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

90 lines
3.2 KiB
Python

from random import Random
from eth2spec.debug import random_value, encode
from eth2spec.phase0 import spec
from eth2spec.utils.minimal_ssz import (
hash_tree_root,
signing_root,
serialize,
)
from eth_utils import (
to_tuple, to_dict
)
from gen_base import gen_runner, gen_suite, gen_typing
from preset_loader import loader
MAX_BYTES_LENGTH = 100
MAX_LIST_LENGTH = 10
@to_dict
def create_test_case_contents(value, typ):
yield "value", encode.encode(value, typ)
yield "serialized", '0x' + serialize(value).hex()
yield "root", '0x' + hash_tree_root(value).hex()
if hasattr(value, "signature"):
yield "signing_root", '0x' + signing_root(value).hex()
@to_dict
def create_test_case(rng: Random, name: str, mode: random_value.RandomizationMode, chaos: bool):
typ = spec.get_ssz_type_by_name(name)
value = random_value.get_random_ssz_object(rng, typ, MAX_BYTES_LENGTH, MAX_LIST_LENGTH, mode, chaos)
yield name, create_test_case_contents(value, typ)
@to_tuple
def ssz_static_cases(rng: Random, mode: random_value.RandomizationMode, chaos: bool, count: int):
for type_name in spec.ssz_types:
for i in range(count):
yield create_test_case(rng, type_name, mode, chaos)
def get_ssz_suite(seed: int, config_name: str, mode: random_value.RandomizationMode, chaos: bool, cases_if_random: int):
def ssz_suite(configs_path: str) -> gen_typing.TestSuiteOutput:
# Apply changes to presets, this affects some of the vector types.
presets = loader.load_presets(configs_path, config_name)
spec.apply_constants_preset(presets)
# Reproducible RNG
rng = Random(seed)
random_mode_name = mode.to_name()
suite_name = f"ssz_{config_name}_{random_mode_name}{'_chaos' if chaos else ''}"
count = cases_if_random if chaos or mode.is_changing() else 1
print(f"generating SSZ-static suite ({count} cases per ssz type): {suite_name}")
return (suite_name, "core", gen_suite.render_suite(
title=f"ssz testing, with {config_name} config, randomized with mode {random_mode_name}{' and with chaos applied' if chaos else ''}",
summary="Test suite for ssz serialization and hash-tree-root",
forks_timeline="testing",
forks=["phase0"],
config=config_name,
runner="ssz",
handler="static",
test_cases=ssz_static_cases(rng, mode, chaos, count)))
return ssz_suite
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
print("Settings: %d, SSZ-types: %d" % (len(settings), len(spec.ssz_types)))
gen_runner.run_generator("ssz_static", [
get_ssz_suite(seed, config_name, mode, chaos, cases_if_random)
for (seed, config_name, mode, chaos, cases_if_random) in settings
])