def test_clean_eog_ecg():
"""Test mne clean_eog_ecg."""
check_usage(mne_clean_eog_ecg)
tempdir = _TempDir()
raw = concatenate_raws(
[read_raw_fif(f) for f in [raw_fname, raw_fname, raw_fname]])
raw.info['bads'] = ['MEG 2443']
use_fname = op.join(tempdir, op.basename(raw_fname))
raw.save(use_fname)
with ArgvSetter(('-i', use_fname, '--quiet')):
mne_clean_eog_ecg.run()
fnames = glob.glob(op.join(tempdir, '*proj.fif'))
assert len(fnames) == 2 # two projs
fnames = glob.glob(op.join(tempdir, '*-eve.fif'))
assert len(fnames) == 3 # raw plus two projs
def test_maxfilter():
"""Test mne maxfilter."""
check_usage(mne_maxfilter)
with ArgvSetter(('-i', raw_fname, '--st', '--movecomp', '--linefreq', '60',
'--trans', raw_fname)) as out:
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('always')
os.environ['_MNE_MAXFILTER_TEST'] = 'true'
try:
mne_maxfilter.run()
finally:
del os.environ['_MNE_MAXFILTER_TEST']
assert len(w) == 1
for check in ('maxfilter', '-trans', '-movecomp'):
assert check in out.stdout.getvalue(), check
def test_compute_proj_exg(tmpdir, fun):
"""Test mne compute_proj_ecg/eog."""
check_usage(fun)
tempdir = str(tmpdir)
use_fname = op.join(tempdir, op.basename(raw_fname))
bad_fname = op.join(tempdir, 'bads.txt')
with open(bad_fname, 'w') as fid:
fid.write('MEG 2443\n')
shutil.copyfile(raw_fname, use_fname)
with ArgvSetter(('-i', use_fname, '--bad=' + bad_fname,
'--rej-eeg', '150')):
with pytest.warns(None): # samples, sometimes
fun.run()
fnames = glob.glob(op.join(tempdir, '*proj.fif'))
assert len(fnames) == 1
fnames = glob.glob(op.join(tempdir, '*-eve.fif'))
assert len(fnames) == 1
def test_compute_proj_ecg_eog():
"""Test mne compute_proj_ecg/eog"""
for fun in (mne_compute_proj_ecg, mne_compute_proj_eog):
check_usage(fun)
tempdir = _TempDir()
use_fname = op.join(tempdir, op.basename(raw_fname))
bad_fname = op.join(tempdir, 'bads.txt')
with open(bad_fname, 'w') as fid:
fid.write('MEG 2443\n')
shutil.copyfile(raw_fname, use_fname)
with ArgvSetter(
('-i', use_fname, '--bad=' + bad_fname, '--rej-eeg', '150')):
fun.run()
fnames = glob.glob(op.join(tempdir, '*proj.fif'))
assert_true(len(fnames) == 1)
fnames = glob.glob(op.join(tempdir, '*-eve.fif'))
assert_true(len(fnames) == 1)
def test_crosstalk_to_bids(tmp_path):
"""Test mne_bids crosstalk_to_bids."""
# Check that help is printed
check_usage(mne_bids_crosstalk_to_bids)
output_path = str(tmp_path)
data_path = Path(testing.data_path())
crosstalk_fname = data_path / 'SSS' / 'ct_sparse.fif'
bids_path = BIDSPath(subject=subject_id, root=output_path)
# Write fine-calibration file and check that it was actually written.
# Write fine-calibration file and check that it was actually written.
args = ('--file', crosstalk_fname, '--subject', subject_id,
'--bids_root', output_path)
with ArgvSetter(args):
mne_bids_crosstalk_to_bids.run()
assert bids_path.meg_crosstalk_fpath.exists()
def _test_fetch(url):
"""Helper to test URL retrieval."""
