"""Integration test — invokes the containerized Lambda with a real XLSX."""

from __future__ import annotations

import pytest


@pytest.mark.integration
class TestLambdaIntegration:
    """End-to-end Lambda invocation test."""

    def test_handler_processes_xlsx(self, lambda_url: str) -> None:
        """Invoke Lambda with a sample event and verify success response.

        NOTE: this test requires a running Lambda container and
        a real XLSX file in the S3 bucket. See docker-compose.yaml.
        """
        pytest.skip('Integration test — requires Docker environment')