X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fcmop%2Fmethods.t;fp=t%2Fcmop%2Fmethods.t;h=1f60918b7371173386a51b32c4d84c2bc32da873;hb=829433c47061dd70a608bfcd940113c4172b6950;hp=0000000000000000000000000000000000000000;hpb=51c788414482c813eb48fb417b08ba03134ff1a6;p=gitmo%2FMoose.git diff --git a/t/cmop/methods.t b/t/cmop/methods.t new file mode 100644 index 0000000..1f60918 --- /dev/null +++ b/t/cmop/methods.t @@ -0,0 +1,407 @@ +use strict; +use warnings; + +use Test::More; +use Test::Fatal; + +use Scalar::Util qw/reftype/; +use Sub::Name; + +use Class::MOP; +use Class::MOP::Class; +use Class::MOP::Method; + +{ + # This package tries to test &has_method as exhaustively as + # possible. More corner cases are welcome :) + package Foo; + + # import a sub + use Scalar::Util 'blessed'; + + sub pie; + sub cake (); + + use constant FOO_CONSTANT => 'Foo-CONSTANT'; + + # define a sub in package + sub bar {'Foo::bar'} + *baz = \&bar; + + # create something with the typeglob inside the package + *baaz = sub {'Foo::baaz'}; + + { # method named with Sub::Name inside the package scope + no strict 'refs'; + *{'Foo::floob'} = Sub::Name::subname 'floob' => sub {'!floob!'}; + } + + # We hateses the "used only once" warnings + { + my $temp1 = \&Foo::baz; + my $temp2 = \&Foo::baaz; + } + + package OinkyBoinky; + our @ISA = "Foo"; + + sub elk {'OinkyBoinky::elk'} + + package main; + + sub Foo::blah { $_[0]->Foo::baz() } + + { + no strict 'refs'; + *{'Foo::bling'} = sub {'$$Bling$$'}; + *{'Foo::bang'} = Sub::Name::subname 'Foo::bang' => sub {'!BANG!'}; + *{'Foo::boom'} = Sub::Name::subname 'boom' => sub {'!BOOM!'}; + + eval "package Foo; sub evaled_foo { 'Foo::evaled_foo' }"; + } +} + +my $Foo = Class::MOP::Class->initialize('Foo'); + +is join(' ', sort $Foo->get_method_list), + 'FOO_CONSTANT baaz bang bar baz blah cake evaled_foo floob pie'; + +ok( $Foo->has_method('pie'), '... got the method stub pie' ); +ok( $Foo->has_method('cake'), '... got the constant method stub cake' ); + +my $foo = sub {'Foo::foo'}; + +ok( !UNIVERSAL::isa( $foo, 'Class::MOP::Method' ), + '... our method is not yet blessed' ); + +is( exception { + $Foo->add_method( 'foo' => $foo ); +}, undef, '... we added the method successfully' ); + +my $foo_method = $Foo->get_method('foo'); + +isa_ok( $foo_method, 'Class::MOP::Method' ); + +is( $foo_method->name, 'foo', '... got the right name for the method' ); +is( $foo_method->package_name, 'Foo', + '... got the right package name for the method' ); + +ok( $Foo->has_method('foo'), + '... Foo->has_method(foo) (defined with Sub::Name)' ); + +is( $Foo->get_method('foo')->body, $foo, + '... Foo->get_method(foo) == \&foo' ); +is( $Foo->get_method('foo')->execute, 'Foo::foo', + '... _method_foo->execute returns "Foo::foo"' ); +is( Foo->foo(), 'Foo::foo', '... Foo->foo() returns "Foo::foo"' ); + +# now check all our other items ... + +ok( $Foo->has_method('FOO_CONSTANT'), + '... not Foo->has_method(FOO_CONSTANT) (defined w/ use constant)' ); +ok( !