stow/t/find_stowed_path.t

#!/usr/local/bin/perl

#
# Testing find_stowed_path()
#

use strict;
use warnings;

use testutil;

use Test::More tests => 6;

init_test_dirs();

my $stow = new_Stow(dir => "$OUT_DIR/stow");

is_deeply(
    [ $stow->find_stowed_path("$OUT_DIR/target/a/b/c", '../../../stow/a/b/c') ],
    [ "$OUT_DIR/stow/a/b/c", "$OUT_DIR/stow", 'a' ]
    => 'from root'
);

cd("$OUT_DIR/target");
$stow->set_stow_dir('../stow');
is_deeply(
    [ $stow->find_stowed_path('a/b/c','../../../stow/a/b/c') ],
    [ '../stow/a/b/c', '../stow', 'a' ]
    => 'from target directory'
);

make_dir('stow');
cd('../..');
$stow->set_stow_dir("$OUT_DIR/target/stow");

is_deeply(
    [ $stow->find_stowed_path("$OUT_DIR/target/a/b/c", '../../stow/a/b/c') ],
    [ "$OUT_DIR/target/stow/a/b/c", "$OUT_DIR/target/stow", 'a' ]
    => 'stow is subdir of target directory'
);

is_deeply(
    [ $stow->find_stowed_path("$OUT_DIR/target/a/b/c",'../../empty') ],
    [ '', '', '' ]
    => 'target is not stowed'
);

make_dir("$OUT_DIR/target/stow2");
make_file("$OUT_DIR/target/stow2/.stow");

is_deeply(
    [ $stow->find_stowed_path("$OUT_DIR/target/a/b/c",'../../stow2/a/b/c') ],
    [ "$OUT_DIR/target/stow2/a/b/c", "$OUT_DIR/target/stow2", 'a' ]
    => q(detect alternate stow directory)
);

# Possible corner case with rogue symlink pointing to ancestor of
# stow dir.
is_deeply(
    [ $stow->find_stowed_path("$OUT_DIR/target/a/b/c",'../../..') ],
    [ '', '', '' ]
    => q(corner case - link points to ancestor of stow dir)
);