from __future__ import annotations from tox.pytest import ToxProjectCreator def test_env_already_packaging(tox_project: ToxProjectCreator) -> None: proj = tox_project( { "tox.ini": "[testenv]\npackage=wheel", "pyproject.toml": '[build-system]\nrequires=[]\nbuild-backend="build"', }, ) result = proj.run("r", "-e", "py,.pkg") result.assert_failed(code=-2) assert "cannot run packaging environment(s) .pkg" in result.out, result.out def test_env_run_cannot_be_packaging_too(tox_project: ToxProjectCreator) -> None: proj = tox_project({"tox.ini": "[testenv]\npackage=wheel\npackage_env=py", "pyproject.toml": ""}) result = proj.run("r", "-e", "py") result.assert_failed(code=-2) assert " py cannot self-package" in result.out, result.out