- remove all readers but bioformats

- open folder with sequence

tests/test_ufuncs.py

@@ -1,19 +1,31 @@
+import tempfile
 from itertools import product
+from pathlib import Path
 
 import numpy as np
 import pytest
+from tiffwrite import tiffwrite
 
 from ndbioimage import Imread
 
-r = np.random.randint(0, 255, (64, 64, 2, 3, 4))
-im = Imread(r)
-a = np.array(im)
+
+@pytest.fixture
+def array():
+    return np.random.randint(0, 255, (64, 64, 2, 3, 4), 'uint16')
+
+@pytest.fixture()
+def image(array):
+    with tempfile.TemporaryDirectory() as folder:
+        file = Path(folder) / "test.tif"
+        tiffwrite(file, array, 'yxczt')
+        with Imread(file, axes='yxczt') as im:
+            yield im
 
 
 @pytest.mark.parametrize('fun_and_axis', product(
     (np.sum, np.nansum, np.min, np.nanmin, np.max, np.nanmax, np.argmin, np.argmax,
      np.mean, np.nanmean, np.var, np.nanvar, np.std, np.nanstd), (None, 0, 1, 2, 3, 4)))
-def test_ufuncs(fun_and_axis):
+def test_ufuncs(fun_and_axis, image, array):
     fun, axis = fun_and_axis
-    assert np.all(np.isclose(fun(im, axis), fun(a, axis))), \
+    assert np.all(np.isclose(fun(image, axis), fun(array, axis))), \
         f'function {fun.__name__} over axis {axis} does not give the correct result'