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%% The contents of this file are subject to the Mozilla Public License
%% Version 1.1 (the "License"); you may not use this file except in
%% compliance with the License. You may obtain a copy of the License
%% at https://www.mozilla.org/MPL/
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and
%% limitations under the License.
%%
%% The Original Code is RabbitMQ.
%%
%% The Initial Developer of the Original Code is GoPivotal, Inc.
%% Copyright (c) 2007-2020 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(worker_pool_SUITE).
-compile(export_all).
-include_lib("common_test/include/ct.hrl").
-define(POOL_SIZE, 1).
-define(POOL_NAME, test_pool).
all() ->
[
run_code_synchronously,
run_code_asynchronously,
set_timeout,
cancel_timeout,
cancel_timeout_by_setting
].
init_per_testcase(_, Config) ->
{ok, Pool} = worker_pool_sup:start_link(?POOL_SIZE, ?POOL_NAME),
rabbit_ct_helpers:set_config(Config, [{pool_sup, Pool}]).
end_per_testcase(_, Config) ->
Pool = ?config(pool_sup, Config),
unlink(Pool),
exit(Pool, kill).
run_code_synchronously(_) ->
Self = self(),
Test = make_ref(),
Sleep = 200,
{Time, Result} = timer:tc(fun() ->
worker_pool:submit(?POOL_NAME,
fun() ->
timer:sleep(Sleep),
Self ! {hi, Test},
self()
end,
reuse)
end),
% Worker run synchronously
true = Time > Sleep,
% Worker have sent message
receive {hi, Test} -> ok
after 0 -> error(no_message_from_worker)
end,
% Worker is a separate process
true = (Self /= Result).
run_code_asynchronously(_) ->
Self = self(),
Test = make_ref(),
Sleep = 200,
{Time, Result} = timer:tc(fun() ->
worker_pool:submit_async(?POOL_NAME,
fun() ->
timer:sleep(Sleep),
Self ! {hi, Test},
self()
end)
end),
% Worker run synchronously
true = Time < Sleep,
% Worker have sent message
receive {hi, Test} -> ok
after Sleep + 100 -> error(no_message_from_worker)
end,
% Worker is a separate process
true = (Self /= Result).
set_timeout(_) ->
Self = self(),
Test = make_ref(),
Worker = worker_pool:submit(?POOL_NAME,
fun() ->
Worker = self(),
timer:sleep(100),
worker_pool_worker:set_timeout(
my_timeout, 1000,
fun() ->
Self ! {hello, self(), Test}
end),
Worker
end,
reuse),
% Timeout will occur after 1000 ms only
receive {hello, Worker, Test} -> exit(timeout_should_wait)
after 0 -> ok
end,
timer:sleep(1000),
receive {hello, Worker, Test} -> ok
after 1000 -> exit(timeout_is_late)
end.
cancel_timeout(_) ->
Self = self(),
Test = make_ref(),
Worker = worker_pool:submit(?POOL_NAME,
fun() ->
Worker = self(),
timer:sleep(100),
worker_pool_worker:set_timeout(
my_timeout, 1000,
fun() ->
Self ! {hello, self(), Test}
end),
Worker
end,
reuse),
% Timeout will occur after 1000 ms only
receive {hello, Worker, Test} -> exit(timeout_should_wait)
after 0 -> ok
end,
worker_pool_worker:next_job_from(Worker, Self),
Worker = worker_pool_worker:submit(Worker,
fun() ->
worker_pool_worker:clear_timeout(my_timeout),
Worker
end,
reuse),
timer:sleep(1000),
receive {hello, Worker, Test} -> exit(timeout_is_not_cancelled)
after 0 -> ok
end.
cancel_timeout_by_setting(_) ->
Self = self(),
Test = make_ref(),
Worker = worker_pool:submit(?POOL_NAME,
fun() ->
Worker = self(),
timer:sleep(100),
worker_pool_worker:set_timeout(
my_timeout, 1000,
fun() ->
Self ! {hello, self(), Test}
end),
Worker
end,
reuse),
% Timeout will occur after 1000 ms only
receive {hello, Worker, Test} -> exit(timeout_should_wait)
after 0 -> ok
end,
worker_pool_worker:next_job_from(Worker, Self),
Worker = worker_pool_worker:submit(Worker,
fun() ->
worker_pool_worker:set_timeout(my_timeout, 1000,
fun() ->
Self ! {hello_reset, self(), Test}
end),
Worker
end,
reuse),
timer:sleep(1000),
receive {hello, Worker, Test} -> exit(timeout_is_not_cancelled)
after 0 -> ok
end,
receive {hello_reset, Worker, Test} -> ok
after 1000 -> exit(timeout_is_late)
end.
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