#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2018 Matt Martz
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

import subprocess
import sys

cmd = [sys.executable, "speedtest.py", "--source", "127.0.0.1"]

p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

stdout, stderr = p.communicate()

if p.returncode != 1:
    raise SystemExit(f"{' '.join(cmd)} did not fail with exit code 1")

if "Invalid argument".encode() not in stderr:
    raise SystemExit(
        f'"Invalid argument" not found in stderr:\n{stderr.decode()}',
    )