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1 | #!/usr/bin/perl |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
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6 | use Test::More tests => 84; |
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7 | use Test::Exception; |
8 | |
9 | BEGIN { |
10 | use_ok('Class::MOP'); |
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11 | } |
12 | |
13 | { |
14 | package Foo; |
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15 | |
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16 | use strict; |
17 | use warnings; |
18 | use metaclass; |
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19 | |
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20 | __PACKAGE__->meta->add_attribute('bar'); |
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21 | |
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22 | package Bar; |
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23 | |
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24 | use strict; |
25 | use warnings; |
26 | use metaclass; |
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27 | |
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28 | __PACKAGE__->meta->superclasses('Foo'); |
29 | |
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30 | __PACKAGE__->meta->add_attribute('baz'); |
31 | |
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32 | package Baz; |
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33 | |
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34 | use strict; |
35 | use warnings; |
36 | use metaclass; |
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37 | |
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38 | __PACKAGE__->meta->superclasses('Bar'); |
39 | |
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40 | __PACKAGE__->meta->add_attribute('bah'); |
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41 | } |
42 | |
43 | { |
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44 | my $meta = Foo->meta; |
45 | |
46 | my $transformer; |
47 | lives_ok{ $transformer = $meta->create_immutable_transformer } |
48 | "Created immutable transformer"; |
49 | isa_ok($transformer, 'Class::MOP::Immutable', '... transformer isa Class::MOP::Immutable'); |
50 | my $methods = $transformer->create_methods_for_immutable_metaclass; |
51 | |
52 | my $immutable_metaclass = $transformer->immutable_metaclass; |
53 | is($transformer->metaclass, $meta, '... transformer has correct metaclass'); |
54 | ok($immutable_metaclass->is_anon_class, '... immutable_metaclass is an anonymous class'); |
55 | |
56 | #I don't understand why i need to ->meta here... |
57 | my $obj = $immutable_metaclass->name; |
58 | ok(!$obj->is_mutable, '... immutable_metaclass is not mutable'); |
59 | ok($obj->is_immutable, '... immutable_metaclass is immutable'); |
60 | ok(!$obj->make_immutable, '... immutable_metaclass make_mutable is noop'); |
61 | is($obj->meta, $immutable_metaclass, '... immutable_metaclass meta hack works'); |
62 | |
63 | is_deeply( |
64 | [ $immutable_metaclass->superclasses ], |
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65 | [ Scalar::Util::blessed($meta) ], |
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66 | '... immutable_metaclass superclasses are correct' |
67 | ); |
68 | ok($immutable_metaclass->has_method('get_mutable_metaclass_name')); |
69 | |
70 | } |
71 | |
72 | { |
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73 | my $meta = Foo->meta; |
74 | is($meta->name, 'Foo', '... checking the Foo metaclass'); |
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75 | |
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76 | ok($meta->is_mutable, '... our class is mutable'); |
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77 | ok(!$meta->is_immutable, '... our class is not immutable'); |
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78 | |
79 | lives_ok { |
80 | $meta->make_immutable(); |
81 | } '... changed Foo to be immutable'; |
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82 | |
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83 | ok(!$meta->make_immutable, '... make immutable now returns nothing'); |
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84 | |
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85 | ok(!$meta->is_mutable, '... our class is no longer mutable'); |
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86 | ok($meta->is_immutable, '... our class is now immutable'); |
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87 | |
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88 | isa_ok($meta, 'Class::MOP::Class'); |
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89 | |
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90 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
91 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
92 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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93 | |
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94 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
95 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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96 | |
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97 | dies_ok { $meta->add_package_symbol() } '... exception thrown as expected'; |
98 | dies_ok { $meta->remove_package_symbol() } '... exception thrown as expected'; |
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99 | |
100 | lives_ok { $meta->identifier() } '... no exception for get_package_symbol special case'; |
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101 | |
102 | my @supers; |
103 | lives_ok { |
104 | @supers = $meta->superclasses; |
105 | } '... got the superclasses okay'; |
106 | |
107 | dies_ok { $meta->superclasses([ 'UNIVERSAL' ]) } '... but could not set the superclasses okay'; |
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108 | |
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109 | my $meta_instance; |
110 | lives_ok { |
111 | $meta_instance = $meta->get_meta_instance; |
112 | } '... got the meta instance okay'; |
113 | isa_ok($meta_instance, 'Class::MOP::Instance'); |
114 | is($meta_instance, $meta->get_meta_instance, '... and we know it is cached'); |
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115 | |
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116 | my @cpl; |
117 | lives_ok { |
118 | @cpl = $meta->class_precedence_list; |
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119 | } '... got the class precedence list okay'; |
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120 | is_deeply( |
121 | \@cpl, |
122 | [ 'Foo' ], |
123 | '... we just have ourselves in the class precedence list'); |
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124 | |
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125 | my @attributes; |
126 | lives_ok { |
127 | @attributes = $meta->compute_all_applicable_attributes; |
128 | } '... got the attribute list okay'; |
129 | is_deeply( |
130 | \@attributes, |
131 | [ $meta->get_attribute('bar') ], |
132 | '... got the right list of attributes'); |
133 | } |
134 | |
135 | { |
136 | my $meta = Bar->meta; |
