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副本编号 LY-20261007-AC63（水印指纹已嵌入） 含 README、.gitignore；排除 .DS_Store / __pycache__ / .pytest_cache
55 lines
2.1 KiB
Python
55 lines
2.1 KiB
Python
"""历史时区 / 夏令时黄金样本（设计文档 §4.3 / §6.1 C 组）。
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逐条读 golden/history_tz.yaml，断言 to_utc 返回的 (utc, audit)：
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- tz_used / is_dst / dst_offset_min / source：audit 字段逐项相等
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- utc_offset_min：钟表时间 − UTC（分钟），验证 UTC 解算本身
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"""
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import sys
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import unittest
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from datetime import datetime
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from pathlib import Path
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import yaml
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SKILL_ROOT = Path(__file__).resolve().parents[1]
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SCRIPTS_DIR = SKILL_ROOT / "scripts"
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GOLDEN_DIR = Path(__file__).resolve().parent / "golden"
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if str(SCRIPTS_DIR) not in sys.path:
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sys.path.insert(0, str(SCRIPTS_DIR))
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from astro.timezone_resolve import to_utc # noqa: E402
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from geo.cities import resolve_location # noqa: E402
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AUDIT_KEYS = ("tz_used", "is_dst", "dst_offset_min", "source")
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class HistoryTzGoldenTest(unittest.TestCase):
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def test_history_tz_yaml(self):
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with open(GOLDEN_DIR / "history_tz.yaml", encoding="utf-8") as f:
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samples = yaml.safe_load(f)
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self.assertGreaterEqual(len(samples), 4, "history_tz.yaml 应有 4 条样本")
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for s in samples:
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with self.subTest(sample=s["name"], place=s["place"]):
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loc = resolve_location(s["place"])
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clock = datetime.strptime(s["birth"], "%Y-%m-%d %H:%M")
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utc, audit = to_utc(clock, loc)
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expect = s["expect"]
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for key in AUDIT_KEYS:
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if key in expect:
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self.assertEqual(
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audit[key], expect[key], f"audit[{key!r}] 不符"
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)
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if "utc_offset_min" in expect:
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offset_min = (
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clock - utc.replace(tzinfo=None)
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).total_seconds() / 60
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self.assertAlmostEqual(
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offset_min, expect["utc_offset_min"], delta=0.5,
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msg=f"UTC 偏移 {offset_min} 分 ≠ 期望 "
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f"{expect['utc_offset_min']} 分",
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)
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if __name__ == "__main__":
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unittest.main()
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