#!perl

use strict;
use warnings;

use Test::More;

use Pinto::Difference;

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

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

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

$t->populate('AUTHOR/Dist-1 = PkgA~1, PkgB~1');
$t->populate('AUTHOR/Dist-2 = PkgB~2, PkgC~2');

#------------------------------------------------------------------------------
{
	my $right = $t->get_stack->head;
	my $left  = ($right->parents)[0];

	my $expect_adds = ['AUTHOR/Dist-2/PkgB~2/-', 'AUTHOR/Dist-2/PkgC~2/-'];
	my $expect_dels = ['AUTHOR/Dist-1/PkgB~1/-'];

	my $diff = Pinto::Difference->new(left => $left, right => $right);

	my @adds = map {$_->to_string} $diff->additions;
	my @dels = map {$_->to_string} $diff->deletions;

	is_deeply \@adds, $expect_adds, 'Got expected additions';
	is_deeply \@dels, $expect_dels, 'Got expected deletions';

	# If we reverse the direction of the diff, then
	# we should always get the opposite results...

	($right, $left) = ($left, $right);
	($expect_adds, $expect_dels) = ($expect_dels, $expect_adds);

	$diff = Pinto::Difference->new(left => $left, right => $right);

	@adds = map {$_->to_string} $diff->additions;
	@dels = map {$_->to_string} $diff->deletions;

	is_deeply \@adds, $expect_adds, 'Got expected additions';
	is_deeply \@dels, $expect_dels, 'Got expected deletions';
}

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

done_testing;