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Tests: unbreak reading new stderr data after eof. Tests don't expect to stop reading redirected stderr when end of file is reached, but rather to read new data being appended, similar to "tail -f". The behaviour is found changed in Ubuntu 23.04's Perl 5.36, which applies the upstream patch [1] expected for inclusion in the upcoming Perl 5.38. The fix is to clear the filehandle's error state to continue reading. [1] https://github.com/Perl/perl5/commit/80c1f1e45e8e Updated mail_error_log.t and stream_error_log.t for consistency.
author Sergey Kandaurov <pluknet@nginx.com>
date Mon, 29 May 2023 17:27:11 +0400
parents fb88778d4580
children
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#!/usr/bin/perl

# (C) Maxim Dounin

# Tests for embedded perl module.

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

use warnings;
use strict;

use Test::More;

use Socket qw/ CRLF /;

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 perl rewrite/)->plan(27)
	->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;

        location / {
            set $testvar "TEST";
            perl 'sub {
                use warnings;
                use strict;

                my $r = shift;

                $r->status(204) if $r->args =~ /204/;

                $r->send_http_header("text/plain");

                return OK if $r->header_only;

                my $v = $r->variable("testvar");

                $r->print("testvar: $v\n");

                $r->print("host: ", $r->header_in("Host"), "\n");
                $r->print("xfoo: ", $r->header_in("X-Foo"), "\n");
                $r->print("cookie: ", $r->header_in("Cookie"), "\n");
                $r->print("xff: ", $r->header_in("X-Forwarded-For"), "\n");
                $r->print("connection: ", $r->header_in("Connection"), "\n");

                return OK;
            }';
        }

        location /range {
            perl 'sub {
                use warnings;
                use strict;

                my $r = shift;

                $r->header_out("Content-Length", "42");
                $r->allow_ranges();
                $r->send_http_header("text/plain");

                return OK if $r->header_only;

                $r->print("x" x 42);

                return OK;
            }';
        }

        location /body {
            perl 'sub {
                use warnings;
                use strict;

                my $r = shift;

                if ($r->has_request_body(\&post)) {
                    return OK;
                }

                return HTTP_BAD_REQUEST;

                sub post {
                    my $r = shift;
                    $r->send_http_header;
                    $r->print("body: ", $r->request_body, "\n");
                    $r->print("file: ", $r->request_body_file, "\n");
                }
            }';
        }

        location /discard {
            perl 'sub {
                use warnings;
                use strict;

                my $r = shift;

                $r->discard_request_body;

                $r->send_http_header("text/plain");

                return OK if $r->header_only;

                $r->print("host: ", $r->header_in("Host"), "\n");

                return OK;
            }';
        }
    }
}

EOF

$t->run();

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

like(http_get('/'), qr/ 200 .*TEST/s, 'perl response');
like(http_head('/'), qr/ 200 (?!.*TEST)/s, 'perl header_only');
like(http_get('/?204'), qr/ 204 (?!.*TEST)/s, 'perl status, args');

# various $r->header_in() cases

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'Host: localhost' . CRLF . CRLF
), qr/host: localhost/, 'perl header_in known');

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'X-Foo: foo' . CRLF
	. 'Host: localhost' . CRLF . CRLF
), qr/xfoo: foo/, 'perl header_in unknown');

TODO: {
local $TODO = 'not yet' unless $t->has_version('1.23.0');

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'X-Foo: foo' . CRLF
	. 'X-Foo: bar' . CRLF
	. 'Host: localhost' . CRLF . CRLF
), qr/xfoo: foo, bar/, 'perl header_in unknown2');

}

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'Cookie: foo' . CRLF
	. 'Host: localhost' . CRLF . CRLF
), qr/cookie: foo/, 'perl header_in cookie');

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'Cookie: foo1' . CRLF
	. 'Cookie: foo2' . CRLF
	. 'Host: localhost' . CRLF . CRLF
), qr/cookie: foo1; foo2/, 'perl header_in cookie2');

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'X-Forwarded-For: foo' . CRLF
	. 'Host: localhost' . CRLF . CRLF
), qr/xff: foo/, 'perl header_in xff');

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'X-Forwarded-For: foo1' . CRLF
	. 'X-Forwarded-For: foo2' . CRLF
	. 'Host: localhost' . CRLF . CRLF
), qr/xff: foo1, foo2/, 'perl header_in xff2');

TODO: {
local $TODO = 'not yet' unless $t->has_version('1.23.0');

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'Connection: close' . CRLF
	. 'Host: localhost' . CRLF . CRLF
), qr/connection: close/, 'perl header_in connection');

