openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#!/usr/bin/env python3
import subprocess
import time
import unittest
import os
from multiprocessing import Queue
from cereal import messaging
from common.basedir import BASEDIR
from selfdrive.manager.helpers import unblock_stdout
from tools.sim import bridge
from tools.sim.bridge import CarlaBridge
CI = "CI" in os.environ
SIM_DIR = os.path.join(BASEDIR, "tools/sim")
class TestCarlaIntegration(unittest.TestCase):
"""
Tests need Carla simulator to run
"""
processes = None
carla_process = None
def setUp(self):
self.processes = []
if not CI:
# We want to make sure that carla_sim docker isn't still running.
subprocess.run("docker rm -f carla_sim", shell=True, stderr=subprocess.PIPE, check=False)
self.carla_process = subprocess.Popen("./start_carla.sh", cwd=SIM_DIR)
# Too many lagging messages in bridge.py can cause a crash. This prevents it.
unblock_stdout()
# Wait 10 seconds to startup carla
time.sleep(10)
def test_engage(self):
# Startup manager and bridge.py. Check processes are running, then engage and verify.
p_manager = subprocess.Popen("./launch_openpilot.sh", cwd=SIM_DIR)
self.processes.append(p_manager)
sm = messaging.SubMaster(['controlsState', 'carEvents', 'managerState'])
q = Queue()
carla_bridge = CarlaBridge(bridge.parse_args([]))
p_bridge = carla_bridge.run(q, retries=10)
self.processes.append(p_bridge)
max_time_per_step = 60
# Wait for bridge to startup
start_waiting = time.monotonic()
while not carla_bridge.started and time.monotonic() < start_waiting + max_time_per_step:
time.sleep(0.1)
self.assertEqual(p_bridge.exitcode, None, f"Bridge process should be running, but exited with code {p_bridge.exitcode}")
start_time = time.monotonic()
no_car_events_issues_once = False
car_event_issues = []
not_running = []
while time.monotonic() < start_time + max_time_per_step:
sm.update()
not_running = [p.name for p in sm['managerState'].processes if not p.running and p.shouldBeRunning]
car_event_issues = [event.name for event in sm['carEvents'] if any([event.noEntry, event.softDisable, event.immediateDisable])]
if sm.all_alive() and len(car_event_issues) == 0 and len(not_running) == 0:
no_car_events_issues_once = True
break
self.assertTrue(no_car_events_issues_once,
f"Failed because no messages received, or CarEvents '{car_event_issues}' or processes not running '{not_running}'")
start_time = time.monotonic()
min_counts_control_active = 100
control_active = 0
while time.monotonic() < start_time + max_time_per_step:
sm.update()
q.put("cruise_down") # Try engaging
if sm.all_alive() and sm['controlsState'].active:
control_active += 1
if control_active == min_counts_control_active:
break
self.assertEqual(min_counts_control_active, control_active, f"Simulator did not engage a minimal of {min_counts_control_active} steps was {control_active}")
def tearDown(self):
print("Test shutting down. CommIssues are acceptable")
for p in reversed(self.processes):
p.terminate()
for p in reversed(self.processes):
if isinstance(p, subprocess.Popen):
p.wait(15)
else:
p.join(15)
# Stop carla simulator by removing docker container
subprocess.run("docker rm -f carla_sim", shell=True, stderr=subprocess.PIPE, check=False)
if self.carla_process is not None:
self.carla_process.wait()
if __name__ == "__main__":
unittest.main()