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seismo-relay/tests/test_backfill_event_shape.py
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Python

from __future__ import annotations
import numpy as np, h5py
from sfm.database import SeismoDb
from sfm.waveform_store import WaveformStore
from scripts.backfill_event_shape import backfill_shape
from minimateplus.models import Event
def _h5(path, long):
with h5py.File(path, "w") as f:
g = f.create_group("samples")
for k in ("Tran", "Vert"):
g.create_dataset(k, data=np.zeros(1024, "float32"))
g.create_dataset("Long", data=np.asarray(long, "float32"))
def test_backfill_updates_shape_and_is_idempotent(tmp_path):
db = SeismoDb(tmp_path / "s.db")
store = WaveformStore(tmp_path / "waveforms")
ev = Event(index=0)
ev._waveform_key = bytes.fromhex("0111abcd")
db.insert_events([ev], serial="BE1",
waveform_records={ev._waveform_key.hex():
{"filename": "F.CE0W", "filesize": 10}})
# place the .h5 where store.paths_for expects it
long = np.zeros(1024); long[100] = 0.48
_h5(store.hdf5_path_for("BE1", "F.CE0W"), long)
c1 = backfill_shape(db, store)
assert c1["updated"] == 1
row = db.query_events(serial="BE1")[0]
assert row["shape_axis"] == "Long" and row["shape_near_peak_count"] <= 3
c2 = backfill_shape(db, store) # idempotent: re-run overwrites same values
assert db.query_events(serial="BE1")[0]["shape_crest_factor"] == row["shape_crest_factor"]