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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/>.
#
# Authors:
# Raoul Hidalgo Charman <raoul.hidalgocharman@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._project import Project
from buildstream.testing.runcli import cli # pylint: disable=unused-import
from tests.testutils import dummy_context
from tests.testutils.element_generators import create_element_size
DATA_DIR = os.path.dirname(os.path.realpath(__file__))
# walk that removes the root directory from roots
def relative_walk(rootdir):
for root, dirnames, filenames in os.walk(rootdir):
relative_root = root.split(rootdir)[1]
yield (relative_root, dirnames, filenames)
@pytest.mark.datafiles(DATA_DIR)
def test_source_staged(tmpdir, cli, datafiles):
project_dir = os.path.join(datafiles.dirname, datafiles.basename, "project")
cachedir = os.path.join(str(tmpdir), "cache")
cli.configure({"cachedir": cachedir})
res = cli.run(project=project_dir, args=["build", "import-bin.bst"])
res.assert_success()
with dummy_context() as context:
context.cachedir = cachedir
# load project and sourcecache
project = Project(project_dir, context)
project.ensure_fully_loaded()
sourcecache = context.sourcecache
cas = context.get_cascache()
# now check that the source is in the refs file, this is pretty messy but
# seems to be the only way to get the sources?
element = project.load_elements(["import-bin.bst"])[0]
element._fetch(check_only=True)
source = list(element.sources())[0]
assert element._cached_sources()
assert sourcecache.contains(source)
# Extract the file and check it's the same as the one we imported
digest = sourcecache.export(source)._get_digest()
extractdir = os.path.join(str(tmpdir), "extract")
cas.checkout(extractdir, digest)
dir1 = extractdir
dir2 = os.path.join(project_dir, "files", "bin-files")
assert list(relative_walk(dir1)) == list(relative_walk(dir2))
# Check sources are staged during a fetch
@pytest.mark.datafiles(DATA_DIR)
def test_source_fetch(tmpdir, cli, datafiles):
project_dir = os.path.join(datafiles.dirname, datafiles.basename, "project")
cachedir = os.path.join(str(tmpdir), "cache")
cli.configure({"cachedir": cachedir})
res = cli.run(project=project_dir, args=["source", "fetch", "import-dev.bst"])
res.assert_success()
with dummy_context() as context:
context.cachedir = cachedir
# load project and sourcecache
project = Project(project_dir, context)
project.ensure_fully_loaded()
cas = context.get_cascache()
sourcecache = context.sourcecache
element = project.load_elements(["import-dev.bst"])[0]
element._fetch(check_only=True)
source = list(element.sources())[0]
assert element._cached_sources()
# check that the directory structures are identical
digest = sourcecache.export(source)._get_digest()
extractdir = os.path.join(str(tmpdir), "extract")
cas.checkout(extractdir, digest)
dir1 = extractdir
dir2 = os.path.join(project_dir, "files", "dev-files")
assert list(relative_walk(dir1)) == list(relative_walk(dir2))
# Check that with sources only in the CAS build successfully completes
@pytest.mark.datafiles(DATA_DIR)
def test_staged_source_build(tmpdir, datafiles, cli):
project_dir = os.path.join(datafiles.dirname, datafiles.basename, "project")
cachedir = os.path.join(str(tmpdir), "cache")
element_path = "elements"
source_protos = os.path.join(str(tmpdir), "cache", "source_protos")
elementsources = os.path.join(str(tmpdir), "cache", "elementsources")
source_dir = os.path.join(str(tmpdir), "cache", "sources")
cli.configure({"cachedir": cachedir})
create_element_size("target.bst", project_dir, element_path, [], 10000)
with dummy_context() as context:
context.cachedir = cachedir
project = Project(project_dir, context)
project.ensure_fully_loaded()
element = project.load_elements(["import-dev.bst"])[0]
# check consistency of the source
element._fetch(check_only=True)
assert not element._cached_sources()
res = cli.run(project=project_dir, args=["build", "target.bst"])
res.assert_success()
# delete artifacts check state is buildable
cli.remove_artifact_from_cache(project_dir, "target.bst")
states = cli.get_element_states(project_dir, ["target.bst"])
assert states["target.bst"] == "buildable"
# delete source dir and check that state is still buildable
shutil.rmtree(source_dir)
states = cli.get_element_states(project_dir, ["target.bst"])
assert states["target.bst"] == "buildable"
# build and check that no fetching was done.
res = cli.run(project=project_dir, args=["build", "target.bst"])
res.assert_success()
assert "Fetching from" not in res.stderr
# assert the source directory is still empty (though there may be
# directories from staging etc.)
files = []
for _, _, filename in os.walk(source_dir):
files.extend(filename)
assert files == []
# Now remove the source refs and check the state
shutil.rmtree(source_protos)
shutil.rmtree(elementsources)
cli.remove_artifact_from_cache(project_dir, "target.bst")
states = cli.get_element_states(project_dir, ["target.bst"])
assert states["target.bst"] == "fetch needed"
# Check that it now fetches from when building the target
res = cli.run(project=project_dir, args=["build", "target.bst"])
res.assert_success()
assert "Fetching from" in res.stderr
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