scripts/t/Dpkg_IPC.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 => 8;
  20
  21 use File::Temp qw(tempfile);
  22
  23 use Dpkg::File;
  24
  25 use_ok('Dpkg::IPC');
  26
  27 my ($tmp1_fh, $tmp1_name) = tempfile(UNLINK => 1);
  28 my ($tmp2_fh, $tmp2_name) = tempfile(UNLINK => 1);
  29
  30 my $string1 = "foo\nbar\n";
  31 my $string2;
  32
  33 file_dump($tmp1_name, $string1);
  34
  35 my $pid = spawn(exec => 'cat',
  36                 from_string => \$string1,
  37                 to_string => \$string2);
  38
  39 ok($pid, 'execute cat program, I/O to variables');
  40
  41 is($string2, $string1, '{from,to}_string');
  42
  43 $pid = spawn(exec => 'cat',
  44              from_handle => $tmp1_fh,
  45              to_handle => $tmp2_fh);
  46
  47 ok($pid, 'execute cat program, I/O to filehandles');
  48
  49 wait_child($pid);
  50
  51 $string2 = file_slurp($tmp2_name);
  52
  53 is($string2, $string1, '{from,to}_handle');
  54
  55 $pid = spawn(exec => 'cat',
  56              from_file => $tmp1_name,
  57              to_file => $tmp2_name,
  58              wait_child => 1);
  59
  60 ok($pid, 'execute cat program, I/O to filenames and wait');
  61
  62 $string2 = file_slurp($tmp2_name);
  63
  64 is($string2, $string1, '{from,to}_file');
  65
  66 eval {
  67     $pid = spawn(exec => ['sleep', '10'],
  68                  wait_child => 1,
  69                  timeout => 1);
  70 };
  71 ok($@, 'fails on timeout');