Add tests

Author: Kludex

environment.yml

@@ -45,6 +45,7 @@ dependencies:
   - py
   - psycopg2>=2.9.3
   - pyarrow>=7.0.0
+  - pydantic>=2.0
   - pymysql>=1.0.2
   - pyreadstat>=1.1.5
   - pytables>=3.7.0

pandas/tests/test_downstream.py

@@ -274,3 +274,17 @@ def __radd__(self, other):
 
     assert right.__add__(left) is NotImplemented
     assert right + left is left
+
+
+@td.skip_if_no("pydantic")
+@td.skip_if_no("pydantic_core")
+@pytest.mark.parametrize("series", [Series([1, 2, 3]), Series(np.array([1, 2, 3]))])
+def test_pydantic_protocol(series: Series) -> None:
+    from pydantic import BaseModel
+
+    class Model(BaseModel):
+        series: Series
+
+
+    series = Series([1, 2, 3])
+    model = Model(series=series)