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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) 2007-2014 GoPivotal, Inc. All rights reserved.
%%
-module(gm_tests).
-export([test_join_leave/0,
test_broadcast/0,
test_confirmed_broadcast/0,
test_member_death/0,
test_receive_in_order/0,
all_tests/0]).
-export([joined/2, members_changed/3, handle_msg/3, handle_terminate/2]).
-behaviour(gm).
-include("gm_specs.hrl").
-define(RECEIVE_OR_THROW(Body, Bool, Error),
receive Body ->
true = Bool,
passed
after 1000 ->
throw(Error)
end).
joined(Pid, Members) ->
Pid ! {joined, self(), Members},
ok.
members_changed(Pid, Births, Deaths) ->
Pid ! {members_changed, self(), Births, Deaths},
ok.
handle_msg(Pid, From, Msg) ->
Pid ! {msg, self(), From, Msg},
ok.
handle_terminate(Pid, Reason) ->
Pid ! {termination, self(), Reason},
ok.
%% ---------------------------------------------------------------------------
%% Functional tests
%% ---------------------------------------------------------------------------
all_tests() ->
passed = test_join_leave(),
passed = test_broadcast(),
passed = test_confirmed_broadcast(),
passed = test_member_death(),
passed = test_receive_in_order(),
passed.
test_join_leave() ->
with_two_members(fun (_Pid, _Pid2) -> passed end).
test_broadcast() ->
test_broadcast(fun gm:broadcast/2).
test_confirmed_broadcast() ->
test_broadcast(fun gm:confirmed_broadcast/2).
test_member_death() ->
with_two_members(
fun (Pid, Pid2) ->
{ok, Pid3} = gm:start_link(
?MODULE, ?MODULE, self(),
fun rabbit_misc:execute_mnesia_transaction/1),
passed = receive_joined(Pid3, [Pid, Pid2, Pid3],
timeout_joining_gm_group_3),
passed = receive_birth(Pid, Pid3, timeout_waiting_for_birth_3_1),
passed = receive_birth(Pid2, Pid3, timeout_waiting_for_birth_3_2),
unlink(Pid3),
exit(Pid3, kill),
%% Have to do some broadcasts to ensure that all members
%% find out about the death.
passed = (test_broadcast_fun(fun gm:confirmed_broadcast/2))(
Pid, Pid2),
passed = receive_death(Pid, Pid3, timeout_waiting_for_death_3_1),
passed = receive_death(Pid2, Pid3, timeout_waiting_for_death_3_2),
passed
end).
test_receive_in_order() ->
with_two_members(
fun (Pid, Pid2) ->
Numbers = lists:seq(1,1000),
[begin ok = gm:broadcast(Pid, N), ok = gm:broadcast(Pid2, N) end
|| N <- Numbers],
passed = receive_numbers(
Pid, Pid, {timeout_for_msgs, Pid, Pid}, Numbers),
passed = receive_numbers(
Pid, Pid2, {timeout_for_msgs, Pid, Pid2}, Numbers),
passed = receive_numbers(
Pid2, Pid, {timeout_for_msgs, Pid2, Pid}, Numbers),
passed = receive_numbers(
Pid2, Pid2, {timeout_for_msgs, Pid2, Pid2}, Numbers),
passed
end).
test_broadcast(Fun) ->
with_two_members(test_broadcast_fun(Fun)).
test_broadcast_fun(Fun) ->
fun (Pid, Pid2) ->
ok = Fun(Pid, magic_message),
passed = receive_or_throw({msg, Pid, Pid, magic_message},
timeout_waiting_for_msg),
passed = receive_or_throw({msg, Pid2, Pid, magic_message},
timeout_waiting_for_msg)
end.
with_two_members(Fun) ->
ok = gm:create_tables(),
{ok, Pid} = gm:start_link(?MODULE, ?MODULE, self(),
fun rabbit_misc:execute_mnesia_transaction/1),
passed = receive_joined(Pid, [Pid], timeout_joining_gm_group_1),
{ok, Pid2} = gm:start_link(?MODULE, ?MODULE, self(),
fun rabbit_misc:execute_mnesia_transaction/1),
passed = receive_joined(Pid2, [Pid, Pid2], timeout_joining_gm_group_2),
passed = receive_birth(Pid, Pid2, timeout_waiting_for_birth_2),
passed = Fun(Pid, Pid2),
ok = gm:leave(Pid),
passed = receive_death(Pid2, Pid, timeout_waiting_for_death_1),
passed =
receive_termination(Pid, normal, timeout_waiting_for_termination_1),
ok = gm:leave(Pid2),
passed =
receive_termination(Pid2, normal, timeout_waiting_for_termination_2),
receive X -> throw({unexpected_message, X})
after 0 -> passed
end.
receive_or_throw(Pattern, Error) ->
?RECEIVE_OR_THROW(Pattern, true, Error).
receive_birth(From, Born, Error) ->
?RECEIVE_OR_THROW({members_changed, From, Birth, Death},
([Born] == Birth) andalso ([] == Death),
Error).
receive_death(From, Died, Error) ->
?RECEIVE_OR_THROW({members_changed, From, Birth, Death},
([] == Birth) andalso ([Died] == Death),
Error).
receive_joined(From, Members, Error) ->
?RECEIVE_OR_THROW({joined, From, Members1},
lists:usort(Members) == lists:usort(Members1),
Error).
receive_termination(From, Reason, Error) ->
?RECEIVE_OR_THROW({termination, From, Reason1},
Reason == Reason1,
Error).
receive_numbers(_Pid, _Sender, _Error, []) ->
passed;
receive_numbers(Pid, Sender, Error, [N | Numbers]) ->
?RECEIVE_OR_THROW({msg, Pid, Sender, M},
M == N,
Error),
receive_numbers(Pid, Sender, Error, Numbers).
|
