--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 35;
+use Test::Exception;
+
+
+
+{
+ package My::Role;
+ use Mouse::Role;
+
+ sub foo { 'Foo::foo' }
+ sub bar { 'Foo::bar' }
+ sub baz { 'Foo::baz' }
+
+ requires 'role_bar';
+
+ package My::Class;
+ use Mouse;
+
+ ::lives_ok {
+ with 'My::Role' => { alias => { bar => 'role_bar' } };
+ } '... this succeeds';
+
+ package My::Class::Failure;
+ use Mouse;
+
+ ::throws_ok {
+ with 'My::Role' => { alias => { bar => 'role_bar' } };
+ } qr/Cannot create a method alias if a local method of the same name exists/, '... this succeeds';
+
+ sub role_bar { 'FAIL' }
+}
+
+ok(My::Class->meta->has_method($_), "we have a $_ method") for qw(foo baz bar role_bar);
+
+{
+ package My::OtherRole;
+ use Mouse::Role;
+
+ ::lives_ok {
+ with 'My::Role' => { alias => { bar => 'role_bar' } };
+ } '... this succeeds';
+
+ sub bar { 'My::OtherRole::bar' }
+
+ package My::OtherRole::Failure;
+ use Mouse::Role;
+
+ ::throws_ok {
+ with 'My::Role' => { alias => { bar => 'role_bar' } };
+ } qr/Cannot create a method alias if a local method of the same name exists/, '... this succeeds';
+
+ sub role_bar { 'FAIL' }
+}
+
+ok(My::OtherRole->meta->has_method($_), "we have a $_ method") for qw(foo baz role_bar);
+ok(!My::OtherRole->meta->requires_method('bar'), '... and the &bar method is not required');
+ok(!My::OtherRole->meta->requires_method('role_bar'), '... and the &role_bar method is not required');
+
+{
+ package My::AliasingRole;
+ use Mouse::Role;
+
+ ::lives_ok {
+ with 'My::Role' => { alias => { bar => 'role_bar' } };
+ } '... this succeeds';
+}
+
+ok(My::AliasingRole->meta->has_method($_), "we have a $_ method") for qw(foo baz role_bar);
+ok(My::AliasingRole->meta->requires_method('bar'), '... and the &bar method is required');
+
+{
+ package Foo::Role;
+ use Mouse::Role;
+
+ sub foo { 'Foo::Role::foo' }
+
+ package Bar::Role;
+ use Mouse::Role;
+
+ sub foo { 'Bar::Role::foo' }
+
+ package Baz::Role;
+ use Mouse::Role;
+
+ sub foo { 'Baz::Role::foo' }
+
+ package My::Foo::Class;
+ use Mouse;
+
+ ::lives_ok {
+ with 'Foo::Role' => { alias => { 'foo' => 'foo_foo' }, excludes => 'foo' },
+ 'Bar::Role' => { alias => { 'foo' => 'bar_foo' }, excludes => 'foo' },
+ 'Baz::Role';
+ } '... composed our roles correctly';
+
+ package My::Foo::Class::Broken;
+ use Mouse;
+
+ ::throws_ok {
+ with 'Foo::Role' => { alias => { 'foo' => 'foo_foo' }, excludes => 'foo' },
+ 'Bar::Role' => { alias => { 'foo' => 'foo_foo' }, excludes => 'foo' },
+ 'Baz::Role';
+ } qr/\'Foo::Role\|Bar::Role\|Baz::Role\' requires the method \'foo_foo\' to be implemented by \'My::Foo::Class::Broken\'/,
+ '... composed our roles correctly';
+}
+
+{
+ my $foo = My::Foo::Class->new;
+ isa_ok($foo, 'My::Foo::Class');
+ can_ok($foo, $_) for qw/foo foo_foo bar_foo/;
+ is($foo->foo, 'Baz::Role::foo', '... got the right method');
+ is($foo->foo_foo, 'Foo::Role::foo', '... got the right method');
+ is($foo->bar_foo, 'Bar::Role::foo', '... got the right method');
+}
+
+{
+ package My::Foo::Role;
+ use Mouse::Role;
+
+ ::lives_ok {
+ with 'Foo::Role' => { alias => { 'foo' => 'foo_foo' }, excludes => 'foo' },
+ 'Bar::Role' => { alias => { 'foo' => 'bar_foo' }, excludes => 'foo' },
+ 'Baz::Role';
+ } '... composed our roles correctly';
+}
+
+ok(My::Foo::Role->meta->has_method($_), "we have a $_ method") for qw/foo foo_foo bar_foo/;;
+ok(!My::Foo::Role->meta->requires_method('foo'), '... and the &foo method is not required');
+
+
+{
+ package My::Foo::Role::Other;
+ use Mouse::Role;
+
+ ::lives_ok {
+ with 'Foo::Role' => { alias => { 'foo' => 'foo_foo' }, excludes => 'foo' },
+ 'Bar::Role' => { alias => { 'foo' => 'foo_foo' }, excludes => 'foo' },
+ 'Baz::Role';
+ } '... composed our roles correctly';
+}
+
+ok(!My::Foo::Role::Other->meta->has_method('foo_foo'), "we dont have a foo_foo method");
+ok(My::Foo::Role::Other->meta->requires_method('foo_foo'), '... and the &foo method is required');
+