Remove cached model directories recursively

tests/large_file/test_storage_safety.py

@@ -27,3 +27,21 @@ def test_unrelated_cache_entries_are_ignored() -> None:
     (LargeFileLocal.cache_path / "model-unrelated").write_text("unrelated")
     (LargeFileLocal.cache_path / "model-0").write_text("weights")
     assert LargeFileLocal("model").get().read_text() == "weights"
+
+
+@pytest.mark.parametrize("operation", ["delete", "prune"])
+def test_cached_directories_can_be_removed(
+    tmp_path: Path, monkeypatch: pytest.MonkeyPatch, operation: str
+) -> None:
+    source = tmp_path / "source"
+    source.mkdir()
+    (source / "weights").write_text("weights")
+    LargeFileLocal("model", "w").push(source)
+    reader = LargeFileLocal("model")
+    cached = reader.get()
+    if operation == "delete":
+        reader.delete()
+    else:
+        monkeypatch.setattr(LargeFileLocal, "max_cache_size", "0")
+        reader.clean_up()
+    assert not cached.exists()