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- """
- Tests for the Suite2p IO module
- """
- import pathlib
- import platform
- import re
- from pathlib import Path
- import numpy as np
- import pytest
- from natsort import natsorted
- from pynwb import NWBHDF5IO
- from suite2p import io
- from suite2p.io.nwb import read_nwb, save_nwb
- from suite2p.io.utils import get_suite2p_path
- @pytest.fixture()
- def binfile1500(test_ops):
- test_ops["tiff_list"] = ["input_1500.tif"]
- op = io.tiff_to_binary(test_ops)
- bin_filename = str(Path(op["save_path0"]).joinpath("suite2p/plane0/data.bin"))
- with io.BinaryFile(
- Ly=op["Ly"], Lx=op["Lx"], filename=bin_filename
- ) as bin_file:
- yield bin_file
- @pytest.fixture(scope="function")
- def replace_ops_save_path_with_local_path(request):
- """
- This fixture replaces the `save_path` variable in the `ops.npy` file
- by its local path version
- """
- # Workaround to load pickled NPY files on Windows containing
- # `PosixPath` objects
- if platform.system() == "Windows":
- pathlib.PosixPath = pathlib.WindowsPath
- # Get the `data_folder` variable from the running test name
- data_folder = re.search(r"\[(.*?)(-.*?)?\]", request.node.name).group(1)
- save_folder = Path("data").joinpath("test_outputs", data_folder, "suite2p")
- save_path = {}
- plane_folders = [
- dir
- for dir in natsorted(save_folder.iterdir())
- if dir.is_dir() and "plane" in dir.name
- ]
- for plane_idx, plane_dir in enumerate(plane_folders):
- # Temporarily change the `save_folder` variable in the NumPy file
- ops1 = np.load(plane_dir.joinpath("ops.npy"), allow_pickle=True)
- save_path[plane_dir] = ops1.item(0)["save_path"]
- ops1.item(0)["save_path"] = str(plane_dir.absolute())
- np.save(plane_dir.joinpath("ops.npy"), ops1)
- def concat_npy(name: str) -> np.ndarray:
- """Concatenate arrays from NUmPy files."""
- for plane_idx, plane_dir in enumerate(plane_folders):
- if plane_idx == 0:
- array_npy = np.load(
- plane_dir.joinpath(f"{name}.npy"), allow_pickle=True
- )
- else:
- array_npy = np.append(
- array_npy,
- np.load(plane_dir.joinpath(f"{name}.npy"), allow_pickle=True),
- axis=0,
- )
- return array_npy
- iscell_npy = concat_npy("iscell")
- F_npy = concat_npy("F")
- Fneu_npy = concat_npy("Fneu")
- spks_npy = concat_npy("spks")
- yield save_folder, iscell_npy, F_npy, Fneu_npy, spks_npy
- # Teardown the fixture
- for plane_dir in plane_folders:
- # Undo the changes made in the NumPy file
- ops1 = np.load(plane_dir.joinpath("ops.npy"), allow_pickle=True)
- ops1.item(0)["save_path"] = save_path[plane_dir]
- np.save(plane_dir.joinpath("ops.npy"), ops1)
- def test_h5_to_binary_produces_nonnegative_output_data(test_ops):
- test_ops["h5py"] = Path(test_ops["data_path"][0]).joinpath("input.h5")
- test_ops["nplanes"] = 3
- test_ops["nchannels"] = 2
- test_ops["data_path"] = []
- op = io.h5py_to_binary(test_ops)
- output_data = io.BinaryFile(
- filename=Path(op["save_path0"], "suite2p/plane0/data.bin"),
- Ly=op["Ly"],
- Lx=op["Lx"],
- ).data
- assert np.all(output_data >= 0)
- def test_that_bin_movie_without_badframes_results_in_a_same_size_array(binfile1500):
- mov = binfile1500.bin_movie(bin_size=1)
- assert mov.shape == (1500, binfile1500.Ly, binfile1500.Lx)
- def test_that_bin_movie_with_badframes_results_in_a_smaller_array(binfile1500):
- np.random.seed(42)
- bad_frames = np.random.randint(2, size=binfile1500.n_frames, dtype=bool)
- mov = binfile1500.bin_movie(bin_size=1, bad_frames=bad_frames, reject_threshold=0)
- assert len(mov) < binfile1500.n_frames, "bin_movie didn't produce a smaller array."
