Make failing test not hang #4622
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verify that multicast is working on the system before running tests that relies on this, or skipping those test otherwise. In some circumstances this check itself hangs due to the recvfrom() call being blocking waiting for data. The test is eventually killed with a SIGALARM signal. ./config/test-driver: line 112: 1227308 Alarm clock "$@" >> "$log_file" 2>&1 FAIL: tests/test_radio_dish FAIL: tests/test_radio_dish =========================== FAIL tests/test_radio_dish (exit status: 142) $ tests/test_radio_dish tests/test_radio_dish.cpp:511:test_leave_unjoined_fails:PASS tests/test_radio_dish.cpp:512:test_join_too_long_fails:PASS tests/test_radio_dish.cpp:513:test_long_group:PASS tests/test_radio_dish.cpp:514:test_join_twice_fails:PASS tests/test_radio_dish.cpp:515:test_radio_bind_fails_ipv4:PASS tests/test_radio_dish.cpp:516:test_radio_bind_fails_ipv6:PASS tests/test_radio_dish.cpp:517:test_dish_connect_fails_ipv4:PASS tests/test_radio_dish.cpp:518:test_dish_connect_fails_ipv6:PASS tests/test_radio_dish.cpp:519:test_radio_dish_tcp_poll_ipv4:PASS tests/test_radio_dish.cpp:520:test_radio_dish_tcp_poll_ipv6:PASS tests/test_radio_dish.cpp:521:test_radio_dish_udp_ipv4:PASS tests/test_radio_dish.cpp:522:test_radio_dish_udp_ipv6:PASS Alarm clock With this commit, making the recvfrom() call non-blocking. The test does noy hang, and the non-available multicast is detected and the tests needing it are skipped: PASS: tests/test_radio_dish $ tests/test_radio_dish tests/test_radio_dish.cpp:510:test_leave_unjoined_fails:PASS tests/test_radio_dish.cpp:511:test_join_too_long_fails:PASS tests/test_radio_dish.cpp:512:test_long_group:PASS tests/test_radio_dish.cpp:513:test_join_twice_fails:PASS tests/test_radio_dish.cpp:514:test_radio_bind_fails_ipv4:PASS tests/test_radio_dish.cpp:515:test_radio_bind_fails_ipv6:PASS tests/test_radio_dish.cpp:516:test_dish_connect_fails_ipv4:PASS tests/test_radio_dish.cpp:517:test_dish_connect_fails_ipv6:PASS tests/test_radio_dish.cpp:518:test_radio_dish_tcp_poll_ipv4:PASS tests/test_radio_dish.cpp:519:test_radio_dish_tcp_poll_ipv6:PASS tests/test_radio_dish.cpp:520:test_radio_dish_udp_ipv4:PASS tests/test_radio_dish.cpp:521:test_radio_dish_udp_ipv6:PASS tests/test_radio_dish.cpp:431:test_radio_dish_mcast_ipv4:IGNORE: No multicast available tests/test_radio_dish.cpp:431:test_radio_dish_no_loop_ipv4:IGNORE: No multicast available tests/test_radio_dish.cpp:431:test_radio_dish_mcast_ipv6:IGNORE: No multicast available tests/test_radio_dish.cpp:431:test_radio_dish_no_loop_ipv6:IGNORE: No multicast available ----------------------- 16 Tests 0 Failures 4 Ignored OK
axelriet
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Nov 10, 2023
axelriet
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Nov 10, 2023
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The tests/test_radio_dish test implements is_multicast_available() to verify that multicast is working on the system before running tests that relies on this, or skipping those test otherwise.
In some circumstances this check itself hangs due to the recvfrom() call being blocking waiting for data. The test is eventually killed with a SIGALARM signal.
./config/test-driver: line 112: 1227308 Alarm clock "$@" >> "$log_file" 2>&1
FAIL: tests/test_radio_dish
FAIL tests/test_radio_dish (exit status: 142)
$ tests/test_radio_dish
tests/test_radio_dish.cpp:511:test_leave_unjoined_fails:PASS
tests/test_radio_dish.cpp:512:test_join_too_long_fails:PASS
tests/test_radio_dish.cpp:513:test_long_group:PASS
tests/test_radio_dish.cpp:514:test_join_twice_fails:PASS
tests/test_radio_dish.cpp:515:test_radio_bind_fails_ipv4:PASS
tests/test_radio_dish.cpp:516:test_radio_bind_fails_ipv6:PASS
tests/test_radio_dish.cpp:517:test_dish_connect_fails_ipv4:PASS
tests/test_radio_dish.cpp:518:test_dish_connect_fails_ipv6:PASS
tests/test_radio_dish.cpp:519:test_radio_dish_tcp_poll_ipv4:PASS
tests/test_radio_dish.cpp:520:test_radio_dish_tcp_poll_ipv6:PASS
tests/test_radio_dish.cpp:521:test_radio_dish_udp_ipv4:PASS
tests/test_radio_dish.cpp:522:test_radio_dish_udp_ipv6:PASS
Alarm clock
With this commit, making the recvfrom() call non-blocking. The test does noy hang, and the non-available multicast is detected and the tests needing it are skipped:
PASS: tests/test_radio_dish
$ tests/test_radio_dish
tests/test_radio_dish.cpp:510:test_leave_unjoined_fails:PASS
tests/test_radio_dish.cpp:511:test_join_too_long_fails:PASS
tests/test_radio_dish.cpp:512:test_long_group:PASS
tests/test_radio_dish.cpp:513:test_join_twice_fails:PASS
tests/test_radio_dish.cpp:514:test_radio_bind_fails_ipv4:PASS
tests/test_radio_dish.cpp:515:test_radio_bind_fails_ipv6:PASS
tests/test_radio_dish.cpp:516:test_dish_connect_fails_ipv4:PASS
tests/test_radio_dish.cpp:517:test_dish_connect_fails_ipv6:PASS
tests/test_radio_dish.cpp:518:test_radio_dish_tcp_poll_ipv4:PASS
tests/test_radio_dish.cpp:519:test_radio_dish_tcp_poll_ipv6:PASS
tests/test_radio_dish.cpp:520:test_radio_dish_udp_ipv4:PASS
tests/test_radio_dish.cpp:521:test_radio_dish_udp_ipv6:PASS
tests/test_radio_dish.cpp:431:test_radio_dish_mcast_ipv4:IGNORE: No multicast available
tests/test_radio_dish.cpp:431:test_radio_dish_no_loop_ipv4:IGNORE: No multicast available
tests/test_radio_dish.cpp:431:test_radio_dish_mcast_ipv6:IGNORE: No multicast available
tests/test_radio_dish.cpp:431:test_radio_dish_no_loop_ipv6:IGNORE: No multicast available
16 Tests 0 Failures 4 Ignored
OK