test: ✅ add sqlmodel test and clean import

tests/sqlalchemy/crud/test_upsert.py

@@ -1,5 +1,5 @@
 import pytest
-from sqlalchemy import select
+
 from fastcrud.crud.fast_crud import FastCRUD
 
 

tests/sqlmodel/crud/test_upsert.py

@@ -0,0 +1,16 @@
+import pytest
+
+from fastcrud.crud.fast_crud import FastCRUD
+
+
+@pytest.mark.asyncio
+async def test_upsert_successful(async_session, test_model, read_schema):
+    crud = FastCRUD(test_model)
+    new_data = read_schema(id=1, name="New Record", tier_id=1, category_id=1)
+    fetched_record = await crud.upsert(async_session, new_data, return_as_model=True)
+    assert read_schema.model_validate(fetched_record) == new_data
+
+    fetched_record.name == "New name"
+
+    updated_fetched_record = await crud.upsert(async_session, fetched_record)
+    assert read_schema.model_validate(updated_fetched_record) == fetched_record