From 35d9f7b79f6afd165568db9671441a8f41cf34cf Mon Sep 17 00:00:00 2001
From: Frank Sachsenheim <funkyfuture@riseup.net>
Date: Sun, 23 Jul 2023 16:46:57 +0200
Subject: [PATCH] Skips *of-rules for valid None values

Closes #582.
---
 cerberus/tests/test_validation.py | 14 ++++++++++++++
 cerberus/validator.py             |  4 ++++
 2 files changed, 18 insertions(+)

diff --git a/cerberus/tests/test_validation.py b/cerberus/tests/test_validation.py
index ae5f5444..cbcb6874 100644
--- a/cerberus/tests/test_validation.py
+++ b/cerberus/tests/test_validation.py
@@ -80,6 +80,20 @@ def test_nullable_skips_allowed():
     assert_success({'role': None}, schema)
 
 
+@mark.parametrize("rule", ("all", "any", "none", "one"))
+def test_nullable_skips_of_roles(rule):
+    assert_success(
+        schema={
+            "foo": {
+                "type": "dict",
+                "nullable": True,
+                rule + "of_schema": [{"bar": {"type": "string"}}],
+            }
+        },
+        document={"foo": None},
+    )
+
+
 def test_readonly_field():
     field = 'a_readonly_string'
     assert_fail(
diff --git a/cerberus/validator.py b/cerberus/validator.py
index c13ecc43..0d54eb53 100644
--- a/cerberus/validator.py
+++ b/cerberus/validator.py
@@ -1374,7 +1374,9 @@ def _validate_nullable(self, nullable, field, value):
             if not nullable:
                 self._error(field, errors.NOT_NULLABLE)
             self._drop_remaining_rules(
+                "allof",
                 'allowed',
+                "anyof",
                 'empty',
                 'forbidden',
                 'items',
@@ -1383,6 +1385,8 @@ def _validate_nullable(self, nullable, field, value):
                 'max',
                 'minlength',
                 'maxlength',
+                "noneof",
+                "oneof",
                 'regex',
                 'schema',
                 'type',