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#
# Copyright (C) 2018 Codethink Limited
# Copyright (C) 2018 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/>.
#
# Authors: Richard Maw <richard.maw@codethink.co.uk>
#
# Pylint doesn't play well with fixtures and dependency injection from pytest
# pylint: disable=redefined-outer-name
import os
import shutil
import pytest
from buildstream.testing import cli_integration as cli # pylint: disable=unused-import
from buildstream.testing._utils.site import HAVE_SANDBOX
from tests.testutils import create_artifact_share
pytestmark = pytest.mark.integration
# Project directory
DATA_DIR = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
"project",
)
# A test to capture the integration of the cachebuildtrees
# behaviour, which by default is to include the buildtree
# content of an element on caching.
# Dse this really need a sandbox?
@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.xfail(not HAVE_SANDBOX, reason='Only available with a functioning sandbox')
def test_cache_buildtrees(cli, tmpdir, datafiles):
project = str(datafiles)
element_name = 'autotools/amhello.bst'
cwd = str(tmpdir)
# Create artifact shares for pull & push testing
with create_artifact_share(os.path.join(str(tmpdir), 'share1')) as share1,\
create_artifact_share(os.path.join(str(tmpdir), 'share2')) as share2,\
create_artifact_share(os.path.join(str(tmpdir), 'share3')) as share3:
cli.configure({
'artifacts': {'url': share1.repo, 'push': True},
'cachedir': str(tmpdir)
})
# Build autotools element with the default behavior of caching buildtrees
# only when necessary. The artifact should be successfully pushed to the share1 remote
# and cached locally with an 'empty' buildtree digest, as it's not a
# dangling ref
result = cli.run(project=project, args=['build', element_name])
assert result.exit_code == 0
assert cli.get_element_state(project, element_name) == 'cached'
assert share1.get_artifact(cli.get_artifact_name(project, 'test', element_name))
# The buildtree dir should not exist, as we set the config to not cache buildtrees.
artifact_name = cli.get_artifact_name(project, 'test', element_name)
assert share1.get_artifact(artifact_name)
with cli.artifact.extract_buildtree(cwd, cwd, artifact_name) as buildtreedir:
assert not buildtreedir
# Delete the local cached artifacts, and assert the when pulled with --pull-buildtrees
# that is was cached in share1 as expected without a buildtree dir
shutil.rmtree(os.path.join(str(tmpdir), 'cas'))
shutil.rmtree(os.path.join(str(tmpdir), 'artifacts'))
assert cli.get_element_state(project, element_name) != 'cached'
result = cli.run(project=project, args=['--pull-buildtrees', 'artifact', 'pull', element_name])
assert element_name in result.get_pulled_elements()
with cli.artifact.extract_buildtree(cwd, cwd, artifact_name) as buildtreedir:
assert not buildtreedir
shutil.rmtree(os.path.join(str(tmpdir), 'cas'))
shutil.rmtree(os.path.join(str(tmpdir), 'artifacts'))
# Assert that the default behaviour of pull to not include buildtrees on the artifact
# in share1 which was purposely cached with an empty one behaves as expected. As such the
# pulled artifact will have a dangling ref for the buildtree dir, regardless of content,
# leading to no buildtreedir being extracted
result = cli.run(project=project, args=['artifact', 'pull', element_name])
assert element_name in result.get_pulled_elements()
with cli.artifact.extract_buildtree(cwd, cwd, artifact_name) as buildtreedir:
assert not buildtreedir
shutil.rmtree(os.path.join(str(tmpdir), 'cas'))
shutil.rmtree(os.path.join(str(tmpdir), 'artifacts'))
# Repeat building the artifacts, this time with cache-buildtrees set to
# 'always' via the cli, as such the buildtree dir should not be empty
cli.configure({
'artifacts': {'url': share2.repo, 'push': True},
'cachedir': str(tmpdir)
})
result = cli.run(project=project, args=['--cache-buildtrees', 'always', 'build', element_name])
assert result.exit_code == 0
assert cli.get_element_state(project, element_name) == 'cached'
assert share2.get_artifact(cli.get_artifact_name(project, 'test', element_name))
# Cache key will be the same however the digest hash will have changed as expected, so reconstruct paths
with cli.artifact.extract_buildtree(cwd, cwd, artifact_name) as buildtreedir:
assert os.path.isdir(buildtreedir)
assert os.listdir(buildtreedir)
# Delete the local cached artifacts, and assert that when pulled with --pull-buildtrees
# that it was cached in share2 as expected with a populated buildtree dir
shutil.rmtree(os.path.join(str(tmpdir), 'cas'))
shutil.rmtree(os.path.join(str(tmpdir), 'artifacts'))
assert cli.get_element_state(project, element_name) != 'cached'
result = cli.run(project=project, args=['--pull-buildtrees', 'artifact', 'pull', element_name])
assert element_name in result.get_pulled_elements()
with cli.artifact.extract_buildtree(cwd, cwd, artifact_name) as buildtreedir:
assert os.path.isdir(buildtreedir)
assert os.listdir(buildtreedir)
shutil.rmtree(os.path.join(str(tmpdir), 'cas'))
shutil.rmtree(os.path.join(str(tmpdir), 'artifacts'))
# Clarify that the user config option for cache-buildtrees works as the cli
# main option does. Point to share3 which does not have the artifacts cached to force
# a build
cli.configure({
'artifacts': {'url': share3.repo, 'push': True},
'cachedir': str(tmpdir),
'cache': {'cache-buildtrees': 'always'}
})
result = cli.run(project=project, args=['build', element_name])
assert result.exit_code == 0
assert cli.get_element_state(project, element_name) == 'cached'
with cli.artifact.extract_buildtree(cwd, cwd, artifact_name) as buildtreedir:
assert os.path.isdir(buildtreedir)
assert os.listdir(buildtreedir)
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