1 files changed, 56 insertions, 0 deletions
diff --git a/libs/aniso8601/tests/test_utcoffset.py b/libs/aniso8601/tests/test_utcoffset.py
new file mode 100644
index 000000000..11fa4f7d9
--- /dev/null
+++ b/libs/aniso8601/tests/test_utcoffset.py
@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2021, Brandon Nielsen
+# All rights reserved.
+#
+# This software may be modified and distributed under the terms
+# of the BSD license.  See the LICENSE file for details.
+
+import datetime
+import pickle
+import unittest
+
+from aniso8601.utcoffset import UTCOffset
+
+
+class TestUTCOffset(unittest.TestCase):
+    def test_pickle(self):
+        # Make sure timezone objects are pickleable
+        testutcoffset = UTCOffset(name="UTC", minutes=0)
+
+        utcoffsetpickle = pickle.dumps(testutcoffset)
+
+        resultutcoffset = pickle.loads(utcoffsetpickle)
+
+        self.assertEqual(resultutcoffset._name, testutcoffset._name)
+        self.assertEqual(resultutcoffset._utcdelta, testutcoffset._utcdelta)
+
+    def test_repr(self):
+        self.assertEqual(str(UTCOffset(minutes=0)), "+0:00:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=60)), "+1:00:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=-60)), "-1:00:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=12)), "+0:12:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=-12)), "-0:12:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=83)), "+1:23:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=-83)), "-1:23:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=1440)), "+1 day, 0:00:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=-1440)), "-1 day, 0:00:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=2967)), "+2 days, 1:27:00 UTC")
+
+        self.assertEqual(str(UTCOffset(minutes=-2967)), "-2 days, 1:27:00 UTC")
+
+    def test_dst(self):
+        tzinfoobject = UTCOffset(minutes=240)
+        # This would raise ISOFormatError or a TypeError if dst info is invalid
+        result = datetime.datetime.now(tzinfoobject)
+        # Hacky way to make sure the tzinfo is what we'd expect
+        self.assertEqual(result.tzinfo.utcoffset(None), datetime.timedelta(hours=4))