eth2.0-specs/tests/generators/shuffling/main.py

54 lines
1.7 KiB
Python

from eth_utils import to_tuple
from typing import Iterable
from importlib import reload
from eth2spec.gen_helpers.gen_base import gen_runner, gen_typing
from eth2spec.config import config_util
from eth2spec.phase0 import spec as spec
from eth2spec.test.context import PHASE0
def shuffling_case_fn(seed, count):
yield 'mapping', 'data', {
'seed': '0x' + seed.hex(),
'count': count,
'mapping': [int(spec.compute_shuffled_index(i, count, seed)) for i in range(count)]
}
def shuffling_case(seed, count):
return f'shuffle_0x{seed.hex()}_{count}', lambda: shuffling_case_fn(seed, count)
@to_tuple
def shuffling_test_cases():
for seed in [spec.hash(seed_init_value.to_bytes(length=4, byteorder='little')) for seed_init_value in range(30)]:
for count in [0, 1, 2, 3, 5, 10, 33, 100, 1000, 9999]:
yield shuffling_case(seed, count)
def create_provider(config_name: str) -> gen_typing.TestProvider:
def prepare_fn(configs_path: str) -> str:
config_util.prepare_config(configs_path, config_name)
reload(spec)
return config_name
def cases_fn() -> Iterable[gen_typing.TestCase]:
for (case_name, case_fn) in shuffling_test_cases():
yield gen_typing.TestCase(
fork_name=PHASE0,
runner_name='shuffling',
handler_name='core',
suite_name='shuffle',
case_name=case_name,
case_fn=case_fn
)
return gen_typing.TestProvider(prepare=prepare_fn, make_cases=cases_fn)
if __name__ == "__main__":
gen_runner.run_generator("shuffling", [create_provider("minimal"), create_provider("mainnet")])