test: add type checks for hero ID to ensure it is a string

Author: umbertogriffo

tests/api/endpoints/test_heroes.py

@@ -15,6 +15,7 @@ def test_create_hero(client_with_db: TestClient, session: Session):
     assert data["name"] == "Deadpond"
     assert data["age"] is None
     assert data["id"] is not None
+    assert isinstance(data["id"], str)
 
 
 def test_create_hero_incomplete(client: TestClient):
@@ -51,10 +52,12 @@ def test_read_heroes(session: Session, client_with_db: TestClient):
     assert data[0]["name"] == hero_1.name
     assert "secret_name" not in data[0].keys()
     assert data[0]["age"] == hero_1.age
+    assert isinstance(data[0]["id"], str)
     assert data[0]["id"] == str(hero_1.id)
     assert data[1]["name"] == hero_2.name
     assert "secret_name" not in data[1].keys()
     assert data[1]["age"] == hero_2.age
+    assert isinstance(data[1]["id"], str)
     assert data[1]["id"] == str(hero_2.id)
 
 
@@ -70,6 +73,7 @@ def test_read_hero(session: Session, client_with_db: TestClient):
     assert data["name"] == hero_1.name
     assert "secret_name" not in data.keys()
     assert data["age"] == hero_1.age
+    assert isinstance(data["id"], str)
     assert data["id"] == str(hero_1.id)
 
 
@@ -85,6 +89,7 @@ def test_update_hero(session: Session, client_with_db: TestClient):
     assert data["name"] == "Deadpuddle"
     assert "secret_name" not in data.keys()
     assert data["age"] is None
+    assert isinstance(data["id"], str)
     assert data["id"] == str(hero_1.id)