add test

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

packages/types/src/time.test.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { HumanDuration } from './time';
+import { HumanDuration, durationToMilliseconds } from './time';
 import { Duration } from 'luxon';
 
 describe('time', () => {
@@ -33,4 +33,38 @@ describe('time', () => {
       expect(Duration.fromObject(d).toObject()).toEqual(d);
     });
   });
+
+  describe('durationToMilliseconds', () => {
+    it('converts a compound duration to milliseconds', () => {
+      const duration: HumanDuration = {
+        years: 1,
+        months: 1,
+        weeks: 1,
+        days: 1,
+        hours: 1,
+        minutes: 1,
+        seconds: 1,
+        milliseconds: 1,
+      };
+      expect(durationToMilliseconds(duration)).toBe(
+        ((((365 + 30 + 7 + 1) * 24 + 1) * 60 + 1) * 60 + 1) * 1000 + 1,
+      );
+    });
+
+    const durations: HumanDuration[] = [
+      { years: 1 },
+      { months: 1 },
+      { weeks: 1 },
+      { days: 1 },
+      { hours: 1 },
+      { minutes: 1 },
+      { seconds: 1 },
+      { milliseconds: 1 },
+    ];
+    it.each(durations)('computes milliseconds like luxon does, %p', d => {
+      expect(Duration.fromObject(d).as('milliseconds')).toEqual(
+        durationToMilliseconds(d),
+      );
+    });
+  });
 });