Merge pull request #1048 from rabbitmq/rabbitmq-auth-backend-ldap-7

Timeouts for worker pool

1 files changed, 193 insertions, 0 deletions

diff --git a/test/worker_pool_SUITE.erl b/test/worker_pool_SUITE.erl
new file mode 100644
index 0000000000..7eb4d6fd04
--- /dev/null
+++ b/test/worker_pool_SUITE.erl
@@ -0,0 +1,193 @@
+%% 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 http://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) 2007-2016 Pivotal Software, Inc.  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(Config) ->
+    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(Config) ->
+    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(Config) ->
+    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(Config) ->
+    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_canceleld)
+    after 0 -> ok
+    end.
+
+cancel_timeout_by_setting(Config) ->
+    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_canceleld)
+    after 0 -> ok
+    end,
+
+    receive {hello_reset, Worker, Test} -> ok
+    after 1000 -> exit(timeout_is_late)
+    end.
+
+
+
+
+