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[gruntmaster-daemon.git] / lib / Gruntmaster / Daemon / Runner / Verifier.pm
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1package Gruntmaster::Daemon::Runner::Verifier;
2
3use 5.014000;
4use strict;
5use warnings;
6
7use Gruntmaster::Daemon::Constants qw/WA/;
8use File::Slurp qw/slurp/;
9use Log::Log4perl qw/get_logger/;
10use Try::Tiny;
11
d6a1ae0d 12our $VERSION = '5999.000_002';
bc372959 13
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14##################################################
15
16sub run{
17 my ($test, $meta) = @_;
18 get_logger->trace("Running on test $test...");
19 $meta->{files}{prog}{run}->($meta->{files}{prog}{name}, fds => [qw/0 input 1 >output/], map {defined $meta->{$_} ? ($_ => $meta->{$_}) : () } qw/timeout olimit mlimit/);
20
21 try {
03007d04 22 $meta->{files}{ver}{run}->($meta->{files}{ver}{name}, fds => [qw/0 input 3 output 1 >result/], args => [$test]);
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23 } catch {
24 die [WA, "Wrong answer"]
25 };
26 scalar slurp 'result';
27}
28
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291;
30__END__
31
32=encoding utf-8
33
34=head1 NAME
35
36Gruntmaster::Daemon::Runner::Verifier - Check the program output with a verifier
37
38=head1 SYNOPSIS
39
40 use Gruntmaster::Daemon::Runner::Verifier;
41 Gruntmaster::Daemon::Runner::Verifier->run(5, $meta);
42
43=head1 DESCRIPTION
44
45Gruntmaster::Daemon::Runner::Verifier is a runner which uses a verifier program to check the correctness of the output.
46
47The verifier program, C<< $meta->{files}{ver} >>, reads the test input from stdin and the output from fd 3. If the output is incorrect, it should return a nonzero value. Otherwise, it should print the score on this test and then return 0.
48
49=head1 AUTHOR
50
51Marius Gavrilescu E<lt>marius@ieval.roE<gt>
52
53=head1 COPYRIGHT AND LICENSE
54
55Copyright (C) 2014 by Marius Gavrilescu
56
57This library is free software: you can redistribute it and/or modify
58it under the terms of the GNU Affero General Public License as published by
59the Free Software Foundation, either version 3 of the License, or
60(at your option) any later version.
61
62
63=cut
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