#!/usr/bin/env python3
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# Test whether a SUBSCRIBE to a topic with an invalid UTF-8 topic fails
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from mosq_test_helper import *
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rc = 1
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mid = 53
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keepalive = 60
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connect_packet = mosq_test.gen_connect("subscribe-invalid-utf8", keepalive=keepalive)
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connack_packet = mosq_test.gen_connack(rc=0)
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subscribe_packet = mosq_test.gen_subscribe(mid, "invalid/utf8", 0)
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b = list(struct.unpack("B"*len(subscribe_packet), subscribe_packet))
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b[13] = 0 # Topic should never have a 0x0000
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subscribe_packet = struct.pack("B"*len(b), *b)
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suback_packet = mosq_test.gen_suback(mid, 0)
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port = mosq_test.get_port()
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
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try:
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time.sleep(0.5)
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sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
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mosq_test.do_send_receive(sock, subscribe_packet, b"", "suback")
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rc = 0
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sock.close()
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finally:
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broker.terminate()
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broker.wait()
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(stdo, stde) = broker.communicate()
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if rc:
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print(stde.decode('utf-8'))
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exit(rc)
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