def test_faildescr_numbering(): cpu = AbstractCPU() fail_descr1 = AbstractFailDescr() fail_descr2 = AbstractFailDescr() n1 = cpu.get_fail_descr_number(fail_descr1) n2 = cpu.get_fail_descr_number(fail_descr2) assert n1 != n2 fail_descr = cpu.get_fail_descr_from_number(n1) assert fail_descr is fail_descr1 fail_descr = cpu.get_fail_descr_from_number(n2) assert fail_descr is fail_descr2 # provides interning on its own n1_1 = cpu.get_fail_descr_number(fail_descr1) assert n1_1 == n1