add test

Author: hramezani

pydantic_core/core_schema.py

@@ -3134,6 +3134,7 @@ def dataclass_schema(
         metadata: Any other information you want to include with the schema, not used by pydantic-core
         serialization: Custom serialization schema
         frozen: Whether the dataclass is frozen
+        slots: Whether the slots is enabled on dataclass
     """
     return dict_not_none(
         type='dataclass',

tests/test_schema_functions.py

@@ -252,6 +252,12 @@ def args(*args, **kwargs):
         args(MyModel, {'type': 'int'}),
         {'type': 'dataclass', 'schema': {'type': 'int'}, 'cls': MyModel, 'slots': False},
     ),
+    (
+        core_schema.dataclass_schema,
+        # MyModel should be a dataclass, but I'm being lazy here
+        args(MyModel, {'type': 'int'}, slots=True),
+        {'type': 'dataclass', 'schema': {'type': 'int'}, 'cls': MyModel, 'slots': True},
+    ),
 ]