chore(cibw): also test sdist/gen wheel

.github/workflows/cibuildwheel.yaml

@@ -43,6 +43,14 @@ jobs:
         run: |
           tools/check_dist.py ${{ github.event_name == 'release' && format('-r {0}', github.ref) || '' }}
 
+      - name: Test sdist
+        run: |
+          tools/test_dist.py dist/*.tar.gz
+
+      - name: Test pure-Python wheel
+        run: |
+          tools/test_dist.py dist/*.whl
+
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:

tools/test_dist.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+
+import argparse
+import logging
+import pathlib
+import subprocess
+import sys
+import tempfile
+
+logging.basicConfig(
+    format='[test_dist.py] %(asctime)s [%(levelname)s] %(message)s', level=logging.INFO
+)
+
+FALCON_ROOT = pathlib.Path(__file__).resolve().parent.parent
+REQUIREMENTS = FALCON_ROOT / 'requirements' / 'cibwtest'
+TESTS = FALCON_ROOT / 'tests'
+
+
+def test_package(package):
+    with tempfile.TemporaryDirectory() as tmpdir:
+        venv = pathlib.Path(tmpdir) / 'venv'
+        subprocess.check_call((sys.executable, '-m', 'venv', venv))
+        logging.info(f'Created a temporary venv in {venv}.')
+
+        subprocess.check_call((venv / 'bin' / 'pip', 'install', '--upgrade', 'pip'))
+        subprocess.check_call((venv / 'bin' / 'pip', 'install', '-r', REQUIREMENTS))
+        logging.info(f'Installed test requirements in {venv}.')
+        subprocess.check_call(
+            (venv / 'bin' / 'pip', 'install', package),
+        )
+        logging.info(f'Installed {package} into {venv}.')
+
+        subprocess.check_call((venv / 'bin' / 'pytest', TESTS), cwd=venv)
+        logging.info(f'{package} passes tests.')
+
+
+def main():
+    description = 'Test Falcon packages (sdist or generic wheel).'
+    parser = argparse.ArgumentParser(description=description)
+    parser.add_argument(
+        'package', metavar='PACKAGE', nargs='+', help='sdist/wheel(s) to test'
+    )
+    args = parser.parse_args()
+
+    for package in args.package:
+        test_package(package)
+
+
+if __name__ == '__main__':
+    main()