from __future__ import annotations

import unittest
from datetime import datetime, timezone

from govoplan_calendar.backend.capabilities import SqlCalendarSchedulingProvider
from govoplan_core.core.calendar import CalendarCapabilityError, CalendarEventRequest


class CalendarSchedulingCapabilityTests(unittest.TestCase):
    def test_event_request_validation_is_exposed_as_capability_error(self) -> None:
        provider = SqlCalendarSchedulingProvider()

        with self.assertRaises(CalendarCapabilityError):
            provider.create_event(
                object(),
                tenant_id="tenant-1",
                user_id="user-1",
                request=CalendarEventRequest(
                    summary="x" * 501,
                    start_at=datetime(2026, 7, 20, 9, tzinfo=timezone.utc),
                ),
            )


if __name__ == "__main__":
    unittest.main()