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#
# Copyright (C) 2019 Bloomberg Finance LP
#
# 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/>.
#
# Pylint doesn't play well with fixtures and dependency injection from pytest
# pylint: disable=redefined-outer-name
import os
import pytest
from buildstream import _yaml
from .. import cli # pylint: disable=unused-import
from .. import create_repo
from .._utils.site import IS_LINUX, MACHINE_ARCH
from .utils import kind # pylint: disable=unused-import
# Project directory
TOP_DIR = os.path.dirname(os.path.realpath(__file__))
DATA_DIR = os.path.join(TOP_DIR, "project")
@pytest.mark.skipif(MACHINE_ARCH != "x86-64", reason="Cache keys depend on architecture")
@pytest.mark.skipif(not IS_LINUX, reason="Only available on linux")
@pytest.mark.datafiles(DATA_DIR)
def test_cache_key(cli, tmpdir, datafiles, kind):
project = str(datafiles)
elements_path = os.path.join(project, "elements")
# Create our repo object of the given source type with
# the bin files, and then collect the initial ref.
#
repo = create_repo(kind, str(tmpdir))
test_elements = repo.get_element_and_keys_for_cache_key_stability_test()
if test_elements is NotImplemented:
pytest.skip("Source {} doesn't implement `get_element_and_keys_for_cache_key_stability_test`.")
expected_cache_keys = {}
for index, (element, cache_key) in enumerate(test_elements):
element_name = "{}-{}.bst".format(kind, index)
_yaml.roundtrip_dump(element, os.path.join(elements_path, element_name))
expected_cache_keys[element_name] = cache_key
result = cli.run(
project=project,
silent=True,
args=["show", "--format", "%{name}::%{full-key}", *expected_cache_keys.keys()]
)
result.assert_success()
cache_keys = dict(
l.split("::") for l in result.output.splitlines()
)
error_msg = """\
A cache key needs an update, some keys have changes.
You will need to update the `repo` for {} and change the key
it returns.
""".format(kind)
assert expected_cache_keys == cache_keys, error_msg
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