Add more detailed debugging message

src/koopmans/files.py

@@ -68,7 +68,7 @@ def __eq__(self, other):
         if not isinstance(other, FilePointer):
             return False
         # Note that we don't check self.parent.absolute_directory
-        return self.parent.directory == other.parent.directory and self.name == other.name
+        return self.absolute_directory == other.absolute_directory and self.name == other.name
 
     def __reduce__(self):
         # We don't want to store the entire parent object in the database; we only need the directory information

tests/helpers/patches/_check.py

@@ -348,10 +348,10 @@ def _run(self):
             utils.warn(f'Inputs differ from the benchmark')
             for k in self.inputs.model_fields:
                 utils.warn(f'Input {k} differs')
-                for x in getattr(self.inputs, k):
-                    utils.warn(f'input {k}: {x}')
-                for x in getattr(bench_process.inputs, k):
-                    utils.warn(f'bench {k}: {x}')
+                utils.warn('input has ' + ', '.join([x.name for x in getattr(self.inputs, k)]))
+                utils.warn('bench has ' + ', '.join([x.name for x in getattr(bench_process.inputs, k)]))
+                for x, y in zip(getattr(self.inputs, k), getattr(bench_process.inputs, k)):
+                    utils.warn(f'input {k}: {x} != {y}')
             raise ValueError()
 
         unpatched_run(self)