NGFF source validation for remote

mobie/validation/metadata.py

@@ -22,10 +22,12 @@ def _check_bdv_n5_s3(xml, assert_true):
 
 def _check_ome_zarr_s3(address, name, assert_true, assert_equal, channel):
     try:
-        load_json_from_s3(os.path.join(address, ".zattrs"))
+        zattrs = load_json_from_s3(os.path.join(address, ".zattrs"))
     except Exception:
         assert_true(False, f"Can't find ome.zarr..s3file at {address}")
 
+    validate_with_schema(zattrs, "NGFF")
+
     # we disable the name check for the time being since it seems to not be necessary,
     # AND restricting the name in this fashion prevents embedding existing ome.zarr files in mobie projects
     #  if channel is None:
@@ -64,13 +66,13 @@ def bdv_check():
         path = os.path.join(dataset_folder, storage["relativePath"])
         assert_true(os.path.exists(path), f"Could not find data for {name} at {path}")
 
-        attr_path =os.path.join(path, ".zattrs")
+        attr_path = os.path.join(path, ".zattrs")
         assert_true(os.path.exists(attr_path), f"Could not find metadata for {name} at {path}")
 
         with open(attr_path) as f:
-            zattr = json.load(f)
+            zattrs = json.load(f)
 
-        validate_with_schema(zattr, "NGFF")
+        validate_with_schema(zattrs, "NGFF")
 
         # we disable the name check for the time being since it seems to not be necessary,
         # AND restricting the name in this fashion prevents embedding existing ome.zarr files in mobie projects