use strict;
use warnings;
-use Test::More 'no_plan';
+use Test::More tests => 69;
use Moose::Util::MetaRole;
}
{
- package My::Meta::Attribute;
- use Moose;
- extends 'Moose::Meta::Attribute';
-}
-
-{
- package My::Meta::Method;
- use Moose;
- extends 'Moose::Meta::Method';
-}
-
-{
- package My::Meta::Instance;
- use Moose;
- extends 'Moose::Meta::Instance';
-}
-
-{
- package My::Meta::MethodConstructor;
- use Moose;
- extends 'Moose::Meta::Method::Constructor';
-}
-
-{
- package My::Meta::MethodDestructor;
- use Moose;
- extends 'Moose::Meta::Method::Destructor';
-}
-
-{
package Role::Foo;
use Moose::Role;
has 'foo' => ( is => 'ro', default => 10 );
ok( ( grep { $_ eq 'My::Meta::Class' } My::Class3->meta()->meta()->superclasses() ),
'apply_metaclass_roles() does not interfere with metaclass set via Moose->init_meta()' );
}
+
+{
+ package Role::Bar;
+ use Moose::Role;
+ has 'bar' => ( is => 'ro', default => 200 );
+}
+
+{
+ package My::Class4;
+ use Moose;
+}
+
+{
+ Moose::Util::MetaRole::apply_metaclass_roles(
+ for_class => 'My::Class4',
+ metaclass_roles => ['Role::Foo'],
+ );
+
+ ok( My::Class4->meta()->meta()->does_role('Role::Foo'),
+ 'apply Role::Foo to My::Class4->meta()' );
+
+ Moose::Util::MetaRole::apply_metaclass_roles(
+ for_class => 'My::Class4',
+ metaclass_roles => ['Role::Bar'],
+ );
+
+ ok( My::Class4->meta()->meta()->does_role('Role::Bar'),
+ 'apply Role::Bar to My::Class4->meta()' );
+ ok( My::Class4->meta()->meta()->does_role('Role::Foo'),
+ '... and My::Class4->meta() still does Role::Foo' );
+}
+
+{
+ package My::Class5;
+ use Moose;
+
+ extends 'My::Class';
+}
+
+{
+ ok( My::Class5->meta()->meta()->does_role('Role::Foo'),
+ q{My::Class5->meta()'s does Role::Foo because it extends My::Class} );
+ ok( My::Class5->meta()->attribute_metaclass()->meta()->does_role('Role::Foo'),
+ q{My::Class5->meta()'s attribute metaclass also does Role::Foo} );
+ ok( My::Class5->meta()->method_metaclass()->meta()->does_role('Role::Foo'),
+ q{My::Class5->meta()'s method metaclass also does Role::Foo} );
+ ok( My::Class5->meta()->instance_metaclass()->meta()->does_role('Role::Foo'),
+ q{My::Class5->meta()'s instance metaclass also does Role::Foo} );
+ ok( My::Class5->meta()->constructor_class()->meta()->does_role('Role::Foo'),
+ q{My::Class5->meta()'s constructor class also does Role::Foo} );
+ ok( My::Class5->meta()->destructor_class()->meta()->does_role('Role::Foo'),
+ q{My::Class5->meta()'s destructor class also does Role::Foo} );
+}
+
+{
+ Moose::Util::MetaRole::apply_metaclass_roles(
+ for_class => 'My::Class5',
+ metaclass_roles => ['Role::Bar'],
+ );
+
+ ok( My::Class5->meta()->meta()->does_role('Role::Bar'),
+ q{apply Role::Bar My::Class5->meta()} );
+ ok( My::Class5->meta()->meta()->does_role('Role::Foo'),
+ q{... and My::Class5->meta() still does Role::Foo} );
+}
+
+{
+ package My::Class6;
+ use Moose;
+
+ Moose::Util::MetaRole::apply_metaclass_roles(
+ for_class => 'My::Class6',
+ metaclass_roles => ['Role::Bar'],
+ );
+
+ extends 'My::Class';
+}
+
+{
+ ok( My::Class6->meta()->meta()->does_role('Role::Bar'),
+ q{apply Role::Bar My::Class6->meta() before extends} );
+ ok( My::Class6->meta()->meta()->does_role('Role::Foo'),
+ q{... and My::Class6->meta() does Role::Foo because My::Class6 extends My::Class} );
+}
+
+# This is the hack that used to be needed to work around the
+# _fix_metaclass_incompatibility problem. You called extends() (which
+# in turn calls _fix_metaclass_imcompatibility) _before_ you apply
+# more extensions in the subclass. We wabt to make sure this continues
+# to work in the future.
