From: Guillermo Roditi <groditi@gmail.com>
Date: Thu, 15 Nov 2007 21:58:47 +0000 (+0000)
Subject: bug in inlined constructor and tests
X-Git-Tag: 0_30^0
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=394ccef8cee76509bd8cc4039ea8d07cb325bdbf;p=gitmo%2FMoose.git

bug in inlined constructor and tests
---

diff --git a/Changes b/Changes
index a8a1b14..caa9e8d 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for Perl extension Moose
 
+    * Moose::Meta::Method::Constructor
+      -builder related bug in inlined constructor. (groditi)
+
     * Moose::Meta::Method::Accessor
       - genereate unnecessary calls to predicates and refactor
         code generation for runtime speed (groditi)
@@ -7,6 +10,11 @@ Revision history for Perl extension Moose
     * Moose::Util::TypeConstraints
       - fix ClassName constraint to introspect symbol table
 
+    * t/ 
+      - New tests for builder bug. Upon instantiation, if an
+        attribute had a builder, no value and was not lazy the
+        builder default was not getting run, oops. (groditi)
+
 0.29 Tues. Nov. 13, 2007
     * Moose::Meta::Attribute
       - Fix error message on missing builder method (groditi)
diff --git a/lib/Moose/Meta/Method/Constructor.pm b/lib/Moose/Meta/Method/Constructor.pm
index c43f520..337051e 100644
--- a/lib/Moose/Meta/Method/Constructor.pm
+++ b/lib/Moose/Meta/Method/Constructor.pm
@@ -7,7 +7,7 @@ use warnings;
 use Carp         'confess';
 use Scalar::Util 'blessed', 'weaken', 'looks_like_number';
 
-our $VERSION   = '0.02';
+our $VERSION   = '0.03';
 our $AUTHORITY = 'cpan:STEVAN';
 
 use base 'Moose::Meta::Method';
@@ -116,7 +116,7 @@ sub _generate_slot_initializer {
                         '|| confess "Attribute (' . $attr->name . ') is required";');
     }
 
-    if ($attr->has_default && !($is_moose && $attr->is_lazy)) {
+    if (($attr->has_default || $attr->has_builder) && !($is_moose && $attr->is_lazy)) {
 
         push @source => 'if (exists $params{\'' . $attr->init_arg . '\'}) {';
 
@@ -134,8 +134,13 @@ sub _generate_slot_initializer {
 
         push @source => "} else {";
 
-            my $default = $self->_generate_default_value($attr, $index);
-
+            my $default;
+            if( $attr->has_default ){
+                $default = $self->_generate_default_value($attr, $index);
+            } else {
+               my $builder = $attr->builder;
+               $default = '$instance->' . $builder;
+            }
             push @source => ('my $val = ' . $default . ';');
             push @source => $self->_generate_type_constraint_check(
                 $attr,
diff --git a/t/300_immutable/001_immutable_moose.t b/t/300_immutable/001_immutable_moose.t
index bf21347..77df718 100644
--- a/t/300_immutable/001_immutable_moose.t
+++ b/t/300_immutable/001_immutable_moose.t
@@ -3,7 +3,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => 14;
+use Test::More tests => 16;
 use Test::Exception;
 
 BEGIN {
@@ -25,8 +25,10 @@ BEGIN {
   #there is a TC present.
   has 'foos' => (is => 'ro', lazy_build => 1);
   has 'bars' => (isa => 'Str', is => 'ro', lazy_build => 1);
-  sub _build_foos{ "many foos" }
-  sub _build_bars{ "many bars" }
+  has 'bazes' => (isa => 'Str', is => 'ro', builder => '_build_bazes');
+  sub _build_foos  { "many foos" }
+  sub _build_bars  { "many bars" }
+  sub _build_bazes { "many bazes" }
 }
 
 {
@@ -34,13 +36,15 @@ BEGIN {
   my $meta = Foo->meta;
 
   lives_ok{ Foo->new                    } "lazy_build works";
-  is(Foo->new->foos, 'many foos'        , "correct value for 'foos'");
-  is(Foo->new->bars, 'many bars'        , "correct value for 'bars'");
+  is(Foo->new->foos, 'many foos'        , "correct value for 'foos'  before inlining constructor");
+  is(Foo->new->bars, 'many bars'        , "correct value for 'bars'  before inlining constructor");
+  is(Foo->new->bazes, 'many bazes'      , "correct value for 'bazes' before inlining constructor");
   lives_ok{ $meta->make_immutable       } "Foo is imutable";
   dies_ok{  $meta->add_role($foo_role)  } "Add Role is locked";
   lives_ok{ Foo->new                    } "Inlined constructor works with lazy_build";
-  is(Foo->new->foos, 'many foos'        , "correct value for 'foos'");
-  is(Foo->new->bars, 'many bars'        , "correct value for 'bars'");
+  is(Foo->new->foos, 'many foos'        , "correct value for 'foos'  after inlining constructor");
+  is(Foo->new->bars, 'many bars'        , "correct value for 'bars'  after inlining constructor");
+  is(Foo->new->bazes, 'many bazes'      , "correct value for 'bazes' after inlining constructor");
   lives_ok{ $meta->make_mutable         } "Foo is mutable";
   lives_ok{ $meta->add_role($foo_role)  } "Add Role is unlocked";