# Perl - Test Interface Test if a class implements an interface, using Role::Inspector ## SYNOPSIS To create an Interface: ```perl package MyProject::Foo::Interface; use Role::MethodReturns; around my_foo_method => class_method ( Str, $foo, Int $bar ) { returns_object_does_interface( 'MyProject::Bar::Interface'( $original->( $class => ( $foo, $bar ) ) } ``` And in some implementation: ```perl package MyProject::Foo sub my_foo_method { ... } ... ``` And in tests: ```perl use Test::Most; use Test::Interface; interface_ok('MyProject::Foo', 'MyProject::Foo::Interface', "huray! We implemented all methods!!" done_testing(); ``` ## LICENSE INFORMATION This package is free software; you can redistribute it and/or modify it under the terms of the Artistic License 2.0. This package is distributed in the hope that it will be useful, but it is provided “as is” and without any express or implied warranties. For details, see the full text of the license in the file LICENSE.