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'Connection: close' . CRLF
	. 'Connection: foo' . CRLF
	. 'Host: localhost' . CRLF . CRLF
), qr/connection: close, foo/, 'perl header_in connection2');

}

# headers_out content-length tests with range filter

like(http_get('/range'), qr/Content-Length: 42.*^x{42}$/ms,
	'perl header_out content-length');

like(http(
	'GET /range HTTP/1.0' . CRLF
	. 'Host: localhost' . CRLF
	. 'Range: bytes=0-1' . CRLF . CRLF
), qr/Content-Length: 2.*^xx$/ms, 'perl header_out content-length range');

like(http(
	'GET /range HTTP/1.0' . CRLF
	. 'Host: localhost' . CRLF
	. 'Range: bytes=0-1,3-5' . CRLF . CRLF
), qr/Content-Length: (?!42).*^xx\x0d.*^xxx\x0d/ms,
	'perl header_out content-length multipart');

like(http(
	'GET /range HTTP/1.0' . CRLF
	. 'Host: localhost' . CRLF
	. 'Range: bytes=100000-' . CRLF . CRLF
), qr|^\QHTTP/1.1 416\E.*(?!xxx)|ms, 'perl range not satisfiable');

like(http(
	'GET / HTTP/1.0' . CRLF
	. 'Host: localhost' . CRLF
	. 'If-Match: tt' . CRLF . CRLF
), qr|200 OK|ms, 'perl precondition failed');

# various request body tests

like(http_get('/body'), qr/400 Bad Request/, 'perl no body');

like(http(
	'GET /body HTTP/1.0' . CRLF
	. 'Host: localhost' . CRLF
	. 'Content-Length: 10' . CRLF . CRLF
	. '1234567890'
), qr/body: 1234567890/, 'perl body preread');

like(http(
	'GET /body HTTP/1.0' . CRLF
	. 'Host: localhost' . CRLF
	. 'Content-Length: 10' . CRLF . CRLF,
	sleep => 0.1,
	body => '1234567890'
), qr/body: 1234567890/, 'perl body late');

like(http(
	'GET /body HTTP/1.0' . CRLF
	. 'Host: localhost' . CRLF
	. 'Content-Length: 10' . CRLF . CRLF
	. '12345',
	sleep => 0.1,
	body => '67890'
), qr/body: 1234567890/, 'perl body split');

like(http(
	'GET /body HTTP/1.1' . CRLF
	. 'Host: localhost' . CRLF
	. 'Connection: close' . CRLF
	. 'Transfer-Encoding: chunked' . CRLF . CRLF
	. 'a' . CRLF
	. '1234567890' . CRLF
	. '0' . CRLF . CRLF
), qr/body: 1234567890/, 'perl body chunked');

like(http(
	'GET /body HTTP/1.1' . CRLF
	. 'Host: localhost' . CRLF
	. 'Connection: close' . CRLF
	. 'Transfer-Encoding: chunked' . CRLF . CRLF,
	sleep => 0.1,
	body => 'a' . CRLF . '1234567890' . CRLF . '0' . CRLF . CRLF
), qr/body: 1234567890/, 'perl body chunked late');

like(http(
	'GET /body HTTP/1.1' . CRLF
	. 'Host: localhost' . CRLF
	. 'Connection: close' . CRLF
	. 'Transfer-Encoding: chunked' . CRLF . CRLF
	. 'a' . CRLF
	. '12345',
	sleep => 0.1,
	body => '67890' . CRLF . '0' . CRLF . CRLF
), qr/body: 1234567890/, 'perl body chunked split');

like(http(
	'GET /discard HTTP/1.1' . CRLF
	. 'Host: localhost' . CRLF
	. 'Connection: close' . CRLF
	. 'Transfer-Encoding: chunked' . CRLF . CRLF
	. 'a' . CRLF
	. '1234567890' . CRLF
	. '0' . CRLF . CRLF
), qr/host: localhost/, 'perl body discard');

like(http(
	'GET /discard HTTP/1.1' . CRLF
	. 'Host: localhost' . CRLF
	. 'Connection: close' . CRLF
	. 'Transfer-Encoding: chunked' . CRLF . CRLF
	. 'ak' . CRLF
	. '1234567890' . CRLF
	. '0' . CRLF . CRLF
), qr/400 Bad Request/, 'perl body discard bad chunk');

like(http(
	'GET /body HTTP/1.1' . CRLF
	. 'Host: localhost' . CRLF
	. 'Connection: close' . CRLF
	. 'Transfer-Encoding: chunked' . CRLF . CRLF
	. 'ak' . CRLF
	. '1234567890' . CRLF
	. '0' . CRLF . CRLF
), qr/400 Bad Request/, 'perl body bad chunk');

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