t/find_stowed_path.t

   1 #!/usr/bin/perl
   2 #
   3 # This file is part of GNU Stow.
   4 #
   5 # GNU Stow is free software: you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # GNU Stow is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program. If not, see https://www.gnu.org/licenses/.
  17
  18 #
  19 # Testing find_stowed_path()
  20 #
  21
  22 use strict;
  23 use warnings;
  24
  25 use Test::More tests => 18;
  26
  27 use testutil;
  28 use Stow::Util qw(set_debug_level);
  29
  30 init_test_dirs();
  31
  32 my $stow = new_Stow(dir => "$TEST_DIR/stow");
  33 #set_debug_level(4);
  34
  35 my ($path, $stow_path, $package) =
  36     $stow->find_stowed_path("$TEST_DIR/target/a/b/c", "../../../stow/a/b/c");
  37 is($path, "$TEST_DIR/stow/a/b/c", "path");
  38 is($stow_path, "$TEST_DIR/stow", "stow path");
  39 is($package, "a", "package");
  40
  41 cd("$TEST_DIR/target");
  42 $stow->set_stow_dir("../stow");
  43 ($path, $stow_path, $package) =
  44     $stow->find_stowed_path("a/b/c", "../../../stow/a/b/c");
  45 is($path, "../stow/a/b/c", "path from target directory");
  46 is($stow_path, "../stow", "stow path from target directory");
  47 is($package, "a", "from target directory");
  48
  49 make_path("stow");
  50 cd("../..");
  51 $stow->set_stow_dir("$TEST_DIR/target/stow");
  52
  53 ($path, $stow_path, $package) =
  54     $stow->find_stowed_path("$TEST_DIR/target/a/b/c", "../../stow/a/b/c");
  55 is($path, "$TEST_DIR/target/stow/a/b/c", "path");
  56 is($stow_path, "$TEST_DIR/target/stow", "stow path");
  57 is($package, "a", "stow is subdir of target directory");
  58
  59 ($path, $stow_path, $package) =
  60     $stow->find_stowed_path("$TEST_DIR/target/a/b/c", "../../empty");
  61 is($path, "", "empty path");
  62 is($stow_path, "", "empty stow path");
  63 is($package, "", "target is not stowed");
  64
  65 # Make a second stow directory within the target directory, so that we
  66 # can check that links to package files within that second stow
  67 # directory are detected correctly.
  68 make_path("$TEST_DIR/target/stow2");
  69 make_file("$TEST_DIR/target/stow2/.stow");
  70
  71 ($path, $stow_path, $package) =
  72     $stow->find_stowed_path("$TEST_DIR/target/a/b/c", "../../stow2/a/b/c");
  73 is($path, "$TEST_DIR/target/stow2/a/b/c", "path");
  74 is($stow_path, "$TEST_DIR/target/stow2", "stow path");
  75 is($package, "a", "detect alternate stow directory");
  76
  77 # Possible corner case with rogue symlink pointing to ancestor of
  78 # stow dir.
  79 ($path, $stow_path, $package) =
  80     $stow->find_stowed_path("$TEST_DIR/target/a/b/c", "../../..");
  81 is($path, "", "path");
  82 is($stow_path, "", "stow path");
  83 is($package, "", "corner case - link points to ancestor of stow dir");