Fix task delay for specific time with milliseconds (#404)

Co-authored-by: Aleksei Briushinin <[email protected]>

taskiq/cli/scheduler/run.py

@@ -94,12 +94,15 @@ def get_task_delay(task: ScheduledTask) -> Optional[int]:
             return 0
         return None
     if task.time is not None:
-        task_time = to_tz_aware(task.time).replace(microsecond=0)
+        task_time = to_tz_aware(task.time)
         if task_time <= now:
             return 0
         one_min_ahead = (now + timedelta(minutes=1)).replace(second=1, microsecond=0)
         if task_time <= one_min_ahead:
-            return int((task_time - now).total_seconds())
+            delay = task_time - now
+            if delay.microseconds:
+                return int(delay.total_seconds()) + 1
+            return int(delay.total_seconds())
     return None
 
 

tests/cli/scheduler/test_task_delays.py

@@ -124,3 +124,21 @@ def test_time_delay() -> None:
         ),
     )
     assert delay is not None and delay == 15
+
+
+@freeze_time("2023-01-14 12:00:00.05")
+def test_time_delay_with_milliseconds() -> None:
+    time = datetime.datetime.now(tz=pytz.UTC) + datetime.timedelta(
+        seconds=15,
+        milliseconds=150,
+    )
+    delay = get_task_delay(
+        ScheduledTask(
+            task_name="",
+            labels={},
+            args=[],
+            kwargs={},
+            time=time,
+        ),
+    )
+    assert delay is not None and delay == 16