Files
shelfmark/tests/core/test_image_cache.py
Alex 8d98e122ec Linter followup (#868)
Expanded Ruff rules and completed fixes
2026-04-11 16:18:52 +01:00

23 lines
775 B
Python

"""Tests for targeted image cache safety and fetch fallbacks."""
import requests
from shelfmark.core.image_cache import ImageCacheService
def test_is_safe_url_rejects_invalid_ipv6_url() -> None:
assert ImageCacheService._is_safe_url("http://[") is False
def test_fetch_and_cache_returns_none_on_request_exception(tmp_path, monkeypatch) -> None:
cache = ImageCacheService(tmp_path)
monkeypatch.setattr(cache, "_is_safe_url", lambda _url: True)
def fake_get(*args, **kwargs):
raise requests.exceptions.TooManyRedirects("too many redirects")
monkeypatch.setattr("shelfmark.core.image_cache.requests.get", fake_get)
assert cache.fetch_and_cache("cover-1", "https://example.com/cover.jpg") is None
assert "cover-1" not in cache._index