import subprocess import pytest from test import test_projects from . import utils pure_python_project = test_projects.TestProject() pure_python_project.files["setup.py"] = """ from setuptools import Extension, setup setup( name="spam", py_modules=['spam'], version="0.1.0", ) """ pure_python_project.files["spam.py"] = """ def a_function(): pass """ def test(tmp_path, capfd): # this test checks that if a pure wheel is generated, the build should # fail. project_dir = tmp_path / "project" pure_python_project.generate(project_dir) with pytest.raises(subprocess.CalledProcessError) as exc_info: print("produced wheels:", utils.cibuildwheel_run(project_dir)) captured = capfd.readouterr() print("out", captured.out) print("err", captured.err) assert exc_info.value.returncode == 5 assert "Build failed because a pure Python wheel was generated" in captured.err