Fix manual auto-sync callback timing

tests/utils/test_remnawave_auto_sync.py

@@ -0,0 +1,52 @@
+from datetime import datetime, time as time_cls
+from types import SimpleNamespace
+
+import pytest
+
+from app.config import settings
+from app.services.remnawave_sync_service import RemnaWaveAutoSyncService
+
+
+@pytest.mark.parametrize(
+    "raw, expected",
+    [
+        ("03:00, 15:30 03:00; 07:05", [time_cls(3, 0), time_cls(7, 5), time_cls(15, 30)]),
+        ("", []),
+        (None, []),
+        ("25:00, 10:70, test, 09:15", [time_cls(9, 15)]),
+    ],
+)
+def test_parse_daily_time_list(raw, expected):
+    assert settings.parse_daily_time_list(raw) == expected
+
+
+def _patch_datetime(monkeypatch, current):
+    real_datetime = datetime
+
+    monkeypatch.setattr(
+        "app.services.remnawave_sync_service.datetime",
+        SimpleNamespace(
+            utcnow=lambda: current,
+            combine=lambda date_obj, time_obj: real_datetime.combine(date_obj, time_obj),
+        ),
+    )
+
+
+def test_calculate_next_run_same_day(monkeypatch):
+    service = RemnaWaveAutoSyncService()
+    current = datetime(2024, 1, 1, 2, 30)
+    _patch_datetime(monkeypatch, current)
+
+    next_run = service._calculate_next_run([time_cls(1, 0), time_cls(3, 0)])
+
+    assert next_run == datetime(2024, 1, 1, 3, 0)
+
+
+def test_calculate_next_run_rollover(monkeypatch):
+    service = RemnaWaveAutoSyncService()
+    current = datetime(2024, 1, 1, 23, 45)
+    _patch_datetime(monkeypatch, current)
+
+    next_run = service._calculate_next_run([time_cls(1, 0), time_cls(10, 0)])
+
+    assert next_run == datetime(2024, 1, 2, 1, 0)