def test_io_mrk():
"""Test IO for mrk files."""
tempdir = _TempDir()
pts = read_mrk(mrk_fname)
# txt
path = os.path.join(tempdir, 'mrk.txt')
_write_dig_points(path, pts)
pts_2 = read_mrk(path)
assert_array_equal(pts, pts_2, "read/write mrk to text")
# pickle
fname = os.path.join(tempdir, 'mrk.pickled')
with open(fname, 'wb') as fid:
pickle.dump(dict(mrk=pts), fid)
pts_2 = read_mrk(fname)
assert_array_equal(pts_2, pts, "pickle mrk")
with open(fname, 'wb') as fid:
pickle.dump(dict(), fid)
pytest.raises(ValueError, read_mrk, fname)
# unsupported extension
pytest.raises(ValueError, read_mrk, "file.ext")
def test_io_dig_points(tmpdir):
"""Test Writing for dig files."""
points = _read_dig_points(hsp_fname)
dest = str(tmpdir.join('test.txt'))
dest_bad = str(tmpdir.join('test.mne'))
with pytest.raises(ValueError, match='must be of shape'):
_write_dig_points(dest, points[:, :2])
with pytest.raises(ValueError, match='extension'):
_write_dig_points(dest_bad, points)
_write_dig_points(dest, points)
points1 = _read_dig_points(dest, unit='m')
err = "Dig points diverged after writing and reading."
assert_array_equal(points, points1, err)
points2 = np.array([[-106.93, 99.80], [99.80, 68.81]])
np.savetxt(dest, points2, delimiter='\t', newline='\n')
with pytest.raises(ValueError, match='must be of shape'):
_read_dig_points(dest)
def test_io_dig_points(tmpdir):
"""Test Writing for dig files."""
points = read_polhemus_fastscan(hsp_fname, on_header_missing='ignore')
dest = str(tmpdir.join('test.txt'))
dest_bad = str(tmpdir.join('test.mne'))
with pytest.raises(ValueError, match='must be of shape'):
_write_dig_points(dest, points[:, :2])
with pytest.raises(ValueError, match='extension'):
_write_dig_points(dest_bad, points)
_write_dig_points(dest, points)
points1 = read_polhemus_fastscan(
dest, unit='m', on_header_missing='ignore')
err = "Dig points diverged after writing and reading."
assert_array_equal(points, points1, err)
points2 = np.array([[-106.93, 99.80], [99.80, 68.81]])
np.savetxt(dest, points2, delimiter='\t', newline='\n')
with pytest.raises(ValueError, match='must be of shape'):
with pytest.warns(RuntimeWarning, match='FastSCAN header'):
read_polhemus_fastscan(dest, on_header_missing='warn')
