[erlang-bugs] common_test + test_server_io errors

Tim Watson <>
Wed Aug 14 13:12:47 CEST 2013


On 14 August 2013 12:09, Tim Watson <> wrote:

> When I execute a test run with this code in place however, I still get the
> crash, though the io:format/2 notice that I'm starting the ct log appears
> first:
>
> Common Test starting (cwd is
> /home/t4/work/vmware/rabbitmq-public-umbrella/rabbitmq-test/multi-node)
>
> starting ct log!
>
>
> ct_util_server got EXIT from <0.61.0>: {noproc,
>                                         {gen_server,call,
>                                          [test_server_io,
>                                           {print,xxxFrom,unexpected_io,
>                                            [[[["<div
> class=\"default\"><b>*** User 2013-08-14 12:02:36.830 ***</b>"],
>
>                                               "\n",
>
> [91,102,114,97,109,101,119,111,
>                                                114,107,93,32,119,97,116,99,
>
> 104,100,111,103,58,32,110,111,
>
> 32,112,114,111,99,115,32,116,
>
> 111,32,107,105,108,108,"\n"]],
>                                              "\n","</div>"]]},
>                                           infinity]}}
>
>
> So it appears that the assertion that logging will work between the hook's
> init and terminate callbacks isn't quite working.
>
>
Oh and I've tried pausing between the systest_ct_log:start/0 call and the
(latter) systest:reset/0 call that triggers the logging, but that didn't
make any difference either - e.g., like so:

init(systest, Opts) ->
    case application:start(systest, permanent) of
        {error, {already_started, systest}} -> io:format("starting ct
log!~n"),
                                               systest_ct_log:start(),
                                               receive
                                                   foobar -> ok
                                               after 2000 -> ok
                                               end,
                                               systest:reset();
        {error, _Reason}=Err                -> Err;
        ok                                  -> ok
    end,
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