tempdir = _TempDir()
with ArgvSetter(disable_stderr=False): # to capture stdout
archive_name = op.join(tempdir, "download_test")
_fetch_file(url, archive_name, timeout=30., verbose=False,
resume=False)
assert_raises(Exception, _fetch_file, 'NOT_AN_ADDRESS',
op.join(tempdir, 'test'), verbose=False)
resume_name = op.join(tempdir, "download_resume")
# touch file
with open(resume_name + '.part', 'w'):
os.utime(resume_name + '.part', None)
_fetch_file(url, resume_name, resume=True, timeout=30.,
verbose=False)
assert_raises(ValueError, _fetch_file, url, archive_name,
hash_='a', verbose=False)
assert_raises(RuntimeError, _fetch_file, url, archive_name,
hash_='a' * 32, verbose=False)
def test_watershed_bem():
"""Test mne watershed bem"""
check_usage(mne_watershed_bem)
# Copy necessary files to tempdir
tempdir = _TempDir()
mridata_path = op.join(subjects_dir, 'sample', 'mri')
mridata_path_new = op.join(tempdir, 'sample', 'mri')
os.mkdir(op.join(tempdir, 'sample'))
os.mkdir(mridata_path_new)
if op.exists(op.join(mridata_path, 'T1')):
shutil.copytree(op.join(mridata_path, 'T1'), op.join(mridata_path_new,
'T1'))
if op.exists(op.join(mridata_path, 'T1.mgz')):
shutil.copyfile(op.join(mridata_path, 'T1.mgz'),
op.join(mridata_path_new, 'T1.mgz'))
with ArgvSetter(('-d', tempdir, '-s', 'sample', '-o'),
disable_stdout=False, disable_stderr=False):
mne_watershed_bem.run()
def test_fetch_parcellations(tmpdir):
"""Test fetching parcellations."""
this_subjects_dir = str(tmpdir)
os.mkdir(op.join(this_subjects_dir, 'fsaverage'))
os.mkdir(op.join(this_subjects_dir, 'fsaverage', 'label'))
os.mkdir(op.join(this_subjects_dir, 'fsaverage', 'surf'))
for hemi in ('lh', 'rh'):
shutil.copyfile(
op.join(subjects_dir, 'fsaverage', 'surf', '%s.white' % hemi),
op.join(this_subjects_dir, 'fsaverage', 'surf', '%s.white' % hemi))
# speed up by prenteding we have one of them
with open(op.join(this_subjects_dir, 'fsaverage', 'label',
'lh.aparc_sub.annot'), 'wb'):
pass
datasets.fetch_aparc_sub_parcellation(subjects_dir=this_subjects_dir)
with ArgvSetter(('--accept-hcpmmp-license',)):
datasets.fetch_hcp_mmp_parcellation(subjects_dir=this_subjects_dir)
for hemi in ('lh', 'rh'):
assert op.isfile(op.join(this_subjects_dir, 'fsaverage', 'label',
'%s.aparc_sub.annot' % hemi))
def test_make_scalp_surfaces():
"""Test mne make_scalp_surfaces."""
