2019-07-27 14:45:30 +00:00
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from .ssz_test_case import invalid_test_case, valid_test_case
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from eth2spec.utils.ssz.ssz_typing import Bitlist
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from eth2spec.utils.ssz.ssz_impl import serialize
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from random import Random
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from eth2spec.debug.random_value import RandomizationMode, get_random_ssz_object
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def bitlist_case_fn(rng: Random, mode: RandomizationMode, limit: int):
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return get_random_ssz_object(rng, Bitlist[limit],
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max_bytes_length=(limit // 8) + 1,
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max_list_length=limit,
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mode=mode, chaos=False)
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def valid_cases():
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rng = Random(1234)
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for size in [1, 2, 3, 4, 5, 8, 16, 31, 512, 513]:
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for variation in range(5):
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2019-07-27 20:31:04 +00:00
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for mode in [RandomizationMode.mode_nil_count,
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RandomizationMode.mode_max_count,
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RandomizationMode.mode_random,
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RandomizationMode.mode_zero,
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RandomizationMode.mode_max]:
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2019-07-27 14:45:30 +00:00
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yield f'bitlist_{size}_{mode.to_name()}_{variation}', \
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valid_test_case(lambda: bitlist_case_fn(rng, mode, size))
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def invalid_cases():
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yield 'bitlist_no_delimiter_empty', invalid_test_case(lambda: b'')
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yield 'bitlist_no_delimiter_zero_byte', invalid_test_case(lambda: b'\x00')
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yield 'bitlist_no_delimiter_zeroes', invalid_test_case(lambda: b'\x00\x00\x00')
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rng = Random(1234)
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for (typ_limit, test_limit) in [(1, 2), (1, 8), (1, 9), (2, 3), (3, 4), (4, 5),
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(5, 6), (8, 9), (32, 64), (32, 33), (512, 513)]:
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yield f'bitlist_{typ_limit}_but_{test_limit}', \
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invalid_test_case(lambda: serialize(
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bitlist_case_fn(rng, RandomizationMode.mode_max_count, test_limit)))
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