Implement test cases suggested by @MarkKoz.

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/utils/test_time.py b/tests/utils/test_time.py
index 3d7423a1d..61dd55c4a 100644
--- a/tests/utils/test_time.py
+++ b/tests/utils/test_time.py
@@ -16,6 +16,17 @@ from tests.helpers import AsyncMock
         (relativedelta(days=2, hours=2), 'seconds', 2, '2 days and 2 hours'),
         (relativedelta(days=2, hours=2), 'seconds', 1, '2 days'),
         (relativedelta(days=2, hours=2), 'days', 2, '2 days'),
+
+        # Does not abort for unknown units, as the unit name is checked
+        # against the attribute of the relativedelta instance.
+        (relativedelta(days=2, hours=2), 'elephants', 2, '2 days and 2 hours'),
+
+        # Very high maximum units, but it only ever iterates over
+        # each value the relativedelta might have.
+        (relativedelta(days=2, hours=2), 'hours', 20, '2 days and 2 hours'),
+
+        # Negative maximum units.
+        (relativedelta(days=2, hours=2), 'hours', -1, 'less than a hour'),
     )
 )
 def test_humanize_delta(