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# fmt: off
import pytest
from ase.build import molecule
from ase.calculators.emt import EMT
# Careful testing since these deprecated functions will otherwise be untested.
@pytest.fixture()
def atoms():
return molecule('H2O')
def test_set_calculator(atoms):
calc = EMT()
with pytest.warns(FutureWarning):
atoms.set_calculator(calc)
assert atoms.calc is calc
def test_get_calculator(atoms):
with pytest.warns(FutureWarning):
assert atoms.get_calculator() is None
def test_del_calculator(atoms):
atoms.calc = EMT()
with pytest.warns(FutureWarning):
del atoms.calc
assert atoms.calc is None
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