Only validate readOnly/writeOnly for required properties if the property is defined on the same sub-schema as the required

Clean up some flake8 issues

Author: Sebastian Mika

openapi_schema_validator/_validators.py

@@ -18,7 +18,7 @@ def format(validator, format, instance, schema):
         try:
             validator.format_checker.check(instance, format)
         except FormatError as error:
-            yield ValidationError(error.message, cause=error.cause)
+            yield ValidationError(str(error), cause=error.cause)
 
 
 def items(validator, items, instance, schema):
@@ -40,11 +40,14 @@ def required(validator, required, instance, schema):
         return
     for property in required:
         if property not in instance:
-            prop_schema = schema['properties'][property]
-            read_only = prop_schema.get('readOnly', False)
-            write_only = prop_schema.get('writeOnly', False)
-            if validator.write and read_only or validator.read and write_only:
-                continue
+            prop_schema = schema.get('properties', {}).get(property)
+            if prop_schema:
+                read_only = prop_schema.get('readOnly', False)
+                write_only = prop_schema.get('writeOnly', False)
+                if (
+                        validator.write and read_only or
+                        validator.read and write_only):
+                    continue
             yield ValidationError("%r is a required property" % property)
 
 

tests/integration/test_validators.py

@@ -146,3 +146,36 @@ def test_string_uuid(self, value):
         result = validator.validate(value)
 
         assert result is None
+
+    def test_allof_required(self):
+        schema = {
+            "allOf": [
+                {"type": "object",
+                 "properties": {
+                     "some_prop": {"type": "string"}}},
+                {"type": "object", "required": ["some_prop"]},
+            ]
+        }
+        validator = OAS30Validator(schema, format_checker=oas30_format_checker)
+        with pytest.raises(ValidationError,
+                           match="'some_prop' is a required property"):
+            validator.validate({"another_prop": "bla"})
+
+    def test_oneof_required(self):
+        instance = {
+            'n3IwfId': 'string',
+        }
+        schema = {
+            "type": "object",
+            "properties": {
+                "n3IwfId": {"type": "string"},
+                "wagfId": {"type": "string"},
+            },
+            "oneOf": [
+                {"required": ["n3IwfId"]},
+                {"required": ["wagfId"]},
+            ],
+        }
+        validator = OAS30Validator(schema, format_checker=oas30_format_checker)
+        result = validator.validate(instance)
+        assert result is None