t/plugin/limit-conn3.t

#
# 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 check leak 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) = @_;

    if (!$block->request) {
        $block->set_value("request", "GET /t");
    }

    if (!$block->error_log && !$block->no_error_log) {
        $block->set_value("no_error_log", "[error]\n[alert]");
    }
});

run_tests;

__DATA__

=== TEST 1: create route with limit-conn 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": 1,
                                "burst": 0,
                                "default_conn_delay": 0.1,
                                "rejected_code": 503,
                                "key": "$remote_addr",
                                "key_type": "var_combination"
                            }
                        },
                        "upstream": {
                            "nodes": {
                                "127.0.0.1:1980": 1
                            },
                            "type": "roundrobin"
                        },
                        "uri": "/limit_conn",
                        "host": "www.test.com"
                }]]
                )

            if code >= 300 then
                ngx.status = code
            end
            ngx.say(body)
        }
    }
--- response_body
passed



=== TEST 2: create ssl(sni: www.test.com)
--- config
location /t {
    content_by_lua_block {
        local core = require("apisix.core")
        local t = require("lib.test_admin")

        local ssl_cert = t.read_file("t/certs/apisix.crt")
        local ssl_key =  t.read_file("t/certs/apisix.key")
        local data = {cert = ssl_cert, key = ssl_key, sni = "www.test.com"}

        local code, body = t.test('/apisix/admin/ssls/1',
            ngx.HTTP_PUT,
            core.json.encode(data),
            [[{
                "value": {
                    "sni": "www.test.com"
                },
                "key": "/apisix/ssls/1"
            }]]
            )

        ngx.status = code
        ngx.say(body)
    }
}
--- response_body
passed



=== TEST 3: use HTTP version 2 to request
--- exec
curl --http2 --parallel -k https://www.test.com:1994/limit_conn https://www.test.com:1994/limit_conn --resolve www.test.com:1994:127.0.0.1
--- response_body_like
503 Service Temporarily Unavailable.*.hello world