def test_init(self, label, pre_processing):
"""Test __init__"""
fer_op = FermionicOp(pre_processing(label))
self.assertListEqual(fer_op.to_list(), [(label, 1)])
self.assertFermionEqual(eval(repr(fer_op)), fer_op) # pylint: disable=eval-used
def assertFermionEqual(self, first: FermionicOp, second: FermionicOp):
"""Fail if two FermionicOps are different.
Note that this equality check is approximated since the true equality check is costly.
"""
self.assertSetEqual(frozenset(first.to_list()),
frozenset(second.to_list()))
