def test_static_files(client: TestClient):
    response = client.get("/static/sample.txt")
    assert response.status_code == 200, response.text
    assert response.text == "This is a sample static file."


def test_static_files_not_found(client: TestClient):
    response = client.get("/static/non_existent_file.txt")
    assert response.status_code == 404, response.text


def test_openapi_schema(client: TestClient):