validator read write pass with evolve

Author: p1c2u

openapi_schema_validator/validators.py

@@ -87,13 +87,21 @@ def _patch_validator_with_read_write_context(cls: Type[Validator]) -> None:
     # be part of their public API and will raise error
     # See https://github.com/p1c2u/openapi-schema-validator/issues/48
     original_init = cls.__init__
+    original_evolve = cls.evolve
 
     def __init__(self: Validator, *args: Any, **kwargs: Any) -> None:
         self.read = kwargs.pop("read", None)
         self.write = kwargs.pop("write", None)
         original_init(self, *args, **kwargs)
 
+    def evolve(self: Validator, **changes: Any) -> Validator:
+        validator = original_evolve(self, **changes)
+        validator.read = self.read
+        validator.write = self.write
+        return validator
+
     cls.__init__ = __init__
+    cls.evolve = evolve
 
 
 _patch_validator_with_read_write_context(OAS30Validator)

tests/integration/test_validators.py

@@ -225,6 +225,42 @@ def test_required(self):
             validator.validate({"another_prop": "bla"})
         assert validator.validate({"some_prop": "hello"}) is None
 
+    def test_read_only(self):
+        schema = {
+            "type": "object",
+            "properties": {"some_prop": {"type": "string", "readOnly": True}},
+        }
+
+        validator = OAS30Validator(
+            schema, format_checker=oas30_format_checker, write=True
+        )
+        with pytest.raises(
+            ValidationError, match="Tried to write read-only property with hello"
+        ):
+            validator.validate({"some_prop": "hello"})
+        validator = OAS30Validator(
+            schema, format_checker=oas30_format_checker, read=True
+        )
+        assert validator.validate({"some_prop": "hello"}) is None
+
+    def test_write_only(self):
+        schema = {
+            "type": "object",
+            "properties": {"some_prop": {"type": "string", "writeOnly": True}},
+        }
+
+        validator = OAS30Validator(
+            schema, format_checker=oas30_format_checker, read=True
+        )
+        with pytest.raises(
+            ValidationError, match="Tried to read write-only property with hello"
+        ):
+            validator.validate({"some_prop": "hello"})
+        validator = OAS30Validator(
+            schema, format_checker=oas30_format_checker, write=True
+        )
+        assert validator.validate({"some_prop": "hello"}) is None
+
     def test_required_read_only(self):
         schema = {
             "type": "object",