50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
"""회기 읽기 모델의 시간 직렬화 계약 테스트."""
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from __future__ import annotations
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import unittest
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from datetime import datetime, timezone
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from .session_projection import iso
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from .session_read_model import session_calendar_date
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from .services.session_metrics import iso_datetime
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class SessionReadModelIsoTest(unittest.TestCase):
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def test_none_remains_none(self) -> None:
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self.assertIsNone(iso(None))
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def test_epoch_is_serialized_as_utc_with_offset(self) -> None:
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self.assertEqual(iso(0), "1970-01-01T00:00:00+00:00")
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def test_timestamp_round_trips_without_local_timezone_drift(self) -> None:
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timestamp = 1_800_000_120.0
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rendered = iso(timestamp)
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self.assertIsNotNone(rendered)
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assert rendered is not None
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parsed = datetime.fromisoformat(rendered)
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self.assertEqual(parsed.tzinfo, timezone.utc)
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self.assertEqual(parsed.timestamp(), timestamp)
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def test_serialized_timestamp_has_explicit_utc_suffix(self) -> None:
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rendered = iso(1_800_000_120.0)
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self.assertIsNotNone(rendered)
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assert rendered is not None
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self.assertTrue(rendered.endswith("+00:00"))
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def test_dashboard_metrics_use_the_same_utc_contract(self) -> None:
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timestamp = 1_800_000_120.0
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self.assertEqual(iso_datetime(timestamp), iso(timestamp))
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def test_review_calendar_date_uses_korea_standard_time(self) -> None:
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utc_late_afternoon = datetime(2026, 8, 8, 15, 30, tzinfo=timezone.utc)
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self.assertEqual(session_calendar_date(utc_late_afternoon.timestamp()), "2026-08-09")
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if __name__ == "__main__":
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unittest.main()
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