=pod
=encoding utf-8
=head1 PURPOSE
Checks class 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 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::Class;
like(
exception { Type::Tiny::Class->new(parent => Int) },
qr/^Class type constraints cannot have a parent constraint/,
);
like(
exception { Type::Tiny::Class->new(constraint => sub { 1 }) },
qr/^Class type constraints cannot have a constraint coderef/,
);
like(
exception { Type::Tiny::Class->new(inlined => sub { 1 }) },
qr/^Class type constraints cannot have a inlining coderef/,
);
like(
exception { Type::Tiny::Class->new() },
qr/^Need to supply class name/,
);
{
package Quux;
our @ISA = qw();
sub new { bless [], shift }
}
{
package Quuux;
our @ISA = qw();
}
{
package Baz;
our @ISA = qw(Quuux);
}
{
package Bar;
our @ISA = qw(Baz Quux);
}
my $e = exception {
Type::Tiny::Class
->new(name => "Elsa", class => "Foo")
->assert_valid( Bar->new );
};
is_deeply(
$e->explain,
[
'"Elsa" requires that the reference isa Foo',
'The reference isa Bar, Baz, Quuux, and Quux',
],
);
done_testing;