Backport common checks asset to DF for roles based integration tests (#13191)

src/middlewared/middlewared/test/integration/assets/roles.py

+import errno
+import pytest
+
+from middlewared.client.client import ClientException
+from middlewared.test.integration.assets.account import unprivileged_user_client
+
+
+def common_checks(
+    method, role, valid_role, valid_role_exception=True, method_args=None, method_kwargs=None, is_return_type_none=False
+):
+    method_args = method_args or []
+    method_kwargs = method_kwargs or {}
+    with unprivileged_user_client(roles=[role]) as client:
+        if valid_role:
+            if valid_role_exception:
+                with pytest.raises(Exception) as exc_info:
+                    client.call(method, *method_args, **method_kwargs)
+
+                assert not isinstance(exc_info.value, ClientException)
+
+            elif is_return_type_none:
+                assert client.call(method, *method_args, **method_kwargs) is None
+            else:
+                assert client.call(method, *method_args, **method_kwargs) is not None
+        else:
+            with pytest.raises(ClientException) as ve:
+                client.call(method, *method_args, **method_kwargs)
+            assert ve.value.errno == errno.EACCES
+            assert ve.value.error == 'Not authorized'