def test(bridge, sock):
    if not mosq_test.expect_packet(bridge, "connect", connect_packet):
        return 1
    bridge.send(connack_packet)

    mid = 0
    patterns = [
        "remote/topic/#",
        "remote2/topic/prefix/#",
        "remote3/topic/+/value",
        "remote4/tipic/+",
        "$SYS/broker/clients/total",
    ]
    for pattern in ("remote/topic/#", "remote2/topic/prefix/#", "remote3/topic/+/value"):
        mid += 1
        subscribe_packet = mosq_test.gen_subscribe(mid, pattern, 0)
        suback_packet = mosq_test.gen_suback(mid, 0)
        if not mosq_test.expect_packet(bridge, "subscribe", subscribe_packet):
            return 1
        bridge.send(suback_packet)

    mid += 1
    subscribe_packet = mosq_test.gen_subscribe(mid, "#", 0)
    suback_packet = mosq_test.gen_suback(mid, 0)
    sock.send(subscribe_packet)
    if not mosq_test.expect_packet(sock, "suback", suback_packet):
        return 1

    cases = [
        ('local/topic/something', 'remote/topic/something'),
        ('local/topic/some/t/h/i/n/g', 'remote/topic/some/t/h/i/n/g'),
        ('local/topic/value', 'remote/topic/value'),
        # Don't work, #40 must be fixed before
        # ('local/topic', 'remote/topic'),
        ('local2/topic/prefix/something', 'remote2/topic/prefix/something'),
        ('local3/topic/something/value', 'remote3/topic/something/value'),
        ('local4/topic/something', 'remote4/tipic/something'),
        ('test/mosquitto/orgclients/total', '$SYS/broker/clients/total'),
    ]

    for (local_topic, remote_topic) in cases:
        mid += 1
        remote_publish_packet = mosq_test.gen_publish(
            remote_topic, qos=0, mid=mid, payload=''
        )
        local_publish_packet = mosq_test.gen_publish(
            local_topic, qos=0, mid=mid, payload=''
        )

        bridge.send(remote_publish_packet)
        match = mosq_test.expect_packet(sock, "publish", local_publish_packet)
        if not match:
            print("Fail on cases local_topic=%r, remote_topic=%r" % (
                local_topic, remote_topic,
            ))
            return 1
    return 0

def pattern_test(sub_topic, pub_topic):
    rc = 1
    keepalive = 60
    connect_packet = mosq_test.gen_connect("pattern-sub-test", keepalive=keepalive)
    connack_packet = mosq_test.gen_connack(rc=0)

    publish_packet = mosq_test.gen_publish(pub_topic, qos=0, payload="message")
    publish_retained_packet = mosq_test.gen_publish(pub_topic, qos=0, retain=True, payload="message")

    mid = 312
    subscribe_packet = mosq_test.gen_subscribe(mid, sub_topic, 0)
    suback_packet = mosq_test.gen_suback(mid, 0)

    mid = 234;
    unsubscribe_packet = mosq_test.gen_unsubscribe(mid, sub_topic)
    unsuback_packet = mosq_test.gen_unsuback(mid)

    broker = subprocess.Popen(['../../src/mosquitto', '-p', '1888'], stderr=subprocess.PIPE)

    try:
        time.sleep(0.5)

        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.connect(("localhost", 1888))
        sock.settimeout(20)
        sock.send(connect_packet)

        if mosq_test.expect_packet(sock, "connack", connack_packet):
            sock.send(subscribe_packet)

            if mosq_test.expect_packet(sock, "suback", suback_packet):
                pub = subprocess.Popen(['./03-pattern-matching-helper.py', pub_topic])
                pub.wait()

                if mosq_test.expect_packet(sock, "publish", publish_packet):
                    sock.send(unsubscribe_packet)

                    if mosq_test.expect_packet(sock, "unsuback", unsuback_packet):
                        sock.send(subscribe_packet)

