Files
paperless-ngx/src/documents/tests/test_caching.py
2025-08-06 16:00:11 -04:00

46 lines
1.2 KiB
Python

import pickle
from documents.caching import StoredLRUCache
def test_lru_cache_entries():
CACHE_TTL = 1
# LRU cache with a capacity of 2 elements
cache = StoredLRUCache("test_lru_cache_key", 2, backend_ttl=CACHE_TTL)
cache.set(1, 1)
cache.set(2, 2)
assert cache.get(2) == 2
assert cache.get(1) == 1
# The oldest entry (2) should be removed
cache.set(3, 3)
assert cache.get(3) == 3
assert not cache.get(2)
assert cache.get(1) == 1
# Save the cache, restore it and check it overwrites the current cache in memory
cache.save()
cache.set(4, 4)
assert not cache.get(3)
cache.load()
assert not cache.get(4)
assert cache.get(3) == 3
assert cache.get(1) == 1
def test_stored_lru_cache_key_ttl(mocker):
mock_backend = mocker.Mock()
cache = StoredLRUCache("test_key", backend=mock_backend, backend_ttl=321)
# Simulate storing values
cache.set("x", "X")
cache.set("y", "Y")
cache.save()
# Assert backend.set was called with pickled data, key and TTL
mock_backend.set.assert_called_once()
key, data, timeout = mock_backend.set.call_args[0]
assert key == "test_key"
assert timeout == 321
assert pickle.loads(data) == {"x": "X", "y": "Y"}