79 lines
3.1 KiB
Erlang
79 lines
3.1 KiB
Erlang
%%--------------------------------------------------------------------
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%% Copyright (c) 2019-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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%%--------------------------------------------------------------------
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-module(emqx_limiter_SUITE).
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-compile(export_all).
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-compile(nowarn_export_all).
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-include_lib("eunit/include/eunit.hrl").
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%%--------------------------------------------------------------------
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%% Setups
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%%--------------------------------------------------------------------
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all() -> emqx_ct:all(?MODULE).
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init_per_testcase(_, Cfg) ->
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_ = esockd_limiter:start_link(),
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Cfg.
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end_per_testcase(_, _) ->
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esockd_limiter:stop().
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%%--------------------------------------------------------------------
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%% Cases
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%%--------------------------------------------------------------------
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t_init(_) ->
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Cap1 = 1000, Intv1 = 10,
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Cap2 = 2000, Intv2 = 15,
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undefined = emqx_limiter:init(external, undefined, undefined, []),
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#{conn_bytes_in := #{capacity := Cap2, interval := Intv2, tokens := Cap2},
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conn_messages_in := #{capacity := Cap1, interval := Intv1, tokens := Cap1 }} =
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emqx_limiter:info(
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emqx_limiter:init(external, {Cap1, Intv1}, {Cap2, Intv2}, [])),
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#{conn_bytes_in := #{capacity := Cap2, interval := Intv2, tokens := Cap2 }} =
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emqx_limiter:info(
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emqx_limiter:init(external, undefined, {Cap1, Intv1}, [{conn_bytes_in, {Cap2, Intv2}}])).
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t_check_conn(_) ->
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Limiter = emqx_limiter:init(external, [{conn_bytes_in, {100, 1}}]),
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{ok, Limiter2} = emqx_limiter:check(#{cnt => 0, oct => 1}, Limiter),
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#{conn_bytes_in := #{tokens := 99}} = emqx_limiter:info(Limiter2),
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{pause, 10, Limiter3} = emqx_limiter:check(#{cnt => 0, oct => 100}, Limiter),
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#{conn_bytes_in := #{tokens := 0}} = emqx_limiter:info(Limiter3),
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{pause, 100000, Limiter4} = emqx_limiter:check(#{cnt => 0, oct => 10000}, Limiter3),
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#{conn_bytes_in := #{tokens := 0}} = emqx_limiter:info(Limiter4).
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t_check_overall(_) ->
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Limiter = emqx_limiter:init(external, [{overall_messages_routing, {100, 1}}]),
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{ok, Limiter2} = emqx_limiter:check(#{cnt => 1, oct => 0}, Limiter),
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#{overall_messages_routing := #{tokens := 99}} = emqx_limiter:info(Limiter2),
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%% XXX: P = 1/r = 1/100 * 1000 = 10ms ?
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{pause, _, Limiter3} = emqx_limiter:check(#{cnt => 100, oct => 0}, Limiter),
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#{overall_messages_routing := #{tokens := 0}} = emqx_limiter:info(Limiter2),
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%% XXX: P = 10000/r = 10000/100 * 1000 = 100s ?
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{pause, _, Limiter4} = emqx_limiter:check(#{cnt => 10000, oct => 0}, Limiter3),
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#{overall_messages_routing := #{tokens := 0}} = emqx_limiter:info(Limiter4).
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