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# Copyright 2022, New York University and the TUF contributors
# SPDX-License-Identifier: MIT OR Apache-2.0
"""Test ngclient Updater validations."""
import os
import sys
import tempfile
import unittest
from tests import utils
from tests.repository_simulator import RepositorySimulator
from tuf.ngclient import Updater
class TestUpdater(unittest.TestCase):
"""Test ngclient Updater input validation."""
def setUp(self) -> None:
self.temp_dir = tempfile.TemporaryDirectory()
self.metadata_dir = os.path.join(self.temp_dir.name, "metadata")
self.targets_dir = os.path.join(self.temp_dir.name, "targets")
os.mkdir(self.metadata_dir)
os.mkdir(self.targets_dir)
# Setup the repository, bootstrap client root.json
self.sim = RepositorySimulator()
with open(os.path.join(self.metadata_dir, "root.json"), "bw") as f:
f.write(self.sim.signed_roots[0])
def tearDown(self) -> None:
self.temp_dir.cleanup()
def _new_updater(self) -> Updater:
return Updater(
self.metadata_dir,
"https://example.com/metadata/",
self.targets_dir,
"https://example.com/targets/",
fetcher=self.sim,
)
def test_local_target_storage_fail(self) -> None:
self.sim.add_target("targets", b"content", "targetpath")
self.sim.targets.version += 1
self.sim.update_snapshot()
updater = self._new_updater()
target_info = updater.get_targetinfo("targetpath")
assert target_info is not None
with self.assertRaises(FileNotFoundError):
updater.download_target(target_info, filepath="")
def test_non_existing_metadata_dir(self) -> None:
with self.assertRaises(FileNotFoundError):
# Initialize Updater with non-existing metadata_dir
Updater(
"non_existing_metadata_dir",
"https://example.com/metadata/",
fetcher=self.sim,
)
if __name__ == "__main__":
utils.configure_test_logging(sys.argv)
unittest.main()
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