import pytest from compose_viz.extends import Extends from compose_viz.service import Service def test_service_init(): with pytest.raises(ValueError, match=r"Both image and extends are not defined in service 'frontend', aborting."): Service(name="frontend") with pytest.raises( ValueError, match=r"Only one of image and extends can be defined in service 'frontend', aborting." ): Service( name="frontend", image="image", extends=Extends(service_name="frontend", from_file="tests/in/000001.yaml") )