1 files changed, 52 insertions, 0 deletions
diff --git a/libs/dateutil/test/test_utils.py b/libs/dateutil/test/test_utils.py
new file mode 100644
index 000000000..fe1bfdcb8
--- /dev/null
+++ b/libs/dateutil/test/test_utils.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+from datetime import timedelta, datetime
+
+from dateutil import tz
+from dateutil import utils
+from dateutil.tz import UTC
+from dateutil.utils import within_delta
+
+from freezegun import freeze_time
+
+NYC = tz.gettz("America/New_York")
+
+
+@freeze_time(datetime(2014, 12, 15, 1, 21, 33, 4003))
+def test_utils_today():
+    assert utils.today() == datetime(2014, 12, 15, 0, 0, 0)
+
+
+@freeze_time(datetime(2014, 12, 15, 12), tz_offset=5)
+def test_utils_today_tz_info():
+    assert utils.today(NYC) == datetime(2014, 12, 15, 0, 0, 0, tzinfo=NYC)
+
+
+@freeze_time(datetime(2014, 12, 15, 23), tz_offset=5)
+def test_utils_today_tz_info_different_day():
+    assert utils.today(UTC) == datetime(2014, 12, 16, 0, 0, 0, tzinfo=UTC)
+
+
+def test_utils_default_tz_info_naive():
+    dt = datetime(2014, 9, 14, 9, 30)
+    assert utils.default_tzinfo(dt, NYC).tzinfo is NYC
+
+
+def test_utils_default_tz_info_aware():
+    dt = datetime(2014, 9, 14, 9, 30, tzinfo=UTC)
+    assert utils.default_tzinfo(dt, NYC).tzinfo is UTC
+
+
+def test_utils_within_delta():
+    d1 = datetime(2016, 1, 1, 12, 14, 1, 9)
+    d2 = d1.replace(microsecond=15)
+
+    assert within_delta(d1, d2, timedelta(seconds=1))
+    assert not within_delta(d1, d2, timedelta(microseconds=1))
+
+
+def test_utils_within_delta_with_negative_delta():
+    d1 = datetime(2016, 1, 1)
+    d2 = datetime(2015, 12, 31)
+
+    assert within_delta(d2, d1, timedelta(days=-1))