Introduce different repo types (git and gitiles)

unittests/package_test.py

 #!/usr/bin/env python
 # Copyright 2015 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 import copy
 import doctest
 import os
 import subprocess
 import sys
@@ skipping 34 matching lines @@
     self.mock_subprocess_patcher.stop()
     self.mock_os_patcher.stop()
 
     super(MockIOThings, self).tearDown()
 
 
 class TestGitRepoSpec(repo_test_util.RepoTest):
   def test_commit_infos(self):
     repos = self.repo_setup({'a': []})
 
-    spec = package.GitRepoSpec(
-        'a', repos['a']['root'], 'master', repos['a']['revision'], '')
+    spec = self.get_git_repo_spec(repos['a'])
     self.assertEqual(
         [],
         [ci.dump() for ci in spec.commit_infos(self._context, 'HEAD')])
 
     c1 = self.commit_in_repo(
         repos['a'], message='c1', author_email=TEST_AUTHOR)
     self.reset_repo(repos['a'], repos['a']['revision'])
     self.assertEqual([
             {
                 'repo_id': 'a',
@@ skipping 20 matching lines @@
                 'revision': c2['revision'],
                 'message': 'c2',
                 'author': TEST_AUTHOR
             },
         ],
         [ci.dump() for ci in spec.commit_infos(self._context, c2['revision'])])
 
   def test_raw_updates(self):
     repos = self.repo_setup({'a': []})
 
-    spec = package.GitRepoSpec(
-        'a', repos['a']['root'], 'master', repos['a']['revision'], '')
+    spec = self.get_git_repo_spec(repos['a'])
     self.assertEqual([], spec.raw_updates(self._context, 'HEAD'))
 
     c1 = self.commit_in_repo(repos['a'], message='c1')
     self.reset_repo(repos['a'], repos['a']['revision'])
     self.assertEqual([
         c1['revision']],
         spec.raw_updates(self._context, c1['revision']))
 
     self.reset_repo(repos['a'], c1['revision'])
     c2 = self.commit_in_repo(repos['a'], message='c2')
     self.reset_repo(repos['a'], repos['a']['revision'])
     self.assertEqual([
         c1['revision'], c2['revision']],
         spec.raw_updates(self._context, c2['revision']))
 
     self.reset_repo(repos['a'], c2['revision'])
     c3 = self.commit_in_repo(repos['a'], message='c3')
     self.reset_repo(repos['a'], repos['a']['revision'])
     self.assertEqual([
         c1['revision'], c2['revision'], c3['revision']],
         spec.raw_updates(self._context, c3['revision']))
 
   def test_get_more_recent_revision(self):
     repos = self.repo_setup({'a': []})
 
-    spec = package.GitRepoSpec(
-        'a', repos['a']['root'], 'master', repos['a']['revision'], '')
+    spec = self.get_git_repo_spec(repos['a'])
 
     c1 = self.commit_in_repo(repos['a'], message='c1')
     c2 = self.commit_in_repo(repos['a'], message='c2')
 
     self.assertEqual(
         c2['revision'],
         spec.get_more_recent_revision(
             self._context, c1['revision'], c2['revision']))
 
     self.assertEqual(
@@ skipping 344 matching lines @@
       self.assertFalse(checkout.called)
 
 
 def load_tests(_loader, tests, _ignore):
   tests.addTests(doctest.DocTestSuite(package))
   return tests
 
 
 if __name__ == '__main__':
   result = unittest.main()