Mercurial > hg > nginx-tests
view stream_limit_rate.t @ 1263:ea3c7659b6c1
Tests: handled early pidfile write on win32 in the run() routine.
In addition to the present waiting for pidfile, which is insufficient on win32
due to the CreateProcess model, and may lead to rare startup races, search now
for the certain error message which indicates started worker process.
This change allows tolerating moderate hiccups on win32 hosts.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Tue, 19 Dec 2017 19:55:01 +0300 |
parents | 882267679006 |
children | 7ae2747ee593 |
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#!/usr/bin/perl # (C) Andrey Zelenkov # (C) Nginx, Inc. # Tests for stream proxy module, limit rate directives. ############################################################################### use warnings; use strict; use Test::More; use IO::Select; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; use Test::Nginx::Stream qw/ stream /; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/stream/)->plan(8) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { # download and upload rates are set equal to the maximum # number of bytes transmitted # proxy_download_rate value comes from following calculations: # test string length (1000) + whitespace (1) + time string length (10) proxy_download_rate 1011; proxy_upload_rate 1000; server { listen 127.0.0.1:8081; proxy_pass 127.0.0.1:8080; } server { listen 127.0.0.1:8082; proxy_pass 127.0.0.1:8080; proxy_download_rate 0; proxy_upload_rate 0; } server { listen 127.0.0.1:8083; proxy_pass 127.0.0.1:8080; proxy_download_rate 1; } server { listen 127.0.0.1:8084; proxy_pass 127.0.0.1:8080; proxy_upload_rate 1; } server { listen 127.0.0.1:8085; proxy_pass 127.0.0.1:8080; proxy_download_rate 250; } server { listen 127.0.0.1:8086; proxy_pass 127.0.0.1:8087; proxy_upload_rate 250; } } EOF $t->run_daemon(\&stream_daemon, port(8080)); $t->run_daemon(\&stream_daemon, port(8087)); $t->run(); $t->waitforsocket('127.0.0.1:' . port(8080)); $t->waitforsocket('127.0.0.1:' . port(8087)); ############################################################################### my $str = '1234567890' x 100; my %r = response($str, peer => '127.0.0.1:' . port(8081)); is($r{'data'}, $str, 'exact limit'); %r = response($str, peer => '127.0.0.1:' . port(8082)); is($r{'data'}, $str, 'unlimited'); SKIP: { skip 'unsafe on VM', 2 unless $ENV{TEST_NGINX_UNSAFE}; # if interaction between backend and client is slow then proxy can add extra # bytes to upload/download data %r = response($str, peer => '127.0.0.1:' . port(8083), readonce => 1); is($r{'data'}, '1', 'download - one byte'); %r = response($str, peer => '127.0.0.1:' . port(8084)); is($r{'data'}, '1', 'upload - one byte'); } # Five chunks are split with four 1s delays: # the first four chunks are quarters of test string # and the fifth one is some extra data from backend. %r = response($str, peer => '127.0.0.1:' . port(8085)); my $diff = time() - $r{'time'}; cmp_ok($diff, '>=', 4, 'download - time'); is($r{'data'}, $str, 'download - data'); my $time = time(); %r = response($str . 'close', peer => '127.0.0.1:' . port(8086)); $diff = time() - $time; cmp_ok($diff, '>=', 4, 'upload - time'); is($r{'data'}, $str . 'close', 'upload - data'); ############################################################################### sub response { my ($data, %extra) = @_; my $s = stream($extra{peer}); $s->write($data); $data = ''; while (1) { my $buf = $s->read(); last unless length($buf); $data .= $buf; last if $extra{'readonce'}; } $data =~ /([\S]*)\s?(\d+)?/; return ('data' => $1, 'time' => $2) } ############################################################################### sub stream_daemon { my $port = shift; my $server = IO::Socket::INET->new( Proto => 'tcp', LocalAddr => '127.0.0.1', LocalPort => $port, Listen => 5, Reuse => 1 ) or die "Can't create listening socket: $!\n"; my $sel = IO::Select->new($server); local $SIG{PIPE} = 'IGNORE'; while (my @ready = $sel->can_read) { foreach my $fh (@ready) { if ($server == $fh) { my $new = $fh->accept; $new->autoflush(1); $sel->add($new); } elsif (stream_handle_client($fh)) { $sel->remove($fh); $fh->close; } } } } sub stream_handle_client { my ($client) = @_; log2c("(new connection $client)"); $client->sysread(my $buffer, 65536) or return 1; log2i("$client $buffer"); $buffer .= " " . time() if $client->sockport() eq port(8080); log2o("$client $buffer"); $client->syswrite($buffer); return $client->sockport() eq port(8080) ? 1 : $buffer =~ /close/; } sub log2i { Test::Nginx::log_core('|| <<', @_); } sub log2o { Test::Nginx::log_core('|| >>', @_); } sub log2c { Test::Nginx::log_core('||', @_); } ###############################################################################