From a193e05da9516baf524330e059841ba63a6a997c Mon Sep 17 00:00:00 2001
From: Karen Etheridge <karen@etheridge.ca>
Date: Thu, 29 Jul 2010 15:18:15 -0700
Subject: potential fixes for role problems.. doesnt solve everything though;
 will have to see if MX::ClassAttribute is partially to blame here (See
 https://rt.cpan.org/Public/Bug/Display.html?id=59844)

---
 lib/MooseX/AlwaysCoerce.pm | 12 +++++++-
 t/04-parameterized-roles.t | 71 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+), 1 deletion(-)
 create mode 100644 t/04-parameterized-roles.t

diff --git a/lib/MooseX/AlwaysCoerce.pm b/lib/MooseX/AlwaysCoerce.pm
index 0f2c398..96b6213 100644
--- a/lib/MooseX/AlwaysCoerce.pm
+++ b/lib/MooseX/AlwaysCoerce.pm
@@ -68,6 +68,7 @@ Use C<< coerce => 0 >> to disable a coercion explicitly.
     use namespace::autoclean;
     use Moose::Role;
     use Moose::Util::TypeConstraints;
+    use MooseX::ClassAttribute;
 
     around add_class_attribute => sub {
         my $next = shift;
@@ -82,18 +83,27 @@ Use C<< coerce => 0 >> to disable a coercion explicitly.
 }
 
 my (undef, undef, $init_meta) = Moose::Exporter->build_import_methods(
+
     install => [ qw(import unimport) ],
+
     class_metaroles => {
         attribute   => ['MooseX::AlwaysCoerce::Role::Meta::Attribute'],
         class       => ['MooseX::AlwaysCoerce::Role::Meta::Class'],
     },
+
+    also            => ['MooseX::ClassAttribute'],
 );
 
 sub init_meta {
     my ($class, %options) = @_;
     my $for_class = $options{for_class};
 
-    MooseX::ClassAttribute->import({ into => $for_class });
+    # Bring this in only if we are being applied to a
+    # metaclass, but not a metarole.
+    if (Class::MOP::class_of($for_class)->isa('Class::MOP::Class'))
+    {
+        MooseX::ClassAttribute->import({ into => $for_class });
+    }
 
     # call generated method to do the rest of the work.
     goto $init_meta;
diff --git a/t/04-parameterized-roles.t b/t/04-parameterized-roles.t
new file mode 100644
index 0000000..1a296d6
--- /dev/null
+++ b/t/04-parameterized-roles.t
@@ -0,0 +1,71 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+
+use Test::More;
+
+BEGIN {
+    if (eval { require MooseX::Role::Parameterized }) {
+        plan tests => 8;
+    } else {
+        plan skip_all => 'This test needs MooseX::Role::Parameterized';
+    }
+}
+
+{
+    package Role;
+    use MooseX::Role::Parameterized;
+    use MooseX::AlwaysCoerce;
+    use Moose::Util::TypeConstraints;
+
+    # I do nothing!
+    role {};
+    use Moose::Util::TypeConstraints;
+
+    subtype 'MyType', as 'Int';
+    coerce 'MyType', from 'Str', via { length $_ };
+
+    subtype 'Uncoerced', as 'Int';
+
+    has foo => (is => 'rw', isa => 'MyType');
+
+    class_has bar => (is => 'rw', isa => 'MyType');
+
+    class_has baz => (is => 'rw', isa => 'MyType', coerce => 0);
+
+    has quux => (is => 'rw', isa => 'MyType', coerce => 0);
+
+    has uncoerced_attr => (is => 'rw', isa => 'Uncoerced');
+
+    class_has uncoerced_class_attr => (is => 'rw', isa => 'Uncoerced');
+}
+
+{
+    package Foo;
+    use Moose;
+    with 'Role';
+}
+
+package main;
+use Test::Exception;
+use Test::NoWarnings;
+
+ok( (my $instance = MyClass->new), 'instance' );
+
+lives_ok { $instance->foo('bar') } 'attribute coercion ran';
+
+lives_ok { $instance->bar('baz') } 'class attribute coercion ran';
+
+dies_ok { $instance->baz('quux') }
+    'class attribute coercion did not run with coerce => 0';
+
+dies_ok { $instance->quux('mtfnpy') }
+    'attribute coercion did not run with coerce => 0';
+
+lives_ok { $instance->uncoerced_attr(10) }
+    'set attribute having type with no coercion and no coerce=0';
+
+lives_ok { $instance->uncoerced_class_attr(10) }
+    'set class attribute having type with no coercion and no coerce=0';
+
+
-- 
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