#!/usr/bin/perl

# This file is part of Koha.

#

# Koha is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# Koha is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with Koha; if not, see <http://www.gnu.org/licenses>.

use Modern::Perl;

=head2 translate-templates.t

This test verifies that all staff and OPAC template

files can be processed by the string extractor

without error; such errors usually indicate a 

construct that the extractor cannot parse.

=cut

use Test::More;

use File::Temp qw/tempdir/;

use IPC::Open3;

use File::Spec;

use Symbol qw(gensym);

use FindBin qw($Bin);

use Cwd qw(abs_path);

use utf8;

my $po_dir = tempdir(CLEANUP => 1);

# Find OPAC themes

my $opac_dir  = 'koha-tmpl/opac-tmpl';

opendir ( my $dh, $opac_dir ) or die "can't opendir $opac_dir: $!";

my @opac_themes = grep { not /^\.|lib|js|xslt/ } readdir($dh);

close $dh;

# Find STAFF themes

my $staff_dir = 'koha-tmpl/intranet-tmpl';

opendir ( $dh, $staff_dir ) or die "can't opendir $staff_dir: $!";

my @staff_themes = grep { not /^\.|lib|js/ } readdir($dh);

close $dh;

my $misc_translator_dir = abs_path("$Bin/../../misc/translator");

chdir $misc_translator_dir; # for now, tmpl_process3.pl works only if run from its directory

# Check translatable of OPAC themes

for my $theme ( @opac_themes ) {

    test_string_extraction("opac_$theme",     "../../koha-tmpl/opac-tmpl/$theme/en",     $po_dir);

}

# Check translatable of STAFF themes

for my $theme ( @staff_themes ) {

    test_string_extraction("staff_$theme",     "../../koha-tmpl/intranet-tmpl/$theme/en",     $po_dir);

}

sub test_string_extraction {

    my $module       = shift;

    my $template_dir = shift;

    my $po_dir       = shift;

    my $command = "PERL5LIB=\$PERL5LIB:$misc_translator_dir ./tmpl_process3.pl create -i $template_dir -s $po_dir/$module.po -r --pedantic-warnings";

    open (NULL, ">", File::Spec->devnull); ## no critic (BarewordFileHandles)

    print NULL "foo"; # avoid warning;

    my $pid = open3(gensym, ">&NULL", \*PH, $command); 

    my @warnings;

    while (<PH>) {

        # ignore some noise on STDERR

        # the output of msmerge, that consist in .... followed by a "done" (localized), followed by a .

        # The "done" localized can include diacritics, so ignoring the whole word

        # FIXME PP: the flow is not correct UTF8, testing \p{IsLetter} does not work, but I think this regexp will do the job

        next if (/^\.+ .*\.$/);

        # other Koha-specific catses that should not worry us

        next if /^Warning: Can't determine original templates' charset/;

        next if /^Warning: Charset Out defaulting to/;

        next if /^Removing empty file /;

        next if /^I UTF-8 O UTF-8 at /;

        push @warnings, $_;

    }

    waitpid($pid, 0);

    ok($#warnings == -1, "$module templates are translatable") or diag join("\n", @warnings, '');

}

done_testing();

-