$Foo->has_method('bling'), + '... not Foo->has_method(bling) (defined in main:: using symbol tables (no Sub::Name))' +); + +ok( $Foo->has_method('bar'), '... Foo->has_method(bar) (defined in Foo)' ); +ok( $Foo->has_method('baz'), + '... Foo->has_method(baz) (typeglob aliased within Foo)' ); +ok( $Foo->has_method('baaz'), + '... Foo->has_method(baaz) (typeglob aliased within Foo)' ); +ok( $Foo->has_method('floob'), + '... Foo->has_method(floob) (defined in Foo:: using symbol tables and Sub::Name w/out package name)' +); +ok( $Foo->has_method('blah'), + '... Foo->has_method(blah) (defined in main:: using fully qualified package name)' +); +ok( $Foo->has_method('bang'), + '... Foo->has_method(bang) (defined in main:: using symbol tables and Sub::Name)' +); +ok( $Foo->has_method('evaled_foo'), + '... Foo->has_method(evaled_foo) (evaled in main::)' ); + +my $OinkyBoinky = Class::MOP::Class->initialize('OinkyBoinky'); + +ok( $OinkyBoinky->has_method('elk'), + "the method 'elk' is defined in OinkyBoinky" ); + +ok( !$OinkyBoinky->has_method('bar'), + "the method 'bar' is not defined in OinkyBoinky" ); + +ok( my $bar = $OinkyBoinky->find_method_by_name('bar'), + "but if you look in the inheritence chain then 'bar' does exist" ); + +is( reftype( $bar->body ), "CODE", "the returned value is a code ref" ); + +# calling get_method blessed them all +for my $method_name ( + qw/baaz + bar + baz + floob + blah + bang + evaled_foo + FOO_CONSTANT/ + ) { + isa_ok( $Foo->get_method($method_name), 'Class::MOP::Method' ); + { + no strict 'refs'; + is( $Foo->get_method($method_name)->body, + \&{ 'Foo::' . $method_name }, + '... body matches CODE ref in package for ' . $method_name ); + } +} + +for my $method_name ( + qw/ + bling + / + ) { + is( ref( $Foo->get_package_symbol( '&' . $method_name ) ), 'CODE', + '... got the __ANON__ methods' ); + { + no strict 'refs'; + is( $Foo->get_package_symbol( '&' . $method_name ), + \&{ 'Foo::' . $method_name }, + '... symbol matches CODE ref in package for ' . $method_name ); + } +} + +ok( !$Foo->has_method('blessed'), + '... !Foo->has_method(blessed) (imported into Foo)' ); +ok( !$Foo->has_method('boom'), + '... !Foo->has_method(boom) (defined in main:: using symbol tables and Sub::Name w/out package name)' +); + +ok( !$Foo->has_method('not_a_real_method'), + '... !Foo->has_method(not_a_real_method) (does not exist)' ); +is( $Foo->get_method('not_a_real_method'), undef, + '... Foo->get_method(not_a_real_method) == undef' ); + +is_deeply( + [ sort $Foo->get_method_list ], + [qw(FOO_CONSTANT baaz bang bar baz blah cake evaled_foo floob foo pie)], + '... got the right method list for Foo' +); + +is_deeply( + [ sort { $a->name cmp $b->name } $Foo->get_all_methods() ], + [ + map { $Foo->get_method($_) } + qw( + FOO_CONSTANT + baaz + bang + bar + baz + blah + cake + evaled_foo + floob + foo + pie + ) + ], + '... got the right list of applicable methods for Foo' +); + +is( $Foo->remove_method('foo')->body, $foo, '... removed the foo method' ); +ok( !$Foo->has_method('foo'), + '... !Foo->has_method(foo) we just removed it' ); +isnt( exception { Foo->foo }, undef, '... cannot call Foo->foo because it is not there' ); + +is_deeply( + [ sort $Foo->get_method_list ], + [qw(FOO_CONSTANT baaz bang bar baz blah cake evaled_foo floob pie)], + '... got the right method list for Foo' +); + +# ... test our class creator + +my $Bar = Class::MOP::Class->create( + package => 'Bar', + superclasses => ['Foo'], + methods => { + foo => sub {'Bar::foo'}, + bar => sub {'Bar::bar'}, + } +); +isa_ok( $Bar, 'Class::MOP::Class' ); + +ok( $Bar->has_method('foo'), '... Bar->has_method(foo)' ); +ok( $Bar->has_method('bar'), '... Bar->has_method(bar)' ); + +is( Bar->foo, 'Bar::foo', '... Bar->foo == Bar::foo' ); +is( Bar->bar, 'Bar::bar', '... Bar->bar == Bar::bar' ); + +is( exception { + $Bar->add_method( 'foo' => sub {'Bar::foo v2'} ); +}, undef, '... overwriting a method is