import pytest

rclpy = pytest.importorskip('rclpy')


def test_the_node_constructs_with_default_parameters():
    """Declaring a parameter twice raises at construction, and nothing else exercises the node."""
    from hermes_vision.face_detector_node import FaceDetectorNode
    rclpy.init()
    try:
        node = FaceDetectorNode()
        assert node.detector.backend in ('yunet', 'haar')
        node.destroy_node()
    finally:
        rclpy.shutdown()