#!/usr/bin/perl

# (C) Maxim Dounin
# (C) Valentin Bartenev

# Tests for http variables.

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use warnings;
use strict;

use Test::More;

BEGIN { use FindBin; chdir($FindBin::Bin); }

use lib 'lib';
use Test::Nginx;

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select STDERR; $| = 1;
select STDOUT; $| = 1;

my $t = Test::Nginx->new()->has(qw/http rewrite proxy/)->plan(3);

$t->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
}

http {
    %%TEST_GLOBALS_HTTP%%

    log_format cc "$uri: $sent_http_cache_control";

    server {
        listen       127.0.0.1:8080;
        server_name  localhost;

        access_log %%TESTDIR%%/cc.log cc;

        location / {
            return 200 OK;
        }

        location /set {
            add_header Cache-Control max-age=3600;
            add_header Cache-Control private;
            add_header Cache-Control must-revalidate;
            return 200 OK;
        }

        location /redefine {
            expires epoch;
            proxy_pass http://127.0.0.1:8080/set;
        }
    }
}

EOF

$t->run();

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http_get('/');
http_get('/redefine');

$t->stop();

my $log;

{
	open LOG, $t->testdir() . '/cc.log'
		or die("Can't open nginx access log file.\n");
	local $/;
	$log = <LOG>;
	close LOG;
}

like($log, qr!^/: -$!m, 'no header');
like($log, qr!^/set: max-age=3600; private; must-revalidate$!m,
	'multi headers');

like($log, qr!^/redefine: no-cache$!m, 'ignoring headers with (hash == 0)');

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