use strict; use warnings; use Test2::Tools::Tiny; { package Foo::Bar; use Test2::Util::ExternalMeta; use Test2::Util::HashBase qw/foo bar/; } ok(Foo::Bar->can($_), "Imported '$_'") for qw/meta get_meta set_meta delete_meta/; my $one = Foo::Bar->new(foo => 1, bar => 2); ok($one->isa('Foo::Bar'), "Got instance"); is_deeply($one, {foo => 1, bar => 2}, "nothing fishy.. yet"); is($one->get_meta('foo'), undef, "no meta-data for foo"); is($one->get_meta('bar'), undef, "no meta-data for bar"); is($one->get_meta('baz'), undef, "no meta-data for baz"); is($one->meta('foo'), undef, "no meta-data for foo"); is($one->meta('bar'), undef, "no meta-data for bar"); is($one->meta('baz'), undef, "no meta-data for baz"); is_deeply($one, {foo => 1, bar => 2}, "Still have not modified instance"); $one->set_meta('foo' => 123); is($one->foo, 1, "did not change attribute"); is($one->meta('foo'), 123, "get meta-data for foo"); is($one->get_meta('foo'), 123, "get meta-data for foo again"); $one->meta('foo', 345); is($one->foo, 1, "did not change attribute"); is($one->meta('foo', 678), 123, "did not alter already set meta-attribute"); is($one->get_meta('foo'), 123, "still did not alter already set meta-attribute"); is($one->meta('bar', 789), 789, "used default for bar"); is($one->bar, 2, "did not change attribute"); is_deeply( $one, { foo => 1, bar => 2, Test2::Util::ExternalMeta::META_KEY() => { foo => 123, bar => 789, }, }, "Stored meta-data" ); is($one->delete_meta('foo'), 123, "got old value on delete"); is($one->meta('foo'), undef, "no more value"); is_deeply( $one, { foo => 1, bar => 2, Test2::Util::ExternalMeta::META_KEY() => { bar => 789, }, }, "Deleted the meta key" ); done_testing;