2569718930@qq.com
115 lines
4.1 KiB
Python
115 lines
4.1 KiB
Python
def test_canonical_engine_prefers_settlement_station_over_later_nearby_row():
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from web.services.canonical_engine import build_canonical_temperature_from_observations
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canonical = build_canonical_temperature_from_observations(
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"shenzhen",
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[
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{
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"source": "hko_obs",
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"city": "shenzhen",
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"station_code": "HKO",
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"station_name": "Hong Kong Observatory",
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"value": 27.6,
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"value_unit": "c",
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"observed_at": "2026-06-14T01:00:00+00:00",
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"fetched_at": "2026-06-14T01:05:00+00:00",
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"status": "ok",
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"payload": {"source_label": "HKO"},
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"updated_at_ts": 2000.0,
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},
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{
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"source": "hko_obs",
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"city": "shenzhen",
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"station_code": "LFS",
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"station_name": "Lau Fau Shan",
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"value": 28.1,
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"value_unit": "c",
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"observed_at": "2026-06-14T01:00:00+00:00",
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"fetched_at": "2026-06-14T01:05:00+00:00",
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"status": "ok",
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"payload": {"source_label": "HKO"},
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"updated_at_ts": 1000.0,
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},
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],
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)
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assert canonical is not None
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assert canonical["city"] == "shenzhen"
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assert canonical["value"] == 28.1
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assert canonical["source"] == "hko_obs"
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assert canonical["source_role"] == "settlement_official"
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assert canonical["station_code"] == "LFS"
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assert canonical["station_name"] == "Lau Fau Shan"
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assert canonical["freshness_status"] == "fresh"
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assert canonical["freshness_sec"] == 300
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def test_canonical_engine_ignores_failed_latest_rows():
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from web.services.canonical_engine import build_canonical_temperature_from_observations
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canonical = build_canonical_temperature_from_observations(
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"qingdao",
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[
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{
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"source": "amsc_awos",
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"city": "qingdao",
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"station_code": "ZSQD",
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"value": None,
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"value_unit": "c",
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"observed_at": "",
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"fetched_at": "2026-06-14T01:05:00+00:00",
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"status": "timeout",
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"payload": {"error": "timeout"},
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"updated_at_ts": 2000.0,
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},
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{
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"source": "madis_hfmetar",
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"city": "qingdao",
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"station_code": "ZSQD",
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"station_name": "Qingdao Jiaodong",
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"value": 24.0,
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"value_unit": "c",
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"observed_at": "2026-06-14T01:00:00+00:00",
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"fetched_at": "2026-06-14T01:05:00+00:00",
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"status": "ok",
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"payload": {"source_label": "MADIS HFMETAR"},
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"updated_at_ts": 1000.0,
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},
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],
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)
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assert canonical is not None
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assert canonical["source"] == "madis_hfmetar"
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assert canonical["value"] == 24.0
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def test_canonical_engine_builds_realtime_event_from_canonical():
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from web.services.canonical_engine import build_realtime_event_from_canonical
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event = build_realtime_event_from_canonical(
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{
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"city": "shenzhen",
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"value": 28.1,
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"temp_symbol": "°C",
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"source": "hko_obs",
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"station_code": "LFS",
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"station_name": "Lau Fau Shan",
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"observed_at": "2026-06-14T01:00:00+00:00",
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"freshness_sec": 300,
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"freshness_status": "fresh",
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"confidence": 0.9,
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}
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)
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assert event is not None
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assert event["type"] == "city_observation_patch.v1"
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assert event["city"] == "shenzhen"
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assert event["source"] == "hko_obs"
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assert event["obs_time"] == "2026-06-14T01:00:00Z"
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assert event["payload"]["temp"] == 28.1
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assert event["payload"]["station_code"] == "LFS"
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assert event["payload"]["station_label"] == "Lau Fau Shan"
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assert event["payload"]["unit"] == "celsius"
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assert event["payload"]["freshness_status"] == "fresh"
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assert event["payload"]["confidence"] == 0.9
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