eth2.0-specs/test_generators/ssz_generic/ssz_bitlist.py

38 lines
1.7 KiB
Python

from .ssz_test_case import invalid_test_case, valid_test_case
from eth2spec.utils.ssz.ssz_typing import Bitlist
from eth2spec.utils.ssz.ssz_impl import serialize
from random import Random
from eth2spec.debug.random_value import RandomizationMode, get_random_ssz_object
def bitlist_case_fn(rng: Random, mode: RandomizationMode, limit: int):
return get_random_ssz_object(rng, Bitlist[limit],
max_bytes_length=(limit // 8) + 1,
max_list_length=limit,
mode=mode, chaos=False)
def valid_cases():
rng = Random(1234)
for size in [1, 2, 3, 4, 5, 8, 16, 31, 512, 513]:
for variation in range(5):
for mode in [RandomizationMode.mode_nil_count,
RandomizationMode.mode_max_count,
RandomizationMode.mode_random,
RandomizationMode.mode_zero,
RandomizationMode.mode_max]:
yield f'bitlist_{size}_{mode.to_name()}_{variation}', \
valid_test_case(lambda: bitlist_case_fn(rng, mode, size))
def invalid_cases():
yield 'bitlist_no_delimiter_empty', invalid_test_case(lambda: b'')
yield 'bitlist_no_delimiter_zero_byte', invalid_test_case(lambda: b'\x00')
yield 'bitlist_no_delimiter_zeroes', invalid_test_case(lambda: b'\x00\x00\x00')
rng = Random(1234)
for (typ_limit, test_limit) in [(1, 2), (1, 8), (1, 9), (2, 3), (3, 4), (4, 5),
(5, 6), (8, 9), (32, 64), (32, 33), (512, 513)]:
yield f'bitlist_{typ_limit}_but_{test_limit}', \
invalid_test_case(lambda: serialize(
bitlist_case_fn(rng, RandomizationMode.mode_max_count, test_limit)))