5 use File::Spec::Functions;
12 use lib catdir($FindBin::Bin, 'lib');
15 Class::MOP::is_class_loaded()
16 }, undef, "is_class_loaded with no argument dies" );
18 ok(!Class::MOP::is_class_loaded(''), "can't load the empty class");
19 ok(!Class::MOP::is_class_loaded(\"foo"), "can't load a class name reference??");
21 ok(!Class::MOP::_is_valid_class_name(undef), 'undef is not a valid class name');
22 ok(!Class::MOP::_is_valid_class_name(''), 'empty string is not a valid class name');
23 ok(!Class::MOP::_is_valid_class_name(\"foo"), 'a reference is not a valid class name');
24 ok(!Class::MOP::_is_valid_class_name('bogus name'), q{'bogus name' is not a valid class name});
25 ok(Class::MOP::_is_valid_class_name('Foo'), q{'Foo' is a valid class name});
26 ok(Class::MOP::_is_valid_class_name('Foo::Bar'), q{'Foo::Bar' is a valid class name});
27 ok(Class::MOP::_is_valid_class_name('Foo_::Bar2'), q{'Foo_::Bar2' is a valid class name});
28 like( exception { Class::MOP::load_class('bogus name') }, qr/Invalid class name \(bogus name\)/ );
31 Class::MOP::load_class('__PACKAGE__')
32 }, qr/__PACKAGE__\.pm.*\@INC/, 'errors sanely on __PACKAGE__.pm' );
34 Class::MOP::load_class('BinaryTree');
35 can_ok('BinaryTree' => 'traverse');
45 eval { Class::MOP::load_class('Class') };
46 ok( ! $@, 'load_class does not die if the package is already defined' );
49 ok( !Class::MOP::does_metaclass_exist("Class"), "no metaclass for non MOP class" );
52 Class::MOP::load_class('FakeClassOhNo');
53 }, qr/Can't locate / );
56 Class::MOP::load_class('SyntaxError');
57 }, qr/Missing right curly/ );
60 delete $INC{'SyntaxError.pm'};
61 Class::MOP::load_first_existing_class(
62 'FakeClassOhNo', 'SyntaxError', 'Class'
64 }, qr/Missing right curly/, 'load_first_existing_class does not pass over an existing (bad) module' );
67 Class::MOP::load_class('This::Does::Not::Exist');
68 }, qr{Can't locate This/Does/Not/Exist\.pm in \@INC}, 'load_first_existing_class throws a familiar error for a single module' );
72 use constant foo => "bar";
76 ok(Class::MOP::is_class_loaded("Other"), 'is_class_loaded(Other)');
77 }, undef, "a class with just constants is still a class" );
85 is(Class::MOP::load_first_existing_class("Lala", "Does::Not::Exist"), "Lala", 'load_first_existing_class 1/2 params ok, class name returned');
86 is(Class::MOP::load_first_existing_class("Does::Not::Exist", "Lala"), "Lala", 'load_first_existing_class 2/2 params ok, class name returned');
87 }, undef, 'load_classes works' );
90 Class::MOP::load_first_existing_class("Does::Not::Exist", "Also::Does::Not::Exist")
91 }, qr/Does::Not::Exist.*Also::Does::Not::Exist/s, 'Multiple non-existant classes cause exception' );
95 TestClassLoaded::this_method_does_not_even_exist();
98 ok( ! Class::MOP::is_class_loaded('TestClassLoaded'),
99 'the mere mention of TestClassLoaded in the whatever sub does not make us think it has been loaded' );
103 require TestClassLoaded::Sub;
104 ok( ! Class::MOP::is_class_loaded('TestClassLoaded'),
105 'requiring TestClassLoaded::Sub does not make us think TestClassLoaded is loaded' );
109 require TestClassLoaded;
110 ok( Class::MOP::is_class_loaded('TestClassLoaded'),
111 'We see that TestClassLoaded is loaded after requiring it (it has methods but no $VERSION or @ISA)' );
115 require TestClassLoaded2;
116 ok( Class::MOP::is_class_loaded('TestClassLoaded2'),
117 'We see that TestClassLoaded2 is loaded after requiring it (it has a $VERSION but no methods or @ISA)' );
121 require TestClassLoaded3;
122 ok( Class::MOP::is_class_loaded('TestClassLoaded3'),
123 'We see that TestClassLoaded3 is loaded after requiring it (it has an @ISA but no methods or $VERSION)' );
132 ok( ! Class::MOP::is_class_loaded('Not::Loaded'),
133 'the mere existence of an @ISA for a package does not mean a class is loaded' );
142 ok( Class::MOP::is_class_loaded('Loaded::Ish'),
143 'an @ISA with members does mean a class is loaded' );
148 package Class::WithVersion;
152 ok( Class::MOP::is_class_loaded('Class::WithVersion', { -version => 13 }),
153 'version 23 satisfies version requirement 13' );
155 ok( !Class::MOP::is_class_loaded('Class::WithVersion', { -version => 42 }),
156 'version 23 does not satisfy version requirement 42' );
159 Class::MOP::load_first_existing_class('Affe', 'Tiger', 'Class::WithVersion' => { -version => 42 });
160 }, qr/Class::WithVersion version 42 required--this is only version 23/, 'load_first_existing_class gives correct exception on old version' );
163 Class::MOP::load_first_existing_class('Affe', 'Tiger', 'Class::WithVersion' => { -version => 13 });
164 }, undef, 'loading class with required version with load_first_existing_class' );
167 Class::MOP::load_class('Class::WithVersion' => { -version => 42 });
168 }, qr/Class::WithVersion version 42 required--this is only version 23/, 'load_class gives correct exception on old version' );
171 Class::MOP::load_class('Class::WithVersion' => { -version => 13 });
172 }, undef, 'loading class with required version with load_class' );