import os
import subprocess
import sys
from pathlib import Path
from unittest import TestCase


class RosInterfacesTest(TestCase):
    def test_fake_driver_on_private_dds_domain(self):
        env={**os.environ,'ROS_DOMAIN_ID':'231','ROS_LOCALHOST_ONLY':'1'}
        result=subprocess.run([sys.executable,str(Path(__file__).with_name('ros_fixture.py'))],env=env,
                              capture_output=True,text=True,timeout=25)
        self.assertEqual(result.returncode,0,result.stdout+'\n'+result.stderr)
        self.assertIn('dynamic camera subscriptions PASS',result.stdout)