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# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os
import pytest
from llnl.util.filesystem import mkdirp, touch
import spack.config
import spack.util.url as url_util
from spack.fetch_strategy import CacheURLFetchStrategy, NoCacheError
from spack.stage import Stage
@pytest.mark.parametrize("_fetch_method", ["curl", "urllib"])
def test_fetch_missing_cache(tmpdir, _fetch_method):
"""Ensure raise a missing cache file."""
testpath = str(tmpdir)
non_existing = os.path.join(testpath, "non-existing")
with spack.config.override("config:url_fetch_method", _fetch_method):
url = url_util.path_to_file_url(non_existing)
fetcher = CacheURLFetchStrategy(url=url)
with Stage(fetcher, path=testpath):
with pytest.raises(NoCacheError, match=r"No cache"):
fetcher.fetch()
@pytest.mark.parametrize("_fetch_method", ["curl", "urllib"])
def test_fetch(tmpdir, _fetch_method):
"""Ensure a fetch after expanding is effectively a no-op."""
cache_dir = tmpdir.join("cache")
stage_dir = tmpdir.join("stage")
mkdirp(cache_dir)
mkdirp(stage_dir)
cache = os.path.join(cache_dir, "cache.tar.gz")
touch(cache)
url = url_util.path_to_file_url(cache)
with spack.config.override("config:url_fetch_method", _fetch_method):
fetcher = CacheURLFetchStrategy(url=url)
with Stage(fetcher, path=str(stage_dir)) as stage:
source_path = stage.source_path
mkdirp(source_path)
fetcher.fetch()
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