check_usage(mne_make_scalp_surfaces)
# Copy necessary files to avoid FreeSurfer call
tempdir = _TempDir()
surf_path = op.join(subjects_dir, 'sample', 'surf')
surf_path_new = op.join(tempdir, 'sample', 'surf')
os.mkdir(op.join(tempdir, 'sample'))
os.mkdir(surf_path_new)
subj_dir = op.join(tempdir, 'sample', 'bem')
os.mkdir(subj_dir)
shutil.copy(op.join(surf_path, 'lh.seghead'), surf_path_new)
orig_fs = os.getenv('FREESURFER_HOME', None)
if orig_fs is not None:
del os.environ['FREESURFER_HOME']
cmd = ('-s', 'sample', '--subjects-dir', tempdir)
os.environ['_MNE_TESTING_SCALP'] = 'true'
dense_fname = op.join(subj_dir, 'sample-head-dense.fif')
medium_fname = op.join(subj_dir, 'sample-head-medium.fif')
try:
with ArgvSetter(cmd, disable_stdout=False, disable_stderr=False):
assert_raises(RuntimeError, mne_make_scalp_surfaces.run)
os.environ['FREESURFER_HOME'] = tempdir # don't actually use it
mne_make_scalp_surfaces.run()
assert_true(op.isfile(dense_fname))
assert_true(op.isfile(medium_fname))
assert_raises(IOError, mne_make_scalp_surfaces.run) # no overwrite
finally:
if orig_fs is not None:
os.environ['FREESURFER_HOME'] = orig_fs
else:
del os.environ['FREESURFER_HOME']
del os.environ['_MNE_TESTING_SCALP']
# actually check the outputs
head_py = read_bem_surfaces(dense_fname)
assert_equal(len(head_py), 1)
head_py = head_py[0]
head_c = read_bem_surfaces(
op.join(subjects_dir, 'sample', 'bem', 'sample-head-dense.fif'))[0]
assert_allclose(head_py['rr'], head_c['rr'])
def test_make_scalp_surfaces(tmp_path, monkeypatch):
"""Test mne make_scalp_surfaces."""
pytest.importorskip('nibabel')
pytest.importorskip('pyvista')
check_usage(mne_make_scalp_surfaces)
has = 'SUBJECTS_DIR' in os.environ
# Copy necessary files to avoid FreeSurfer call
tempdir = str(tmp_path)
surf_path = op.join(subjects_dir, 'sample', 'surf')
surf_path_new = op.join(tempdir, 'sample', 'surf')
os.mkdir(op.join(tempdir, 'sample'))
os.mkdir(surf_path_new)
subj_dir = op.join(tempdir, 'sample', 'bem')
os.mkdir(subj_dir)
cmd = ('-s', 'sample', '--subjects-dir', tempdir)
monkeypatch.setattr(
mne.bem, 'decimate_surface', lambda points, triangles, n_triangles:
(points, triangles))
dense_fname = op.join(subj_dir, 'sample-head-dense.fif')
medium_fname = op.join(subj_dir, 'sample-head-medium.fif')
with ArgvSetter(cmd, disable_stdout=False, disable_stderr=False):
monkeypatch.delenv('FREESURFER_HOME', None)
with pytest.raises(RuntimeError, match='The FreeSurfer environ'):
mne_make_scalp_surfaces.run()
shutil.copy(op.join(surf_path, 'lh.seghead'), surf_path_new)
monkeypatch.setenv('FREESURFER_HOME', tempdir)
mne_make_scalp_surfaces.run()
assert op.isfile(dense_fname)
assert op.isfile(medium_fname)
with pytest.raises(IOError, match='overwrite'):
mne_make_scalp_surfaces.run()
# actually check the outputs
head_py = read_bem_surfaces(dense_fname)
assert_equal(len(head_py), 1)
head_py = head_py[0]
head_c = read_bem_surfaces(
op.join(subjects_dir, 'sample', 'bem', 'sample-head-dense.fif'))[0]
assert_allclose(head_py['rr'], head_c['rr'])
if not has:
assert 'SUBJECTS_DIR' not in os.environ
def test_fetch_file():
"""Test file downloading
"""
tempdir = _TempDir()
urls = ['http://martinos.org/mne/',
'ftp://surfer.nmr.mgh.harvard.edu/pub/data/bert.recon.md5sum.txt']
with ArgvSetter(disable_stderr=False): # to capture stdout
for url in urls:
archive_name = op.join(tempdir, "download_test")
_fetch_file(url, archive_name, verbose=False)
assert_raises(Exception, _fetch_file, 'NOT_AN_ADDRESS',
op.join(tempdir, 'test'), verbose=False)
resume_name = op.join(tempdir, "download_resume")
# touch file
with open(resume_name + '.part', 'w'):
os.utime(resume_name + '.part', None)
_fetch_file(url, resume_name, resume=True, verbose=False)
assert_raises(ValueError, _fetch_file, url, archive_name,
hash_='a', verbose=False)
assert_raises(RuntimeError, _fetch_file, url, archive_name,
hash_='a' * 32, verbose=False)
def test_flash_bem(tmp_path):
"""Test mne flash_bem."""
