Jesse_Chen
33 lines
973 B
Python
33 lines
973 B
Python
from datetime import datetime
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import pytest
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import swisseph as swe
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from scripts.gulika import calculate_gulika
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from ayanamsa_utils import DEFAULT_AYANAMSA_NAME, apply_ayanamsa
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def _moon_longitude() -> float:
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jd = swe.julday(2000, 1, 1, 12.0)
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return float(swe.calc_ut(jd, swe.MOON, swe.FLG_SWIEPH | swe.FLG_SIDEREAL)[0][0])
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@pytest.mark.parametrize(("previous", "requested"), [("lahiri", "raman"), ("raman", "lahiri")])
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def test_gulika_restores_process_ayanamsa(previous: str, requested: str) -> None:
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try:
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assert apply_ayanamsa(previous, swe)
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before = _moon_longitude()
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result = calculate_gulika(
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datetime(1990, 1, 1, 12, 0),
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lat=39.9042,
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lon=116.4074,
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tz=8,
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ayanamsa=requested,
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)
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assert result["ayanamsa"] == requested
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assert _moon_longitude() == pytest.approx(before, abs=1e-10)
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finally:
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apply_ayanamsa(DEFAULT_AYANAMSA_NAME, swe)
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