def fetch_archives(self, download_path: Path) -> List[Tuple[str, str, Path]]:
"""Fetches archives, list of (<package-name>, <package-version>, <dl-path>)."""
downloaded = list()
for package in self.cache.get_changes():
try:
dl_path = package.candidate.fetch_binary(str(download_path))
except apt.package.FetchError as e:
raise errors.PackageFetchError(str(e))
downloaded.append((package.name, package.candidate.version, Path(dl_path)))
return downloaded
def test_get_package_fetch_error(self):
self.fake_apt_cache.return_value.__enter__.return_value.fetch_archives.side_effect = errors.PackageFetchError(
"foo")
raised = self.assertRaises(
errors.PackageFetchError,
repo.Ubuntu.fetch_stage_packages,
package_names=["fake-package"],
stage_packages_path=Path(self.path),
base="core",
)
self.assertThat(str(raised), Equals("Package fetch error: foo"))
