=pod
=encoding utf-8
=head1 PURPOSE
Test the C<fresh> and C<override> traits for subs.
=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 Test::More;
use Test::Fatal;
package Example1 {
use Moo;
use Scalar::Util qw(blessed);
}
package R1 {
use Moo::Role;
use Kavorka;
method blammo () { 2 }
}
package Example2 {
use Moo;
use Kavorka;
extends 'Example1';
with 'R1';
::like(
::exception {
method blessed () is fresh { 1 }
},
qr/^Method 'blessed' already exists in inheritance hierarchy; possible namespace pollution; not fresh/,
"the `fresh` trait complains about overriding namespace pollution",
);
::is(
::exception {
method blasted () is fresh { 1 }
},
undef,
"the `fresh` trait does not complain when installing a fresh, new method",
);
}
package Example3 {
use Moo;
use Kavorka;
extends 'Example2';
::like(
::exception {
method blasted () is fresh { 1 }
},
qr/^Method 'blasted' is inherited from 'Example2'; not fresh/,
"the `fresh` trait complains about overriding methods in superclass",
);
::like(
::exception {
method blammo () is fresh { 1 }
},
qr/^Method 'blammo' is provided by role 'R1'; not fresh/,
"the `fresh` trait complains about overriding methods already provided by a role",
);
::is(
::exception {
method blasted () is override { 1 }
},
undef,
"the `override` trait does not complain when overriding methods in superclass",
);
::is(
::exception {
method blammo () is override { 1 }
},
undef,
"the `override` trait does not complain when overriding methods already provided by a role",
);
::like(
::exception {
method blighty () is override { 1 }
},
qr/^Method 'blighty' does not exist in inheritance hierarchy; cannot override/,
"the `override` trait complains when installing a fresh, new method",
);
}
done_testing;