drop sha256

Author: nvaytet

tests/facilities/source_library_test.py

@@ -1,22 +1,13 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright (c) 2026 Scipp contributors (https://github.com/scipp)
 
-import hashlib
 from pathlib import Path
 
 import pooch
 
 from tof.facilities import _BASE_URLS, _source_library
 
 
-def sha256(p: Path) -> str:
-    h = hashlib.sha256()
-    with p.open("rb") as f:
-        for chunk in iter(lambda: f.read(1024 * 1024), b""):
-            h.update(chunk)
-    return h.hexdigest()
-
-
 def test_source_library_files_identical_on_public_and_github(tmp_path: Path) -> None:
     registry = {f["path"]: f["hash"] for f in _source_library.values()}
 
@@ -28,11 +19,14 @@ def test_source_library_files_identical_on_public_and_github(tmp_path: Path) ->
         path=tmp_path / "cache_github", base_url=_BASE_URLS[1], registry=registry
     )
 
-    for name, entry in _source_library.items():
+    for entry in _source_library.values():
         rel = entry["path"]
 
+        # Verify that hashes are the same in both registries.
+        assert public.registry[rel] == gh.registry[rel]
+
         p_gh = Path(gh.fetch(rel))
         p_public = Path(public.fetch(rel))
 
-        # registry already verifies md5, but we compare content across hosts:
-        assert sha256(p_gh) == sha256(p_public), f"Mismatch for {name} ({rel})"
+        assert p_gh.stem == p_public.stem
+        assert p_gh.suffix == p_public.suffix