[erlang-questions] CT: outputting lager debug messages

[Bjarne Wichmann Bagge Petersen]

I have a little issue where I would like to output lager debug-messages
when running common tests. But I can't get it to work.

In `init_pr_suite` I have

application:load(lager),
application:set_env(lager, handlers, [{lager_console_backend, debug},
{lager_common_test_backend, debug}]),

And in the test-code I have this little snippet:

    ct:log("ENV ~p", [application:get_all_env(lager)]),
    lager:warning("Now you see me"),
    lager:debug("Now you don't"),

Which outputs:

*** User 2017-04-08 07:36:42.089 ***
ENV [{crash_log_count,5},
     {crash_log_date,"$D0"},
     {colored,false},
     {crash_log_msg_size,65536},
     {colors,[{debug,"\e[0;38m"},
              {info,"\e[1;37m"},
              {notice,"\e[1;36m"},
              {warning,"\e[1;33m"},
              {error,"\e[1;31m"},
              {critical,"\e[1;35m"},
              {alert,"\e[1;44m"},
              {emergency,"\e[1;41m"}]},
     {included_applications,[]},
     {async_threshold,20},
     {crash_log_size,10485760},
     {error_logger_whitelist,[cth_readable_failonly]},
     {error_logger_redirect,true},
     {async_threshold_window,5},
     {crash_log,"log/crash.log"},
     {error_logger_hwm,50},
     {handlers,[{lager_console_backend,debug},
                {lager_common_test_backend,debug}]}]

*** User 2017-04-08 07:36:42.090 ***
07:36:42.089 [warning] Now you see me


Missing the debug-line.

So what am I missing? Is `lager_common_test_backend` the wrong flag? Or is
CT muting debug-messages anyway?


Best regards


Bjarne Wichmann Bagge Petersen

Backend Developer, ShopGun


E: bp@REDACTED
L: dk.linkedin.com/in/bjarnewp
W: shopgun.com
A: Arne Jacobsens Allé 16, Field's, 3rd floor, DK-2300 København S, Denmark

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