✅ Add tests

tests/test_query.py

@@ -0,0 +1,26 @@
+from typing import Optional
+
+from sqlmodel import Field, Session, SQLModel, create_engine
+
+
+def test_query(clear_sqlmodel):
+    class Hero(SQLModel, table=True):
+        id: Optional[int] = Field(default=None, primary_key=True)
+        name: str
+        secret_name: str
+        age: Optional[int] = None
+
+    hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson")
+
+    engine = create_engine("sqlite://")
+
+    SQLModel.metadata.create_all(engine)
+    with Session(engine) as session:
+        session.add(hero_1)
+        session.commit()
+        session.refresh(hero_1)
+
+    with Session(engine) as session:
+        query_hero = session.query(Hero).first()
+        assert query_hero
+        assert query_hero.name == hero_1.name