                        if mosq_test.expect_packet(sock, "suback", suback_packet):
                            if mosq_test.expect_packet(sock, "publish retained", publish_retained_packet):
                                rc = 0

        sock.close()
    finally:
        broker.terminate()
        broker.wait()
        if rc:
            (stdo, stde) = broker.communicate()
            print(stde)

    return rc

def pattern_test(sub_topic, pub_topic):
    rc = 1
    keepalive = 60
    connect_packet = mosq_test.gen_connect("pattern-sub-test", keepalive=keepalive)
    connack_packet = mosq_test.gen_connack(rc=0)

    publish_packet = mosq_test.gen_publish(pub_topic, qos=0, payload="message")
    publish_retained_packet = mosq_test.gen_publish(pub_topic, qos=0, retain=True, payload="message")

    mid = 312
    subscribe_packet = mosq_test.gen_subscribe(mid, sub_topic, 0)
    suback_packet = mosq_test.gen_suback(mid, 0)

    mid = 234;
    unsubscribe_packet = mosq_test.gen_unsubscribe(mid, sub_topic)
    unsuback_packet = mosq_test.gen_unsuback(mid)

    port = mosq_test.get_port()
    broker = subprocess.Popen(['../../src/mosquitto', '-p', str(port)], stdout=subprocess.PIPE, stderr=subprocess.PIPE)

    try:
        time.sleep(0.5)

        sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=20, port=port)
        sock.send(subscribe_packet)

        if mosq_test.expect_packet(sock, "suback", suback_packet):
            pub = subprocess.Popen(['./03-pattern-matching-helper.py', pub_topic, str(port)], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
            pub.wait()
            (stdo, stde) = pub.communicate()

            if mosq_test.expect_packet(sock, "publish", publish_packet):
                sock.send(unsubscribe_packet)

                if mosq_test.expect_packet(sock, "unsuback", unsuback_packet):
                    sock.send(subscribe_packet)

                    if mosq_test.expect_packet(sock, "suback", suback_packet):
                        if mosq_test.expect_packet(sock, "publish retained", publish_retained_packet):
                            rc = 0

        sock.close()
    finally:
        broker.terminate()
        broker.wait()
        (stdo, stde) = broker.communicate()
        if rc:
            print(stde)
            print(stdo)
            raise

    return rc

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
keepalive = 60
connect_packet = mosq_test.gen_connect("bridge-reconnect-test", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

mid = 180
subscribe_packet = mosq_test.gen_subscribe(mid, "bridge/#", 0)
suback_packet = mosq_test.gen_suback(mid, 0)
publish_packet = mosq_test.gen_publish("bridge/reconnect", qos=0, payload="bridge-reconnect-message")

try:
    os.remove('mosquitto.db')
except OSError:
    pass

cmd = ['../../src/mosquitto', '-p', '1888']
broker = mosq_test.start_broker(filename=os.path.basename(__file__), cmd=cmd)

local_cmd = ['../../src/mosquitto', '-c', '06-bridge-reconnect-local-out.conf']
local_broker = mosq_test.start_broker(cmd=local_cmd, filename=os.path.basename(__file__)+'_local1')
if os.environ.get('MOSQ_USE_VALGRIND') is not None:
    time.sleep(5)

env = dict(os.environ)
env['LD_LIBRARY_PATH'] = '../../lib:../../lib/cpp'
try:
    pp = env['PYTHONPATH']
except KeyError:
    pp = ''
env['PYTHONPATH'] = '../../lib/python:'+pp


rc = 1
keepalive = 60
connect_packet = mosq_test.gen_connect("no-psk-test-client", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

mid = 1
subscribe_packet = mosq_test.gen_subscribe(mid, "psk/test", 0)
suback_packet = mosq_test.gen_suback(mid, 0)

publish_packet = mosq_test.gen_publish(topic="psk/test", payload="message", qos=0)

bridge_cmd = ['../../src/mosquitto', '-c', '08-tls-psk-bridge.conf2']
broker = mosq_test.start_broker(filename=os.path.basename(__file__), use_conf=True, port=port1)
bridge = mosq_test.start_broker(filename=os.path.basename(__file__)+'_bridge', cmd=bridge_cmd, port=port3)

pub = None
try:
    sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=30, port=port1)
    sock.send(subscribe_packet)

    if mosq_test.expect_packet(sock, "suback", suback_packet):
        pub = subprocess.Popen(['./c/08-tls-psk-bridge.test', str(port3)], env=env, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import struct
import mosq_test

rc = 1
mid = 53
keepalive = 60
connect_packet = mosq_test.gen_connect("subscribe-invalid-utf8", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

subscribe_packet = mosq_test.gen_subscribe(mid, "invalid/utf8", 0)
b = list(struct.unpack("B"*len(subscribe_packet), subscribe_packet))
b[13] = 0 # Topic should never have a 0x0000
subscribe_packet = struct.pack("B"*len(b), *b)

suback_packet = mosq_test.gen_suback(mid, 0)

port = mosq_test.get_port()
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)

try:
    time.sleep(0.5)

    sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
    sock.send(subscribe_packet)

