import unittest

from app.services.sync_record_service import _collect_recent_domain_events


class SyncRecordServiceTests(unittest.TestCase):
    def test_collect_recent_domain_events_filters_and_keeps_latest_slice(self) -> None:
        active_job = {
            "current_cycle_events": [
                {
                    "node_code": "mainland-worker-01",
                    "event_type": "job_dispatch_sent",
                    "level": "info",
                    "message": "dispatch",
                    "created_at": "2026-04-19 01:00:05",
                    "payload": {"cycle_token": "cycle-1"},
                },
                {
                    "node_code": "mainland-worker-01",
                    "event_type": "domain_completed",
                    "level": "info",
                    "message": "完成 a.com",
                    "created_at": "2026-04-19 01:00:04",
                    "payload": {"domain": "a.com", "cycle_token": "cycle-1"},
                },
                {
                    "node_code": "mainland-worker-01",
                    "event_type": "domain_started",
                    "level": "info",
                    "message": "开始 b.com",
                    "created_at": "2026-04-19 01:00:03",
                    "payload": {"domain": "b.com", "cycle_token": "cycle-1"},
                },
                {
                    "node_code": "mainland-worker-01",
                    "event_type": "domain_failed",
                    "level": "warning",
                    "message": "失败 c.com",
                    "created_at": "2026-04-19 01:00:02",
                    "payload": {"domain": "c.com", "cycle_token": "cycle-1"},
                },
            ]
        }

        events = _collect_recent_domain_events(active_job, limit=2)

        self.assertEqual(2, len(events))
        self.assertEqual("domain_started", events[0]["event_type"])
        self.assertEqual("b.com", events[0]["payload"]["domain"])
        self.assertEqual("domain_completed", events[1]["event_type"])
        self.assertEqual("a.com", events[1]["payload"]["domain"])


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