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# Stripped (minimal) version of nomad entry with 3 images.
# The images are actually identical for some reason, but we want to be sure
# that they are extracted correctly.
def test_nomad(datadir):
from ase.io import iread
path = datadir / 'nomad-images.nomad-json'
images = list(iread(path))
assert len(images) == 3
for atoms in images:
assert all(atoms.pbc)
assert (atoms.cell > 0).sum() == 3
assert atoms.get_chemical_formula() == 'As24Sr32'
# Code for cleaning up nomad files so their size is reasonable for inclusion
# in test suite:
"""
ourkeys = {'section_run', 'section_system', 'name', 'atom_species',
'atom_positions', 'flatData', 'uri', 'gIndex',
'configuration_periodic_dimensions', 'lattice_vectors'}
includekeys = lambda k: k in ourkeys
fname = ...
with open(fname) as fd:
d = read(fd, includekeys=includekeys)
print(json.dumps(d))
"""
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