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# Authors: The MNE-Python contributors.
# License: BSD-3-Clause
# Copyright the MNE-Python contributors.
from pathlib import Path
import pytest
from mne import Epochs, read_events
from mne.io import read_raw_fif
from mne.stats.erp import compute_sme
base_dir = Path(__file__).parents[2] / "io" / "tests" / "data"
raw = read_raw_fif(base_dir / "test_raw.fif")
events = read_events(base_dir / "test-eve.fif")
def test_compute_sme():
"""Test SME computation."""
epochs = Epochs(raw, events)
sme = compute_sme(epochs, start=0, stop=0.1)
assert sme.shape == (376,)
with pytest.raises(TypeError, match="int or float"):
compute_sme(epochs, "0", 0.1)
with pytest.raises(TypeError, match="int or float"):
compute_sme(epochs, 0, "0.1")
with pytest.raises(ValueError, match="out of bounds"):
compute_sme(epochs, -1.2, 0.3)
with pytest.raises(ValueError, match="out of bounds"):
compute_sme(epochs, -0.1, 0.8)
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