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#!/usr/bin/perl
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
use strict;
use warnings;
use Test::More tests => 16;
use Test::Dpkg qw(:paths);
use_ok('Dpkg::Path', 'canonpath', 'resolve_symlink',
'check_files_are_the_same', 'get_pkg_root_dir',
'guess_pkg_root_dir', 'relative_to_pkg_root');
my $tmpdir = test_get_temp_path();
mkdir "$tmpdir/a";
mkdir "$tmpdir/a/b";
mkdir "$tmpdir/a/b/c";
mkdir "$tmpdir/a/DEBIAN";
mkdir "$tmpdir/debian";
mkdir "$tmpdir/debian/a";
mkdir "$tmpdir/debian/a/b";
mkdir "$tmpdir/debian/a/b/c";
symlink 'a/b/c', "$tmpdir/cbis";
symlink '/this/does/not/exist', "$tmpdir/tmp";
symlink '.', "$tmpdir/here";
is(canonpath("$tmpdir/./a///b/c"), "$tmpdir/a/b/c", 'canonpath basic test');
is(canonpath("$tmpdir/a/b/../../a/b/c"), "$tmpdir/a/b/c", 'canonpath and ..');
is(canonpath("$tmpdir/a/b/c/../../"), "$tmpdir/a", 'canonpath .. at end');
is(canonpath("$tmpdir/cbis/../"), "$tmpdir/cbis/..", 'canonpath .. after symlink');
is(resolve_symlink("$tmpdir/here/cbis"), "$tmpdir/here/a/b/c", 'resolve_symlink');
is(resolve_symlink("$tmpdir/tmp"), '/this/does/not/exist', 'resolve_symlink absolute');
is(resolve_symlink("$tmpdir/here"), $tmpdir, 'resolve_symlink .');
ok(!check_files_are_the_same("$tmpdir/here", $tmpdir), 'Symlink is not the same!');
ok(check_files_are_the_same("$tmpdir/here/a", "$tmpdir/a"), 'Same directory');
is(get_pkg_root_dir("$tmpdir/a/b/c"), "$tmpdir/a", 'get_pkg_root_dir');
is(guess_pkg_root_dir("$tmpdir/a/b/c"), "$tmpdir/a", 'guess_pkg_root_dir');
is(relative_to_pkg_root("$tmpdir/a/b/c"), 'b/c', 'relative_to_pkg_root');
chdir($tmpdir);
is(get_pkg_root_dir('debian/a/b/c'), undef, 'get_pkg_root_dir undef');
is(relative_to_pkg_root('debian/a/b/c'), undef, 'relative_to_pkg_root undef');
is(guess_pkg_root_dir('debian/a/b/c'), 'debian/a', 'guess_pkg_root_dir fallback');
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