check_usage(mne_flash_bem, force_help=True)
# Copy necessary files to tempdir
tempdir = str(tmp_path)
mridata_path = op.join(subjects_dir, 'sample', 'mri')
subject_path_new = op.join(tempdir, 'sample')
mridata_path_new = op.join(subject_path_new, 'mri')
os.makedirs(op.join(mridata_path_new, 'flash'))
os.makedirs(op.join(subject_path_new, 'bem'))
shutil.copyfile(op.join(mridata_path, 'T1.mgz'),
op.join(mridata_path_new, 'T1.mgz'))
shutil.copyfile(op.join(mridata_path, 'brain.mgz'),
op.join(mridata_path_new, 'brain.mgz'))
# Copy the available mri/flash/mef*.mgz files from the dataset
flash_path = op.join(mridata_path_new, 'flash')
for kind in (5, 30):
in_fname = op.join(mridata_path, 'flash', 'mef%02d.mgz' % kind)
shutil.copyfile(in_fname, op.join(flash_path, op.basename(in_fname)))
# Test mne flash_bem with --noconvert option
# (since there are no DICOM Flash images in dataset)
for s in ('outer_skin', 'outer_skull', 'inner_skull'):
assert not op.isfile(op.join(subject_path_new, 'bem', '%s.surf' % s))
with ArgvSetter(('-d', tempdir, '-s', 'sample', '-n'),
disable_stdout=False,
disable_stderr=False):
mne_flash_bem.run()
kwargs = dict(rtol=1e-5, atol=1e-5)
for s in ('outer_skin', 'outer_skull', 'inner_skull'):
rr, tris = read_surface(op.join(subject_path_new, 'bem',
'%s.surf' % s))
assert_equal(len(tris), 5120)
assert_equal(tris.min(), 0)
assert_equal(rr.shape[0], tris.max() + 1)
# compare to the testing flash surfaces
rr_c, tris_c = read_surface(
op.join(subjects_dir, 'sample', 'bem', '%s.surf' % s))
assert_allclose(rr, rr_c, **kwargs)
assert_allclose(tris, tris_c, **kwargs)
def test_fetch_file():
"""Test file downloading
"""
tempdir = _TempDir()
urls = ['http://google.com', 'ftp://ftp.openbsd.org/pub/OpenBSD/README']
with ArgvSetter(disable_stderr=False): # to capture stdout
for url in urls:
archive_name = op.join(tempdir, "download_test")
_fetch_file(url,
archive_name,
timeout=30.,
verbose=False,
resume=False)
assert_raises(Exception,
_fetch_file,
'NOT_AN_ADDRESS',
op.join(tempdir, 'test'),
verbose=False)
resume_name = op.join(tempdir, "download_resume")
# touch file
with open(resume_name + '.part', 'w'):
os.utime(resume_name + '.part', None)
_fetch_file(url,
resume_name,
resume=True,
timeout=30.,
verbose=False)
assert_raises(ValueError,
_fetch_file,
url,
archive_name,
hash_='a',
verbose=False)
assert_raises(RuntimeError,
_fetch_file,
url,
archive_name,
hash_='a' * 32,
verbose=False)
def test_fetch_parcellations(tmpdir):
"""Test fetching parcellations."""
