[Findit] Factoring the gitiles (etc) stuff out into its own directory

appengine/findit/common/test/change_log_test.py

-# Copyright 2014 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 unittest
-
-from common.change_log import FileChangeInfo
-from common.change_log import ChangeLog
-
-class ChangeLogTest(unittest.TestCase):
-  def testFileChangeinfo(self):
-    filechange_dict = {
-        'change_type': 'copy',
-        'old_path': 'a',
-        'new_path': 'b'
-    }
-    filechange_info = FileChangeInfo.FromDict(filechange_dict)
-    self.assertEqual(filechange_dict, filechange_info.ToDict())
-
-  def testChangeLog(self):
-    change_log_dict = {
-      'author_name': 'a',
-      'author_email': 'b@email.com',
-      'author_time': '2014-08-13 00:53:12',
-      'committer_name': 'c',
-      'committer_email': 'd@email.com',
-      'committer_time': '2014-08-14 00:53:12',
-      'revision': 'aaaa',
-      'commit_position': 1111,
-      'touched_files': [
-          {
-              'change_type': 'copy',
-              'old_path': 'old_file',
-              'new_path': 'new_file'
-          },
-          {
-              'change_type': 'modify',
-              'old_path': 'file',
-              'new_path': 'file'
-          }
-      ],
-      'message': 'blabla...',
-      'commit_url': 'https://chromium.googlesource.com/chromium/src/+/git_hash',
-      'code_review_url': 'https://codereview.chromium.org/2222',
-      'reverted_revision': '8d4a4fa6s18raf3re12tg6r'
-    }
-
-    change_log = ChangeLog.FromDict(change_log_dict)
-    self.assertEqual(change_log_dict, change_log.ToDict())