File Coverage

blib/lib/Mock/Data/Plugin/Text.pm

Criterion	Covered	Total	%
statement	53	53	100.0
branch	17	26	65.3
condition	25	49	51.0
subroutine	10	10	100.0
pod	3	4	75.0
total	108	142	76.0

package Mock::Data::Plugin::Text;
use strict;
use warnings;
use Carp;
our @CARP_NOT= qw( Mock::Data Mock::Data::Util );
use Scalar::Util 'blessed';
use Mock::Data::Charset;
use Mock::Data::Util 'coerce_generator';
require Exporter;
our @ISA= qw( Exporter );
our @EXPORT_OK= qw( word words lorem_ipsum join );

# ABSTRACT: Mock::Data plugin that provides text-related generators
our $VERSION = '0.02'; # VERSION


our $word_generator;
sub apply_mockdata_plugin {
	my ($class, $mockdata)= @_;
	$mockdata->add_generators(
		'Text::join'        => \&join,
		'Text::word'        => $word_generator,
		'Text::words'       => \&words,
		'Text::lorem_ipsum' => \&lorem_ipsum,
	);
}


sub join {
	my $mockdata= shift;
	my $opts= @_ && ref $_[0] eq 'HASH'? shift : undef;
	my $sep= $_[0] // ($opts && $opts->{sep}) // ' ';
	my $source= $_[1] // ($opts && $opts->{source}) // Carp::croak("Parameter 'source' is required");
	my $count= $_[2] // ($opts && $opts->{count}) // 1;
	my $len= $opts? $opts->{len} : undef;
	my $max_len= $opts? $opts->{max_len} : undef;

	my @source_generators= map coerce_generator($_), ref $source eq 'ARRAY'? @$source : ( $source );
	my $buf= $source_generators[0]->generate($mockdata);
	my $src_i= 1;
	if (defined $len) {
		while (length($buf) < $len && (!defined $max_len or length($buf) + length($sep) < $max_len)) {
			$buf .= $sep . $source_generators[$src_i++ % scalar @source_generators]->generate($mockdata);
		}
	} else {
		my $lim= $count * scalar @source_generators;
		while ($src_i < $lim && (!defined $max_len or length($buf) + length($sep) < $max_len)) {
			$buf .= $sep . $source_generators[$src_i++ % scalar @source_generators]->generate($mockdata);
		}
	}
	substr($buf, $max_len)= ''
		if defined $max_len && length($buf) > $max_len;
	return $buf;
}


$word_generator= Mock::Data::Charset->new(
	notation => 'a-z',
	str_len => sub { 1 + int(rand 3 + rand 3 + rand 4) }
);
*word= $word_generator->compile;

sub words {
	my $mockdata= shift;
	my %opts= @_ && ref $_[0] eq 'HASH'? %{ shift() } : ();
	if (@_) {
		@opts{'len','max_len'}= ref $_[0] eq 'ARRAY'? @{$_[0]} : @_[0,0];
	}
	$opts{source} //= $mockdata->generators->{word};

	$mockdata->call('join', \%opts);
}


my $lorem_ipsum_classic=
 "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor "
."incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis "
."nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.  "
."Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu "
."fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in "
."culpa qui officia deserunt mollit anim id est laborum.  ";

sub lorem_ipsum {
	my $mockdata= shift;
	my $len= @_ > 1? $_[1] : !ref $_[0]? $_[0] : ref $_[0] eq 'HASH'? $_[0]{len} : undef;
	return $lorem_ipsum_classic
		unless defined $len;
	my $ret= $lorem_ipsum_classic x int(1+($len/length $lorem_ipsum_classic));
	substr($ret, $len)= '';
	$ret =~ s/\s+$//;
	return $ret;
}

1;

__END__