#!/usr/bin/env perl
use strict;
use warnings;
use FindBin qw($Bin);
use File::Find;
use File::Spec;
sub slurp_file {
local (@ARGV, $/) = ($_[0]); <>
}
sub extract_synopsis {
my $string = shift || return;
my $head_or_cut = qr[head|cut]x;
if($string=~m/^=head1 SYNOPSIS\n(.*?)^=$head_or_cut/sm) {
my $extracted = $1;
my $begin_end = qr[begin|end]x;
$extracted=~s/\n^=$begin_end testinfo\n\n//smg; # remove test block
$extracted=~s/^\S.+?$//smg; # wipe out non code lines in pod
return $extracted;
} else {
return;
}
}
sub normalize_indent {
my $extracted = shift || return;
if($extracted=~m/([ \t]+)(\S+)/) {
$extracted=~s/^$1//gsm;
return $extracted;
} else {
return;
}
}
sub create_test_string {
my $extracted = shift || return;
return <<TEST
use strict;
use warnings FATAL => 'all';
use Test::More qw(no_plan);
$extracted
TEST
}
sub create_test_path_from_lib {
my $module_name = shift;
$module_name =~s/\.pm$//;
return File::Spec->catfile($Bin, '..', 't', 'synopsis', lc($module_name).'.t');
}
sub create_or_update_test_file {
my ($target, $synopsis_string) = @_;
return unless $synopsis_string && $target;
print "Writing $target\n";
open my $syn_test, '>', $target
or die "Couldn't open $target - you screwed something up. Go fix it.\n";
print $syn_test $synopsis_string;
}
sub wanted {
my $target_path =
create_test_path_from_lib $_;
my $synopsis_string =
create_test_string
normalize_indent
extract_synopsis
slurp_file $File::Find::name;
create_or_update_test_file
$target_path,
$synopsis_string,
}
find(\&wanted, File::Spec->catfile($Bin, '..', 'lib'));