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appengine/findit/common/test/time_util_test.py

Index: appengine/findit/common/test/time_util_test.py
diff --git a/appengine/findit/common/test/time_util_test.py b/appengine/findit/common/test/time_util_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..607130e590bf5ea1be8b88c8d774e68baaab4b43
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+++ b/appengine/findit/common/test/time_util_test.py
@@ -0,0 +1,37 @@
+# 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 import time_util
+from datetime import datetime
+from datetime import timedelta
+
+
+class DiffTest(unittest.TestCase):
+  def testRemoveMicrosecondsFromDelta(self):
+    date1 = datetime(2016, 5, 1, 1, 1, 1, 1)
+    date2 = datetime(2016, 5, 1, 1, 1, 1, 2)
+    delta = date2 - date1
+
+    self.assertEqual(
+        time_util.RemoveMicrosecondsFromDelta(delta).microseconds,
+        0)
+
+  def testFormatTimedelta(self):
+    self.assertIsNone(time_util.FormatTimedelta(None))
+    self.assertEqual(time_util.FormatTimedelta(timedelta(0, 1)),
+                     '00:00:01')
+    self.assertEqual(time_util.FormatTimedelta(timedelta(0, 60)),
+                     '00:01:00')
+    self.assertEqual(time_util.FormatTimedelta(timedelta(0, 3600)),
+                     '01:00:00')
+    self.assertEqual(time_util.FormatTimedelta(timedelta(0, 0, 1)),
+                     '00:00:00')
+
+  def testFormatDatetime(self):
+    self.assertIsNone(time_util.FormatDatetime(None))
+    self.assertEqual(
+        time_util.FormatDatetime(datetime(2016, 1, 2, 1, 2, 3)),
+        '2016-01-02 01:02:03 UTC')