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trezor-firmware/tests/upgrade_tests/__init__.py

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# This file is part of the Trezor project.
#
# Copyright (C) 2012-2019 SatoshiLabs and contributors
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
import os
from typing import List, Tuple
import pytest
from _pytest.mark.structures import MarkDecorator
from ..emulators import ALL_TAGS, LOCAL_BUILD_PATHS
SELECTED_GENS = [
gen.strip() for gen in os.environ.get("TREZOR_UPGRADE_TEST", "").split(",") if gen
]
if SELECTED_GENS:
# if any gens were selected via the environment variable, force enable all selected
LEGACY_ENABLED = "legacy" in SELECTED_GENS
CORE_ENABLED = "core" in SELECTED_GENS
else:
# if no selection was provided, select those for which we have emulators
LEGACY_ENABLED = LOCAL_BUILD_PATHS["legacy"].exists()
CORE_ENABLED = LOCAL_BUILD_PATHS["core"].exists()
legacy_only = pytest.mark.skipif(
not LEGACY_ENABLED, reason="This test requires legacy emulator"
)
core_only = pytest.mark.skipif(
not CORE_ENABLED, reason="This test requires core emulator"
)
def version_from_tag(tag: str | None) -> tuple | None:
if tag is None or not tag.startswith("v"):
return None
# Strip initial "v" and optional revision from the tag string.
tag_version = tag[1:].partition("-")[0]
# Translate string to an integer tuple.
return tuple(int(n) for n in tag_version.split("."))
def for_all(
*args: str,
legacy_minimum_version: Tuple[int, int, int] = (1, 0, 0),
core_minimum_version: Tuple[int, int, int] = (2, 0, 0)
) -> "MarkDecorator":
"""Parametrizing decorator for test cases.
Usage example:
>>> @for_all()
>>> def test_runs_for_all_old_versions(gen, tag):
>>> assert True
Arguments can be "core" and "legacy", and you can specify core_minimum_version and
legacy_minimum_version as triplets.
The test function should have arguments `gen` ("core" or "legacy") and `tag`
(version tag usable in EmulatorWrapper call)
"""
if not args:
args = ("core", "legacy")
# If any gens were selected, use them. If none, select all.
enabled_gens = SELECTED_GENS or args
all_params: list[tuple[str, str | None]] = []
for gen in args:
if gen == "legacy":
minimum_version = legacy_minimum_version
elif gen == "core":
minimum_version = core_minimum_version
else:
raise ValueError
if gen not in enabled_gens:
continue
try:
for tag in ALL_TAGS[gen]:
tag_version = version_from_tag(tag)
if tag_version is not None and tag_version < minimum_version:
continue
all_params.append((gen, tag))
# at end, add None tag, which is the current master
all_params.append((gen, None))
except KeyError:
pass
if not all_params:
return pytest.mark.skip("no versions are applicable")
return pytest.mark.parametrize("gen, tag", all_params)
def for_tags(*args: Tuple[str, List[str]]) -> "MarkDecorator":
enabled_gens = SELECTED_GENS or ("core", "legacy")
return pytest.mark.parametrize(
"gen, tags", [(gen, tags) for gen, tags in args if gen in enabled_gens]
)