aboutsummaryrefslogtreecommitdiffstats
path: root/lib/sasl/test/overload_SUITE.erl
diff options
context:
space:
mode:
authorSiri Hansen <[email protected]>2016-02-19 12:00:47 +0100
committerSiri Hansen <[email protected]>2016-02-19 12:05:18 +0100
commitc56cdb91d057cdb40bb79d4f49e88966c0244017 (patch)
tree3a4976ce883b357da73f7b658bbf031280c17479 /lib/sasl/test/overload_SUITE.erl
parent33f8fe899ec052ab0a33566f7e9e92fadf3f0a68 (diff)
downloadotp-c56cdb91d057cdb40bb79d4f49e88966c0244017.tar.gz
otp-c56cdb91d057cdb40bb79d4f49e88966c0244017.tar.bz2
otp-c56cdb91d057cdb40bb79d4f49e88966c0244017.zip
Remove module 'overload' from SASL
The reason is that the module is not used, and that we se no obvious use case for it.
Diffstat (limited to 'lib/sasl/test/overload_SUITE.erl')
-rw-r--r--lib/sasl/test/overload_SUITE.erl168
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.