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123456789101112131415161718192021222324252627282930313233343536373839"""Load unittest files without letting an empty selection report success."""
import importlib.utilfrom pathlib import Pathimport sysimport unittest
def suite_for(path, test_name=None): path = Path(path).resolve() sys.path.insert(0, str(path.parent)) spec = importlib.util.spec_from_file_location(path.stem, path) assert spec is not None and spec.loader is not None module = importlib.util.module_from_spec(spec) sys.modules[path.stem] = module spec.loader.exec_module(module) loader = unittest.TestLoader() suite = ( loader.loadTestsFromName(test_name, module) if test_name else loader.loadTestsFromModule(module) ) if suite.countTestCases() == 0: raise ValueError(f"no tests collected from {path}") return suite
def main(): try: suite = suite_for(sys.argv[1]) except ValueError as error: print(error, file=sys.stderr) return 1 return 0 if unittest.TextTestRunner(verbosity=2).run(suite).wasSuccessful() else 1
if __name__ == "__main__": sys.exit(main())