Add test for datetime parsing

1 files changed, 99 insertions, 0 deletions

diff --git a/test/unit/test_datetime_parsing.py b/test/unit/test_datetime_parsing.py
new file mode 100644
index 0000000..028a3c1
--- /dev/null
+++ b/test/unit/test_datetime_parsing.py
@@ -0,0 +1,99 @@
+import unittest
+from datetime import datetime
+from datetime import timezone
+from datetime import timedelta
+
+from nbxmpp.modules.date_and_time import parse_datetime
+from nbxmpp.modules.date_and_time import LocalTimezone
+from nbxmpp.modules.date_and_time import create_tzinfo
+
+
+class TestDateTime(unittest.TestCase):
+
+    def test_convert_to_utc(self):
+
+        strings = {
+            # Valid UTC strings and fractions
+            '2017-11-05T01:41:20Z': 1509846080.0,
+            '2017-11-05T01:41:20.123Z': 1509846080.123,
+            '2017-11-05T01:41:20.123123123+00:00': 1509846080.123123,
+            '2017-11-05T01:41:20.123123123123123-00:00': 1509846080.123123,
+
+            # Invalid strings
+            '2017-11-05T01:41:20Z+05:00': None,
+            '2017-11-05T01:41:20+0000': None,
+            '2017-11-05T01:41:20-0000': None,
+
+            # Valid strings with offset
+            '2017-11-05T01:41:20-05:00': 1509864080.0,
+            '2017-11-05T01:41:20+05:00': 1509828080.0,
+        }
+
+        strings2 = {
+            # Valid strings with offset
+            '2017-11-05T01:41:20-05:00': datetime(2017, 11, 5, 1, 41, 20, 0, create_tzinfo(hours=-5)),
+            '2017-11-05T01:41:20+05:00': datetime(2017, 11, 5, 1, 41, 20, 0, create_tzinfo(hours=5)),
+        }
+
+        for time_string, expected_value in strings.items():
+            result = parse_datetime(time_string, convert='utc', epoch=True)
+            self.assertEqual(result, expected_value)
+
+        for time_string, expected_value in strings2.items():
+            result = parse_datetime(time_string, convert='utc')
+            self.assertEqual(result, expected_value.astimezone(timezone.utc))
+
+    def test_convert_to_local(self):
+
+        strings = {
+            # Valid UTC strings and fractions
+            '2017-11-05T01:41:20Z': datetime(2017, 11, 5, 1, 41, 20, 0, timezone.utc),
+            '2017-11-05T01:41:20.123Z': datetime(2017, 11, 5, 1, 41, 20, 123000, timezone.utc),
+            '2017-11-05T01:41:20.123123123+00:00': datetime(2017, 11, 5, 1, 41, 20, 123123, timezone.utc),
+            '2017-11-05T01:41:20.123123123123123-00:00': datetime(2017, 11, 5, 1, 41, 20, 123123, timezone.utc),
+
+            # Valid strings with offset
+            '2017-11-05T01:41:20-05:00': datetime(2017, 11, 5, 1, 41, 20, 0, create_tzinfo(hours=-5)),
+            '2017-11-05T01:41:20+05:00': datetime(2017, 11, 5, 1, 41, 20, 0, create_tzinfo(hours=5)),
+        }
+
+        for time_string, expected_value in strings.items():
+            result = parse_datetime(time_string, convert='local')
+            self.assertEqual(result, expected_value.astimezone(LocalTimezone()))
+
+    def test_no_convert(self):
+
+        strings = {
+            # Valid UTC strings and fractions
+            '2017-11-05T01:41:20Z': timedelta(0),
+            '2017-11-05T01:41:20.123Z': timedelta(0),
+            '2017-11-05T01:41:20.123123123+00:00': timedelta(0),
+            '2017-11-05T01:41:20.123123123123123-00:00': timedelta(0),
+
+            # Valid strings with offset
+            '2017-11-05T01:41:20-05:00': timedelta(hours=-5),
+            '2017-11-05T01:41:20+05:00': timedelta(hours=5),
+        }
+
+        for time_string, expected_value in strings.items():
+            result = parse_datetime(time_string, convert=None)
+            self.assertEqual(result.utcoffset(), expected_value)
+
+    def test_check_utc(self):
+
+        strings = {
+            # Valid UTC strings and fractions
+            '2017-11-05T01:41:20Z': 1509846080.0,
+            '2017-11-05T01:41:20.123Z': 1509846080.123,
+            '2017-11-05T01:41:20.123123123+00:00': 1509846080.123123,
+            '2017-11-05T01:41:20.123123123123123-00:00': 1509846080.123123,
+
+            # Valid strings with offset
+            '2017-11-05T01:41:20-05:00': None,
+            '2017-11-05T01:41:20+05:00': None,
+        }
+
+        for time_string, expected_value in strings.items():
+            result = parse_datetime(
+                time_string, check_utc=True, epoch=True)
+            self.assertEqual(result, expected_value)