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#!/usr/bin/env python3
#
# Copyright (C) 2018 Codethink Limited
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# 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 GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
#
# Authors:
# Tristan Maat <tristan.maat@codethink.co.uk>
#
import os
import shutil
import tempfile
import pytest
from buildstream._platform.platform import Platform
#
# This file is loaded by pytest, we use it to add a custom
# `--integration` option to our test suite, and to install
# a session scope fixture.
#
#################################################
# Implement pytest option #
#################################################
def pytest_addoption(parser):
parser.addoption('--integration', action='store_true', default=False,
help='Run integration tests')
def pytest_runtest_setup(item):
if item.get_closest_marker('integration') and not item.config.getvalue('integration'):
pytest.skip('skipping integration test')
#################################################
# integration_cache fixture #
#################################################
#
# This is yielded by the `integration_cache` fixture
#
class IntegrationCache():
def __init__(self, cache):
cache = os.path.abspath(cache)
# Use the same sources every time
self.sources = os.path.join(cache, 'sources')
# Create a temp directory for the duration of the test for
# the artifacts directory
try:
self.artifacts = tempfile.mkdtemp(dir=cache, prefix='artifacts-')
except OSError as e:
raise AssertionError("Unable to create test directory !") from e
@pytest.fixture(scope='session')
def integration_cache(request):
# Set the cache dir to the INTEGRATION_CACHE variable, or the
# default if that is not set.
if 'INTEGRATION_CACHE' in os.environ:
cache_dir = os.environ['INTEGRATION_CACHE']
else:
cache_dir = os.path.abspath('./integration-cache')
cache = IntegrationCache(cache_dir)
yield cache
# Clean up the artifacts after each test run - we only want to
# cache sources between runs
try:
shutil.rmtree(cache.artifacts)
except FileNotFoundError:
pass
#################################################
# Automatically reset the platform #
#################################################
#
# This might need some refactor, maybe buildstream
# needs to cleanup more gracefully and we could remove this.
#
def clean_platform_cache():
Platform._instance = None
@pytest.fixture(autouse=True)
def ensure_platform_cache_is_clean():
clean_platform_cache()
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