Moose-2.1405HEADMoose-2.1405master

1 files changed, 220 insertions, 0 deletions

diff --git a/t/cmop/make_mutable.t b/t/cmop/make_mutable.t
new file mode 100644
index 0000000..cf30738
--- /dev/null
+++ b/t/cmop/make_mutable.t
@@ -0,0 +1,220 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Fatal;
+
+use Scalar::Util;
+
+use Class::MOP;
+
+{
+    package Foo;
+
+    use strict;
+    use warnings;
+    use metaclass;
+
+    __PACKAGE__->meta->add_attribute('bar');
+
+    package Bar;
+
+    use strict;
+    use warnings;
+    use metaclass;
+
+    __PACKAGE__->meta->superclasses('Foo');
+
+    __PACKAGE__->meta->add_attribute('baz');
+
+    package Baz;
+
+    use strict;
+    use warnings;
+    use metaclass;
+
+    __PACKAGE__->meta->superclasses('Bar');
+
+    __PACKAGE__->meta->add_attribute('bah');
+}
+
+{
+    my $meta = Baz->meta;
+    is($meta->name, 'Baz', '... checking the Baz metaclass');
+    my %orig_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
+    # Since this has no default it won't be present yet, but it will
+    # be after the class is made immutable.
+
+    is( exception {$meta->make_immutable; }, undef, '... changed Baz to be immutable' );
+    ok(!$meta->is_mutable,              '... our class is no longer mutable');
+    ok($meta->is_immutable,             '... our class is now immutable');
+    ok($meta->make_immutable,           '... make immutable returns true');
+    ok($meta->get_method('new'),        '... inlined constructor created');
+    ok($meta->has_method('new'),        '... inlined constructor created for sure');
+    is_deeply([ map { $_->name } $meta->_inlined_methods ], [ 'new' ], '... really, i mean it');
+
+    is( exception { $meta->make_mutable; }, undef, '... changed Baz to be mutable' );
+    ok($meta->is_mutable,               '... our class is mutable');
+    ok(!$meta->is_immutable,            '... our class is not immutable');
+    ok(!$meta->make_mutable,            '... make mutable now returns nothing');
+    ok(!$meta->get_method('new'),       '... inlined constructor created');
+    ok(!$meta->has_method('new'),       '... inlined constructor removed for sure');
+
+    my %new_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
+    is_deeply(\%orig_keys, \%new_keys, '... no extraneous hashkeys');
+
+    isa_ok($meta, 'Class::MOP::Class', '... Baz->meta isa Class::MOP::Class');
+
+    $meta->add_method('xyz', sub{'xxx'});
+    is( Baz->xyz, 'xxx',                      '... method xyz works');
+
+    ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
+    ok(Baz->can('fickle'),                '... Baz can fickle');
+    ok($meta->remove_attribute('fickle'), '... removed attribute');
+
+    my $reef = \ 'reef';
+    $meta->add_package_symbol('$ref', $reef);
+    is($meta->get_package_symbol('$ref'), $reef,      '... values match');
+    is( exception { $meta->remove_package_symbol('$ref') }, undef, '... removed it' );
+    isnt($meta->get_package_symbol('$ref'), $reef,    '... values match');
+
+    ok( my @supers = $meta->superclasses,       '... got the superclasses okay');
+    ok( $meta->superclasses('Foo'),             '... set the superclasses');
+    is_deeply(['Foo'], [$meta->superclasses],   '... set the superclasses okay');
+    ok( $meta->superclasses( @supers ),         '... reset superclasses');
+    is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
+
+    ok( $meta->$_  , "... ${_} works")
+      for qw(get_meta_instance       get_all_attributes
+             class_precedence_list );
+
+    is( exception {$meta->make_immutable; }, undef, '... changed Baz to be immutable again' );
+    ok($meta->get_method('new'),    '... inlined constructor recreated');
+}
+
+{
+    my $meta = Baz->meta;
+
+    is( exception { $meta->make_immutable() }, undef, 'Changed Baz to be immutable' );
+    is( exception { $meta->make_mutable() }, undef, '... changed Baz to be mutable' );
+    is( exception { $meta->make_immutable() }, undef, '... changed Baz to be immutable' );
+
+    isnt( exception { $meta->add_method('xyz', sub{'xxx'})  }, undef, '... exception thrown as expected' );
+
+    isnt( exception {
+      $meta->add_attribute('fickle', accessor => 'fickle')
+    }, undef, '... exception thrown as expected' );
+    isnt( exception { $meta->remove_attribute('fickle') }, undef, '... exception thrown as expected' );
+
+    my $reef = \ 'reef';
+    isnt( exception { $meta->add_package_symbol('$ref', $reef) }, undef, '... exception thrown as expected' );
+    isnt( exception { $meta->remove_package_symbol('$ref')     }, undef, '... exception thrown as expected' );
+
+    ok( my @supers = $meta->superclasses,  '... got the superclasses okay');
+    isnt( exception { $meta->superclasses('Foo') }, undef, '... set the superclasses' );
+
+    ok( $meta->$_  , "... ${_} works")
+      for qw(get_meta_instance       get_all_attributes
+             class_precedence_list );
+}
+
+{
+
+    ok(Baz->meta->is_immutable,  'Superclass is immutable');
+    my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
+    my %orig_keys = map { $_ => 1 } grep { !/^_/ } keys %$meta;
+    my @orig_meths = sort { $a->name cmp $b->name } $meta->get_all_methods;
+    ok($meta->is_anon_class,                  'We have an anon metaclass');
+    ok($meta->is_mutable,  '... our anon class is mutable');
+    ok(!$meta->is_immutable,  '... our anon class is not immutable');
+
+    is( exception {$meta->make_immutable(
+                                    inline_accessor    => 1,
+                                    inline_destructor  => 0,
+                                    inline_constructor => 1,
+                                   )
+            }, undef, '... changed class to be immutable' );
+    ok(!$meta->is_mutable,                    '... our class is no longer mutable');
+    ok($meta->is_immutable,                   '... our class is now immutable');
+    ok($meta->make_immutable,                 '... make immutable returns true');
+
+    is( exception { $meta->make_mutable }, undef, '... changed Baz to be mutable' );
+    ok($meta->is_mutable,             '... our class is mutable');
+    ok(!$meta->is_immutable,          '... our class is not immutable');
+    ok(!$meta->make_mutable,          '... make mutable now returns nothing');
+    ok($meta->is_anon_class,          '... still marked as an anon class');
+    my $instance = $meta->new_object;
+
+    my %new_keys  = map { $_ => 1 } grep { !/^_/ } keys %$meta;
+    my @new_meths = sort { $a->name cmp $b->name }
+      $meta->get_all_methods;
+    is_deeply(\%orig_keys, \%new_keys, '... no extraneous hashkeys');
+    is_deeply(\@orig_meths, \@new_meths, '... no straneous methods');
+
+    isa_ok($meta, 'Class::MOP::Class', '... Anon class isa Class::MOP::Class');
+
+    $meta->add_method('xyz', sub{'xxx'});
+    is( $instance->xyz , 'xxx',               '... method xyz works');
+    ok( $meta->remove_method('xyz'),          '... removed method');
+
+    ok($meta->add_attribute('fickle', accessor => 'fickle'), '... added attribute');
+    ok($instance->can('fickle'),          '... instance can fickle');
+    ok($meta->remove_attribute('fickle'), '... removed attribute');
+
+    my $reef = \ 'reef';
+    $meta->add_package_symbol('$ref', $reef);
+    is($meta->get_package_symbol('$ref'), $reef,      '... values match');
+    is( exception { $meta->remove_package_symbol('$ref') }, undef, '... removed it' );
+    isnt($meta->get_package_symbol('$ref'), $reef,    '... values match');
+
+    ok( my @supers = $meta->superclasses,       '... got the superclasses okay');
+    ok( $meta->superclasses('Foo'),             '... set the superclasses');
+    is_deeply(['Foo'], [$meta->superclasses],   '... set the superclasses okay');
+    ok( $meta->superclasses( @supers ),         '... reset superclasses');
+    is_deeply([@supers], [$meta->superclasses], '... reset the superclasses okay');
+
+    ok( $meta->$_  , "... ${_} works")
+      for qw(get_meta_instance       get_all_attributes
+             class_precedence_list );
+};
+
+
+#rerun the same tests on an anon class.. just cause we can.
+{
+    my $meta = Baz->meta->create_anon_class(superclasses => ['Baz']);
+
+    is( exception {$meta->make_immutable(
+                                    inline_accessor    => 1,
+                                    inline_destructor  => 0,
+                                    inline_constructor => 1,
+                                   )
+            }, undef, '... changed class to be immutable' );
+    is( exception { $meta->make_mutable() }, undef, '... changed class to be mutable' );
+    is( exception {$meta->make_immutable  }, undef, '... changed class to be immutable' );
+
+    isnt( exception { $meta->add_method('xyz', sub{'xxx'})  }, undef, '... exception thrown as expected' );
+
+    isnt( exception {
+      $meta->add_attribute('fickle', accessor => 'fickle')
+    }, undef, '... exception thrown as expected' );
+    isnt( exception { $meta->remove_attribute('fickle') }, undef, '... exception thrown as expected' );
+
+    my $reef = \ 'reef';
+    isnt( exception { $meta->add_package_symbol('$ref', $reef) }, undef, '... exception thrown as expected' );
+    isnt( exception { $meta->remove_package_symbol('$ref')     }, undef, '... exception thrown as expected' );
+
+    ok( my @supers = $meta->superclasses,  '... got the superclasses okay');
+    isnt( exception { $meta->superclasses('Foo') }, undef, '... set the superclasses' );
+
+    ok( $meta->$_  , "... ${_} works")
+      for qw(get_meta_instance       get_all_attributes
+             class_precedence_list );
+}
+
+{
+    Foo->meta->make_immutable;
+    Bar->meta->make_immutable;
+    Bar->meta->make_mutable;
+}
+
+done_testing;