this_subjects_dir = str(tmpdir)
os.mkdir(op.join(this_subjects_dir, 'fsaverage'))
os.mkdir(op.join(this_subjects_dir, 'fsaverage', 'label'))
os.mkdir(op.join(this_subjects_dir, 'fsaverage', 'surf'))
for hemi in ('lh', 'rh'):
shutil.copyfile(
op.join(subjects_dir, 'fsaverage', 'surf', '%s.white' % hemi),
op.join(this_subjects_dir, 'fsaverage', 'surf', '%s.white' % hemi))
# speed up by prenteding we have one of them
with open(
op.join(this_subjects_dir, 'fsaverage', 'label',
'lh.aparc_sub.annot'), 'wb'):
pass
datasets.fetch_aparc_sub_parcellation(subjects_dir=this_subjects_dir)
with ArgvSetter(('--accept-hcpmmp-license', )):
datasets.fetch_hcp_mmp_parcellation(subjects_dir=this_subjects_dir)
for hemi in ('lh', 'rh'):
assert op.isfile(
op.join(this_subjects_dir, 'fsaverage', 'label',
'%s.aparc_sub.annot' % hemi))
# test our annot round-trips here
kwargs = dict(subject='fsaverage',
hemi='both',
sort=False,
subjects_dir=this_subjects_dir)
labels = read_labels_from_annot(parc='HCPMMP1', **kwargs)
write_labels_to_annot(labels,
parc='HCPMMP1_round',
table_name='./left.fsaverage164.label.gii',
**kwargs)
orig = op.join(this_subjects_dir, 'fsaverage', 'label', 'lh.HCPMMP1.annot')
first = hashfunc(orig)
new = orig[:-6] + '_round.annot'
second = hashfunc(new)
assert first == second
def test_make_scalp_surfaces(tmpdir):
"""Test mne make_scalp_surfaces."""
check_usage(mne_make_scalp_surfaces)
has = 'SUBJECTS_DIR' in os.environ
# Copy necessary files to avoid FreeSurfer call
tempdir = str(tmpdir)
surf_path = op.join(subjects_dir, 'sample', 'surf')
surf_path_new = op.join(tempdir, 'sample', 'surf')
os.mkdir(op.join(tempdir, 'sample'))
os.mkdir(surf_path_new)
subj_dir = op.join(tempdir, 'sample', 'bem')
os.mkdir(subj_dir)
shutil.copy(op.join(surf_path, 'lh.seghead'), surf_path_new)
cmd = ('-s', 'sample', '--subjects-dir', tempdir)
with modified_env(**{'_MNE_TESTING_SCALP': 'true'}):
dense_fname = op.join(subj_dir, 'sample-head-dense.fif')
medium_fname = op.join(subj_dir, 'sample-head-medium.fif')
with ArgvSetter(cmd, disable_stdout=False, disable_stderr=False):
with modified_env(FREESURFER_HOME=None):
pytest.raises(RuntimeError, mne_make_scalp_surfaces.run)
with modified_env(FREESURFER_HOME=tempdir):
mne_make_scalp_surfaces.run()
assert op.isfile(dense_fname)
assert op.isfile(medium_fname)
with pytest.raises(IOError, match='overwrite'):
mne_make_scalp_surfaces.run()
# actually check the outputs
head_py = read_bem_surfaces(dense_fname)
assert_equal(len(head_py), 1)
head_py = head_py[0]
head_c = read_bem_surfaces(op.join(subjects_dir, 'sample', 'bem',
'sample-head-dense.fif'))[0]
assert_allclose(head_py['rr'], head_c['rr'])
if not has:
assert 'SUBJECTS_DIR' not in os.environ
def test_what():
"""Test mne browse_raw."""
check_usage(mne_browse_raw)
with ArgvSetter((raw_fname,)) as out:
mne_what.run()
assert 'raw' == out.stdout.getvalue().strip()
def test_browse_raw():
"""Test mne browse_raw."""
check_usage(mne_browse_raw)
with ArgvSetter(('--raw', raw_fname)):
with pytest.warns(None): # mpl show warning sometimes
mne_browse_raw.run()
def test_browse_raw():
"""Test mne browse_raw."""
