2 = '3v3nf4k3r'
     self.url = 'git://foo'
     self.root_dir = '/tmp' if sys.platform != 'win32' else 't:\\tmp'
     self.relpath = 'fake'
     self.base_path = os.path.join(self.root_dir, self.relpath)
+    self.backup_base_path = os.path.join(self.root_dir,
+                                         'old_%s.git' % self.relpath)
 
   def tearDown(self):
     BaseTestCase.tearDown(self)
 
   def testGetUsableRevGit(self):
     # pylint: disable=E1101
     options = self.Options(verbose=True)
 
     self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsValidRevision', True)
     gclient_scm.scm.GIT.IsValidRevision(cwd=self.base_path, rev=self.fake_hash_1
@@ skipping 89 matching lines @@
     # We currently check for seemingly valid SVN revisions by assuming 6 digit
     # numbers, so assure that numeric revs >= 1000000 don't work.
     self.assertRaises(gclient_scm.gclient_utils.Error,
                       git_svn_scm.GetUsableRev, too_big, options)
 
   def testUpdateNoDotGit(self):
     options = self.Options()
 
     gclient_scm.os.path.isdir(
         os.path.join(self.base_path, '.git', 'hooks')).AndReturn(False)
+    gclient_scm.os.path.exists(self.backup_base_path).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(True)
     gclient_scm.os.path.isdir(self.base_path).AndReturn(True)
     gclient_scm.os.path.exists(os.path.join(self.base_path, '.git')
                                ).AndReturn(False)
     self.mox.StubOutWithMock(gclient_scm.GitWrapper, '_Clone', True)
     # pylint: disable=E1120
     gclient_scm.GitWrapper._Clone('refs/remotes/origin/master', self.url,
                                   options)
     self.mox.StubOutWithMock(gclient_scm.subprocess2, 'check_output', True)
     gclient_scm.subprocess2.check_output(
@@ skipping 10 matching lines @@
     scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
                             relpath=self.relpath)
     scm.update(options, None, [])
     self.checkstdout('\n')
 
   def testUpdateConflict(self):
     options = self.Options()
 
     gclient_scm.os.path.isdir(
         os.path.join(self.base_path, '.git', 'hooks')).AndReturn(False)
+    gclient_scm.os.path.exists(self.backup_base_path).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(True)
     gclient_scm.os.path.isdir(self.base_path).AndReturn(True)
     gclient_scm.os.path.exists(os.path.join(self.base_path, '.git')
                                ).AndReturn(False)
     self.mox.StubOutWithMock(gclient_scm.GitWrapper, '_Clone', True)
     # pylint: disable=E1120
     gclient_scm.GitWrapper._Clone(
         'refs/remotes/origin/master', self.url, options
     ).AndRaise(gclient_scm.subprocess2.CalledProcessError(None, None, None,
                                                           None, None))
@@ skipping 221 matching lines @@
 
 if __name__ == '__main__':
   level = logging.DEBUG if '-v' in sys.argv else logging.FATAL
   logging.basicConfig(
       level=level,
       format='%(asctime).19s %(levelname)s %(filename)s:'
              '%(lineno)s %(message)s')
   unittest.main()
 
 # vim: ts=2:sw=2:tw=80:et: