shreemaan-abhishek commented on code in PR #10866: URL: https://github.com/apache/apisix/pull/10866#discussion_r1473807892
########## t/plugin/limit-conn-redis.t: ########## @@ -0,0 +1,745 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (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.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +BEGIN { + if ($ENV{TEST_NGINX_CHECK_LEAK}) { + $SkipReason = "unavailable for the hup tests"; + + } else { + $ENV{TEST_NGINX_USE_HUP} = 1; + undef $ENV{TEST_NGINX_USE_STAP}; + } +} + +use t::APISIX 'no_plan'; + +repeat_each(1); +no_long_string(); +no_shuffle(); +no_root_location(); + + +add_block_preprocessor(sub { + my ($block) = @_; + my $port = $ENV{TEST_NGINX_SERVER_PORT}; + + my $config = $block->config // <<_EOC_; + location /access_root_dir { + content_by_lua_block { + local httpc = require "resty.http" + local hc = httpc:new() + + local res, err = hc:request_uri('http://127.0.0.1:$port/limit_conn') + if res then + ngx.exit(res.status) + end + } + } + + location /test_concurrency { + content_by_lua_block { + local reqs = {} + for i = 1, 10 do + reqs[i] = { "/access_root_dir" } + end + local status_ok_count = 0 + local status_err_count = 0 + local resps = { ngx.location.capture_multi(reqs) } + for i, resp in ipairs(resps) do + if resp.status == 200 then + status_ok_count = status_ok_count + 1 + else + status_err_count = status_err_count + 1 + end + end + ngx.say(status_ok_count) + ngx.say(status_err_count) + } + } +_EOC_ + + $block->set_value("config", $config); +}); + +run_tests; + +__DATA__ + +=== TEST 1: sanity +--- config + location /t { + content_by_lua_block { + local plugin = require("apisix.plugins.limit-conn") + local ok, err = plugin.check_schema({ + conn = 1, + burst = 0, + default_conn_delay = 0.1, + rejected_code = 503, + key = 'remote_addr', + policy = "redis", + redis_host = 'localhost', + }) + if not ok then + ngx.say(err) + end + + ngx.say("done") + } + } +--- request +GET /t +--- response_body +done + + + +=== TEST 2: add plugin +--- config + location /t { + content_by_lua_block { + local t = require("lib.test_admin").test + local code, body = t('/apisix/admin/routes/1', + ngx.HTTP_PUT, + [[{ + "plugins": { + "limit-conn": { + "conn": 100, + "burst": 50, + "default_conn_delay": 0.1, + "rejected_code": 503, + "key": "remote_addr", + "policy": "redis", + "redis_host": "127.0.0.1", + "redis_port": 6379 + } + }, + "upstream": { + "nodes": { + "127.0.0.1:1980": 1 + }, + "type": "roundrobin" + }, + "uri": "/limit_conn" + }]] + ) + + if code >= 300 then + ngx.status = code + end + ngx.say(body) + } + } +--- request +GET /t +--- response_body +passed + + + +=== TEST 3: not exceeding the burst +--- request +GET /test_concurrency +--- timeout: 10s +--- response_body +10 +0 + + + +=== TEST 4: update plugin +--- config + location /t { + content_by_lua_block { + local t = require("lib.test_admin").test + local code, body = t('/apisix/admin/routes/1', + ngx.HTTP_PUT, + [[{ + "plugins": { + "limit-conn": { + "conn": 2, + "burst": 1, + "default_conn_delay": 0.1, + "rejected_code": 503, + "key": "remote_addr", + "policy": "redis", + "redis_host": "127.0.0.1", + "redis_port": 6379 + } + }, + "upstream": { + "nodes": { + "127.0.0.1:1980": 1 + }, + "type": "roundrobin" + }, + "uri": "/limit_conn" + }]] + ) + + if code >= 300 then + ngx.status = code + end + ngx.say(body) + } + } +--- request +GET /t +--- response_body +passed + + + +=== TEST 5: exceeding the burst +--- request +GET /test_concurrency +--- timeout: 10s +--- response_body +3 +7 + + + +=== TEST 6: update plugin +--- config + location /t { + content_by_lua_block { + local t = require("lib.test_admin").test + local code, body = t('/apisix/admin/routes/1', + ngx.HTTP_PUT, + [[{ + "plugins": { + "limit-conn": { + "conn": 5, + "burst": 1, + "default_conn_delay": 0.1, + "rejected_code": 503, + "key": "remote_addr", + "policy": "redis", + "redis_host": "127.0.0.1", + "redis_port": 6379 + } + }, + "upstream": { + "nodes": { + "127.0.0.1:1980": 1 + }, + "type": "roundrobin" + }, + "uri": "/limit_conn" + }]] + ) + + if code >= 300 then + ngx.status = code + end + ngx.say(body) + } + } +--- request +GET /t +--- response_body +passed + + + +=== TEST 7: exceeding the burst +--- request +GET /test_concurrency +--- timeout: 10s +--- response_body +6 +4 + + + +=== TEST 8: update plugin with username, password +--- config + location /t { + content_by_lua_block { + local t = require("lib.test_admin").test + local code, body = t('/apisix/admin/routes/1', + ngx.HTTP_PUT, + [[{ + "plugins": { + "limit-conn": { + "conn": 5, + "burst": 1, + "default_conn_delay": 0.1, + "rejected_code": 503, + "key": "remote_addr", + "policy": "redis", + "redis_host": "127.0.0.1", + "redis_port": 6379, + "redis_username": "alice", + "redis_password": "somepassword" + } + }, + "upstream": { + "nodes": { + "127.0.0.1:1980": 1 + }, + "type": "roundrobin" + }, + "uri": "/limit_conn" + }]] + ) + + if code >= 300 then + ngx.status = code + end + ngx.say(body) + } + } +--- request +GET /t +--- response_body +passed + + + +=== TEST 9: exceeding the burst +--- request +GET /test_concurrency +--- timeout: 10s +--- response_body +6 +4 + + + +=== TEST 10: invalid route: missing key +--- config + location /t { + content_by_lua_block { + local t = require("lib.test_admin").test + local code, body = t('/apisix/admin/routes/1', + ngx.HTTP_PUT, + [[{ + "plugins": { + "limit-conn": { + "burst": 1, + "default_conn_delay": 0.1, + "rejected_code": 503, + "key": "remote_addr", + "conn": 1, + "policy": "redis" + } + }, + "upstream": { + "nodes": { + "127.0.0.1:1980": 1 + }, + "type": "roundrobin" + }, + "uri": "/limit_conn" + }]] + ) + + if code >= 300 then + ngx.status = code + end + ngx.print(body) + } + } +--- request +GET /t +--- error_code: 400 +--- response_body +{"error_msg":"failed to check the configuration of plugin limit-conn err: then clause did not match"} + + + +=== TEST 11: disable plugin +--- config + location /t { + content_by_lua_block { + local t = require("lib.test_admin").test + local code, body = t('/apisix/admin/routes/1', + ngx.HTTP_PUT, + [[{ + "plugins": { + }, + "upstream": { + "nodes": { + "127.0.0.1:1980": 1 + }, + "type": "roundrobin" + }, + "uri": "/limit_conn" + }]] + ) + + if code >= 300 then + ngx.status = code + end + ngx.say(body) + } + } +--- request +GET /t +--- response_body +passed + + + +=== TEST 12: exceeding the burst +--- request +GET /test_concurrency +--- timeout: 10s +--- response_body +10 +0 + + + +=== TEST 13: set route(key: server_addr) +--- config + location /t { + content_by_lua_block { + local t = require("lib.test_admin").test + local code, body = t('/apisix/admin/routes/1', + ngx.HTTP_PUT, + [[{ + "plugins": { + "limit-conn": { + "conn": 100, + "burst": 50, + "default_conn_delay": 0.1, + "rejected_code": 503, + "key": "server_addr" Review Comment: set the policy to "redis" then -- This is an automated message from the Apache Git Service. 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