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% Licensed under the Apache License, Version 2.0 (the "License"); you may not
% use this file except in compliance with the License. You may obtain a copy of
% the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
% License for the specific language governing permissions and limitations under
% the License.
-module(couch_log_monitor_test).
-include_lib("eunit/include/eunit.hrl").
-define(HANDLER, couch_log_error_logger_h).
couch_log_monitor_test_() ->
{setup,
fun couch_log_test_util:start/0,
fun couch_log_test_util:stop/1,
[
fun monitor_ignores_unknown_messages/0,
fun monitor_restarts_handler/0,
fun coverage_test/0
]
}.
monitor_ignores_unknown_messages() ->
Pid1 = get_monitor_pid(),
?assertEqual(ignored, gen_server:call(Pid1, do_foo_please)),
gen_server:cast(Pid1, do_bar_please),
Pid1 ! do_baz_please,
timer:sleep(250),
?assert(is_process_alive(Pid1)).
monitor_restarts_handler() ->
Pid1 = get_monitor_pid(),
error_logger:delete_report_handler(?HANDLER),
timer:sleep(250),
?assert(not is_process_alive(Pid1)),
Pid2 = get_monitor_pid(),
?assert(is_process_alive(Pid2)),
Handlers = gen_event:which_handlers(error_logger),
?assert(lists:member(?HANDLER, Handlers)).
coverage_test() ->
Resp = couch_log_monitor:code_change(foo, bazinga, baz),
?assertEqual({ok, bazinga}, Resp).
get_monitor_pid() ->
Children = supervisor:which_children(couch_log_sup),
[MonPid] = [Pid || {couch_log_monitor, Pid, _, _} <- Children, is_pid(Pid)],
MonPid.
|
