panda/tests/automated/helpers.py

263 lines
7.9 KiB
Python

import os
import sys
import time
import random
import binascii
import subprocess
import requests
import _thread
from functools import wraps
from panda import Panda
from nose.tools import timed, assert_equal, assert_less, assert_greater
from parameterized import parameterized, param
SPEED_NORMAL = 500
SPEED_GMLAN = 33.3
test_all_types = parameterized([
param(panda_type=Panda.HW_TYPE_WHITE_PANDA),
param(panda_type=Panda.HW_TYPE_GREY_PANDA),
param(panda_type=Panda.HW_TYPE_BLACK_PANDA)
])
test_all_pandas = parameterized(
Panda.list()
)
test_white_and_grey = parameterized([
param(panda_type=Panda.HW_TYPE_WHITE_PANDA),
param(panda_type=Panda.HW_TYPE_GREY_PANDA)
])
test_white = parameterized([
param(panda_type=Panda.HW_TYPE_WHITE_PANDA)
])
test_grey = parameterized([
param(panda_type=Panda.HW_TYPE_GREY_PANDA)
])
test_two_panda = parameterized([
param(panda_type=[Panda.HW_TYPE_GREY_PANDA, Panda.HW_TYPE_WHITE_PANDA]),
param(panda_type=[Panda.HW_TYPE_WHITE_PANDA, Panda.HW_TYPE_GREY_PANDA]),
param(panda_type=[Panda.HW_TYPE_BLACK_PANDA, Panda.HW_TYPE_BLACK_PANDA])
])
test_two_black_panda = parameterized([
param(panda_type=[Panda.HW_TYPE_BLACK_PANDA, Panda.HW_TYPE_BLACK_PANDA])
])
def connect_wifi(serial=None):
p = Panda(serial=serial)
p.set_esp_power(True)
dongle_id, pw = p.get_serial()
assert(dongle_id.isalnum())
_connect_wifi(dongle_id, pw)
FNULL = open(os.devnull, 'w')
def _connect_wifi(dongle_id, pw, insecure_okay=False):
ssid = "panda-" + dongle_id
r = subprocess.call(["ping", "-W", "4", "-c", "1", "192.168.0.10"], stdout=FNULL, stderr=subprocess.STDOUT)
if not r:
#Can already ping, try connecting on wifi
try:
p = Panda("WIFI")
p.get_serial()
print("Already connected")
return
except:
pass
print("WIFI: connecting to %s" % ssid)
while 1:
if sys.platform == "darwin":
os.system("networksetup -setairportnetwork en0 %s %s" % (ssid, pw))
else:
wlan_interface = subprocess.check_output(["sh", "-c", "iw dev | awk '/Interface/ {print $2}'"]).strip().decode('utf8')
cnt = 0
MAX_TRIES = 10
while cnt < MAX_TRIES:
print("WIFI: scanning %d" % cnt)
os.system("iwlist %s scanning > /dev/null" % wlan_interface)
os.system("nmcli device wifi rescan")
wifi_networks = [x.decode("utf8") for x in subprocess.check_output(["nmcli","dev", "wifi", "list"]).split(b"\n")]
wifi_scan = [x for x in wifi_networks if ssid in x]
if len(wifi_scan) != 0:
break
time.sleep(0.1)
# MAX_TRIES tries, ~10 seconds max
cnt += 1
assert cnt < MAX_TRIES
if "-pair" in wifi_scan[0]:
os.system("nmcli d wifi connect %s-pair" % (ssid))
connect_cnt = 0
MAX_TRIES = 100
while connect_cnt < MAX_TRIES:
connect_cnt += 1
r = subprocess.call(["ping", "-W", "4", "-c", "1", "192.168.0.10"], stdout=FNULL, stderr=subprocess.STDOUT)
if r:
print("Waiting for panda to ping...")
time.sleep(0.5)
else:
break
if insecure_okay:
break
# fetch webpage
print("connecting to insecure network to secure")
try:
r = requests.get("http://192.168.0.10/")
except requests.ConnectionError:
r = requests.get("http://192.168.0.10/")
assert r.status_code==200
print("securing")
try:
r = requests.get("http://192.168.0.10/secure", timeout=0.01)
except requests.exceptions.Timeout:
print("timeout http request to secure")
pass
else:
ret = os.system("nmcli d wifi connect %s password %s" % (ssid, pw))
if os.WEXITSTATUS(ret) == 0:
#check ping too
ping_ok = False
connect_cnt = 0
MAX_TRIES = 10
while connect_cnt < MAX_TRIES:
connect_cnt += 1
r = subprocess.call(["ping", "-W", "4", "-c", "1", "192.168.0.10"], stdout=FNULL, stderr=subprocess.STDOUT)
if r:
print("Waiting for panda to ping...")
