Moose-2.1405HEADMoose-2.1405master

1 files changed, 124 insertions, 0 deletions

diff --git a/t/cmop/new_and_clone_metaclasses.t b/t/cmop/new_and_clone_metaclasses.t
new file mode 100644
index 0000000..1212c97
--- /dev/null
+++ b/t/cmop/new_and_clone_metaclasses.t
@@ -0,0 +1,124 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Fatal;
+
+use Class::MOP;
+
+use lib 't/cmop/lib';
+
+# make sure the Class::MOP::Class->meta does the right thing
+
+my $meta = Class::MOP::Class->meta();
+isa_ok($meta, 'Class::MOP::Class');
+
+my $new_meta = $meta->new_object('package' => 'Class::MOP::Class');
+isa_ok($new_meta, 'Class::MOP::Class');
+is($new_meta, $meta, '... it still creates the singleton');
+
+my $cloned_meta = $meta->clone_object($meta);
+isa_ok($cloned_meta, 'Class::MOP::Class');
+is($cloned_meta, $meta, '... it creates the singleton even if you try to clone it');
+
+# make sure other metaclasses do the right thing
+
+{
+    package Foo;
+    use metaclass;
+}
+
+my $foo_meta = Foo->meta;
+isa_ok($foo_meta, 'Class::MOP::Class');
+
+is($meta->new_object('package' => 'Foo'), $foo_meta, '... got the right Foo->meta singleton');
+is($meta->clone_object($foo_meta), $foo_meta, '... cloning got the right Foo->meta singleton');
+
+# make sure subclassed of Class::MOP::Class do the right thing
+
+my $my_meta = MyMetaClass->meta;
+isa_ok($my_meta, 'Class::MOP::Class');
+
+my $new_my_meta = $my_meta->new_object('package' => 'MyMetaClass');
+isa_ok($new_my_meta, 'Class::MOP::Class');
+is($new_my_meta, $my_meta, '... even subclasses still create the singleton');
+
+my $cloned_my_meta = $meta->clone_object($my_meta);
+isa_ok($cloned_my_meta, 'Class::MOP::Class');
+is($cloned_my_meta, $my_meta, '... and subclasses creates the singleton even if you try to clone it');
+
+is($my_meta->new_object('package' => 'Foo'), $foo_meta, '... got the right Foo->meta singleton (w/subclass)');
+is($meta->clone_object($foo_meta), $foo_meta, '... cloning got the right Foo->meta singleton (w/subclass)');
+
+# now create a metaclass for real
+
+my $bar_meta = $my_meta->new_object('package' => 'Bar');
+isa_ok($bar_meta, 'Class::MOP::Class');
+
+is($bar_meta->name, 'Bar', '... got the right name for the Bar metaclass');
+is($bar_meta->version, undef, '... Bar does not exists, so it has no version');
+
+$bar_meta->superclasses('Foo');
+
+# check with MyMetaClass
+
+{
+    package Baz;
+    use metaclass 'MyMetaClass';
+}
+
+my $baz_meta = Baz->meta;
+isa_ok($baz_meta, 'Class::MOP::Class');
+isa_ok($baz_meta, 'MyMetaClass');
+
+is($my_meta->new_object('package' => 'Baz'), $baz_meta, '... got the right Baz->meta singleton');
+is($my_meta->clone_object($baz_meta), $baz_meta, '... cloning got the right Baz->meta singleton');
+
+$baz_meta->superclasses('Bar');
+
+# now create a regular objects for real
+
+my $foo = $foo_meta->new_object();
+isa_ok($foo, 'Foo');
+
+my $bar = $bar_meta->new_object();
+isa_ok($bar, 'Bar');
+isa_ok($bar, 'Foo');
+
+my $baz = $baz_meta->new_object();
+isa_ok($baz, 'Baz');
+isa_ok($baz, 'Bar');
+isa_ok($baz, 'Foo');
+
+my $cloned_foo = $foo_meta->clone_object($foo);
+isa_ok($cloned_foo, 'Foo');
+
+isnt($cloned_foo, $foo, '... $cloned_foo is a new object different from $foo');
+
+# check some errors
+
+isnt( exception {
+    $foo_meta->clone_object($meta);
+}, undef, '... this dies as expected' );
+
+# test stuff
+
+{
+    package FooBar;
+    use metaclass;
+
+    FooBar->meta->add_attribute('test');
+}
+
+my $attr = FooBar->meta->get_attribute('test');
+isa_ok($attr, 'Class::MOP::Attribute');
+
+my $attr_clone = $attr->clone();
+isa_ok($attr_clone, 'Class::MOP::Attribute');
+
+isnt($attr, $attr_clone, '... we successfully cloned our attributes');
+is($attr->associated_class,
+   $attr_clone->associated_class,
+   '... we successfully did not clone our associated metaclass');
+
+done_testing;