#!perl

use strict;
use warnings;

use Test::More;

use Pinto::PrerequisiteWalker;

use lib 't/lib';
use Pinto::Tester;

#------------------------------------------------------------------------------

my $t = Pinto::Tester->new;

# Foo -> Bar -> Baz -> Foo
$t->populate('AUTHOR/Foo-1 = Foo-1 & Bar~1');
$t->populate('AUTHOR/Bar-1 = Bar-1 & Baz~1');
$t->populate('AUTHOR/Baz-1 = Baz-1 & Foo~1');

#------------------------------------------------------------------------------
subtest 'handle circular prerequisites' => sub {

    my $cb = sub {
        my ($prereq) = @_;
        my $dist = $t->pinto->repo->get_distribution( target => $prereq->as_target );
        ok defined $dist, "Got distribution for prereq $prereq";
        return $dist;
    };

    my $dist = $t->get_distribution( author => 'AUTHOR', archive => 'Foo-1.tar.gz' );
    my $walker = Pinto::PrerequisiteWalker->new( start => $dist, callback => $cb );
    while ( $walker->next ) { }

    # All we need to do is make sure we get out...
    ok 1, 'Escaped circular dependencies';

};

#------------------------------------------------------------------------------

done_testing;