time.sleep(0.1)
else:
ping_ok = True
break
if ping_ok:
break
# TODO: confirm that it's connected to the right panda
def time_many_sends(p, bus, precv=None, msg_count=100, msg_id=None, two_pandas=False):
if precv == None:
precv = p
if msg_id == None:
msg_id = random.randint(0x100, 0x200)
if p == precv and two_pandas:
raise ValueError("Cannot have two pandas that are the same panda")
st = time.time()
p.can_send_many([(msg_id, 0, b"\xaa"*8, bus)]*msg_count)
r = []
r_echo = []
r_len_expected = msg_count if two_pandas else msg_count*2
r_echo_len_exected = msg_count if two_pandas else 0
while len(r) < r_len_expected and (time.time() - st) < 5:
r.extend(precv.can_recv())
et = time.time()
if two_pandas:
while len(r_echo) < r_echo_len_exected and (time.time() - st) < 10:
r_echo.extend(p.can_recv())
sent_echo = [x for x in r if x[3] == 0x80 | bus and x[0] == msg_id]
sent_echo.extend([x for x in r_echo if x[3] == 0x80 | bus and x[0] == msg_id])
resp = [x for x in r if x[3] == bus and x[0] == msg_id]
leftovers = [x for x in r if (x[3] != 0x80 | bus and x[3] != bus) or x[0] != msg_id]
assert_equal(len(leftovers), 0)
assert_equal(len(resp), msg_count)
assert_equal(len(sent_echo), msg_count)
et = (et-st)*1000.0
comp_kbps = (1+11+1+1+1+4+8*8+15+1+1+1+7)*msg_count / et
return comp_kbps
_panda_serials = None
def panda_type_to_serial(fn):
@wraps(fn)
def wrapper(panda_type=None, **kwargs):
# Change panda_types to a list
if panda_type is not None:
if not isinstance(panda_type, list):
panda_type = [panda_type]
# If not done already, get panda serials and their type
global _panda_serials
if _panda_serials == None:
_panda_serials = []
for serial in Panda.list():
p = Panda(serial=serial)
_panda_serials.append((serial, p.get_type()))
p.close()
# Find a panda with the correct types and add the corresponding serial
serials = []
for p_type in panda_type:
found = False
for serial, pt in _panda_serials:
# Never take the same panda twice
if (pt == p_type) and (serial not in serials):
serials.append(serial)
found = True
break
if not found:
raise IOError("No unused panda found for type: {}".format(p_type))
return fn(serials, **kwargs)
return wrapper
def heartbeat_thread(p):
while True:
try:
p.send_heartbeat()
time.sleep(1)
except:
break
def panda_connect_and_init(fn):
@wraps(fn)
def wrapper(panda_serials=None, **kwargs):
# Change panda_serials to a list
if panda_serials is not None:
if not isinstance(panda_serials, list):
panda_serials = [panda_serials]
# Connect to pandas
pandas = []
for panda_serial in panda_serials:
pandas.append(Panda(serial=panda_serial))
# Initialize pandas
for panda in pandas:
panda.set_can_loopback(False)
panda.set_gmlan(None)
panda.set_esp_power(False)
for bus, speed in [(0, SPEED_NORMAL), (1, SPEED_NORMAL), (2, SPEED_NORMAL), (3, SPEED_GMLAN)]:
panda.set_can_speed_kbps(bus, speed)
clear_can_buffers(panda)
_thread.start_new_thread(heartbeat_thread, (panda,))
# Run test function
ret = fn(*pandas, **kwargs)
# Close all connections
for panda in pandas:
panda.close()
# Return test function result
return ret
return wrapper
def clear_can_buffers(panda):
# clear tx buffers
for i in range(4):
panda.can_clear(i)
# clear rx buffers
panda.can_clear(0xFFFF)
r = [1]
st = time.time()
while len(r) > 0:
r = panda.can_recv()
time.sleep(0.05)
if (time.time() - st) > 10:
print("Unable to clear can buffers for panda ", panda.get_serial())
assert False