=pod
=encoding utf-8
=head1 PURPOSE
Checks union 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) 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 ArrayRef);
use Type::Tiny::Union;
like(
exception { Type::Tiny::Union->new(parent => Int) },
qr/^Union type constraints cannot have a parent constraint/,
);
like(
exception { Type::Tiny::Union->new(constraint => sub { 1 }) },
qr/^Union type constraints cannot have a constraint coderef/,
);
like(
exception { Type::Tiny::Union->new(inlined => sub { 1 }) },
qr/^Union type constraints cannot have a inlining coderef/,
);
like(
exception { Type::Tiny::Union->new() },
qr/^Need to supply list of type constraints/,
);
my $e = exception {
Type::Tiny::Union
->new(name => "Elsa", type_constraints => [Int, ArrayRef[Int]])
->assert_valid( 3.14159 );
};
is_deeply(
$e->explain,
[
'"Int|ArrayRef[Int]" requires that the value pass "ArrayRef[Int]" or "Int"',
'Value "3.14159" did not pass type constraint "Int"',
' Value "3.14159" did not pass type constraint "Int"',
' "Int" is defined as: (defined($_) and !ref($_) and $_ =~ /\\A-?[0-9]+\\z/)',
'Value "3.14159" did not pass type constraint "ArrayRef[Int]"',
' "ArrayRef[Int]" is a subtype of "ArrayRef"',
' "ArrayRef" is a subtype of "Ref"',
' Value "3.14159" did not pass type constraint "Ref"',
' "Ref" is defined as: (!!ref($_))',
],
) or diag explain($e->explain);
done_testing;