-#!/usr/bin/env perl
use strict;
use warnings;
-use Test::More tests => 23;
-use Test::Exception;
+use Test::More;
+use Test::Fatal;
require Class::MOP;
use lib 't/lib';
-ok(!Class::MOP::is_class_loaded(), "is_class_loaded with no argument returns false");
+isnt( exception {
+ Class::MOP::is_class_loaded()
+}, undef, "is_class_loaded with no argument dies" );
+
ok(!Class::MOP::is_class_loaded(''), "can't load the empty class");
ok(!Class::MOP::is_class_loaded(\"foo"), "can't load a class name reference??");
ok(Class::MOP::_is_valid_class_name('Foo'), q{'Foo' is a valid class name});
ok(Class::MOP::_is_valid_class_name('Foo::Bar'), q{'Foo::Bar' is a valid class name});
ok(Class::MOP::_is_valid_class_name('Foo_::Bar2'), q{'Foo_::Bar2' is a valid class name});
-throws_ok { Class::MOP::load_class('bogus name') } qr/Invalid class name \(bogus name\)/;
+like( exception { Class::MOP::load_class('bogus name') }, qr/Invalid class name \(bogus name\)/ );
-throws_ok {
+like( exception {
Class::MOP::load_class('__PACKAGE__')
-} qr/__PACKAGE__\.pm.*\@INC/, 'errors sanely on __PACKAGE__.pm';
+}, qr/__PACKAGE__\.pm.*\@INC/, 'errors sanely on __PACKAGE__.pm' );
-my $meta = Class::MOP::load_class('BinaryTree');
-ok($meta, "successfully loaded the class BinaryTree");
-is($meta->name, "BinaryTree", "load_class returns the metaclass");
+Class::MOP::load_class('BinaryTree');
can_ok('BinaryTree' => 'traverse');
do {
};
-my $ret = Class::MOP::load_class('Class');
-ok($ret, "this should not die!");
-is( $ret, "Class", "class name returned" );
+{
+ local $@;
+ eval { Class::MOP::load_class('Class') };
+ ok( ! $@, 'load_class does not die if the package is already defined' );
+}
ok( !Class::MOP::does_metaclass_exist("Class"), "no metaclass for non MOP class" );
-throws_ok {
+like( exception {
Class::MOP::load_class('FakeClassOhNo');
-} qr/Can't locate /;
+}, qr/Can't locate / );
-throws_ok {
+like( exception {
Class::MOP::load_class('SyntaxError');
-} qr/Missing right curly/;
+}, qr/Missing right curly/ );
+
+like( exception {
+ delete $INC{'SyntaxError.pm'};
+ Class::MOP::load_first_existing_class(
+ 'FakeClassOhNo', 'SyntaxError', 'Class'
+ );
+}, qr/Missing right curly/, 'load_first_existing_class does not pass over an existing (bad) module' );
+
+like( exception {
+ Class::MOP::load_class('This::Does::Not::Exist');
+}, qr{Can't locate This/Does/Not/Exist\.pm in \@INC}, 'load_first_existing_class throws a familiar error for a single module' );
{
package Other;
use constant foo => "bar";
}
-lives_ok {
+is( exception {
ok(Class::MOP::is_class_loaded("Other"), 'is_class_loaded(Other)');
-}
-"a class with just constants is still a class";
+}, undef, "a class with just constants is still a class" );
{
package Lala;
use metaclass;
}
-isa_ok( Class::MOP::load_class("Lala"), "Class::MOP::Class", "when an object has a metaclass it is returned" );
+is( exception {
+ is(Class::MOP::load_first_existing_class("Lala", "Does::Not::Exist"), "Lala", 'load_first_existing_class 1/2 params ok, class name returned');
+ is(Class::MOP::load_first_existing_class("Does::Not::Exist", "Lala"), "Lala", 'load_first_existing_class 2/2 params ok, class name returned');
+}, undef, 'load_classes works' );
+
+like( exception {
+ Class::MOP::load_first_existing_class("Does::Not::Exist", "Also::Does::Not::Exist")
+}, qr/Does::Not::Exist.*Also::Does::Not::Exist/s, 'Multiple non-existant classes cause exception' );
+
+{
+ sub whatever {
+ TestClassLoaded::this_method_does_not_even_exist();
+ }
+
+ ok( ! Class::MOP::is_class_loaded('TestClassLoaded'),
+ 'the mere mention of TestClassLoaded in the whatever sub does not make us think it has been loaded' );
+}
+
+{
+ require TestClassLoaded::Sub;
+ ok( ! Class::MOP::is_class_loaded('TestClassLoaded'),
+ 'requiring TestClassLoaded::Sub does not make us think TestClassLoaded is loaded' );
+}
+
+{
+ require TestClassLoaded;
+ ok( Class::MOP::is_class_loaded('TestClassLoaded'),
+ 'We see that TestClassLoaded is loaded after requiring it (it has methods but no $VERSION or @ISA)' );
+}
+
+{
+ require TestClassLoaded2;
+ ok( Class::MOP::is_class_loaded('TestClassLoaded2'),
+ 'We see that TestClassLoaded2 is loaded after requiring it (it has a $VERSION but no methods or @ISA)' );
+}
+
+{
+ require TestClassLoaded3;
+ ok( Class::MOP::is_class_loaded('TestClassLoaded3'),
+ 'We see that TestClassLoaded3 is loaded after requiring it (it has an @ISA but no methods or $VERSION)' );
+}
+
+{
+ {
+ package Not::Loaded;
+ our @ISA;
+ }
+
+ ok( ! Class::MOP::is_class_loaded('Not::Loaded'),
+ 'the mere existence of an @ISA for a package does not mean a class is loaded' );
+}
+
+{
+ {
+ package Loaded::Ish;
+ our @ISA = 'Foo';
+ }
+
+ ok( Class::MOP::is_class_loaded('Loaded::Ish'),
+ 'an @ISA with members does mean a class is loaded' );
+}
+
+{
+ {
+ package Class::WithVersion;
+ our $VERSION = 23;
+ };
+
+ ok( Class::MOP::is_class_loaded('Class::WithVersion', { -version => 13 }),
+ 'version 23 satisfies version requirement 13' );
+
+ ok( !Class::MOP::is_class_loaded('Class::WithVersion', { -version => 42 }),
+ 'version 23 does not satisfy version requirement 42' );
+
+ like( exception {
+ Class::MOP::load_first_existing_class('Affe', 'Tiger', 'Class::WithVersion' => { -version => 42 });
+ }, qr/Class::WithVersion version 42 required--this is only version 23/, 'load_first_existing_class gives correct exception on old version' );
+
+ is( exception {
+ Class::MOP::load_first_existing_class('Affe', 'Tiger', 'Class::WithVersion' => { -version => 13 });
+ }, undef, 'loading class with required version with load_first_existing_class' );
+
+ like( exception {
+ Class::MOP::load_class('Class::WithVersion' => { -version => 42 });
+ }, qr/Class::WithVersion version 42 required--this is only version 23/, 'load_class gives correct exception on old version' );
+
+ is( exception {
+ Class::MOP::load_class('Class::WithVersion' => { -version => 13 });
+ }, undef, 'loading class with required version with load_class' );
+
+}
+
+done_testing;
projects / gitmo/Class-MOP.git / blobdiff