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Current File : //usr/share/doc/perl-Moose-2.1005/t/cmop/method.t

use strict;
use warnings;

use Test::More;
use Test::Fatal;

use Class::MOP;
use Class::MOP::Method;

my $method = Class::MOP::Method->wrap(
    sub {1},
    package_name => 'main',
    name         => '__ANON__',
);
is( $method->meta, Class::MOP::Method->meta,
    '... instance and class both lead to the same meta' );

is( $method->package_name, 'main',     '... our package is main::' );
is( $method->name,         '__ANON__', '... our sub name is __ANON__' );
is( $method->fully_qualified_name, 'main::__ANON__',
    '... our subs full name is main::__ANON__' );
is( $method->original_method, undef, '... no original_method ' );
is( $method->original_package_name, 'main',
    '... the original_package_name is the same as package_name' );
is( $method->original_name, '__ANON__',
    '... the original_name is the same as name' );
is( $method->original_fully_qualified_name, 'main::__ANON__',
    '... the original_fully_qualified_name is the same as fully_qualified_name'
);
ok( !$method->is_stub,
    '... the method is not a stub' );

isnt( exception { Class::MOP::Method->wrap }, undef, q{... can't call wrap() without some code} );
isnt( exception { Class::MOP::Method->wrap( [] ) }, undef, q{... can't call wrap() without some code} );
isnt( exception { Class::MOP::Method->wrap( bless {} => 'Fail' ) }, undef, q{... can't call wrap() without some code} );

isnt( exception { Class::MOP::Method->name }, undef, q{... can't call name() as a class method} );
isnt( exception { Class::MOP::Method->body }, undef, q{... can't call body() as a class method} );
isnt( exception { Class::MOP::Method->package_name }, undef, q{... can't call package_name() as a class method} );
isnt( exception { Class::MOP::Method->fully_qualified_name }, undef, q{... can't call fully_qualified_name() as a class method} );

my $meta = Class::MOP::Method->meta;
isa_ok( $meta, 'Class::MOP::Class' );

foreach my $method_name (
    qw(
    wrap
    package_name
    name
    )
    ) {
    ok( $meta->has_method($method_name),
        '... Class::MOP::Method->has_method(' . $method_name . ')' );
    my $method = $meta->get_method($method_name);
    is( $method->package_name, 'Class::MOP::Method',
        '... our package is Class::MOP::Method' );
    is( $method->name, $method_name,
        '... our sub name is "' . $method_name . '"' );
}

isnt( exception {
    Class::MOP::Method->wrap();
}, undef, '... bad args for &wrap' );

isnt( exception {
    Class::MOP::Method->wrap('Fail');
}, undef, '... bad args for &wrap' );

isnt( exception {
    Class::MOP::Method->wrap( [] );
}, undef, '... bad args for &wrap' );

isnt( exception {
    Class::MOP::Method->wrap( sub {'FAIL'} );
}, undef, '... bad args for &wrap' );

isnt( exception {
    Class::MOP::Method->wrap( sub {'FAIL'}, package_name => 'main' );
}, undef, '... bad args for &wrap' );

isnt( exception {
    Class::MOP::Method->wrap( sub {'FAIL'}, name => '__ANON__' );
}, undef, '... bad args for &wrap' );

is( exception {
    Class::MOP::Method->wrap( bless( sub {'FAIL'}, "Foo" ),
        name => '__ANON__', package_name => 'Foo::Bar' );
}, undef, '... blessed coderef to &wrap' );

my $clone = $method->clone(
    package_name => 'NewPackage',
    name         => 'new_name',
);

isa_ok( $clone, 'Class::MOP::Method' );
is( $clone->package_name, 'NewPackage',
    '... cloned method has new package name' );
is( $clone->name, 'new_name', '... cloned method has new sub name' );
is( $clone->fully_qualified_name, 'NewPackage::new_name',
    '... cloned method has new fq name' );
is( $clone->original_method, $method,
    '... cloned method has correct original_method' );
is( $clone->original_package_name, 'main',
    '... cloned method has correct original_package_name' );
is( $clone->original_name, '__ANON__',
    '... cloned method has correct original_name' );
is( $clone->original_fully_qualified_name, 'main::__ANON__',
    '... cloned method has correct original_fully_qualified_name' );

my $clone2 = $clone->clone(
    package_name => 'NewerPackage',
    name         => 'newer_name',
);

is( $clone2->package_name, 'NewerPackage',
    '... clone of clone has new package name' );
is( $clone2->name, 'newer_name', '... clone of clone has new sub name' );
is( $clone2->fully_qualified_name, 'NewerPackage::newer_name',
    '... clone of clone new fq name' );
is( $clone2->original_method, $clone,
    '... cloned method has correct original_method' );
is( $clone2->original_package_name, 'main',
    '... original_package_name follows clone chain' );
is( $clone2->original_name, '__ANON__',
    '... original_name follows clone chain' );
is( $clone2->original_fully_qualified_name, 'main::__ANON__',
    '... original_fully_qualified_name follows clone chain' );

Class::MOP::Class->create(
    'Method::Subclass',
    superclasses => ['Class::MOP::Method'],
    attributes   => [
        Class::MOP::Attribute->new(
            foo => (
                accessor => 'foo',
            )
        ),
    ],
);

my $wrapped = Method::Subclass->wrap($method, foo => 'bar');
isa_ok($wrapped, 'Method::Subclass');
isa_ok($wrapped, 'Class::MOP::Method');
is($wrapped->foo, 'bar', 'attribute set properly');
is($wrapped->package_name, 'main', 'package_name copied properly');
is($wrapped->name, '__ANON__', 'method name copied properly');

my $wrapped2 = Method::Subclass->wrap($method, foo => 'baz', name => 'FOO');
is($wrapped2->name, 'FOO', 'got a new method name');

{
    package Foo;

    sub full {1}
    sub stub;
}

{
    my $meta = Class::MOP::Class->initialize('Foo');

    ok( $meta->has_method($_), "Foo class has $_ method" )
        for qw( full stub );

    my $full = $meta->get_method('full');
    ok( !$full->is_stub, 'full is not a stub' );

    my $stub = $meta->get_method('stub');

    ok( $stub->is_stub, 'stub is a stub' );
}

done_testing;

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