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# -*- coding: utf-8 -*-
# Copyright 2007-2023 The HyperSpy developers
#
# This file is part of RosettaSciIO.
#
# RosettaSciIO is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# RosettaSciIO is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with RosettaSciIO. If not, see <https://www.gnu.org/licenses/#GPL>.
# The EMD format is a hdf5 standard proposed at Lawrence Berkeley
# National Lab (see https://emdatasets.com/ for more information).
# NOT to be confused with the FEI EMD format which was developed later.
import numpy as np
import pytest
hs = pytest.importorskip("hyperspy.api")
pytest.importorskip("h5py")
def test_de5_write_load_cycle(tmp_path):
fname = tmp_path / "test_file.de5"
data = np.arange(20).reshape(2, 10)
s = hs.signals.Signal1D(data)
s.save(fname)
assert fname.is_file()
s2 = hs.load(fname)
np.testing.assert_allclose(s2.data, s.data)
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