diff options
Diffstat (limited to 't/cmop/attribute.t')
-rw-r--r-- | t/cmop/attribute.t | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/t/cmop/attribute.t b/t/cmop/attribute.t new file mode 100644 index 0000000..f23a434 --- /dev/null +++ b/t/cmop/attribute.t @@ -0,0 +1,248 @@ +use strict; +use warnings; + +use Scalar::Util 'reftype', 'blessed'; + +use Test::More; +use Test::Fatal; + +use Class::MOP; +use Class::MOP::Attribute; +use Class::MOP::Method; + + +isnt( exception { Class::MOP::Attribute->name }, undef, q{... can't call name() as a class method} ); + + +{ + my $attr = Class::MOP::Attribute->new('$foo'); + isa_ok($attr, 'Class::MOP::Attribute'); + + is($attr->name, '$foo', '... $attr->name == $foo'); + ok($attr->has_init_arg, '... $attr does have an init_arg'); + is($attr->init_arg, '$foo', '... $attr init_arg is the name'); + + ok(!$attr->has_accessor, '... $attr does not have an accessor'); + ok(!$attr->has_reader, '... $attr does not have an reader'); + ok(!$attr->has_writer, '... $attr does not have an writer'); + ok(!$attr->has_default, '... $attr does not have an default'); + ok(!$attr->has_builder, '... $attr does not have a builder'); + + { + my $reader = $attr->get_read_method_ref; + my $writer = $attr->get_write_method_ref; + + ok(!blessed($reader), '... it is a plain old sub'); + ok(!blessed($writer), '... it is a plain old sub'); + + is(reftype($reader), 'CODE', '... it is a plain old sub'); + is(reftype($writer), 'CODE', '... it is a plain old sub'); + } + + my $class = Class::MOP::Class->initialize('Foo'); + isa_ok($class, 'Class::MOP::Class'); + + is( exception { + $attr->attach_to_class($class); + }, undef, '... attached a class successfully' ); + + is($attr->associated_class, $class, '... the class was associated correctly'); + + ok(!$attr->get_read_method, '... $attr does not have an read method'); + ok(!$attr->get_write_method, '... $attr does not have an write method'); + + { + my $reader = $attr->get_read_method_ref; + my $writer = $attr->get_write_method_ref; + + ok(blessed($reader), '... it is a plain old sub'); + ok(blessed($writer), '... it is a plain old sub'); + + isa_ok($reader, 'Class::MOP::Method'); + isa_ok($writer, 'Class::MOP::Method'); + } + + my $attr_clone = $attr->clone(); + isa_ok($attr_clone, 'Class::MOP::Attribute'); + isnt($attr, $attr_clone, '... but they are different instances'); + + is($attr->associated_class, $attr_clone->associated_class, '... the associated classes are the same though'); + is($attr->associated_class, $class, '... the associated classes are the same though'); + is($attr_clone->associated_class, $class, '... the associated classes are the same though'); + + is_deeply($attr, $attr_clone, '... but they are the same inside'); +} + +{ + my $attr = Class::MOP::Attribute->new('$foo', ( + init_arg => '-foo', + default => 'BAR' + )); + isa_ok($attr, 'Class::MOP::Attribute'); + + is($attr->name, '$foo', '... $attr->name == $foo'); + + ok($attr->has_init_arg, '... $attr does have an init_arg'); + is($attr->init_arg, '-foo', '... $attr->init_arg == -foo'); + ok($attr->has_default, '... $attr does have an default'); + is($attr->default, 'BAR', '... $attr->default == BAR'); + ok(!$attr->has_builder, '... $attr does not have a builder'); + + ok(!$attr->has_accessor, '... $attr does not have an accessor'); + ok(!$attr->has_reader, '... $attr does not have an reader'); + ok(!$attr->has_writer, '... $attr does not have an writer'); + + ok(!$attr->get_read_method, '... $attr does not have an read method'); + ok(!$attr->get_write_method, '... $attr does not have an write method'); + + { + my $reader = $attr->get_read_method_ref; + my $writer = $attr->get_write_method_ref; + + ok(!blessed($reader), '... it is a plain old sub'); + ok(!blessed($writer), '... it is a plain old sub'); + + is(reftype($reader), 'CODE', '... it is a plain old sub'); + is(reftype($writer), 'CODE', '... it is a plain old sub'); + } + + my $attr_clone = $attr->clone(); + isa_ok($attr_clone, 'Class::MOP::Attribute'); + isnt($attr, $attr_clone, '... but they are different instances'); + + is($attr->associated_class, $attr_clone->associated_class, '... the associated classes are the same though'); + is($attr->associated_class, undef, '... the associated class is actually undef'); + is($attr_clone->associated_class, undef, '... the associated class is actually