-#!/usr/bin/env perl
use strict;
use warnings;
-use Test::More tests => 11;
+use Test::More;
use Test::Exception;
require Class::MOP;
use lib 't/lib';
-ok(!Class::MOP::is_class_loaded(), "is_class_loaded with no argument returns false");
+dies_ok {
+ Class::MOP::is_class_loaded()
+} "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??");
-throws_ok { Class::MOP::load_class() } qr/Invalid class name \(undef\)/;
-throws_ok { Class::MOP::load_class('') } qr/Invalid class name \(\)/;
-throws_ok { Class::MOP::load_class(\"foo") } qr/Invalid class name \(SCALAR\(\w+\)\)/;
+ok(!Class::MOP::_is_valid_class_name(undef), 'undef is not a valid class name');
+ok(!Class::MOP::_is_valid_class_name(''), 'empty string is not a valid class name');
+ok(!Class::MOP::_is_valid_class_name(\"foo"), 'a reference is not a valid class name');
+ok(!Class::MOP::_is_valid_class_name('bogus name'), q{'bogus name' is not a valid class name});
+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 \(bogus name\)/;
+
+throws_ok {
+ Class::MOP::load_class('__PACKAGE__')
+} qr/__PACKAGE__\.pm.*\@INC/, 'errors sanely on __PACKAGE__.pm';
-ok(Class::MOP::load_class('BinaryTree'));
+Class::MOP::load_class('BinaryTree');
can_ok('BinaryTree' => 'traverse');
do {
sub method {}
};
-ok(Class::MOP::load_class('Class'), "this should not die!");
+
+{
+ 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 {
Class::MOP::load_class('FakeClassOhNo');
-} qr/Can't locate /;
+}
+qr/Can't locate /;
throws_ok {
Class::MOP::load_class('SyntaxError');
-} qr/Missing right curly/;
+}
+qr/Missing right curly/;
+
+throws_ok {
+ 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';
+
+throws_ok {
+ 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 {
+ ok(Class::MOP::is_class_loaded("Other"), 'is_class_loaded(Other)');
+}
+"a class with just constants is still a class";
+
+{
+ package Lala;
+ use metaclass;
+}
+
+lives_ok {
+ 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');
+} 'load_classes works';
+
+throws_ok {
+ 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' );
+
+ throws_ok {
+ 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';
+
+ lives_ok {
+ Class::MOP::load_first_existing_class('Affe', 'Tiger', 'Class::WithVersion' => { -version => 13 });
+ } 'loading class with required version with load_first_existing_class';
+
+ throws_ok {
+ 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';
+
+ lives_ok {
+ Class::MOP::load_class('Class::WithVersion' => { -version => 13 });
+ } 'loading class with required version with load_class';
+
+}
+done_testing;
projects / gitmo/Class-MOP.git / blobdiff