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#!/usr/bin/env python3
# Test whether a valid CONNECT results in the correct CONNACK packet.
from mosq_test_helper import *
import importlib
from os import walk
import socket
import json
from collections import deque
import mosq_test
send = 1
recv = 2
disconnected_check = 3
connected_check = 4
publish = 5
class SingleMsg(object):
__slots__ = 'action', 'message', 'comment'
def __init__(self, action, message, comment=''):
self.action = action
self.message = message
self.comment = comment
class MsgSequence(object):
__slots__ = 'name', 'msgs', 'expect_disconnect'
def __init__(self, name, default_connect=True, proto_ver=4, expect_disconnect=True):
self.name = name
self.msgs = deque()
self.expect_disconnect = expect_disconnect
if default_connect:
self.add_default_connect(proto_ver=proto_ver)
def add_default_connect(self, proto_ver):
self.add_send(mosq_test.gen_connect(self.name, keepalive=60, proto_ver=proto_ver))
self.add_recv(mosq_test.gen_connack(rc=0, proto_ver=proto_ver), "default connack")
def add_send(self, message):
self._add(send, message)
def add_recv(self, message, comment):
self._add(recv, message, comment)
def add_publish(self, message, comment):
self._add(publish, message, comment)
def add_connected_check(self):
self._add(connected_check, b"")
def add_disconnected_check(self):
self._add(disconnected_check, b"")
def _add(self, action, message, comment=""):
msg = SingleMsg(action, message, comment)
self.msgs.append(msg)
def _connected_check(self, sock):
try:
mosq_test.do_ping(sock)
except mosq_test.TestError:
raise ValueError("connection failed")
def _send_message(self, sock, msg):
sock.send(msg.message)
def _publish_message(self, msg):
sock = mosq_test.client_connect_only(hostname="localhost", port=1888, timeout=2)
sock.send(mosq_test.gen_connect("helper", keepalive=60))
mosq_test.expect_packet(sock, "connack", mosq_test.gen_connack(rc=0))
m = msg.message
if m['qos'] == 0:
sock.send(mosq_test.gen_publish(topic=m['topic'], payload=m['payload']))
elif m['qos'] == 1:
sock.send(mosq_test.gen_publish(mid=1, qos=1, topic=m['topic'], payload=m['payload']))
mosq_test.expect_packet(sock, "helper puback", mosq_test.gen_puback(mid=1))
elif m['qos'] == 2:
sock.send(mosq_test.gen_publish(mid=1, qos=2, topic=m['topic'], payload=m['payload']))
mosq_test.expect_packet(sock, "helper pubrec", mosq_test.gen_pubrec(mid=1))
sock.send(mosq_test.gen_pubrel(mid=1))
mosq_test.expect_packet(sock, "helper pubcomp", mosq_test.gen_pubcomp(mid=1))
sock.close()
def _recv_message(self, sock, msg):
data = sock.recv(len(msg.message))
if data != msg.message:
raise ValueError("Receive message %s | %s | %s" % (msg.comment, data, msg.message))
def _disconnected_check(self, sock):
try:
data = sock.recv(1)
if len(data) == 1 and self.expect_disconnect:
raise ValueError("Still connected")
except ConnectionResetError:
if self.expect_disconnect:
pass
else:
raise
def _process_message(self, sock, msg):
if msg.action == send:
self._send_message(sock, msg)
elif msg.action == recv:
self._recv_message(sock, msg)
elif msg.action == publish:
self._publish_message(msg)
elif msg.action == disconnected_check:
self._disconnected_check(sock)
elif msg.action == connected_check:
self._connected_check(sock)
def process_next(self, sock):
msg = self.msgs.popleft()
self._process_message(sock, msg)
def process_all(self, sock):
while len(self.msgs):
self.process_next(sock)
if self.expect_disconnect:
self._disconnected_check(sock)
else:
self._connected_check(sock)
def do_test(hostname, port):
rc = 0
sequences = []
for (_, _, filenames) in walk("data"):
sequences.extend(filenames)
break
total = 0
succeeded = 0
test = None
for seq in sorted(sequences):
if seq[-5:] != ".json":
continue
with open("data/"+seq, "r") as f:
test_file = json.load(f)
for g in test_file:
group_name = g["group"]
try:
disabled = g["disable"]
if disabled:
continue
except KeyError:
pass
tests = g["tests"]
for t in tests:
tname = group_name + " " + t["name"]
try:
proto_ver = t["ver"]
except KeyError:
proto_ver = 4
try:
connect = t["connect"]
except KeyError:
connect = True
try:
expect_disconnect = t["expect_disconnect"]
except KeyError:
expect_disconnect = True
this_test = MsgSequence(tname,
proto_ver=proto_ver,
expect_disconnect=expect_disconnect,
default_connect=connect)
for m in t["msgs"]:
try:
c = m["comment"]
except KeyError:
c = ""
if m["type"] == "send":
this_test.add_send(bytes.fromhex(m["payload"].replace(" ", "")))
elif m["type"] == "recv":
this_test.add_recv(bytes.fromhex(m["payload"].replace(" ", "")), c)
elif m["type"] == "publish":
this_test.add_publish(m, c)
total += 1
try:
sock = mosq_test.client_connect_only(hostname=hostname, port=port, timeout=2)
this_test.process_all(sock)
print("\033[32m" + tname + "\033[0m")
succeeded += 1
except ValueError as e:
print("\033[31m" + tname + " failed: " + str(e) + "\033[0m")
rc = 1
except ConnectionResetError as e:
print("\033[31m" + tname + " failed: " + str(e) + "\033[0m")
rc = 1
except socket.timeout as e:
print("\033[31m" + tname + " failed: " + str(e) + "\033[0m")
rc = 1
except mosq_test.TestError as e:
print("\033[31m" + tname + " failed: " + str(e) + "\033[0m")
rc = 1
print("%d tests total\n%d tests succeeded" % (total, succeeded))
return rc
hostname = "localhost"
port = mosq_test.get_port()
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port, nolog=True)
rc = 0
try:
rc = do_test(hostname=hostname, port=port)
finally:
broker.terminate()
broker.wait()
(stdo, stde) = broker.communicate()
if broker.returncode != 0:
rc = broker.returncode
print(f"Broker exited with code {rc}. If there are no obvious errors this may be due to an ASAN build having leaks, which must be fixed.")
print("The easiest way to reproduce this is to run the broker with `mosquitto -p 1888`, rerun the test, then quit the broker.")
if rc:
#print(stde.decode('utf-8'))
exit(rc)
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