undef'); + + is_deeply($attr, $attr_clone, '... but they are the same inside'); +} + +{ + my $attr = Class::MOP::Attribute->new('$foo', ( + accessor => 'foo', + init_arg => '-foo', + default => 'BAR' + )); + isa_ok($attr, 'Class::MOP::Attribute'); + + is($attr->name, '$foo', '... $attr->name == $foo'); + + ok($attr->has_init_arg, '... $attr does have an init_arg'); + is($attr->init_arg, '-foo', '... $attr->init_arg == -foo'); + ok($attr->has_default, '... $attr does have an default'); + is($attr->default, 'BAR', '... $attr->default == BAR'); + + ok($attr->has_accessor, '... $attr does have an accessor'); + is($attr->accessor, 'foo', '... $attr->accessor == foo'); + + ok(!$attr->has_reader, '... $attr does not have an reader'); + ok(!$attr->has_writer, '... $attr does not have an writer'); + + is($attr->get_read_method, 'foo', '... $attr does not have an read method'); + is($attr->get_write_method, 'foo', '... $attr does not have an write method'); + + { + my $reader = $attr->get_read_method_ref; + my $writer = $attr->get_write_method_ref; + + ok(!blessed($reader), '... it is not a plain old sub'); + ok(!blessed($writer), '... it is not a plain old sub'); + + is(reftype($reader), 'CODE', '... it is a plain old sub'); + is(reftype($writer), 'CODE', '... it is a plain old sub'); + } + + my $attr_clone = $attr->clone(); + isa_ok($attr_clone, 'Class::MOP::Attribute'); + isnt($attr, $attr_clone, '... but they are different instances'); + + is_deeply($attr, $attr_clone, '... but they are the same inside'); +} + +{ + my $attr = Class::MOP::Attribute->new('$foo', ( + reader => 'get_foo', + writer => 'set_foo', + init_arg => '-foo', + default => 'BAR' + )); + isa_ok($attr, 'Class::MOP::Attribute'); + + is($attr->name, '$foo', '... $attr->name == $foo'); + + ok($attr->has_init_arg, '... $attr does have an init_arg'); + is($attr->init_arg, '-foo', '... $attr->init_arg == -foo'); + ok($attr->has_default, '... $attr does have an default'); + is($attr->default, 'BAR', '... $attr->default == BAR'); + + ok($attr->has_reader, '... $attr does have an reader'); + is($attr->reader, 'get_foo', '... $attr->reader == get_foo'); + ok($attr->has_writer, '... $attr does have an writer'); + is($attr->writer, 'set_foo', '... $attr->writer == set_foo'); + + ok(!$attr->has_accessor, '... $attr does not have an accessor'); + + is($attr->get_read_method, 'get_foo', '... $attr does not have an read method'); + is($attr->get_write_method, 'set_foo', '... $attr does not have an write method'); + + { + my $reader = $attr->get_read_method_ref; + my $writer = $attr->get_write_method_ref; + + ok(!blessed($reader), '... it is not a plain old sub'); + ok(!blessed($writer), '... it is not a plain old sub'); + + is(reftype($reader), 'CODE', '... it is a plain old sub'); + is(reftype($writer), 'CODE', '... it is a plain old sub'); + } + + my $attr_clone = $attr->clone(); + isa_ok($attr_clone, 'Class::MOP::Attribute'); + isnt($attr, $attr_clone, '... but they are different instances'); + + is_deeply($attr, $attr_clone, '... but they are the same inside'); +} + +{ + my $attr = Class::MOP::Attribute->new('$foo'); + isa_ok($attr, 'Class::MOP::Attribute'); + + my $attr_clone = $attr->clone('name' => '$bar'); + isa_ok($attr_clone, 'Class::MOP::Attribute'); + isnt($attr, $attr_clone, '... but they are different instances'); + + isnt($attr->name, $attr_clone->name, '... we changes the name parameter'); + + is($attr->name, '$foo', '... $attr->name == $foo'); + is($attr_clone->name, '$bar', '... $attr_clone->name == $bar'); +} + +{ + my $attr = Class::MOP::Attribute->new('$foo', (builder => 'foo_builder')); + isa_ok($attr, 'Class::MOP::Attribute'); + + ok(!$attr->has_default, '... $attr does not have a default'); + ok($attr->has_builder, '... $attr does have a builder'); + is($attr->builder, 'foo_builder', '... $attr->builder == foo_builder'); + +} + +{ + for my $value ({}, bless({}, 'Foo')) { + like( exception { + Class::MOP::Attribute->new('$foo', default => $value); + }, qr/References are not allowed as default values/ ); + } +} + +{ + my $attr; + is( exception { + my $meth = Class::MOP::Method->wrap(sub {shift}, name => 'foo', package_name => 'bar'); + $attr = Class::MOP::Attribute->new('$foo', default => $meth); + }, undef, 'Class::MOP::Methods accepted as default' ); + + is($attr->default(42), 42, 'passthrough for default on attribute'); +} + +done_testing; |