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ndbioimage/tests/test_open.py
2025-08-06 11:03:03 +02:00

28 lines
840 B
Python

import pickle
from multiprocessing import active_children
from pathlib import Path
import pytest
from ndbioimage import Imread, ReaderNotFoundError
@pytest.mark.parametrize("file", (Path(__file__).parent / "files").iterdir())
def test_open(file):
try:
with Imread(file) as im:
mean = im[dict(c=0, z=0, t=0)].mean()
b = pickle.dumps(im)
jm = pickle.loads(b)
assert jm[dict(c=0, z=0, t=0)].mean() == mean
v = im.view()
assert v[dict(c=0, z=0, t=0)].mean() == mean
b = pickle.dumps(v)
w = pickle.loads(b)
assert w[dict(c=0, z=0, t=0)].mean() == mean
except ReaderNotFoundError:
assert len(Imread.__subclasses__()), "No subclasses for Imread found."
for child in active_children():
child.kill()