t/syntax.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;
  20 use Test::Dpkg qw(:needs);
  21
  22 test_needs_srcdir_switch();
  23
  24 my @files = Test::Dpkg::all_perl_files();
  25
  26 plan tests => scalar @files;
  27
  28 my $PERL = $ENV{PERL} // $^X // 'perl';
  29
  30 # Detect compilation warnings that are not found with just «use warnings»,
  31 # such as redefinition of symbols from multiple imports. We cannot use
  32 # Test::Strict::syntax_ok because it does not pass -w to perl, and does not
  33 # check for other issues whenever perl states the syntax is ok.
  34 sub syntax_ok {
  35     my $file = shift;
  36
  37     my $eval = qx($PERL -cw \"$file\" 2>&1);
  38     my $ok = ($eval =~ s{^\Q$file\E syntax OK\n$}{}ms) && length $eval == 0;
  39
  40     ok($ok, "Compilation check $file");
  41     if (not $ok) {
  42         diag($eval);
  43     }
  44 }
  45
  46 for my $file (@files) {
  47     syntax_ok($file);
  48 }