Merge branch 'fix_single_frame' into '2.1'

Fix single frame

See merge request !243 (merged)

(cherry picked from commit bec26331)

ad38fbaa volume: single frame volume: clean output files that could be used. 8a23bf14 Volume: move _clean_output_data to public API 95cc01a3 VolumeSingleFrameBase: rename 'ignore_existing_files' to... 291b7f69 remove_existing_data_files: allow url to be None 7f826207 remove_existing_data_files: handle use case 'url' is None

Co-authored-by: payno henri.payno@esrf.fr

tomoscan/esrf/volume/tests/test_single_frame_volume.py

@@ -110,6 +110,7 @@ def test_create_volume_from_folder(tmp_path, volume_constructor):
     )
 
     # check overwrite parameter
+    volume.data = numpy.random.random((45, 45, 45))
     with pytest.raises(OSError):
         volume.save()
 
@@ -117,6 +118,9 @@ def test_create_volume_from_folder(tmp_path, volume_constructor):
     if isinstance(volume, JP2KVolume):
         volume.rescale_data = False
     volume.save()
+    assert volume.get_volume_shape() == (45, 45, 45)
+    volume.data = _data
+    volume.save()
 
     # check load data and metadata
     volume.clear_cache()
@@ -213,6 +217,7 @@ def test_several_writer(tmp_path, volume_constructor):
         )
         volume_2.rescale_data = False
     volume_1.save()
+    volume_2.skip_existing_data_files_removal = True
     volume_2.save()
 
     full_volume = volume_constructor(folder=volume_dir)