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#!/usr/bin/perl
# (C) Maxim Dounin
# Tests for http proxy cache lock.
###############################################################################
use warnings;
use strict;
use Test::More;
BEGIN { use FindBin; chdir($FindBin::Bin); }
use lib 'lib';
use Test::Nginx qw/ :DEFAULT http_end /;
###############################################################################
select STDERR; $| = 1;
select STDOUT; $| = 1;
my $t = Test::Nginx->new()->has(qw/http proxy cache/)->plan(17)
->write_file_expand('nginx.conf', <<'EOF');
%%TEST_GLOBALS%%
daemon off;
events {
}
http {
%%TEST_GLOBALS_HTTP%%
proxy_cache_path %%TESTDIR%%/cache levels=1:2
keys_zone=NAME:1m;
server {
listen 127.0.0.1:8080;
server_name localhost;
location / {
proxy_pass http://127.0.0.1:8081;
proxy_cache NAME;
proxy_cache_lock on;
}
location /timeout {
proxy_pass http://127.0.0.1:8081;
proxy_cache NAME;
proxy_cache_lock on;
proxy_cache_lock_timeout 200ms;
}
location /nolock {
proxy_pass http://127.0.0.1:8081;
proxy_cache NAME;
}
}
}
EOF
$t->run_daemon(\&http_fake_daemon);
$t->run();
$t->waitforsocket('127.0.0.1:' . port(8081));
###############################################################################
# sequential requests
for my $i (1 .. 5) {
like(http_get('/seq'), qr/request 1/, 'sequential request ' . $i);
}
# parallel requests
my @sockets;
for my $i (1 .. 5) {
$sockets[$i] = http_get('/par1', start => 1);
}
for my $i (1 .. 5) {
like(http_end($sockets[$i]), qr/request 1/, 'parallel request ' . $i);
}
like(http_get('/par1'), qr/request 1/, 'first request cached');
# since 1.7.8, parallel requests with cache lock timeout expired are not cached
for my $i (1 .. 3) {
$sockets[$i] = http_get('/timeout', start => 1);
}
like(http_end($sockets[1]), qr/request 1/, 'lock timeout - first');
my $rest = http_end($sockets[2]);
$rest .= http_end($sockets[3]);
like($rest, qr/request (2.*request 3|3.*request 2)/s, 'lock timeout - rest');
like(http_get('/timeout'), qr/request 1/, 'lock timeout - first only cached');
# no lock
for my $i (1 .. 3) {
$sockets[$i] = http_get('/nolock', start => 1);
}
$rest = join '', map { http_end($sockets[$_]) } (1 .. 3);
like($rest, qr/request 1/, 'nolock - first');
like($rest, qr/request 3/, 'nolock - last');
like(http_get('/nolock'), qr/request 3/, 'nolock - last cached');
###############################################################################
sub http_fake_daemon {
my $server = IO::Socket::INET->new(
Proto => 'tcp',
LocalAddr => '127.0.0.1:' . port(8081),
Listen => 5,
Reuse => 1
)
or die "Can't create listening socket: $!\n";
my $num = 0;
my $uri = '';
while (my $client = $server->accept()) {
$client->autoflush(1);
while (<$client>) {
if (/GET (.*) HTTP/ && $1 ne $uri) {
$uri = $1;
$num = 0;
}
$uri = $1 if /GET (.*) HTTP/;
last if /^\x0d?\x0a?$/;
}
next unless $uri;
select(undef, undef, undef, 1.1);
$num++;
print $client <<"EOF";
HTTP/1.1 200 OK
Cache-Control: max-age=300
Connection: close
request $num
EOF
}
}
###############################################################################
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