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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
%% 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) 2011-2014 GoPivotal, Inc. All rights reserved.
%%
-module(supervisor2_tests).
-behaviour(supervisor2).
-export([test_all/0, start_link/0]).
-export([init/1]).
test_all() ->
ok = check_shutdown(stop, 200, 200, 2000),
ok = check_shutdown(ignored, 1, 2, 2000).
check_shutdown(SigStop, Iterations, ChildCount, SupTimeout) ->
{ok, Sup} = supervisor2:start_link(?MODULE, [SupTimeout]),
Res = lists:foldl(
fun (I, ok) ->
TestSupPid = erlang:whereis(?MODULE),
ChildPids =
[begin
{ok, ChildPid} =
supervisor2:start_child(TestSupPid, []),
ChildPid
end || _ <- lists:seq(1, ChildCount)],
MRef = erlang:monitor(process, TestSupPid),
[P ! SigStop || P <- ChildPids],
ok = supervisor2:terminate_child(Sup, test_sup),
{ok, _} = supervisor2:restart_child(Sup, test_sup),
receive
{'DOWN', MRef, process, TestSupPid, shutdown} ->
ok;
{'DOWN', MRef, process, TestSupPid, Reason} ->
{error, {I, Reason}}
end;
(_, R) ->
R
end, ok, lists:seq(1, Iterations)),
unlink(Sup),
exit(Sup, shutdown),
Res.
start_link() ->
Pid = spawn_link(fun () ->
process_flag(trap_exit, true),
receive stop -> ok end
end),
{ok, Pid}.
init([Timeout]) ->
{ok, {{one_for_one, 0, 1},
[{test_sup, {supervisor2, start_link,
[{local, ?MODULE}, ?MODULE, []]},
transient, Timeout, supervisor, [?MODULE]}]}};
init([]) ->
{ok, {{simple_one_for_one, 0, 1},
[{test_worker, {?MODULE, start_link, []},
temporary, 1000, worker, [?MODULE]}]}}.
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