Change models.py to use typed class members instead of a list of strings.

tests/try_job_on_rietveld_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 verification/try_job_on_rietveld.py."""
 
 import logging
 import os
 import random
@@ skipping 59 matching lines @@
         revision, key, completed)
     return self.builders[builder].builds[number]
 
 
 def _posted(builders):
   return 'trigger_try_jobs(42, 23, \'CQ\', False, \'HEAD\', %s)' % str(builders)
 
 
 def gen_job_pending(**kwargs):
   value = {
-    '__persistent_module__': 'verification.try_job_on_rietveld',
     '__persistent_type__': 'RietveldTryJobPending',
     'builder': None,
     'clobber': False,
     'requested_steps': [],
     'revision': None,
     'tries': 1,
   }
   assert all(arg in value for arg in kwargs)
   value.update(kwargs)
   return value
 
 
 def gen_job(**kwargs):
   value = {
-    '__persistent_module__': 'verification.try_job_on_rietveld',
     '__persistent_type__': 'RietveldTryJob',
     'build': None,
     'builder': None,
     'clobber': False,
     'completed': False,
     'init_time': 1,
     'requested_steps': [],
     'revision': None,
     'started': 1,
     'steps_failed': [],
     'steps_passed': [],
     'tries': 1,
     'parent_key': None,
   }
   assert all(arg in value for arg in kwargs)
   value.update(kwargs)
   return value
 
 
 def gen_jobs(**kwargs):
   value =  {
-    '__persistent_module__': 'verification.try_job_on_rietveld',
     '__persistent_type__': 'RietveldTryJobs',
     'builders_and_tests': {},
     'triggered_builders': {},
     'error_message': None,
     'irrelevant': [],
     'pendings': [],
     'skipped': False,
     'try_jobs': {},
   }
   assert all(arg in value for arg in kwargs)
@@ skipping 796 matching lines @@
     self.assertEquals({}, jobs.tests_need_to_be_run())
     self.assertEquals({'tester1': ['test3']}, jobs.tests_waiting_for_result())
 
 
 if __name__ == '__main__':
   logging.basicConfig(
       level=[logging.WARNING, logging.INFO, logging.DEBUG][
         min(sys.argv.count('-v'), 2)],
       format='%(levelname)5s %(module)15s(%(lineno)3d): %(message)s')
   unittest.main()