view memcached.t @ 549:e4ff43e00d84

Tests: refactored least_conn test. First, start long requests to busy both backends, and ensure that subsequent consecutive requests are balanced to the only backend with zero connections. This change aims to get rid of false negatives due timing issues.
author Sergey Kandaurov <pluknet@nginx.com>
date Fri, 17 Apr 2015 17:54:06 +0300
parents d5bf5942a8b2
children c0b4ae82fd9d
line wrap: on
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#!/usr/bin/perl

# (C) Maxim Dounin

# Test for memcached backend.

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

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;

eval { require Cache::Memcached; };
plan(skip_all => 'Cache::Memcached not installed') if $@;

my $t = Test::Nginx->new()->has(qw/http rewrite memcached/)
	->has_daemon('memcached')->plan(4)
	->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
}

http {
    %%TEST_GLOBALS_HTTP%%

    server {
        listen       127.0.0.1:8080;
        server_name  localhost;

        location / {
            set $memcached_key $uri;
            memcached_pass 127.0.0.1:8081;
        }

        location /next {
            set $memcached_key $uri;
            memcached_next_upstream  not_found;
            memcached_pass 127.0.0.1:8081;
        }
    }
}

EOF

my $memhelp = `memcached -h`;
my @memopts = ();

if ($memhelp =~ /repcached/) {
	# repcached patch adds additional listen socket
	push @memopts, '-X', '8082';
}
if ($memhelp =~ /-U/) {
	# UDP port is on by default in memcached 1.2.7+
	push @memopts, '-U', '0';
}

$t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8081', @memopts);
$t->run();

$t->waitforsocket('127.0.0.1:8081')
	or die "Can't start memcached";

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

my $memd = Cache::Memcached->new(servers => [ '127.0.0.1:8081' ]);
$memd->set('/', 'SEE-THIS')
	or die "can't put value into memcached: $!";

like(http_get('/'), qr/SEE-THIS/, 'memcached request');

like(http_get('/notfound'), qr/ 404 /, 'memcached not found');

like(http_get('/next'), qr/ 404 /, 'not found with memcached_next_upstream');

unlike(http_head('/'), qr/SEE-THIS/, 'memcached no data in HEAD');

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