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%% This Source Code Form is subject to the terms of the Mozilla Public
%% License, v. 2.0. If a copy of the MPL was not distributed with this
%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
%%
%% Copyright (c) 2007-2020 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(rabbit_hash_exchange_SUITE).
-compile(export_all).
-include_lib("common_test/include/ct.hrl").
-include_lib("amqp_client/include/amqp_client.hrl").
-include_lib("eunit/include/eunit.hrl").
all() ->
[
{group, non_parallel_tests}
].
groups() ->
[
{non_parallel_tests, [], [
routed_to_zero_queue_test,
routed_to_one_queue_test,
routed_to_many_queue_test
]}
].
%% -------------------------------------------------------------------
%% Test suite setup/teardown
%% -------------------------------------------------------------------
init_per_suite(Config) ->
rabbit_ct_helpers:log_environment(),
Config1 = rabbit_ct_helpers:set_config(Config, [
{rmq_nodename_suffix, ?MODULE}
]),
rabbit_ct_helpers:run_setup_steps(Config1,
rabbit_ct_broker_helpers:setup_steps() ++
rabbit_ct_client_helpers:setup_steps()).
end_per_suite(Config) ->
rabbit_ct_helpers:run_teardown_steps(Config,
rabbit_ct_client_helpers:teardown_steps() ++
rabbit_ct_broker_helpers:teardown_steps()).
init_per_group(_, Config) ->
Config.
end_per_group(_, Config) ->
Config.
init_per_testcase(Testcase, Config) ->
TestCaseName = rabbit_ct_helpers:config_to_testcase_name(Config, Testcase),
Config1 = rabbit_ct_helpers:set_config(Config, {test_resource_name,
re:replace(TestCaseName, "/", "-", [global, {return, list}])}),
rabbit_ct_helpers:testcase_started(Config1, Testcase).
end_per_testcase(Testcase, Config) ->
rabbit_ct_helpers:testcase_finished(Config, Testcase).
%% -------------------------------------------------------------------
%% Test cases
%% -------------------------------------------------------------------
routed_to_zero_queue_test(Config) ->
test0(Config, fun () ->
#'basic.publish'{exchange = make_exchange_name(Config, "0"), routing_key = rnd()}
end,
fun() ->
#amqp_msg{props = #'P_basic'{}, payload = <<>>}
end, [], 5, 0),
passed.
routed_to_one_queue_test(Config) ->
test0(Config, fun () ->
#'basic.publish'{exchange = make_exchange_name(Config, "0"), routing_key = rnd()}
end,
fun() ->
#amqp_msg{props = #'P_basic'{}, payload = <<>>}
end, [<<"q1">>, <<"q2">>, <<"q3">>], 1, 1),
passed.
routed_to_many_queue_test(Config) ->
test0(Config, fun () ->
#'basic.publish'{exchange = make_exchange_name(Config, "0"), routing_key = rnd()}
end,
fun() ->
#amqp_msg{props = #'P_basic'{}, payload = <<>>}
end, [<<"q1">>, <<"q2">>, <<"q3">>], 5, 5),
passed.
test0(Config, MakeMethod, MakeMsg, Queues, MsgCount, Count) ->
{Conn, Chan} = rabbit_ct_client_helpers:open_connection_and_channel(Config, 0),
E = make_exchange_name(Config, "0"),
#'exchange.declare_ok'{} =
amqp_channel:call(Chan,
#'exchange.declare' {
exchange = E,
type = <<"x-modulus-hash">>,
auto_delete = true
}),
[#'queue.declare_ok'{} =
amqp_channel:call(Chan, #'queue.declare' {
queue = Q, exclusive = true }) || Q <- Queues],
[#'queue.bind_ok'{} =
amqp_channel:call(Chan, #'queue.bind'{queue = Q,
exchange = E,
routing_key = <<"">>})
|| Q <- Queues],
amqp_channel:call(Chan, #'confirm.select'{}),
[amqp_channel:call(Chan,
MakeMethod(),
MakeMsg()) || _ <- lists:duplicate(MsgCount, const)],
% ensure that the messages have been delivered to the queues before asking
% for the message count
amqp_channel:wait_for_confirms_or_die(Chan),
Counts =
[begin
#'queue.declare_ok'{message_count = M} =
amqp_channel:call(Chan, #'queue.declare' {queue = Q,
exclusive = true }),
M
end || Q <- Queues],
?assertEqual(Count, lists:sum(Counts)),
amqp_channel:call(Chan, #'exchange.delete' { exchange = E }),
[amqp_channel:call(Chan, #'queue.delete' { queue = Q }) || Q <- Queues],
rabbit_ct_client_helpers:close_connection_and_channel(Conn, Chan),
ok.
rnd() ->
list_to_binary(integer_to_list(rand:uniform(1000000))).
make_exchange_name(Config, Suffix) ->
B = rabbit_ct_helpers:get_config(Config, test_resource_name),
erlang:list_to_binary("x-" ++ B ++ "-" ++ Suffix).
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