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Diffstat (limited to 'lib/sasl/test/overload_SUITE.erl')
| -rw-r--r-- | lib/sasl/test/overload_SUITE.erl | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/lib/sasl/test/overload_SUITE.erl b/lib/sasl/test/overload_SUITE.erl deleted file mode 100644 index 02d1056698..0000000000 --- a/lib/sasl/test/overload_SUITE.erl +++ /dev/null @@ -1,168 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2011. All Rights Reserved. -%% -%% 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. -%% -%% %CopyrightEnd% -%% - --module(overload_SUITE). --include_lib("common_test/include/ct.hrl"). - --compile(export_all). - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -all() -> [info, set_config_data, set_env_vars, request, timeout]. - -init_per_testcase(_Case,Config) -> - restart_sasl(), - Config. - -end_per_testcase(Case,Config) -> - try apply(?MODULE,Case,[cleanup,Config]) - catch error:undef -> ok - end, - ok. - -%%%----------------------------------------------------------------- -info(_Config) -> - Info = overload:get_overload_info(), - [{total_intensity,0.0}, - {accept_intensity,0.0}, - {max_intensity,0.8}, - {weight,0.1}, - {total_requests,0}, - {accepted_requests,0}] = Info. - -%%%----------------------------------------------------------------- -set_config_data(_Config) -> - InfoDefault = overload:get_overload_info(), - ok = check_info(0.8,0.1,InfoDefault), - ok = overload:set_config_data(0.5,0.4), - Info1 = overload:get_overload_info(), - ok = check_info(0.5,0.4,Info1), - ok. - -%%%----------------------------------------------------------------- -set_env_vars(_Config) -> - InfoDefault = overload:get_overload_info(), - ok = check_info(0.8,0.1,InfoDefault), - ok = application:set_env(sasl,overload_max_intensity,0.5), - ok = application:set_env(sasl,overload_weight,0.4), - ok = application:stop(sasl), - ok = application:start(sasl), - Info1 = overload:get_overload_info(), - ok = check_info(0.5,0.4,Info1), - ok. -set_env_vars(cleanup,_Config) -> - application:unset_env(sasl,overload_max_intensity), - application:unset_env(sasl,overload_weight), - ok. - -%%%----------------------------------------------------------------- -request(_Config) -> - %% Find number of request that can be done with default settings - %% and no delay - overload:set_config_data(0.8, 0.1), - NDefault = do_many_requests(0), - restart_sasl(), - ?t:format("NDefault: ~p",[NDefault]), - - %% Check that the number of requests increases when max_intensity - %% increases - overload:set_config_data(2, 0.1), - NLargeMI = do_many_requests(0), - restart_sasl(), - ?t:format("NLargeMI: ~p",[NLargeMI]), - true = NLargeMI > NDefault, - - %% Check that the number of requests decreases when weight - %% increases - overload:set_config_data(0.8, 1), - NLargeWeight = do_many_requests(0), - restart_sasl(), - ?t:format("NLargeWeight: ~p",[NLargeWeight]), - true = NLargeWeight < NDefault, - - %% Check that number of requests increases when delay between - %% requests increases. - %% (Keeping same config and comparing to large weight in order to - %% minimize the time needed for this case.) - overload:set_config_data(0.8, 1), - NLargeTime = do_many_requests(500), - restart_sasl(), - ?t:format("NLargeTime: ~p",[NLargeTime]), - true = NLargeTime > NLargeWeight, - ok. - -%%%----------------------------------------------------------------- -timeout(_Config) -> - overload:set_config_data(0.8, 1), - _N = do_many_requests(0), - - %% Check that the overload alarm is raised - [{overload,_}] = alarm_handler:get_alarms(), - - %% Fake a clear timeout in overload.erl and check that, since it - %% came very soon after the overload situation, the alarm is not - %% cleared - overload ! timeout, - timer:sleep(1000), - [{overload,_}] = alarm_handler:get_alarms(), - - %% A bit later, try again and check that this time the alarm is - %% cleared - overload ! timeout, - timer:sleep(1000), - [] = alarm_handler:get_alarms(), - - ok. - - -%%%----------------------------------------------------------------- -%%% INTERNAL FUNCTIONS - -%%%----------------------------------------------------------------- -%%% Call overload:request/0 up to 30 times with the given time delay -%%% between. Stop when 'reject' is returned. -do_many_requests(T) -> - 30 - do_requests(30,T). - -do_requests(0,_) -> - ?t:fail(never_rejected); -do_requests(N,T) -> - case overload:request() of - accept -> - timer:sleep(T), - do_requests(N-1,T); - reject -> - N - end. - -%%%----------------------------------------------------------------- -%%% Restart the sasl application -restart_sasl() -> - application:stop(sasl), - application:start(sasl), - ok. - -%%%----------------------------------------------------------------- -%%% Check that max_intensity and weight is set as expected -check_info(MI,W,Info) -> - case {lists:keyfind(max_intensity,1,Info), lists:keyfind(weight,1,Info)} of - {{_,MI},{_,W}} -> ok; - _ -> ?t:fail({unexpected_info,MI,W,Info}) - end. |