view sub_filter.t @ 1825:3629eda94c1b

Tests: handling of EWOULDBLOCK from sysread() with IO::Socket::SSL. With IO::Socket::SSL, when select() reports that the socket is readable, reading from it might still fail with EWOULDBLOCK, since no application data is available in the socket. In particular, this might happen with TLSv1.3 when a session ticket is received after the handshake. Fix is to explicitly check for EWOULDBLOCK errors.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 21 Mar 2023 02:57:39 +0300
parents 196d33c2bb45
children
line wrap: on
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#!/usr/bin/perl

# (C) Maxim Dounin

# Tests for sub filter.

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

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 rewrite sub proxy/)->plan(30)
	->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;

        sub_filter_types *;
        sub_filter foo bar;

        location / {
        }

        location /once {
            return 200 $arg_b;
        }

        location /many {
            sub_filter_once off;
            return 200 $arg_b;
        }

        location /complex {
            sub_filter abac _replaced;
            return 200 $arg_b;
        }

        location /complex2 {
            sub_filter ababX _replaced;
            return 200 $arg_b;
        }

        location /complex3 {
            sub_filter aab _replaced;
            return 200 $arg_b;
        }

        location /single {
            sub_filter A B;
            return 200 $arg_b;
        }

        location /single/many {
            sub_filter A B;
            sub_filter_once off;
            return 200 $arg_b;
        }

        location /var/string {
            sub_filter X$arg_a _replaced;
            return 200 $arg_b;
        }

        location /var/replacement {
            sub_filter aab '${arg_a}_replaced';
            return 200 $arg_b;
        }

        location /lm {
            sub_filter_last_modified on;
            proxy_pass http://127.0.0.1:8081/;
        }
    }

    server {
        listen       127.0.0.1:8081;
        server_name  localhost;
    }
}

EOF

$t->write_file('foo.html', 'foo');
$t->write_file('foo_uc.html', 'FOO');
$t->write_file('foofoo.html', 'foofoo');
$t->run();

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

like(http_get('/foo.html'), qr/bar/, 'sub_filter');
like(http_get('/foo_uc.html'), qr/bar/, 'sub_filter caseless');
like(http_get('/foofoo.html'), qr/barfoo/, 'once default');

like(http_get('/once?b=foofoo'), qr/barfoo/, 'once');
like(http_get('/many?b=foofoo'), qr/barbar/, 'many');
like(http_get('/many?b=fo'), qr/fo/, 'incomplete');
like(http_get('/many?b=foofo'), qr/barfo/, 'incomplete long');

like(http_get('/complex?b=abac'), qr/_replaced/, 'complex');
like(http_get('/complex?b=abaabac'), qr/aba_replaced/, 'complex 1st char');
like(http_get('/complex?b=ababac'), qr/replaced/, 'complex 2nd char');
like(http_get('/complex2?b=ababX'), qr/_replaced/, 'complex2');
like(http_get('/complex2?b=abababX'), qr/ab_replaced/, 'complex2 long');
like(http_get('/complex3?b=aab'), qr/_replaced/, 'complex3 aab in aab');
like(http_get('/complex3?b=aaab'), qr/a_replaced/, 'complex3 aab in aaab');
like(http_get('/complex3?b=aaaab'), qr/aa_replaced/, 'complex3 aab in aaaab');

like(http_get('/single?b=A'), qr/B/, 'single only');
like(http_get('/single?b=AA'), qr/BA/, 'single begin');
like(http_get('/single?b=CAAC'), qr/CBAC/, 'single middle');
like(http_get('/single?b=CA'), qr/CB/, 'single end');

like(http_get('/single/many?b=A'), qr/B/, 'single many only');
like(http_get('/single/many?b=AA'), qr/BB/, 'single many begin');
like(http_get('/single/many?b=CAAC'), qr/CBBC/, 'single many middle');
like(http_get('/single/many?b=CA'), qr/CB/, 'single many end');

like(http_get('/var/string?a=foo&b=Xfoo'), qr/_replaced/, 'complex string');
like(http_get('/var/string?a=foo&b=XFOO'), qr/_replaced/,
	'complex string caseless');
like(http_get('/var/string?a=abcdefghijklmnopq&b=Xabcdefghijklmnopq'),
	qr/_replaced/, 'complex string long');

like(http_get('/var/replacement?a=ee&b=aaab'), qr/aee_replaced/,
	'complex replacement');

unlike(http_get('/foo.html'), qr/(Last-Modified|ETag)/, 'no last modified');
like(http_get('/lm/foo.html'), qr/Last-Modified/, 'last modified');
like(http_get('/lm/foo.html'), qr!ETag: W/"[^"]+"!, 'last modified weak');

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