chromium-status: tests: handle -vv and -vvv flags

tests/main_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.
 
 import hashlib
 import json
 import logging
+import optparse
 import os
 import re
 import sys
 import unittest
 import urllib2
 
 BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 
 import fill
 import local_gae
@@ skipping 332 matching lines @@
     self._check_post_thru_ui()
     # Verify the config now shows True.
     result = self.local_gae.query(
         'import base_page\n'
         'q = base_page.GlobalConfig.all()\n'
         'assert q.count() == 1\n'
         'print q.get().public_access\n')
     self.assertEqual('True\n', result)
 
 
+def _init_logging(argv):
+  """Set up our logging by re-using some of the unittest flags"""
+  parser = optparse.OptionParser()
+  parser.add_option('-v', action='count', default=0)
+  (opts, _) = parser.parse_args([x for x in argv if x.startswith('-v')])
+
+  levels = [logging.WARNING, logging.INFO, logging.DEBUG]
+  logging.basicConfig(level=levels[min(2, opts.v)])
+
+
 if __name__ == '__main__':
-  logging.basicConfig(level=
-      [logging.WARNING, logging.INFO, logging.DEBUG][
-        min(2, sys.argv.count('-v'))])
+  _init_logging(sys.argv)
   unittest.main()