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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
# 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 <>.
# Pylint doesn't play well with fixtures and dependency injection from pytest
# pylint: disable=redefined-outer-name
import os
import pytest
from buildstream import utils, _yaml
from buildstream.exceptions import ErrorDomain
from buildstream.testing import cli # pylint: disable=unused-import
pytestmark = pytest.mark.integration
DATA_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "project")
def test_dummy_sandbox_fallback(cli, datafiles, tmp_path):
# Create symlink to buildbox-casd to work with custom PATH
buildbox_casd = tmp_path.joinpath("bin/buildbox-casd")
os.symlink(utils.get_host_tool("buildbox-casd"), str(buildbox_casd))
project = str(datafiles)
element_path = os.path.join(project, "elements", "element.bst")
# Write out our test target
element = {
"kind": "script",
"depends": [{"filename": "base.bst", "type": "build",},],
"config": {"commands": ["true",],},
_yaml.roundtrip_dump(element, element_path)
# Build without access to host tools, this will fail
result =, args=["build", "element.bst"], env={"PATH": str(tmp_path.joinpath("bin"))},)
# But if we dont spesify a sandbox then we fall back to dummy, we still
# fail early but only once we know we need a facny sandbox and that
# dumy is not enough, there for element gets fetched and so is buildable
result.assert_task_error(ErrorDomain.SANDBOX, "unavailable-local-sandbox")
assert cli.get_element_state(project, "element.bst") == "buildable"