ensuring warning free serialization

pydantic · Jan 21, 2025 · 327c60a · 327c60a
1 parent 2d0b850
commit 327c60a
Showing 1 changed file with 23 additions and 0 deletions.
diff --git a/tests/serializers/test_dataclasses.py b/tests/serializers/test_dataclasses.py
@@ -192,3 +192,26 @@ class Model:
     m = v.validate_python({'extra': 'extra'})
 
     assert s.to_python(m) == {'extra': 'extra bam!'}
+
+
+@pytest.mark.filterwarnings('error')
+def test_initvar_not_required_on_ser() -> None:
+    @dataclasses.dataclass
+    class Model:
+        x: int
+        y: dataclasses.InitVar[str]
+
+    schema = core_schema.dataclass_schema(
+        Model,
+        core_schema.dataclass_args_schema(
+            'Model',
+            [
+                core_schema.dataclass_field(name='x', schema=core_schema.int_schema()),
+                core_schema.dataclass_field(name='y', init_only=True, schema=core_schema.str_schema()),
+            ],
+        ),
+        ['x'],
+    )
+
+    s = SchemaSerializer(schema)
+    assert s.to_python(Model(x=1, y='a')) == {'x': 1}