#!/usr/bin/perl

# (C) Dmitry Volyntsev
# (C) Nginx, Inc.

# Tests for http njs module, internalRedirect method.

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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/)
	->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
}

http {
    %%TEST_GLOBALS_HTTP%%

    js_import test.js;

    server {
        listen       127.0.0.1:8080;
        server_name  localhost;

        location /njs {
            js_content test.njs;
        }

        location /test {
            js_content test.redirect;
        }

        location /redirect {
            internal;
            return 200 redirect$arg_b;
        }

        location @named {
            return 200 named;
        }
    }
}

EOF

$t->write_file('test.js', <<EOF);
    function test_njs(r) {
        r.return(200, njs.version);
    }

    function redirect(r) {
        if (r.variables.arg_dest == 'named') {
            r.internalRedirect('\@named');

        } else if (r.variables.arg_unsafe) {
            r.internalRedirect('/red\0rect');

        } else if (r.variables.arg_quoted) {
            r.internalRedirect('/red%69rect');

        } else {
            if (r.variables.arg_a) {
                r.internalRedirect('/redirect?b=' + r.variables.arg_a);

            } else {
                r.internalRedirect('/redirect');
            }
        }
    }

    export default {njs:test_njs, redirect};

EOF

$t->try_run('no njs available')->plan(5);

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like(http_get('/test'), qr/redirect/s, 'redirect');
like(http_get('/test?a=A'), qr/redirectA/s, 'redirect with args');
like(http_get('/test?dest=named'), qr/named/s, 'redirect to named location');

TODO: {
local $TODO = 'not yet' unless has_version('0.7.4');

like(http_get('/test?unsafe=1'), qr/500 Internal Server/s,
	'unsafe redirect');
like(http_get('/test?quoted=1'), qr/200 .*redirect/s,
	'quoted redirect');
}

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sub has_version {
	my $need = shift;

	http_get('/njs') =~ /^([.0-9]+)$/m;

	my @v = split(/\./, $1);
	my ($n, $v);

	for $n (split(/\./, $need)) {
		$v = shift @v || 0;
		return 0 if $n > $v;
		return 1 if $v > $n;
	}

	return 1;
}

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