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import os.path as op
import os
import numpy as np
import pytest
from numpy.testing import assert_equal
from mne.datasets import testing
from mne.io import show_fiff
from mne.utils import (_TempDir, _url_to_local_path, run_tests_if_main,
buggy_mkl_svd)
base_dir = op.join(op.dirname(__file__), '..', '..', 'io', 'tests', 'data')
fname_evoked = op.join(base_dir, 'test-ave.fif')
fname_raw = op.join(base_dir, 'test_raw.fif')
data_path = testing.data_path(download=False)
fname_fsaverage_trans = op.join(data_path, 'subjects', 'fsaverage', 'bem',
'fsaverage-trans.fif')
def test_buggy_mkl():
"""Test decorator for buggy MKL issues."""
from unittest import SkipTest
@buggy_mkl_svd
def foo(a, b):
raise np.linalg.LinAlgError('SVD did not converge')
with pytest.warns(RuntimeWarning, match='convergence error'):
pytest.raises(SkipTest, foo, 1, 2)
@buggy_mkl_svd
def bar(c, d, e):
raise RuntimeError('SVD did not converge')
pytest.raises(RuntimeError, bar, 1, 2, 3)
def test_tempdir():
"""Test TempDir."""
tempdir2 = _TempDir()
assert (op.isdir(tempdir2))
x = str(tempdir2)
del tempdir2
assert (not op.isdir(x))
@testing.requires_testing_data
def test_datasets():
"""Test dataset config."""
# gh-4192
data_path = testing.data_path(download=False)
os.environ['MNE_DATASETS_TESTING_PATH'] = op.dirname(data_path)
assert testing.data_path(download=False) == data_path
@testing.requires_testing_data
def test_show_fiff():
"""Test show_fiff."""
# this is not exhaustive, but hopefully bugs will be found in use
info = show_fiff(fname_evoked)
keys = ['FIFF_EPOCH', 'FIFFB_HPI_COIL', 'FIFFB_PROJ_ITEM',
'FIFFB_PROCESSED_DATA', 'FIFFB_EVOKED', 'FIFF_NAVE',
'FIFF_EPOCH']
assert (all(key in info for key in keys))
info = show_fiff(fname_raw, read_limit=1024)
assert ('COORD_TRANS' in show_fiff(fname_fsaverage_trans))
def test_url_to_local_path():
"""Test URL to local path."""
assert_equal(_url_to_local_path('http://google.com/home/why.html', '.'),
op.join('.', 'home', 'why.html'))
run_tests_if_main()
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