apisix/t/plugin/limit-conn.t

600 lines
15 KiB
Perl

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]
=== TEST 15: 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"
}
},
"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]