1 files changed, 15 insertions, 0 deletions
diff --git a/spec/frontend/lib/utils/datetime/date_format_utility_spec.js b/spec/frontend/lib/utils/datetime/date_format_utility_spec.js
index e7a6367eeac..65018fe1625 100644
--- a/spec/frontend/lib/utils/datetime/date_format_utility_spec.js
+++ b/spec/frontend/lib/utils/datetime/date_format_utility_spec.js
@@ -152,3 +152,18 @@ describe('formatUtcOffset', () => {
     expect(utils.formatUtcOffset(offset)).toEqual(expected);
   });
 });
+
+describe('humanTimeframe', () => {
+  it.each`
+    startDate     | dueDate        | returnValue
+    ${'2021-1-1'} | ${'2021-2-28'} | ${'Jan 1 – Feb 28, 2021'}
+    ${'2021-1-1'} | ${'2022-2-28'} | ${'Jan 1, 2021 – Feb 28, 2022'}
+    ${'2021-1-1'} | ${null}        | ${'Jan 1, 2021 – No due date'}
+    ${null}       | ${'2021-2-28'} | ${'No start date – Feb 28, 2021'}
+  `(
+    'returns string "$returnValue" when startDate is $startDate and dueDate is $dueDate',
+    ({ startDate, dueDate, returnValue }) => {
+      expect(utils.humanTimeframe(startDate, dueDate)).toBe(returnValue);
+    },
+  );
+});