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from pathlib import Path
from skyfield.api import Topos
from ..predictions import Predictions
DATA_DIR = Path(__file__).parent / "data"
STATIONS = DATA_DIR / "stations.txt"
def test_get_timescales():
days = 5
p = Predictions(lat=32.0853, lng=34.7817, days=days)
t0, t1 = p.get_next_days()
delta = t1.ut1 - t0.ut1
assert delta == days
def test_custom_start():
start = 2459117.245895914
p = Predictions(lat=32.0853, lng=34.7817, start=start)
t0, _t1 = p.get_next_days()
assert t0.ut1 == start
def test_get_location():
p = Predictions(lat=32.0853, lng=34.7817)
tlv = Topos("32.0853 N", "34.7817 E")
topos = p.get_location()
assert topos.latitude.degrees == tlv.latitude.degrees
assert topos.longitude.degrees == tlv.longitude.degrees
def test_get_predictions():
start = 2459117.245895914
p = Predictions(
lat=32.0853, lng=34.7817, tz="Asia/Jerusalem", start=start, tle_file=STATIONS
)
preds = p.get_prediction_events()
assert len(preds) == 16
assert preds[0] == [
"2020-09-24T21:31:31Z",
"2020-09-24T21:32:57Z",
"2020-09-24T21:34:24Z",
]
p = Predictions(
lat=32.0853,
lng=34.7817,
tz="Asia/Jerusalem",
altitude=0,
start=start,
days=5,
tle_file=STATIONS,
)
preds = p.get_prediction_events()
assert len(preds) == 39
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