fine' ); + +is_deeply( [ Class::MOP::get_code_info( $Bar->get_method('foo')->body ) ], + [ "Bar", "foo" ], "subname applied to anonymous method" ); + +ok( $Bar->has_method('foo'), '... Bar-> (still) has_method(foo)' ); +is( Bar->foo, 'Bar::foo v2', '... Bar->foo == "Bar::foo v2"' ); + +is_deeply( + [ sort $Bar->get_method_list ], + [qw(bar foo meta)], + '... got the right method list for Bar' +); + +is_deeply( + [ sort { $a->name cmp $b->name } $Bar->get_all_methods() ], + [ + $Foo->get_method('FOO_CONSTANT'), + $Foo->get_method('baaz'), + $Foo->get_method('bang'), + $Bar->get_method('bar'), + ( + map { $Foo->get_method($_) } + qw( + baz + blah + cake + evaled_foo + floob + ) + ), + $Bar->get_method('foo'), + $Bar->get_method('meta'), + $Foo->get_method('pie'), + ], + '... got the right list of applicable methods for Bar' +); + +my $method = Class::MOP::Method->wrap( + name => 'objecty', + package_name => 'Whatever', + body => sub {q{I am an object, and I feel an object's pain}}, +); + +Bar->meta->add_method( $method->name, $method ); + +my $new_method = Bar->meta->get_method('objecty'); + +isnt( $method, $new_method, + 'add_method clones method objects as they are added' ); +is( $new_method->original_method, $method, + '... the cloned method has the correct original method' ) + or diag $new_method->dump; + +{ + package CustomAccessor; + + use Class::MOP; + + my $meta = Class::MOP::Class->initialize(__PACKAGE__); + + $meta->add_attribute( + foo => ( + accessor => 'foo', + ) + ); + + { + no warnings 'redefine', 'once'; + *foo = sub { + my $self = shift; + $self->{custom_store} = $_[0]; + }; + } + + $meta->add_around_method_modifier( + 'foo', + sub { + my $orig = shift; + $orig->(@_); + } + ); + + sub new { + return bless {}, shift; + } +} + +{ + my $o = CustomAccessor->new; + my $str = 'string'; + + $o->foo($str); + + is( + $o->{custom_store}, $str, + 'Custom glob-assignment-created accessor still has method modifier' + ); +} + +{ + # Since the sub reference below is not a closure, Perl caches it and uses + # the same reference each time through the loop. See RT #48985 for the + # bug. + foreach my $ns ( qw( Foo2 Bar2 Baz2 ) ) { + my $meta = Class::MOP::Class->create($ns); + + my $sub = sub { }; + + $meta->add_method( 'foo', $sub ); + + my $method = $meta->get_method('foo'); + ok( $method, 'Got the foo method back' ); + } +} + +{ + package HasConstants; + + use constant FOO => 1; + use constant BAR => []; + use constant BAZ => {}; + use constant UNDEF => undef; + + sub quux {1} + sub thing {1} +} + +my $HC = Class::MOP::Class->initialize('HasConstants'); + +is_deeply( + [ sort $HC->get_method_list ], + [qw( BAR BAZ FOO UNDEF quux thing )], + 'get_method_list handles constants properly' +); + +is_deeply( + [ sort map { $_->name } $HC->_get_local_methods ], + [qw( BAR BAZ FOO UNDEF quux thing )], + '_get_local_methods handles constants properly' +); + +{ + package DeleteFromMe; + sub foo { 1 } +} + +{ + my $DFMmeta = Class::MOP::Class->initialize('DeleteFromMe'); + ok($DFMmeta->get_method('foo')); + + delete $DeleteFromMe::{foo}; + + ok(!$DFMmeta->get_method('foo')); + ok(!DeleteFromMe->can('foo')); +} + +{ + my $baz_meta = Class::MOP::Class->initialize('Baz'); + $baz_meta->add_method(foo => sub { }); + my $stash = Package::Stash->new('Baz'); + $stash->remove_package_symbol('&foo'); + is_deeply([$baz_meta->get_method_list], [], "method is deleted"); + ok(!Baz->can('foo'), "Baz can't foo"); +} + + +done_testing;