- assert len(mov) == len(bad_frames) - sum(
- bad_frames
- ), "bin_movie didn't produce the right size array."
- def test_that_binaryfile_data_is_repeatable(binfile1500):
- data1 = binfile1500.data
- assert data1.shape == (1500, binfile1500.Ly, binfile1500.Lx)
- data2 = binfile1500.data
- assert data2.shape == (1500, binfile1500.Ly, binfile1500.Lx)
- assert np.allclose(data1, data2)
- @pytest.mark.parametrize(
- "data_folder",
- [
- ("1plane1chan1500"),
- ("2plane2chan1500"),
- ("bruker"),
- ],
- )
- def test_nwb_round_trip(replace_ops_save_path_with_local_path, data_folder):
- # Get expected data already saved as NumPy files
- (
- save_folder,
- expected_iscell,
- expected_F,
- expected_Fneu,
- expected_spks,
- ) = replace_ops_save_path_with_local_path
- # Save as NWB file
- save_nwb(save_folder)
- # Check (some of) the structure of the NWB file saved
- nwb_path = save_folder.joinpath("ophys.nwb")
- assert nwb_path.exists()
- with NWBHDF5IO(str(nwb_path), "r") as io:
- read_nwbfile = io.read()
- assert read_nwbfile.processing
- ophys = read_nwbfile.processing["ophys"]
- assert ophys.data_interfaces["Deconvolved"]
- Fluorescence = ophys.data_interfaces["Fluorescence"]
- assert Fluorescence
- if "2plane" in data_folder:
- assert Fluorescence["plane0"]
- assert Fluorescence["plane1"]
- assert ophys.data_interfaces["Neuropil"]
- if "2chan" in data_folder:
- Fluorescence_chan2 = ophys.data_interfaces["Fluorescence_chan2"]
- assert Fluorescence_chan2
- assert ophys.data_interfaces["Neuropil_chan2"]
- iscell_nwb = (
- ophys.data_interfaces["ImageSegmentation"]
- .plane_segmentations["PlaneSegmentation"]
- .columns[2]
- .data[:]
- )
- np.testing.assert_array_equal(iscell_nwb, expected_iscell)
- # Extract Suite2p info from NWB file
- stat, ops, F, Fneu, spks, iscell, probcell, redcell, probredcell = read_nwb(
- nwb_path
- )
- # Check we get the same data back as the original data
- # after saving to NWB + reading
- np.testing.assert_array_equal(F, expected_F)
- np.testing.assert_array_equal(Fneu, expected_Fneu)
- np.testing.assert_array_equal(spks, expected_spks)
- np.testing.assert_array_equal(
- np.transpose(np.array([iscell, probcell])), expected_iscell
- )
- # TODO: assert round trip for `stat` and `ops`
- # Probably need to recreate the data files as some fields are missing in the dict
- # expected_stat = np.load(save_folder.joinpath("plane0", "stat.npy"), allow_pickle=True)
- # expected_ops = np.load(save_folder.joinpath("plane0", "ops.npy"), allow_pickle=True)
- # np.testing.assert_equal(stat, expected_stat)
- # np.testing.assert_equal(ops, expected_ops)
- # Remove NWB file
- nwb_path.unlink()
- @pytest.mark.parametrize(
- "input_path, expected_path, success",
- [
- (
- "D:/kjkcc/jodendopn/suite2p/ncconoc/onowcno",
- "D:/kjkcc/jodendopn/suite2p",
- True,
- ),
- (
- "/home/bla/kjkcc/jodendopn/suite2p/ops.npy",
- "/home/bla/kjkcc/jodendopn/suite2p",
- True,
- ),
- ("/etc/bla/kjkcc/jodendopn/suite2p", "/etc/bla/kjkcc/jodendopn/suite2p", True),
- ("/etc/bla/kjkcc/jodendopn/", "", False),
- ],
- )
- def test_get_suite2p_path(input_path, expected_path, success):
- if success:
- res_path = get_suite2p_path(input_path)
- assert res_path == Path(expected_path)
- else:
- with pytest.raises(FileNotFoundError):
- get_suite2p_path(Path(input_path))
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