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 // ""; $config .= <<_EOC_; location /access_root_dir { content_by_lua_block { local httpc = require "resty.http" local hc = httpc:new() local res, err = hc:request_uri('http://127.0.0.1:$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 resps = { ngx.location.capture_multi(reqs) } for i, resp in ipairs(resps) do ngx.say(resp.status) end } } _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'}) if not ok then ngx.say(err) end ngx.say("done") } } --- request GET /t --- response_body done --- no_error_log [error] === TEST 2: wrong value of key --- config location /t { content_by_lua_block { local plugin = require("apisix.plugins.limit-conn") local ok, err = plugin.check_schema({conn = 1, default_conn_delay = 0.1, rejected_code = 503, key = 'remote_addr'}) if not ok then ngx.say(err) end ngx.say("done") } } --- request GET /t --- response_body invalid "required" in docuement at pointer "#" done --- no_error_log [error] === TEST 3: 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" } }, "upstream": { "nodes": { "127.0.0.1:1980": 1 }, "type": "roundrobin" }, "uri": "/limit_conn" }]], [[{ "node": { "value": { "plugins": { "limit-conn": { "conn": 100, "burst": 50, "default_conn_delay": 0.1, "rejected_code": 503, "key": "remote_addr" } }, "upstream": { "nodes": { "127.0.0.1:1980": 1 }, "type": "roundrobin" }, "uri": "/limit_conn" }, "key": "/apisix/routes/1" }, "action": "set" }]] ) if code >= 300 then ngx.status = code end ngx.say(body) } } --- request GET /t --- response_body passed --- no_error_log [error] === TEST 4: not exceeding the burst --- request GET /test_concurrency --- timeout: 10s --- response_body 200 200 200 200 200 200 200 200 200 200 --- no_error_log [error] === TEST 5: 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" } }, "upstream": { "nodes": { "127.0.0.1:1980": 1 }, "type": "roundrobin" }, "uri": "/limit_conn" }]], [[{ "node": { "value": { "plugins": { "limit-conn": { "conn": 2, "burst": 1, "default_conn_delay": 0.1, "rejected_code": 503, "key": "remote_addr" } }, "upstream": { "nodes": { "127.0.0.1:1980": 1 }, "type": "roundrobin" }, "uri": "/limit_conn" }, "key": "/apisix/routes/1" }, "action": "set" }]] ) if code >= 300 then ngx.status = code end ngx.say(body) } } --- request GET /t --- response_body passed --- no_error_log [error] === TEST 6: exceeding the burst --- request GET /test_concurrency --- timeout: 10s --- response_body 200 200 200 503 503 503 503 503 503 503 --- no_error_log [error] === TEST 7: 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" } }, "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 --- no_error_log [error] === TEST 8: exceeding the burst --- request GET /test_concurrency --- timeout: 10s --- response_body 200 200 200 200 200 200 503 503 503 503 --- no_error_log [error] === TEST 9: 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" } }, "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: invalid \"required\" in docuement at pointer \"#\""} --- no_error_log [error] === TEST 10: invalid route: wrong conn --- 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": -1, "burst": 1, "default_conn_delay": 0.1, "rejected_code": 503, "key": "remote_addr" } }, "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: invalid \"minimum\" in docuement at pointer \"#\/conn\""} --- no_error_log [error] === TEST 11: invalid service: missing key --- config location /t { content_by_lua_block { local t = require("lib.test_admin").test local code, body = t('/apisix/admin/services/1', ngx.HTTP_PUT, [[{ "plugins": { "limit-conn": { "burst": 1, "default_conn_delay": 0.1, "rejected_code": 503, "key": "remote_addr" } }, "upstream": { "nodes": { "127.0.0.1:1980": 1 }, "type": "roundrobin" } }]] ) 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: invalid \"required\" in docuement at pointer \"#\""} --- no_error_log [error] === TEST 12: invalid service: wrong count --- config location /t { content_by_lua_block { local t = require("lib.test_admin").test local code, body = t('/apisix/admin/services/1', ngx.HTTP_PUT, [[{ "plugins": { "limit-conn": { "conn": -1, "burst": 1, "default_conn_delay": 0.1, "rejected_code": 503, "key": "remote_addr" } }, "upstream": { "nodes": { "127.0.0.1:1980": 1 }, "type": "roundrobin" } }]] ) 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: invalid \"minimum\" in docuement at pointer \"#\/conn\""} --- no_error_log [error] === TEST 13: 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 --- no_error_log [error] === TEST 14: exceeding the burst --- request GET /test_concurrency --- timeout: 10s --- response_body 200 200 200 200 200 200 200 200 200 200 --- no_error_log [error]