Gerrit git cl: make it work with minimal file.

tests/git_cl_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 git_cl.py."""
 
 import json
 import os
 import StringIO
@@ skipping 310 matching lines @@
       self.fail('@%d\n'
                 '  Expected: %r\n'
                 '  Actual:   %r' % (
           len(self._calls_done), expected_args, args))
 
     self._calls_done.append(top)
     if isinstance(result, Exception):
       raise result
     return result
 
+  def test_LoadCodereviewSettingsFromFile_gerrit(self):
+    codereview_file = StringIO.StringIO('GERRIT_HOST: true')
+    self.calls = [
+      ((['git', 'config', '--unset-all', 'rietveld.cc'],), CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.private'],), CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.tree-status-url'],), CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.viewvc-url'],), CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.bug-prefix'],), CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.cpplint-regex'],), CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.force-https-commit-url'],),
+        CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.cpplint-ignore-regex'],),
+        CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.project'],), CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.pending-ref-prefix'],),
+        CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.git-number-footer'],),
+        CERR1),
+      ((['git', 'config', '--unset-all', 'rietveld.run-post-upload-hook'],),
+        CERR1),
+      ((['git', 'config', 'gerrit.host', 'true'],), ''),
+    ]
+    self.assertIsNone(git_cl.LoadCodereviewSettingsFromFile(codereview_file))
+
   @classmethod
   def _is_gerrit_calls(cls, gerrit=False):
     return [((['git', 'config', 'rietveld.autoupdate'],), ''),
             ((['git', 'config', 'gerrit.host'],), 'True' if gerrit else '')]
 
   @classmethod
   def _upload_calls(cls, similarity, find_copies, private):
     return (cls._git_base_calls(similarity, find_copies) +
             cls._git_upload_calls(private))
 
@@ skipping 1780 matching lines @@
     self.assertNotRegexpMatches(sys.stdout.getvalue(), 'Warning')
     self.assertRegexpMatches(sys.stdout.getvalue(), '^Failures:')
     self.assertRegexpMatches(sys.stdout.getvalue(), 'Started:')
     self.assertRegexpMatches(sys.stdout.getvalue(), '2 try jobs')
 
 
 if __name__ == '__main__':
   git_cl.logging.basicConfig(
       level=git_cl.logging.DEBUG if '-v' in sys.argv else git_cl.logging.ERROR)
   unittest.main()