Mercurial > hg > nginx-tests
changeset 1266:b17f27fa9081
Tests: tests for "header already sent" alerts on backend errors.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Fri, 05 Jan 2018 08:27:26 +0300 |
parents | 200d9d091da2 |
children | f94e79aad895 |
files | proxy_cache_error.t |
diffstat | 1 files changed, 87 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/proxy_cache_error.t Fri Jan 05 08:27:26 2018 +0300 @@ -0,0 +1,87 @@ +#!/usr/bin/perl + +# (C) Maxim Dounin + +# Tests for http proxy cache, "header already sent" alerts on backend errors, +# http://mailman.nginx.org/pipermail/nginx-devel/2018-January/010737.html. + +############################################################################### + +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 $t = Test::Nginx->new()->has(qw/http proxy cache/)->plan(1) + ->write_file_expand('nginx.conf', <<'EOF'); + +%%TEST_GLOBALS%% + +daemon off; + +events { +} + +http { + %%TEST_GLOBALS_HTTP%% + + proxy_cache_path %%TESTDIR%%/cache levels=1:2 + keys_zone=NAME:1m; + + server { + listen 127.0.0.1:8080; + server_name localhost; + + location / { + proxy_pass http://127.0.0.1:8081; + proxy_cache NAME; + + proxy_read_timeout 100ms; + } + } + + server { + listen 127.0.0.1:8081; + server_name localhost; + + location / { + limit_rate 512; + expires 1m; + } + } +} + +EOF + +$t->write_file('big.html', 'x' x 1024); + +$t->run(); + +############################################################################### + +# make a HEAD request; as cache is enabled, nginx convert HEAD to GET +# and will set u->pipe->downstream_error to suppress sending the response +# body to the client + +like(http_head('/big.html'), qr/200 OK/, 'head request'); + +# once proxy_read_timeout expires, nginx will call +# ngx_http_finalize_upstream_request() with u->pipe->downstream_error set +# and rc = NGX_HTTP_GATEWAY_TIMEOUT; after revision ad3f342f14ba046c this +# will result in ngx_http_finalize_request(NGX_HTTP_GATEWAY_TIMEOUT), +# leading to an attempt to return additional error response and +# the "header already sent" alert + +$t->todo_alerts(); + +###############################################################################