1 files changed, 19 insertions, 0 deletions
diff --git a/src/pybind/mgr/tests/test_mgr_util.py b/src/pybind/mgr/tests/test_mgr_util.py
new file mode 100644
index 000000000..fb7732d5c
--- /dev/null
+++ b/src/pybind/mgr/tests/test_mgr_util.py
@@ -0,0 +1,19 @@
+import datetime
+import mgr_util
+
+import pytest
+
+
+@pytest.mark.parametrize(
+    "delta, out",
+    [
+        (datetime.timedelta(minutes=90), '90m'),
+        (datetime.timedelta(minutes=190), '3h'),
+        (datetime.timedelta(days=3), '3d'),
+        (datetime.timedelta(hours=3), '3h'),
+        (datetime.timedelta(days=365 * 3.1), '3y'),
+        (datetime.timedelta(minutes=90), '90m'),
+    ]
+)
+def test_pretty_timedelta(delta: datetime.timedelta, out: str):
+    assert mgr_util.to_pretty_timedelta(delta) == out