add tests

src/tests/utils/time.test.ts

@@ -1,4 +1,10 @@
-import { nextTimeUnit, showDate, strToSeconds, TimeSecond } from "../../utils/time";
+import {
+  nextTimeUnit,
+  showDate,
+  strToSeconds,
+  timeDeltaToString,
+  TimeSecond,
+} from "../../utils/time";
 
 describe("Date with correct timezone", () => {
   const map = new Map([["u_time_at", "@"]]);
@@ -84,3 +90,25 @@ describe("Next time unit", () => {
     });
   }
 });
+
+describe("Relative time", () => {
+  // Thoses tests are based on time, we have 10s of acceptance.
+  {
+    const name = Date.now() + (10 * TimeSecond.Minute + 30) * 1000;
+    test(name.toString(), () => {
+      expect(timeDeltaToString(name)).toMatch(/10m 30s|10m 2\ds/);
+    });
+  }
+  {
+    const name = Date.now() + (12 * TimeSecond.Hour + 30 * TimeSecond.Minute) * 1000;
+    test(name.toString(), () => {
+      expect(timeDeltaToString(name)).toMatch(/12h 30m|12h 29m 5\ds/);
+    });
+  }
+  {
+    const name = Date.now() + (TimeSecond.Week + TimeSecond.Day + 6 * TimeSecond.Hour) * 1000;
+    test(name.toString(), () => {
+      expect(timeDeltaToString(name)).toMatch(/1w 1d 6h|1w 1d 5h 59m 5\ds/);
+    });
+  }
+});