Testing the random way of sorting reactants of reaction when calling Reaction.reactants.sort()

reactants_sort.py

import cPickle
from rmgpy.species import Species
from rmgpy.reaction import Reaction

a = Species(...)
b = Species(...)

r = Reaction()
r.reactants = [a,b]

r.reactants.sort()

r_pickle = cPickle.loads(cPickle.dumps(r))
r_pickle.reactants.sort()

for spc, spc_pickle in zip(r.reactants, r_pickle.reactants):
    assert.assertTrue(spc.isIsomorphic(spc_pickle)