Mercurial > hg > nginx-tests
view proxy_cache_revalidate.t @ 386:1b205a3332de
Tests: adjusted limit_req rate value.
This shortens excessive test execution time due to unnecessarily delayed
backend connection after client connection close, which is usually observed
when the client connection is closed before the request is proxied to backend.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Wed, 26 Mar 2014 22:50:22 +0400 |
parents | fb366c51eac6 |
children | c28ecaef065f |
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#!/usr/bin/perl # (C) Maxim Dounin # Tests for http proxy cache revalidation with conditional requests. ############################################################################### use warnings; use strict; use Test::More; use Socket qw/ CRLF /; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx qw/ :DEFAULT :gzip /; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; plan(skip_all => 'win32') if $^O eq 'MSWin32'; my $t = Test::Nginx->new()->has(qw/http proxy cache/) ->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=one:1m; proxy_cache_revalidate on; server { listen 127.0.0.1:8080; server_name localhost; location / { proxy_pass http://127.0.0.1:8081; proxy_cache one; proxy_cache_valid 200 1s; add_header X-Cache-Status $upstream_cache_status; } } server { listen 127.0.0.1:8081; server_name localhost; } } EOF $t->write_file('t', 'SEE-THIS'); $t->write_file('t2', 'SEE-THIS'); eval { open OLDERR, ">&", \*STDERR; close STDERR; $t->run(); open STDERR, ">&", \*OLDERR; }; plan(skip_all => 'no proxy_cache_revalidate') if $@; $t->plan(9); ############################################################################### # request documents and make sure they are cached like(http_get('/t'), qr/X-Cache-Status: MISS.*SEE/ms, 'request'); like(http_get('/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'request cached'); like(http_get('/t2'), qr/X-Cache-Status: MISS.*SEE/ms, '2nd request'); like(http_get('/t2'), qr/X-Cache-Status: HIT.*SEE/ms, '2nd request cached'); # wait for a while for cached responses to expire select undef, undef, undef, 2.5; # 1st document isn't modified, and should be revalidated on first request # (a 304 status code will appear in backend's logs), then cached again like(http_get('/t'), qr/X-Cache-Status: REVALIDATED.*SEE/ms, 'revalidated'); like(http_get('/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'request cached'); select undef, undef, undef, 0.1; like(read_file($t->testdir() . '/access.log'), qr/ 304 /, 'not modified'); # 2nd document is recreated with a new content $t->write_file('t2', 'NEW'); like(http_get('/t2'), qr/X-Cache-Status: EXPIRED.*NEW/ms, 'revalidate failed'); like(http_get('/t2'), qr/X-Cache-Status: HIT.*NEW/ms, 'new response cached'); ############################################################################### sub read_file { my ($file) = @_; my $log; local $/; open LOG, $file or die "Can't open $file: $!\n"; $log = <LOG>; close LOG; return $log; } ###############################################################################