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path: root/src/buildstream/testing/_sourcetests/fetch.py
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#
#  Copyright (C) 2018 Codethink Limited
#  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 .._utils import generate_junction
from .. import create_repo
from .. import cli  # pylint: disable=unused-import
from .utils import update_project_configuration
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.datafiles(DATA_DIR)
def test_fetch(cli, tmpdir, datafiles, kind):
    project = str(datafiles)
    bin_files_path = os.path.join(project, 'files', 'bin-files')
    element_path = os.path.join(project, 'elements')
    element_name = 'fetch-test-{}.bst'.format(kind)

    # 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))
    ref = repo.create(bin_files_path)

    # Write out our test target
    element = {
        'kind': 'import',
        'sources': [
            repo.source_config(ref=ref)
        ]
    }
    _yaml.roundtrip_dump(element,
                         os.path.join(element_path, element_name))

    # Assert that a fetch is needed
    assert cli.get_element_state(project, element_name) == 'fetch needed'

    # Now try to fetch it
    result = cli.run(project=project, args=['source', 'fetch', element_name])
    result.assert_success()

    # Assert that we are now buildable because the source is
    # now cached.
    assert cli.get_element_state(project, element_name) == 'buildable'


@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.parametrize("ref_storage", ['inline', 'project.refs'])
def test_fetch_cross_junction(cli, tmpdir, datafiles, ref_storage, kind):
    project = str(datafiles)
    subproject_path = os.path.join(project, 'files', 'sub-project')
    junction_path = os.path.join(project, 'elements', 'junction.bst')

    import_etc_path = os.path.join(subproject_path, 'elements', 'import-etc-repo.bst')
    etc_files_path = os.path.join(subproject_path, 'files', 'etc-files')

    repo = create_repo(kind, str(tmpdir.join('import-etc')))
    ref = repo.create(etc_files_path)

    element = {
        'kind': 'import',
        'sources': [
            repo.source_config(ref=(ref if ref_storage == 'inline' else None))
        ]
    }
    _yaml.roundtrip_dump(element, import_etc_path)

    update_project_configuration(project, {
        'ref-storage': ref_storage
    })

    generate_junction(tmpdir, subproject_path, junction_path, store_ref=(ref_storage == 'inline'))

    if ref_storage == 'project.refs':
        result = cli.run(project=project, args=['source', 'track', 'junction.bst'])
        result.assert_success()
        result = cli.run(project=project, args=['source', 'track', 'junction.bst:import-etc.bst'])
        result.assert_success()

    result = cli.run(project=project, args=['source', 'fetch', 'junction.bst:import-etc.bst'])
    result.assert_success()