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
keepalive = 60
client_id = socket.gethostname()+".bridge_sample"
connect_packet = mosq_test.gen_connect(client_id, keepalive=keepalive, clean_session=False, proto_ver=128+3)
connack_packet = mosq_test.gen_connack(rc=0)

mid = 1
subscribe_packet = mosq_test.gen_subscribe(mid, "bridge/#", 2)
suback_packet = mosq_test.gen_suback(mid, 2)

mid = 2
subscribe2_packet = mosq_test.gen_subscribe(mid, "bridge/#", 2)
suback2_packet = mosq_test.gen_suback(mid, 2)

mid = 3
subscribe3_packet = mosq_test.gen_subscribe(mid, "bridge/#", 2)
suback3_packet = mosq_test.gen_suback(mid, 2)

mid = 5
publish_packet = mosq_test.gen_publish("bridge/disconnect/test", qos=2, mid=mid, payload="disconnect-message")
publish_dup_packet = mosq_test.gen_publish("bridge/disconnect/test", qos=2, mid=mid, payload="disconnect-message", dup=True)
pubrec_packet = mosq_test.gen_pubrec(mid)
pubrel_packet = mosq_test.gen_pubrel(mid)

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
mid = 3
keepalive = 60
connect_packet = mosq_test.gen_connect("subscribe-qos2-test", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

subscribe_packet = mosq_test.gen_subscribe(mid, "qos2/test", 2)
suback_packet = mosq_test.gen_suback(mid, 2)

broker = subprocess.Popen(['../../src/mosquitto', '-p', '1888'], stderr=subprocess.PIPE)

try:
    time.sleep(0.5)

    sock = mosq_test.do_client_connect(connect_packet, connack_packet)
    sock.send(subscribe_packet)

    if mosq_test.expect_packet(sock, "suback", suback_packet):
        rc = 0

    sock.close()
finally:

# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
keepalive = 60
connect_packet = mosq_test.gen_connect("retain-clear-test", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

publish_packet = mosq_test.gen_publish("retain/clear/test", qos=0, payload="retained message", retain=True)
retain_clear_packet = mosq_test.gen_publish("retain/clear/test", qos=0, payload=None, retain=True)
mid_sub = 592
subscribe_packet = mosq_test.gen_subscribe(mid_sub, "retain/clear/test", 0)
suback_packet = mosq_test.gen_suback(mid_sub, 0)

mid_unsub = 593
unsubscribe_packet = mosq_test.gen_unsubscribe(mid_unsub, "retain/clear/test")
unsuback_packet = mosq_test.gen_unsuback(mid_unsub)

cmd = ['../../src/mosquitto', '-p', '1888']
broker = mosq_test.start_broker(filename=os.path.basename(__file__), cmd=cmd)

try:
    sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=4)
    # Send retained message
    sock.send(publish_packet)
    # Subscribe to topic, we should get the retained message back.
    sock.send(subscribe_packet)

# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test
import time

rc = 1
keepalive = 60

connect_packet = mosq_test.gen_connect("subpub-qos1-test", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

mid = 1
subscribe_packet = mosq_test.gen_subscribe(mid, "subpub/qos1", 1)
suback_packet = mosq_test.gen_suback(mid, 1)

helper_connect = mosq_test.gen_connect("helper", keepalive=keepalive)
helper_connack = mosq_test.gen_connack(rc=0)

mid = 1
publish1s_packet = mosq_test.gen_publish("subpub/qos1", qos=1, mid=mid, payload="message")
puback1s_packet = mosq_test.gen_puback(mid)

mid = 1
publish1r_packet = mosq_test.gen_publish("subpub/qos1", qos=1, mid=mid, payload="message")
pubrec1r_packet = mosq_test.gen_pubrec(mid)

pingreq_packet = mosq_test.gen_pingreq()
pingresp_packet = mosq_test.gen_pingresp()

