eth2.0-specs/test_generators/ssz_static/main.py

86 lines
3.1 KiB
Python

from random import Random
from typing import Iterable
from inspect import getmembers, isclass
from eth2spec.debug import random_value, encode
from eth2spec.phase0 import spec
from eth2spec.utils.ssz.ssz_typing import Container
from eth2spec.utils.ssz.ssz_impl import (
hash_tree_root,
signing_root,
serialize,
)
from gen_base import gen_runner, gen_typing
from preset_loader import loader
MAX_BYTES_LENGTH = 100
MAX_LIST_LENGTH = 10
def create_test_case(rng: Random, typ, mode: random_value.RandomizationMode, chaos: bool) -> Iterable[gen_typing.TestCasePart]:
value = random_value.get_random_ssz_object(rng, typ, MAX_BYTES_LENGTH, MAX_LIST_LENGTH, mode, chaos)
yield "value", "data", encode.encode(value)
yield "serialized", "ssz", serialize(value)
yield "root", "meta", '0x' + hash_tree_root(value).hex()
if hasattr(value, "signature"):
yield "signing_root", "meta", '0x' + signing_root(value).hex()
def get_spec_ssz_types():
return [
(name, value) for (name, value) in getmembers(spec, isclass)
if issubclass(value, Container) and value != Container # only the subclasses, not the imported base class
]
def ssz_static_cases(seed: int, name, ssz_type, mode: random_value.RandomizationMode, chaos: bool, count: int):
random_mode_name = mode.to_name()
# Reproducible RNG
rng = Random(seed)
for i in range(count):
yield gen_typing.TestCase(
fork_name='phase0',
runner_name='ssz_static',
handler_name=name,
suite_name=f"ssz_{random_mode_name}{'_chaos' if chaos else ''}",
case_name=f"case_{i}",
case_fn=lambda: create_test_case(rng, ssz_type, mode, chaos)
)
def create_provider(config_name: str, seed: int, mode: random_value.RandomizationMode, chaos: bool,
cases_if_random: int) -> gen_typing.TestProvider:
def prepare_fn(configs_path: str) -> str:
# Apply changes to presets, this affects some of the vector types.
presets = loader.load_presets(configs_path, config_name)
spec.apply_constants_preset(presets)
return config_name
def cases_fn() -> Iterable[gen_typing.TestCase]:
count = cases_if_random if chaos or mode.is_changing() else 1
for (i, (name, ssz_type)) in enumerate(get_spec_ssz_types()):
yield from ssz_static_cases(seed * 1000 + i, name, ssz_type, mode, chaos, count)
return gen_typing.TestProvider(prepare=prepare_fn, make_cases=cases_fn)
if __name__ == "__main__":
# [(seed, config name, randomization mode, chaos on/off, cases_if_random)]
settings = []
seed = 1
for mode in random_value.RandomizationMode:
settings.append((seed, "minimal", mode, False, 30))
seed += 1
settings.append((seed, "minimal", random_value.RandomizationMode.mode_random, True, 30))
seed += 1
settings.append((seed, "mainnet", random_value.RandomizationMode.mode_random, False, 5))
seed += 1
gen_runner.run_generator("ssz_static", [
create_provider(config_name, seed, mode, chaos, cases_if_random)
for (seed, config_name, mode, chaos, cases_if_random) in settings
])