X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F083_load_class.t;h=67553be39d3bcee3ee268dddde2bd4e3d3487978;hb=86a4d8730cfe673db674c692f7703632b700c7c9;hp=06ff0c14b9aede22e403177970131810fbc73137;hpb=063ad0c5732b1431b6b0cfdba6c99deb66f1b9cf;p=gitmo%2FClass-MOP.git diff --git a/t/083_load_class.t b/t/083_load_class.t index 06ff0c1..67553be 100644 --- a/t/083_load_class.t +++ b/t/083_load_class.t @@ -1,13 +1,15 @@ -#!/usr/bin/env perl use strict; use warnings; -use Test::More tests => 27; +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??"); @@ -24,9 +26,7 @@ throws_ok { Class::MOP::load_class('__PACKAGE__') } 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 { @@ -35,19 +35,38 @@ 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 { 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; @@ -64,14 +83,66 @@ lives_ok { use metaclass; } -isa_ok( Class::MOP::load_class("Lala"), "Class::MOP::Class", "when an object has a metaclass it is returned" ); - lives_ok { - isa_ok(Class::MOP::load_first_existing_class("Lala", "Does::Not::Exist"), "Class::MOP::Class", 'Load_classes first param ok, metaclass returned'); - isa_ok(Class::MOP::load_first_existing_class("Does::Not::Exist", "Lala"), "Class::MOP::Class", 'Load_classes second param ok, metaclass returned'); + 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/Could not load class \(Does::Not::Exist.*Could not load class \(Also::Does::Not::Exist/s, 'Multiple non-existant classes cause exception'; +} 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' ); +} +done_testing;