scripts/t/Dpkg_File.t

   1 #!/usr/bin/perl
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  15
  16 use strict;
  17 use warnings;
  18
  19 use Test::More tests => 10;
  20 use Test::Dpkg qw(:paths);
  21
  22 use File::Compare;
  23 use File::Path qw(rmtree);
  24
  25 BEGIN {
  26     use_ok('Dpkg::File');
  27 }
  28
  29 my $datadir = test_get_data_path();
  30 my $tempdir = test_get_temp_path();
  31
  32 my ($data, $data_ref, $data_fh);
  33
  34 $data = file_slurp("$datadir/slurp-me");
  35 $data_ref = <<'DATA';
  36 first line
  37 next line
  38 final line
  39 DATA
  40 is($data, $data_ref, 'slurped data');
  41
  42 file_dump("$tempdir/slurp-me", $data);
  43 ok(compare("$tempdir/slurp-me", "$datadir/slurp-me") == 0,
  44     'dumped slurped data');
  45
  46 open $data_fh, '<', "$datadir/slurp-me"
  47     or die "cannot open $datadir/slurp-me for reading: $!";
  48 my $discard = <$data_fh>;
  49 $data = file_slurp($data_fh);
  50 close $data_fh;
  51 $data_ref = <<'DATA';
  52 next line
  53 final line
  54 DATA
  55 is($data, $data_ref, 'slurped partial data');
  56
  57 file_dump("$tempdir/dump-partial", $data);
  58 ok(compare("$tempdir/dump-partial", "$datadir/dump-partial") == 0,
  59     'dumped slurped partial data');
  60
  61 open $data_fh, '>', "$tempdir/append-me"
  62     or die "cannot create $tempdir/append-me: $!";
  63 print { $data_fh } "append line\n";
  64 file_dump($data_fh, "new line\nend line\n");
  65 close $data_fh;
  66 ok(compare("$tempdir/append-me", "$datadir/append-me") == 0,
  67     'dumped appended data');
  68
  69 $data = undef;
  70 eval {
  71     $data = file_slurp("$datadir/non-existent");
  72 };
  73 ok($@, 'cannot slurp missing file');
  74
  75 ok(! -e "$tempdir/touched", 'file to be touched does not exist');
  76 file_touch("$tempdir/touched");
  77 ok(-e "$tempdir/touched", 'touched file exists');
  78 ok(-z "$tempdir/touched", 'touched file is empty');