check_usage(mne_browse_raw)
with ArgvSetter(('--raw', raw_fname)):
with _record_warnings(): # mpl show warning
mne_browse_raw.run()
def test_show_info():
"""Test mne show_info."""
check_usage(mne_show_info)
with ArgvSetter((raw_fname, )):
mne_show_info.run()
def test_show_fiff():
"""Test mne compare_fiff"""
check_usage(mne_show_fiff)
with ArgvSetter((raw_fname, )):
mne_show_fiff.run()
def test_browse_raw():
"""Test mne browse_raw."""
check_usage(mne_browse_raw)
with ArgvSetter(('--raw', raw_fname)):
mne_browse_raw.run()
def test_flash_bem(tmp_path):
"""Test mne flash_bem."""
check_usage(mne_flash_bem, force_help=True)
# Copy necessary files to tempdir
tempdir = Path(str(tmp_path))
mridata_path = Path(subjects_dir) / 'sample' / 'mri'
subject_path_new = tempdir / 'sample'
mridata_path_new = subject_path_new / 'mri'
flash_path = mridata_path_new / 'flash'
flash_path.mkdir(parents=True, exist_ok=True)
bem_path = mridata_path_new / 'bem'
bem_path.mkdir(parents=True, exist_ok=True)
shutil.copyfile(op.join(mridata_path, 'T1.mgz'),
op.join(mridata_path_new, 'T1.mgz'))
shutil.copyfile(op.join(mridata_path, 'brain.mgz'),
op.join(mridata_path_new, 'brain.mgz'))
# Copy the available mri/flash/mef*.mgz files from the dataset
for kind in (5, 30):
in_fname = mridata_path / "flash" / f'mef{kind:02d}.mgz'
in_fname_echo = flash_path / f'mef{kind:02d}_001.mgz'
shutil.copyfile(in_fname, flash_path / in_fname_echo.name)
# Test mne flash_bem with --noconvert option
# (since there are no DICOM Flash images in dataset)
for s in ('outer_skin', 'outer_skull', 'inner_skull'):
assert not op.isfile(subject_path_new / 'bem' / f'{s}.surf')
# First test without flash30
with ArgvSetter(('-d', tempdir, '-s', 'sample', '-n', '-r', '-3'),
disable_stdout=False,
disable_stderr=False):
mne_flash_bem.run()
for s in ('outer_skin', 'outer_skull', 'inner_skull'):
surf_path = subject_path_new / 'bem' / f'{s}.surf'
assert surf_path.exists()
surf_path.unlink() # cleanup
shutil.rmtree(flash_path / "parameter_maps") # remove old files
# Test synthesize flash5 with MEF flash5 and flash30 default locations
flash5_img = convert_flash_mris(subject="sample",
subjects_dir=tempdir,
convert=False,
unwarp=False)
assert flash5_img == (flash_path / "parameter_maps" / "flash5.mgz")
assert flash5_img.exists()
shutil.rmtree(flash_path / "parameter_maps") # remove old files
# Test with flash5 and flash30
shutil.rmtree(flash_path) # first remove old files
with ArgvSetter(('-d', tempdir, '-s', 'sample', '-n', '-3',
str(mridata_path / "flash" / 'mef30.mgz'), '-5',
str(mridata_path / "flash" / 'mef05.mgz')),
disable_stdout=False,
disable_stderr=False):
mne_flash_bem.run()
kwargs = dict(rtol=1e-5, atol=1e-5)
for s in ('outer_skin', 'outer_skull', 'inner_skull'):
rr, tris = read_surface(op.join(subject_path_new, 'bem',
'%s.surf' % s))
assert_equal(len(tris), 5120)
assert_equal(tris.min(), 0)
assert_equal(rr.shape[0], tris.max() + 1)
# compare to the testing flash surfaces
rr_c, tris_c = read_surface(
op.join(subjects_dir, 'sample', 'bem', '%s.surf' % s))
assert_allclose(rr, rr_c, **kwargs)
assert_allclose(tris, tris_c, **kwargs)
