view limit_req_dry_run.t @ 1888:cc13f7b098db

Tests: avoid premature stream reset in h3_limit_req.t. STREAM and RESET_STREAM frames could be batched, which prevents the stream from being processed and changes the status code. The fix is to wait for the stream acknowledgment. Here we just look at the largest acknowledged, this should be enough for simple cases.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 04 Apr 2023 00:33:54 +0400
parents 5ac6efbe5552
children
line wrap: on
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#!/usr/bin/perl

# (C) Sergey Kandaurov
# (C) Nginx, Inc.

# Tests for nginx limit_req module, limit_req_dry_run directive.

###############################################################################

use warnings;
use strict;

use Test::More;

BEGIN { use FindBin; chdir($FindBin::Bin); }

use lib 'lib';
use Test::Nginx;

###############################################################################

select STDERR; $| = 1;
select STDOUT; $| = 1;

my $t = Test::Nginx->new()->has(qw/http limit_req/);

$t->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
}

http {
    %%TEST_GLOBALS_HTTP%%

    limit_req_zone  $binary_remote_addr  zone=one:1m   rate=1r/m;

    log_format test $uri:$limit_req_status;

    server {
        listen       127.0.0.1:8080;
        server_name  localhost;

        limit_req_dry_run  on;
        add_header X-Status $limit_req_status always;
        access_log %%TESTDIR%%/test.log test;

        location /delay {
            limit_req    zone=one  burst=2;
        }

        location /reject {
            limit_req    zone=one;
        }

        location /reject/off {
            limit_req    zone=one;

            limit_req_dry_run off;
        }

        location / { }
    }
}

EOF

$t->write_file('delay', 'SEE-THIS');
$t->write_file('reject', 'SEE-THIS');
$t->run()->plan(8);

###############################################################################

like(http_get('/delay'), qr/ 200 .*PASSED/ms, 'dry run - passed');
like(http_get('/delay'), qr/ 200 .*DELAYED_DRY_RUN/ms, 'dry run - delayed');
like(http_get('/reject'), qr/ 200 .*REJECTED_DRY_RUN/ms, 'dry run - rejected');

like(http_get('/reject/off'), qr/ 503 .*REJECTED/ms, 'dry run off - rejected');

unlike(http_get('/'), qr/X-Status/, 'no limit');

$t->stop();

like($t->read_file('error.log'), qr/delaying request, dry/, 'log - delay');
like($t->read_file('error.log'), qr/limiting requests, dry/, 'log - reject');

like($t->read_file('test.log'), qr|^/:-|m, 'log - not found');

###############################################################################