+{
+ package My::Class7;
+ use Moose;
+
+ # In real usage this would go in a BEGIN block so it happened
+ # before apply_metaclass_roles was called by an extension.
+ extends 'My::Class';
+
+ Moose::Util::MetaRole::apply_metaclass_roles(
+ for_class => 'My::Class7',
+ metaclass_roles => ['Role::Bar'],
+ );
+}
+
+{
+ ok( My::Class7->meta()->meta()->does_role('Role::Bar'),
+ q{apply Role::Bar My::Class7->meta() before extends} );
+ ok( My::Class7->meta()->meta()->does_role('Role::Foo'),
+ q{... and My::Class7->meta() does Role::Foo because My::Class7 extends My::Class} );
+}
+
+{
+ package My::Class8;
+ use Moose;
+
+ Moose::Util::MetaRole::apply_metaclass_roles(
+ for_class => 'My::Class8',
+ metaclass_roles => ['Role::Bar'],
+ attribute_metaclass_roles => ['Role::Bar'],
+ );
+
+ extends 'My::Class';
+}
+
+{
+ ok( My::Class8->meta()->meta()->does_role('Role::Bar'),
+ q{apply Role::Bar My::Class8->meta() before extends} );
+ ok( My::Class8->meta()->meta()->does_role('Role::Foo'),
+ q{... and My::Class8->meta() does Role::Foo because My::Class8 extends My::Class} );
+ ok( My::Class8->meta()->attribute_metaclass->meta()->does_role('Role::Bar'),
+ q{apply Role::Bar to My::Class8->meta()->attribute_metaclass before extends} );
+ ok( My::Class8->meta()->attribute_metaclass->meta()->does_role('Role::Foo'),
+ q{... and My::Class8->meta()->attribute_metaclass does Role::Foo because My::Class8 extends My::Class} );
+}
+
+
+{
+ package My::Class9;
+ use Moose;
+
+ Moose::Util::MetaRole::apply_metaclass_roles(
+ for_class => 'My::Class9',
+ attribute_metaclass_roles => ['Role::Bar'],
+ );
+
+ extends 'My::Class';
+}
+
+{
+ ok( My::Class9->meta()->meta()->does_role('Role::Foo'),
+ q{... and My::Class9->meta() does Role::Foo because My::Class9 extends My::Class} );
+ ok( My::Class9->meta()->attribute_metaclass->meta()->does_role('Role::Bar'),
+ q{apply Role::Bar to My::Class9->meta()->attribute_metaclass before extends} );
+ ok( My::Class9->meta()->attribute_metaclass->meta()->does_role('Role::Foo'),
+ q{... and My::Class9->meta()->attribute_metaclass does Role::Foo because My::Class9 extends My::Class} );
+}
+
+# This tests applying meta roles to a metaclass's metaclass. This is
+# completely insane, but is exactly what happens with
+# Fey::Meta::Class::Table. It's a subclass of Moose::Meta::Class
+# itself, and then it _uses_ MooseX::ClassAttribute, so the metaclass
+# for Fey::Meta::Class::Table does a role.
+#
+# At one point this caused a metaclass incompatibility error down
+# below, when we applied roles to the metaclass of My::Class10. It's
+# all madness but as long as the tests pass we're happy.
+{
+ package My::Meta::Class2;
+ use Moose;
+ extends 'Moose::Meta::Class';
+
+ Moose::Util::MetaRole::apply_metaclass_roles(
+ for_class => 'My::Meta::Class2',
+ metaclass_roles => ['Role::Foo'],
+ );
+}
+
+{
+ package My::Meta2;
+
+ use Moose::Exporter;
+ Moose::Exporter->setup_import_methods( also => 'Moose' );
+
+ sub init_meta {
+ shift;
+ my %p = @_;
+
+ Moose->init_meta( %p, metaclass => 'My::Meta::Class2' );
+ }
+}
+
+{
+ package My::Class10;
+ My::Meta2->import;
+
+ Moose::Util::MetaRole::apply_metaclass_roles(
+ for_class => 'My::Class10',
+ metaclass_roles => ['Role::Bar'],
+ );
+}
+
+{
+ ok( My::Class10->meta()->meta()->meta()->does_role('Role::Foo'),
+ q{My::Class10->meta()->meta() does Role::Foo } );
+ ok( My::Class10->meta()->meta()->does_role('Role::Bar'),
+ q{My::Class10->meta()->meta() does Role::Bar } );
+ ok( My::Class10->meta()->isa('My::Meta::Class2'),
+ q{... and My::Class10->meta still isa(My::Meta::Class2)} );
+}
projects / gitmo/Moose.git / blobdiff