[Findit] Add local_git_repository

appengine/findit/lib/gitiles/test/repo_util_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 json
 import StringIO
+import subprocess
 from testing_utils import testing
 import textwrap
 import urllib2
 
 from lib.gitiles import repo_util
 
 
 class RepoUtilTest(testing.AppengineTestCase):
 
   def testExtractCommitPositionAndCodeReviewUrl(self):
@@ skipping 109 matching lines @@
   def testGetRevertedRevisionNoRevertedCL(self):
     message = (
         'Test for not revert cl\n\n'
         'TBR=test@chromium.org\nNOPRESUBMIT=true\n'
         'NOTREECHECKS=true\nNOTRY=true\nBUG=424661\n\n'
         'Review URL: https://codereview.chromium.org/1161773008\n\n'
         'Cr-Commit-Position: refs/heads/master@{#332062}\n')
 
     reverted_revision = repo_util.GetRevertedRevision(message)
     self.assertIsNone(reverted_revision)
+
+  def testGetLocalGitCommandOutput(self):
+    class _MockProcess(object):
+      def __init__(self, command, *_):
+        self.command = command
+
+      def communicate(self, *_):
+        return self.command, 'dummy'
+
+      @property
+      def returncode(self):

[wrengr, 2016/11/01 20:26:53]

-> ``return 1 if self.command == 'dummy' else 0``

[Sharu Jiang, 2016/11/05 01:18:16]

Done.

+        if self.command == 'dummy':
+          return 1
+
+        return 0
+
+    def _MockPopen(command, **_):
+      return _MockProcess(command)
+
+    self.mock(subprocess, 'Popen', _MockPopen)

[wrengr, 2016/11/01 20:26:53]

-> ``self.mock(subprocess, 'Popen',
         lambda command, **_: _MockProcess(command))``

[Sharu Jiang, 2016/11/05 01:18:16]

Done.

+    output = repo_util.GetCommandOutput('command')
+    self.assertEqual(output, 'command')
+
+    output = repo_util.GetCommandOutput('dummy')
+    self.assertEqual(output, None)