89 lines
3.2 KiB
Python
89 lines
3.2 KiB
Python
from random import Random
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from typing import Iterable
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from inspect import getmembers, isclass
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from eth2spec.gen_helpers.gen_base import gen_runner, gen_typing
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from eth2spec.debug import random_value, encode
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from eth2spec.test.helpers.constants import TESTGEN_FORKS, MINIMAL, MAINNET
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from eth2spec.test.context import spec_targets
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from eth2spec.utils.ssz.ssz_typing import Container
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from eth2spec.utils.ssz.ssz_impl import (
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hash_tree_root,
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serialize,
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)
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MAX_BYTES_LENGTH = 1000
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MAX_LIST_LENGTH = 10
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def create_test_case(rng: Random, typ,
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mode: random_value.RandomizationMode, chaos: bool) -> Iterable[gen_typing.TestCasePart]:
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value = random_value.get_random_ssz_object(rng, typ, MAX_BYTES_LENGTH, MAX_LIST_LENGTH, mode, chaos)
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yield "value", "data", encode.encode(value)
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yield "serialized", "ssz", serialize(value)
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roots_data = {
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"root": '0x' + hash_tree_root(value).hex()
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}
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yield "roots", "data", roots_data
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def get_spec_ssz_types(spec):
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return [
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(name, value) for (name, value) in getmembers(spec, isclass)
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if issubclass(value, Container) and value != Container # only the subclasses, not the imported base class
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]
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def ssz_static_cases(fork_name: str, preset_name: str, seed: int, name, ssz_type,
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mode: random_value.RandomizationMode, chaos: bool, count: int):
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random_mode_name = mode.to_name()
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# Reproducible RNG
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rng = Random(seed)
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for i in range(count):
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yield gen_typing.TestCase(
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fork_name=fork_name,
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preset_name=preset_name,
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runner_name='ssz_static',
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handler_name=name,
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suite_name=f"ssz_{random_mode_name}{'_chaos' if chaos else ''}",
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case_name=f"case_{i}",
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case_fn=lambda: create_test_case(rng, ssz_type, mode, chaos)
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)
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def create_provider(fork_name, preset_name: str, seed: int, mode: random_value.RandomizationMode, chaos: bool,
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cases_if_random: int) -> gen_typing.TestProvider:
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def prepare_fn() -> None:
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return
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def cases_fn() -> Iterable[gen_typing.TestCase]:
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count = cases_if_random if chaos or mode.is_changing() else 1
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spec = spec_targets[preset_name][fork_name]
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for (i, (name, ssz_type)) in enumerate(get_spec_ssz_types(spec)):
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yield from ssz_static_cases(fork_name, preset_name, seed * 1000 + i, name, ssz_type, mode, chaos, count)
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return gen_typing.TestProvider(prepare=prepare_fn, make_cases=cases_fn)
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if __name__ == "__main__":
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# [(seed, config name, randomization mode, chaos on/off, cases_if_random)]
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settings = []
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seed = 1
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for mode in random_value.RandomizationMode:
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settings.append((seed, MINIMAL, mode, False, 30))
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seed += 1
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settings.append((seed, MINIMAL, random_value.RandomizationMode.mode_random, True, 30))
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seed += 1
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settings.append((seed, MAINNET, random_value.RandomizationMode.mode_random, False, 5))
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seed += 1
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for fork in TESTGEN_FORKS:
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gen_runner.run_generator("ssz_static", [
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create_provider(fork, preset_name, seed, mode, chaos, cases_if_random)
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for (seed, preset_name, mode, chaos, cases_if_random) in settings
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])
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