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tests: Add missing test to TrustedMetadataSet

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Test failing length/hash test for snapshot

Signed-off-by: Jussi Kukkonen <jkukkonen@vmware.com>
This commit is contained in:
Jussi Kukkonen 2021-08-17 15:40:13 +03:00
parent efb5653016
commit 85656a56eb
1 changed files with 10 additions and 0 deletions
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10
tests/test_trusted_metadata_set.py
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@ -277,6 +277,16 @@ def timestamp_expired_modifier(timestamp: Timestamp) -> None:
with self.assertRaises(exceptions.ExpiredMetadataError):
self.trusted_set.update_timestamp(timestamp)
def test_update_snapshot_length_or_hash_mismatch(self):
def modify_snapshot_length(timestamp: Timestamp) -> None:
timestamp.meta["snapshot.json"].length = 1
# set known snapshot.json length to 1
timestamp = self.modify_metadata("timestamp", modify_snapshot_length)
self._root_updated_and_update_timestamp(timestamp)
with self.assertRaises(exceptions.RepositoryError):
self.trusted_set.update_snapshot(self.metadata["snapshot"])
def test_update_snapshot_cannot_verify_snapshot_with_threshold(self):
self._root_updated_and_update_timestamp(self.metadata["timestamp"])