Add length to String.

diff --git a/lib/MooseX/AttributeHelpers/MethodProvider/String.pm b/lib/MooseX/AttributeHelpers/MethodProvider/String.pm
index 716e9d4..21748a7 100644 (file)
--- a/lib/MooseX/AttributeHelpers/MethodProvider/String.pm
+++ b/lib/MooseX/AttributeHelpers/MethodProvider/String.pm
@@ -6,7 +6,7 @@ our $VERSION   = '0.21';
 $VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
-sub append : method { 
+sub append : method {
     my ($attr, $reader, $writer) = @_;
 
     return sub { $writer->( $_[0],  $reader->($_[0]) . $_[1] ) };
@@ -72,6 +72,14 @@ sub clear : method {
     return sub { $writer->( $_[0], '' ) }
 }
 
+sub length : method {
+    my ($attr, $reader, $writer) = @_;
+    return sub {
+        my $v = $reader->($_[0]);
+        return CORE::length($v);
+    };
+}
+
 sub substr : method {
     my ($attr, $reader, $writer) = @_;
     return sub {
@@ -104,10 +112,10 @@ __END__
 =head1 NAME
 
 MooseX::AttributeHelpers::MethodProvider::String
-  
+
 =head1 DESCRIPTION
 
-This is a role which provides the method generators for 
+This is a role which provides the method generators for
 L<MooseX::AttributeHelpers::String>.
 
 =head1 METHODS
@@ -138,13 +146,15 @@ L<MooseX::AttributeHelpers::String>.
 
 =item B<clear>
 
+=item B<length>
+
 =item B<substr>
 
 =back
 
 =head1 BUGS
 
-All complex software has bugs lurking in it, and this module is no 
+All complex software has bugs lurking in it, and this module is no
 exception. If you find a bug please either email me, or add the bug
 to cpan-RT.
 

diff --git a/t/007_basic_string.t b/t/007_basic_string.t
index 8ff483c..3763169 100644 (file)
--- a/t/007_basic_string.t
+++ b/t/007_basic_string.t
@@ -3,7 +3,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => 27;
+use Test::More tests => 30;
 
 BEGIN {
     use_ok('MooseX::AttributeHelpers');
@@ -28,6 +28,7 @@ BEGIN {
             chomp   => 'chomp_string',
             clear   => 'clear_string',
             substr  => 'sub_string',
+            length  => 'length_string',
         },
         curries  => {
             append  => {exclaim         => [ '!' ]},
@@ -42,13 +43,15 @@ my $page = MyHomePage->new();
 isa_ok($page, 'MyHomePage');
 
 is($page->string, '', '... got the default value');
+is($page->length_string, 0, '... length is zero');
 
 $page->string('a');
+is($page->length_string, 1, '... new string has length of one');
 
-$page->inc_string; 
+$page->inc_string;
 is($page->string, 'b', '... got the incremented value');
 
-$page->inc_string; 
+$page->inc_string;
 is($page->string, 'c', '... got the incremented value (again)');
 
 $page->append_string("foo$/");
@@ -70,6 +73,7 @@ is_deeply( [ $page->match_string(qr/([ao])/) ], [ "a" ], "match" );
 
 $page->replace_string(qr/([ao])/, sub { uc($1) });
 is($page->string, 'bArcfo', "substitution");
+is($page->length_string, 6, 'right length');
 
 $page->exclaim;
 is($page->string, 'bArcfo!', 'exclaim!');
@@ -104,7 +108,7 @@ is($string->helper_type, 'Str', '... got the expected helper type');
 
 is($string->type_constraint->name, 'Str', '... got the expected type constraint');
 
-is_deeply($string->provides, { 
+is_deeply($string->provides, {
     inc     => 'inc_string',
     append  => 'append_string',
     prepend => 'prepend_string',
@@ -114,5 +118,6 @@ is_deeply($string->provides, {
     chomp   => 'chomp_string',
     clear   => 'clear_string',
     substr  => 'sub_string',
+    length  => 'length_string',
 }, '... got the right provides methods');
 

diff --git a/t/207_trait_string.t b/t/207_trait_string.t
index 7eb470e..d6d6783 100644 (file)
--- a/t/207_trait_string.t
+++ b/t/207_trait_string.t
@@ -3,11 +3,11 @@
 use strict;
 use warnings;
 
-use Test::More tests => 27;
+use Test::More tests => 30;
 use Test::Moose 'does_ok';
 
 BEGIN {
-    use_ok('MooseX::AttributeHelpers');   
+    use_ok('MooseX::AttributeHelpers');
 }
 
 {
@@ -29,6 +29,7 @@ BEGIN {
             chomp   => 'chomp_string',
             clear   => 'clear_string',
             substr  => 'sub_string',
+            length  => 'length_string',
         },
         curries  => {
             append  => {exclaim         => [ '!' ]},
@@ -43,13 +44,15 @@ my $page = MyHomePage->new();
 isa_ok($page, 'MyHomePage');
 
 is($page->string, '', '... got the default value');
+is($page->length_string, 0, '... length is zero');
 
 $page->string('a');
+is($page->length_string, 1, '... new string has length of one');
 
-$page->inc_string; 
+$page->inc_string;
 is($page->string, 'b', '... got the incremented value');
 
-$page->inc_string; 
+$page->inc_string;
 is($page->string, 'c', '... got the incremented value (again)');
 
 $page->append_string("foo$/");
@@ -66,6 +69,7 @@ is($page->string, "cfo", 'chopped string');
 
 $page->prepend_string("bar");
 is($page->string, 'barcfo', 'prepended to string');
+is($page->length_string, 6, 'right length');
 
 is_deeply( [ $page->match_string(qr/([ao])/) ], [ "a" ], "match" );
 
@@ -105,7 +109,7 @@ is($string->helper_type, 'Str', '... got the expected helper type');
 
 is($string->type_constraint->name, 'Str', '... got the expected type constraint');
 
-is_deeply($string->provides, { 
+is_deeply($string->provides, {
     inc     => 'inc_string',
     append  => 'append_string',
     prepend => 'prepend_string',
@@ -115,5 +119,6 @@ is_deeply($string->provides, {
     chomp   => 'chomp_string',
     clear   => 'clear_string',
     substr  => 'sub_string',
+    length  => 'length_string',
 }, '... got the right provides methods');