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
keepalive = 60
connect_packet = mosq_test.gen_connect("test2", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

mid = 1
subscribe_packet = mosq_test.gen_subscribe(mid, "#", 0)
suback_packet = mosq_test.gen_suback(mid, 0)

publish_packet = mosq_test.gen_publish("mount/test", qos=0, payload="mount point")

broker = mosq_test.start_broker(filename=os.path.basename(__file__))

try:
    sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=20)
    sock.send(subscribe_packet)

    if mosq_test.expect_packet(sock, "suback", suback_packet):
        pub = subprocess.Popen(['./10-listener-mount-point-helper.py'], stdout=subprocess.PIPE)
        pub.wait()
        # Should have now received a publish command

# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
mid = 109
keepalive = 60
connect_packet = mosq_test.gen_connect("clean-qos2-test", keepalive=keepalive, clean_session=False)
connack_packet = mosq_test.gen_connack(rc=0)

disconnect_packet = mosq_test.gen_disconnect()

subscribe_packet = mosq_test.gen_subscribe(mid, "qos1/clean_session/test", 1)
suback_packet = mosq_test.gen_suback(mid, 1)

mid = 1
publish_packet = mosq_test.gen_publish("qos1/clean_session/test", qos=1, mid=mid, payload="clean-session-message")
puback_packet = mosq_test.gen_puback(mid)

cmd = ['../../src/mosquitto', '-p', '1888']
broker = mosq_test.start_broker(filename=os.path.basename(__file__), cmd=cmd)

try:
    sock = mosq_test.do_client_connect(connect_packet, connack_packet)
    sock.send(subscribe_packet)

    if mosq_test.expect_packet(sock, "suback", suback_packet):
        sock.send(disconnect_packet)

if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
keepalive = 60
connect_packet_sub_persistent = mosq_test.gen_connect("flipflop-test", keepalive=keepalive, clean_session=False)
connect_packet_sub_clean = mosq_test.gen_connect("flipflop-test", keepalive=keepalive, clean_session=True)
connack_packet_sub = mosq_test.gen_connack(rc=0)

connect_packet_pub = mosq_test.gen_connect("flipflop-test-pub", keepalive=keepalive)
connack_packet_pub = mosq_test.gen_connack(rc=0)

mid=1
subscribe_packet = mosq_test.gen_subscribe(mid, "flipflop/test", 1)
suback_packet = mosq_test.gen_suback(mid, 1)

mid=1
publish_packet = mosq_test.gen_publish("flipflop/test", qos=1, mid=mid, payload="message")
puback_packet = mosq_test.gen_puback(mid)


port = mosq_test.get_port()
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)

try:
    # mosquitto_sub -i sub -t 'topic' -q 1 -d -c
    sub_sock = mosq_test.do_client_connect(connect_packet_sub_persistent, connack_packet_sub, port=port)
    mosq_test.do_send_receive(sub_sock, subscribe_packet, suback_packet, "subscribe persistent 1")
    # And disconnect

import time
import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
keepalive = 60
connect_packet = mosq_test.gen_connect("subhier-crash", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

mid = 1
subscribe1_packet = mosq_test.gen_subscribe(mid, "topic/a", 0)
suback1_packet = mosq_test.gen_suback(mid, 0)

mid = 2
subscribe2_packet = mosq_test.gen_subscribe(mid, "topic/b", 0)
suback2_packet = mosq_test.gen_suback(mid, 0)

mid = 3
unsubscribe1_packet = mosq_test.gen_unsubscribe(mid, "topic/a")
unsuback1_packet = mosq_test.gen_unsuback(mid)

disconnect_packet = mosq_test.gen_disconnect()


port = mosq_test.get_port()
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
mid = 3265
keepalive = 60
connect_packet = mosq_test.gen_connect("pub-qos2-disco-test", keepalive=keepalive, clean_session=False)
connack_packet = mosq_test.gen_connack(rc=0)

subscribe_packet = mosq_test.gen_subscribe(mid, "qos2/disconnect/test", 2)
suback_packet = mosq_test.gen_suback(mid, 2)

mid = 1
publish_packet = mosq_test.gen_publish("qos2/disconnect/test", qos=2, mid=mid, payload="disconnect-message")
publish_dup_packet = mosq_test.gen_publish("qos2/disconnect/test", qos=2, mid=mid, payload="disconnect-message", dup=True)
pubrec_packet = mosq_test.gen_pubrec(mid)
pubrel_packet = mosq_test.gen_pubrel(mid)
pubrel_dup_packet = mosq_test.gen_pubrel(mid, dup=True)
pubcomp_packet = mosq_test.gen_pubcomp(mid)

mid = 3266
publish2_packet = mosq_test.gen_publish("qos1/outgoing", qos=1, mid=mid, payload="outgoing-message")
puback2_packet = mosq_test.gen_puback(mid)

broker = mosq_test.start_broker(filename=os.path.basename(__file__))

