Mouse::Role improved

[gitmo/Mouse.git] / t / 030_roles / failing / 025_role_composition_override.t

#!/usr/bin/perl

use strict;
use warnings;

use Test::More tests => 8;
use Test::Exception;

use Mouse::Meta::Role::Application::RoleSummation;
use Mouse::Meta::Role::Composite;

{
    package Role::Foo;
    use Mouse::Role;

    override foo => sub { 'Role::Foo::foo' };

    package Role::Bar;
    use Mouse::Role;

    override bar => sub { 'Role::Bar::bar' };

    package Role::FooConflict;
    use Mouse::Role;

    override foo => sub { 'Role::FooConflict::foo' };

    package Role::FooMethodConflict;
    use Mouse::Role;

    sub foo { 'Role::FooConflict::foo' }

    package Role::BarMethodConflict;
    use Mouse::Role;

    sub bar { 'Role::BarConflict::bar' }
}

# test simple overrides
{
    my $c = Mouse::Meta::Role::Composite->new(
        roles => [
            Role::Foo->meta,
            Role::Bar->meta,
        ]
    );
    isa_ok($c, 'Mouse::Meta::Role::Composite');

    is($c->name, 'Role::Foo|Role::Bar', '... got the composite role name');

    lives_ok {
        Mouse::Meta::Role::Application::RoleSummation->new->apply($c);
    } '... this lives ok';

    is_deeply(
        [ sort $c->get_method_modifier_list('override') ],
        [ 'bar', 'foo' ],
        '... got the right list of methods'
    );
}

# test simple overrides w/ conflicts
dies_ok {
    Mouse::Meta::Role::Application::RoleSummation->new->apply(
        Mouse::Meta::Role::Composite->new(
            roles => [
                Role::Foo->meta,
                Role::FooConflict->meta,
            ]
        )
    );
} '... this fails as expected';

# test simple overrides w/ conflicts
dies_ok {
    Mouse::Meta::Role::Application::RoleSummation->new->apply(
        Mouse::Meta::Role::Composite->new(
            roles => [
                Role::Foo->meta,
                Role::FooMethodConflict->meta,
            ]
        )
    );
} '... this fails as expected';


# test simple overrides w/ conflicts
dies_ok {
    Mouse::Meta::Role::Application::RoleSummation->new->apply(
        Mouse::Meta::Role::Composite->new(
            roles => [
                Role::Foo->meta,
                Role::Bar->meta,
                Role::FooConflict->meta,
            ]
        )
    );
} '... this fails as expected';


# test simple overrides w/ conflicts
dies_ok {
    Mouse::Meta::Role::Application::RoleSummation->new->apply(
        Mouse::Meta::Role::Composite->new(
            roles => [
                Role::Foo->meta,
                Role::Bar->meta,
                Role::FooMethodConflict->meta,
            ]
        )
    );
} '... this fails as expected';