Method _runtest

Lib/test/libregrtest/run_workers.py:356–388

(self, test_name: TestName)

        return (result, stdout)

    def _runtest(self, test_name: TestName) -> MultiprocessResult:
        with contextlib.ExitStack() as stack:
            stdout_file = self.create_stdout(stack)
            json_file, json_tmpfile = self.create_json_file(stack)
            worker_runtests = self.create_worker_runtests(test_name, json_file)

            retcode: str | int | None
            retcode, tmp_files = self.run_tmp_files(worker_runtests,
                                                    stdout_file.fileno())

            stdout = self.read_stdout(stdout_file)

            if retcode is None:
                raise WorkerError(self.test_name, stdout=stdout,
                                  err_msg=None,
                                  state=State.TIMEOUT)
            if retcode != 0:
                name = support.get_signal_name(retcode)
                if name:
                    retcode = f"{retcode} ({name})"
                raise WorkerError(self.test_name, f"Exit code {retcode}", stdout,
                                  state=State.WORKER_FAILED)

            result, stdout = self.read_json(json_file, json_tmpfile, stdout)

        if tmp_files:
            msg = (f'\n\n'
                   f'Warning -- {test_name} leaked temporary files '
                   f'({len(tmp_files)}): {", ".join(sorted(tmp_files))}')
            stdout += msg
            result.set_env_changed()

        return MultiprocessResult(result, stdout)

    def run(self) -> None:
        fail_fast = self.runtests.fail_fast