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137 | is($meta->name, 'Bar', '... checking the Bar metaclass'); |
138 | |
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139 | ok($meta->is_mutable, '... our class is mutable'); |
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140 | ok(!$meta->is_immutable, '... our class is not immutable'); |
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141 | |
142 | lives_ok { |
143 | $meta->make_immutable(); |
144 | } '... changed Bar to be immutable'; |
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145 | |
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146 | ok(!$meta->make_immutable, '... make immutable now returns nothing'); |
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147 | |
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148 | ok(!$meta->is_mutable, '... our class is no longer mutable'); |
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149 | ok($meta->is_immutable, '... our class is now immutable'); |
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150 | |
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151 | isa_ok($meta, 'Class::MOP::Class'); |
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152 | |
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153 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
154 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
155 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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156 | |
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157 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
158 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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159 | |
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160 | dies_ok { $meta->add_package_symbol() } '... exception thrown as expected'; |
161 | dies_ok { $meta->remove_package_symbol() } '... exception thrown as expected'; |
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162 | |
163 | my @supers; |
164 | lives_ok { |
165 | @supers = $meta->superclasses; |
166 | } '... got the superclasses okay'; |
167 | |
168 | dies_ok { $meta->superclasses([ 'UNIVERSAL' ]) } '... but could not set the superclasses okay'; |
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169 | |
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170 | my $meta_instance; |
171 | lives_ok { |
172 | $meta_instance = $meta->get_meta_instance; |
173 | } '... got the meta instance okay'; |
174 | isa_ok($meta_instance, 'Class::MOP::Instance'); |
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175 | is($meta_instance, $meta->get_meta_instance, '... and we know it is cached'); |
176 | |
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177 | my @cpl; |
178 | lives_ok { |
179 | @cpl = $meta->class_precedence_list; |
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180 | } '... got the class precedence list okay'; |
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181 | is_deeply( |
182 | \@cpl, |
183 | [ 'Bar', 'Foo'], |
184 | '... we just have ourselves in the class precedence list'); |
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185 | |
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186 | my @attributes; |
187 | lives_ok { |
188 | @attributes = $meta->compute_all_applicable_attributes; |
189 | } '... got the attribute list okay'; |
190 | is_deeply( |
191 | [ sort { $a->name cmp $b->name } @attributes ], |
192 | [ Foo->meta->get_attribute('bar'), $meta->get_attribute('baz') ], |
193 | '... got the right list of attributes'); |
194 | } |
195 | |
196 | { |
197 | my $meta = Baz->meta; |
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198 | is($meta->name, 'Baz', '... checking the Baz metaclass'); |
199 | |
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200 | ok($meta->is_mutable, '... our class is mutable'); |
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201 | ok(!$meta->is_immutable, '... our class is not immutable'); |
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202 | |
203 | lives_ok { |
204 | $meta->make_immutable(); |
205 | } '... changed Baz to be immutable'; |
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206 | |
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207 | ok(!$meta->make_immutable, '... make immutable now returns nothing'); |
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208 | |
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209 | ok(!$meta->is_mutable, '... our class is no longer mutable'); |
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210 | ok($meta->is_immutable, '... our class is now immutable'); |
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211 | |
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212 | isa_ok($meta, 'Class::MOP::Class'); |
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213 | |
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214 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
215 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
216 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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217 | |
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218 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
219 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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220 | |
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221 | dies_ok { $meta->add_package_symbol() } '... exception thrown as expected'; |
222 | dies_ok { $meta->remove_package_symbol() } '... exception thrown as expected'; |
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223 | |
224 | my @supers; |
225 | lives_ok { |
226 | @supers = $meta->superclasses; |
227 | } '... got the superclasses okay'; |
228 | |
229 | dies_ok { $meta->superclasses([ 'UNIVERSAL' ]) } '... but could not set the superclasses okay'; |
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230 | |
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231 | my $meta_instance; |
232 | lives_ok { |
233 | $meta_instance = $meta->get_meta_instance; |
234 | } '... got the meta instance okay'; |
235 | isa_ok($meta_instance, 'Class::MOP::Instance'); |
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236 | is($meta_instance, $meta->get_meta_instance, '... and we know it is cached'); |
237 | |
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238 | my @cpl; |
239 | lives_ok { |
240 | @cpl = $meta->class_precedence_list; |
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241 | } '... got the class precedence list okay'; |
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242 | is_deeply( |
243 | \@cpl, |
244 | [ 'Baz', 'Bar', 'Foo'], |
245 | '... we just have ourselves in the class precedence list'); |
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246 | |
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247 | my @attributes; |
248 | lives_ok { |
249 | @attributes = $meta->compute_all_applicable_attributes; |
250 | } '... got the attribute list okay'; |
251 | is_deeply( |
252 | [ sort { $a->name cmp $b->name } @attributes ], |
253 | [ $meta->get_attribute('bah'), Foo->meta->get_attribute('bar'), Bar->meta->get_attribute('baz') ], |
254 | '... got the right list of attributes'); |
255 | } |
256 | |
257 | |