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TOBYINK / Type-Tiny-2.008001 / t / 20-modules / Type-Tiny-Role / errors.t 

            

              
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=pod
=encoding utf-8
=head1 PURPOSE
Checks role type constraints throw sane error messages.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014, 2017-2025 by Toby Inkster.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
use strict;
use warnings;
use lib qw( ./lib ./t/lib ../inc ./inc );
use Test::More;
use Test::Fatal;
use Types::Standard qw(Int);
use Type::Tiny::Role;
like(
        exception { Type::Tiny::Role->new(parent => Int, role => 'Foo') },
        qr/^Role type constraints cannot have a parent/,
);
like(
        exception { Type::Tiny::Role->new(constraint => sub { 1 }, role => 'Foo') },
        qr/^Role type constraints cannot have a constraint coderef/,
);
like(
        exception { Type::Tiny::Role->new(inlined => sub { 1 }, role => 'Foo') },
        qr/^Role type constraints cannot have an inlining coderef/,
);
like(
        exception { Type::Tiny::Role->new() },
        qr/^Need to supply role name/,
);
{
        package Bar;
        sub new { bless [], shift }
        sub DOES { 0 }
}
{
        my $e = exception {
                Type::Tiny::Role
                        ->new(name => "Elsa", role => "Foo")
                        ->assert_valid( Bar->new );
        };
        like(
                $e->message,
                qr/did not pass type constraint "Elsa" \(not DOES Foo\)/,
        );
        is_deeply(
                $e->explain,
                [
                        '"Elsa" requires that the reference does Foo',
                        "The reference doesn't Foo",
                ],
        ) or diag explain($e->explain);
}
{
        my $e = exception {
                Type::Tiny::Role
                        ->new(role => "Foo")
                        ->assert_valid( Bar->new );
        };
        like(
                $e->message,
                qr/did not pass type constraint \(not DOES Foo\)/,
        );
        is_deeply(
                $e->explain,
                [
                        '"__ANON__" requires that the reference does Foo',
                        "The reference doesn't Foo",
                ],
        ) or diag explain($e->explain);
}
done_testing;