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1 | use strict; |
2 | use warnings; |
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3 | use Test::More tests => 34; |
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4 | use Test::Exception; |
5 | |
6 | require Class::MOP; |
7 | use lib 't/lib'; |
8 | |
9 | ok(!Class::MOP::is_class_loaded(), "is_class_loaded with no argument returns false"); |
10 | ok(!Class::MOP::is_class_loaded(''), "can't load the empty class"); |
11 | ok(!Class::MOP::is_class_loaded(\"foo"), "can't load a class name reference??"); |
12 | |
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13 | ok(!Class::MOP::_is_valid_class_name(undef), 'undef is not a valid class name'); |
14 | ok(!Class::MOP::_is_valid_class_name(''), 'empty string is not a valid class name'); |
15 | ok(!Class::MOP::_is_valid_class_name(\"foo"), 'a reference is not a valid class name'); |
16 | ok(!Class::MOP::_is_valid_class_name('bogus name'), q{'bogus name' is not a valid class name}); |
17 | ok(Class::MOP::_is_valid_class_name('Foo'), q{'Foo' is a valid class name}); |
18 | ok(Class::MOP::_is_valid_class_name('Foo::Bar'), q{'Foo::Bar' is a valid class name}); |
19 | ok(Class::MOP::_is_valid_class_name('Foo_::Bar2'), q{'Foo_::Bar2' is a valid class name}); |
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20 | throws_ok { Class::MOP::load_class('bogus name') } qr/Invalid class name \(bogus name\)/; |
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21 | |
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22 | throws_ok { |
23 | Class::MOP::load_class('__PACKAGE__') |
24 | } qr/__PACKAGE__\.pm.*\@INC/, 'errors sanely on __PACKAGE__.pm'; |
25 | |
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26 | my $meta = Class::MOP::load_class('BinaryTree'); |
27 | ok($meta, "successfully loaded the class BinaryTree"); |
28 | is($meta->name, "BinaryTree", "load_class returns the metaclass"); |
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29 | can_ok('BinaryTree' => 'traverse'); |
30 | |
31 | do { |
32 | package Class; |
33 | sub method {} |
34 | }; |
35 | |
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36 | |
37 | my $ret = Class::MOP::load_class('Class'); |
38 | ok($ret, "this should not die!"); |
39 | is( $ret, "Class", "class name returned" ); |
40 | |
41 | ok( !Class::MOP::does_metaclass_exist("Class"), "no metaclass for non MOP class" ); |
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42 | |
43 | throws_ok { |
44 | Class::MOP::load_class('FakeClassOhNo'); |
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45 | } |
46 | qr/Can't locate /; |
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47 | |
48 | throws_ok { |
49 | Class::MOP::load_class('SyntaxError'); |
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50 | } |
51 | qr/Missing right curly/; |
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52 | |
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53 | throws_ok { |
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54 | delete $INC{'SyntaxError.pm'}; |
55 | Class::MOP::load_first_existing_class( |
56 | 'FakeClassOhNo', 'SyntaxError', 'Class' |
57 | ); |
58 | } |
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59 | qr/Missing right curly/, |
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60 | 'load_first_existing_class does not pass over an existing (bad) module'; |
61 | |
62 | throws_ok { |
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63 | Class::MOP::load_class('This::Does::Not::Exist'); |
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64 | } |
65 | qr/Could not load class \(This::Does::Not::Exist\) because :/, |
66 | 'Many Moose tests rely on the exact formatting of this error'; |
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67 | |
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68 | { |
69 | package Other; |
70 | use constant foo => "bar"; |
71 | } |
72 | |
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73 | lives_ok { |
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74 | ok(Class::MOP::is_class_loaded("Other"), 'is_class_loaded(Other)'); |
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75 | } |
76 | "a class with just constants is still a class"; |
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77 | |
78 | { |
79 | package Lala; |
80 | use metaclass; |
81 | } |
82 | |
83 | isa_ok( Class::MOP::load_class("Lala"), "Class::MOP::Class", "when an object has a metaclass it is returned" ); |
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84 | |
85 | lives_ok { |
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86 | is(Class::MOP::load_first_existing_class("Lala", "Does::Not::Exist"), "Lala", 'load_first_existing_class 1/2 params ok, class name returned'); |
87 | is(Class::MOP::load_first_existing_class("Does::Not::Exist", "Lala"), "Lala", 'load_first_existing_class 2/2 params ok, class name returned'); |
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88 | } 'load_classes works'; |
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89 | |
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90 | throws_ok { |
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91 | Class::MOP::load_first_existing_class("Does::Not::Exist", "Also::Does::Not::Exist") |
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92 | } qr/Could not load class \(Does::Not::Exist.*Could not load class \(Also::Does::Not::Exist/s, 'Multiple non-existant classes cause exception'; |
93 | |
b8575233 |
94 | { |
95 | sub whatever { |
96 | TestClassLoaded::this_method_does_not_even_exist(); |
97 | } |
98 | |
99 | ok( ! Class::MOP::is_class_loaded('TestClassLoaded'), |
100 | 'the mere mention of TestClassLoaded in the whatever sub does not make us think it has been loaded' ); |
101 | } |
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102 | |
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103 | { |
104 | require TestClassLoaded::Sub; |
105 | ok( ! Class::MOP::is_class_loaded('TestClassLoaded'), |
106 | 'requiring TestClassLoaded::Sub does not make us think TestClassLoaded is loaded' ); |
107 | } |
108 | |
109 | { |
110 | require TestClassLoaded; |
111 | ok( Class::MOP::is_class_loaded('TestClassLoaded'), |
112 | 'We see that TestClassLoaded is loaded after requiring it (it has methods but no $VERSION or @ISA)' ); |
113 | } |
114 | |
115 | { |
116 | require TestClassLoaded2; |
117 | ok( Class::MOP::is_class_loaded('TestClassLoaded2'), |
118 | 'We see that TestClassLoaded2 is loaded after requiring it (it has a $VERSION but no methods or @ISA)' ); |
119 | } |
120 | |
121 | { |
122 | require TestClassLoaded3; |
123 | ok( Class::MOP::is_class_loaded('TestClassLoaded3'), |
124 | 'We see that TestClassLoaded3 is loaded after requiring it (it has an @ISA but no methods or $VERSION)' ); |
125 | } |