eth2.0-specs/tests/core/pyspec/eth2spec/test/conftest.py

93 lines
2.6 KiB
Python

from eth2spec.test import context
from eth2spec.test.helpers.constants import (
ALL_PHASES,
)
from eth2spec.utils import bls as bls_utils
# We import pytest only when it's present, i.e. when we are running tests.
# The test-cases themselves can be generated without installing pytest.
def module_exists(module_name):
try:
__import__(module_name)
except ImportError:
return False
else:
return True
def fixture(*args, **kwargs):
if module_exists("pytest"):
import pytest
return pytest.fixture(*args, **kwargs)
else:
def ignore():
pass
return ignore
def pytest_addoption(parser):
parser.addoption(
"--preset", action="store", type=str, default="minimal",
help="preset: make the pyspec use the specified preset"
)
parser.addoption(
"--fork", action="append", type=str,
help=(
"fork: make the pyspec only run with the specified phase."
" To run multiple phases, e.g., --fork=phase0 --fork=altair"
)
)
parser.addoption(
"--disable-bls", action="store_true", default=False,
help="bls-default: make tests that are not dependent on BLS run without BLS"
)
parser.addoption(
"--bls-type", action="store", type=str, default="py_ecc", choices=["py_ecc", "milagro"],
help="bls-type: use 'pyecc' or 'milagro' implementation for BLS"
)
def _validate_fork_name(forks):
for fork in forks:
if fork not in ALL_PHASES:
raise ValueError(
f'The given --fork argument "{fork}" is not an available fork.'
f' The available forks: {ALL_PHASES}'
)
@fixture(autouse=True)
def preset(request):
context.DEFAULT_TEST_PRESET = request.config.getoption("--preset")
@fixture(autouse=True)
def run_phases(request):
forks = request.config.getoption("--fork", default=None)
if forks:
forks = [fork.lower() for fork in forks]
_validate_fork_name(forks)
context.DEFAULT_PYTEST_FORKS = set(forks)
else:
context.DEFAULT_PYTEST_FORKS = ALL_PHASES
@fixture(autouse=True)
def bls_default(request):
disable_bls = request.config.getoption("--disable-bls")
if disable_bls:
context.DEFAULT_BLS_ACTIVE = False
@fixture(autouse=True)
def bls_type(request):
bls_type = request.config.getoption("--bls-type")
if bls_type == "py_ecc":
bls_utils.use_py_ecc()
elif bls_type == "milagro":
bls_utils.use_milagro()
else:
raise Exception(f"unrecognized bls type: {bls_type}")