[Findit] Add local_git_repository

appengine/findit/lib/gitiles/test/repo_util_test.py

Index: appengine/findit/lib/gitiles/test/repo_util_test.py
diff --git a/appengine/findit/lib/gitiles/test/repo_util_test.py b/appengine/findit/lib/gitiles/test/repo_util_test.py
index a5f62edc4efaa9d4f8f9f29ddb868d2338b3d11b..1ebb9beb1ff0b4435cc030b89f88c48f05826428 100644
--- a/appengine/findit/lib/gitiles/test/repo_util_test.py
+++ b/appengine/findit/lib/gitiles/test/repo_util_test.py
@@ -4,6 +4,7 @@
 
 import json
 import StringIO
+import subprocess
 from testing_utils import testing
 import textwrap
 import urllib2
@@ -133,3 +134,28 @@ class RepoUtilTest(testing.AppengineTestCase):
 
     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)