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
mid = 3265
keepalive = 60
connect_packet = mosq_test.gen_connect("pub-qos1-timeout-test", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

subscribe_packet = mosq_test.gen_subscribe(mid, "qos1/timeout/test", 1)
suback_packet = mosq_test.gen_suback(mid, 1)

mid = 1
publish_packet = mosq_test.gen_publish("qos1/timeout/test", qos=1, mid=mid, payload="timeout-message")
publish_dup_packet = mosq_test.gen_publish("qos1/timeout/test", qos=1, mid=mid, payload="timeout-message", dup=True)
puback_packet = mosq_test.gen_puback(mid)

broker = subprocess.Popen(['../../src/mosquitto', '-c', '03-publish-b2c-timeout-qos1.conf'], stderr=subprocess.PIPE)

try:
    time.sleep(0.5)

    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.settimeout(60) # 60 seconds timeout is much longer than 5 seconds message retry.
    sock.connect(("localhost", 1888))

    with open(filename, 'w') as f:
        f.write("port %d\n" % (port))
        f.write("auth_plugin c/auth_plugin.so\n")
        f.write("allow_anonymous false\n")

port = mosq_test.get_port()
conf_file = os.path.basename(__file__).replace('.py', '.conf')
write_config(conf_file, port)

rc = 1
keepalive = 10
connect_packet = mosq_test.gen_connect("connect-uname-pwd-test", keepalive=keepalive, username="readonly")
connack_packet = mosq_test.gen_connack(rc=0)

mid = 53
subscribe_packet = mosq_test.gen_subscribe(mid, "qos0/test", 0)
suback_packet = mosq_test.gen_suback(mid, 0)

mid_fail = 54
subscribe_packet_fail = mosq_test.gen_subscribe(mid_fail, "#", 0)
suback_packet_fail = mosq_test.gen_suback(mid_fail, 0x80)

broker = mosq_test.start_broker(filename=os.path.basename(__file__), use_conf=True, port=port)

try:
    sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=20, port=port)
    sock.send(subscribe_packet)

    if mosq_test.expect_packet(sock, "suback", suback_packet):
        sock.send(subscribe_packet_fail)
        if mosq_test.expect_packet(sock, "suback", suback_packet_fail):

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
keepalive = 60
mid = 16
connect_packet = mosq_test.gen_connect("retain-qos0-rep-test", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

publish_packet = mosq_test.gen_publish("retain/qos0/test", qos=0, payload="retained message", retain=True)
subscribe_packet = mosq_test.gen_subscribe(mid, "retain/qos0/test", 0)
suback_packet = mosq_test.gen_suback(mid, 0)

unsub_mid = 13
unsubscribe_packet = mosq_test.gen_unsubscribe(unsub_mid, "retain/qos0/test/")
unsuback_packet = mosq_test.gen_unsuback(unsub_mid)

broker = subprocess.Popen(['../../src/mosquitto', '-p', '1888'], stderr=subprocess.PIPE)

try:
    time.sleep(0.5)

    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.settimeout(20)
    sock.connect(("localhost", 1888))
    sock.send(connect_packet)

import inspect, os, sys
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

rc = 1
mid = 53
keepalive = 60
connect_packet = mosq_test.gen_connect("will-qos0-test", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

subscribe_packet = mosq_test.gen_subscribe(mid, "will/null/test", 0)
suback_packet = mosq_test.gen_suback(mid, 0)

publish_packet = mosq_test.gen_publish("will/null/test", qos=0)

cmd = ['../../src/mosquitto', '-p', '1888']
broker = mosq_test.start_broker(filename=os.path.basename(__file__), cmd=cmd)

try:
    sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=30)
    sock.send(subscribe_packet)

    if mosq_test.expect_packet(sock, "suback", suback_packet):
        will = subprocess.Popen(['./07-will-null-helper.py'])
        will.wait()