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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 => 86; |
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7 | use Test::Exception; |
8 | |
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9 | use Class::MOP; |
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10 | |
11 | { |
12 | package Foo; |
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13 | |
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14 | use strict; |
15 | use warnings; |
16 | use metaclass; |
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17 | |
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18 | __PACKAGE__->meta->add_attribute('bar'); |
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19 | |
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20 | package Bar; |
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21 | |
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22 | use strict; |
23 | use warnings; |
24 | use metaclass; |
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25 | |
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26 | __PACKAGE__->meta->superclasses('Foo'); |
27 | |
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28 | __PACKAGE__->meta->add_attribute('baz'); |
29 | |
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30 | package Baz; |
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31 | |
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32 | use strict; |
33 | use warnings; |
34 | use metaclass; |
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35 | |
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36 | __PACKAGE__->meta->superclasses('Bar'); |
37 | |
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38 | __PACKAGE__->meta->add_attribute('bah'); |
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39 | } |
40 | |
41 | { |
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42 | my $meta = Foo->meta; |
43 | |
44 | my $transformer; |
45 | lives_ok{ $transformer = $meta->create_immutable_transformer } |
46 | "Created immutable transformer"; |
47 | isa_ok($transformer, 'Class::MOP::Immutable', '... transformer isa Class::MOP::Immutable'); |
48 | my $methods = $transformer->create_methods_for_immutable_metaclass; |
49 | |
50 | my $immutable_metaclass = $transformer->immutable_metaclass; |
51 | is($transformer->metaclass, $meta, '... transformer has correct metaclass'); |
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52 | ok(!$transformer->inlined_constructor, '... transformer says it did not inline the constructor'); |
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53 | ok($immutable_metaclass->is_anon_class, '... immutable_metaclass is an anonymous class'); |
54 | |
55 | #I don't understand why i need to ->meta here... |
56 | my $obj = $immutable_metaclass->name; |
57 | ok(!$obj->is_mutable, '... immutable_metaclass is not mutable'); |
58 | ok($obj->is_immutable, '... immutable_metaclass is immutable'); |
59 | ok(!$obj->make_immutable, '... immutable_metaclass make_mutable is noop'); |
60 | is($obj->meta, $immutable_metaclass, '... immutable_metaclass meta hack works'); |
61 | |
62 | is_deeply( |
63 | [ $immutable_metaclass->superclasses ], |
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64 | [ Scalar::Util::blessed($meta) ], |
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65 | '... immutable_metaclass superclasses are correct' |
66 | ); |
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67 | ok($immutable_metaclass->has_method('get_mutable_metaclass_name'), |
68 | 'immutable metaclass has get_mutable_metaclass_name method'); |
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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 | |
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79 | my $transformer = $meta->get_immutable_transformer; |
80 | |
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81 | lives_ok { |
82 | $meta->make_immutable(); |
83 | } '... changed Foo to be immutable'; |
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84 | |
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85 | ok($transformer->inlined_constructor, '... transformer says it did inline the constructor'); |
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86 | is($transformer, $meta->get_immutable_transformer, '... immutable transformer cache works'); |
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87 | ok(!$meta->make_immutable, '... make immutable now returns nothing'); |
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88 | |
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89 | ok(!$meta->is_mutable, '... our class is no longer mutable'); |
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90 | ok($meta->is_immutable, '... our class is now immutable'); |
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91 | |
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92 | isa_ok($meta, 'Class::MOP::Class'); |
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93 | |
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94 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
95 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
96 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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97 | |
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98 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
99 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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100 | |
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101 | dies_ok { $meta->add_package_symbol() } '... exception thrown as expected'; |
102 | dies_ok { $meta->remove_package_symbol() } '... exception thrown as expected'; |
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103 | |
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104 | lives_ok { $meta->identifier() } '... no exception for get_package_symbol special case'; |
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105 | |
106 | my @supers; |
107 | lives_ok { |
108 | @supers = $meta->superclasses; |
109 | } '... got the superclasses okay'; |
110 | |
111 | dies_ok { $meta->superclasses([ 'UNIVERSAL' ]) } '... but could not set the superclasses okay'; |
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112 | |
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113 | my $meta_instance; |
114 | lives_ok { |
115 | $meta_instance = $meta->get_meta_instance; |
116 | } '... got the meta instance okay'; |
117 | isa_ok($meta_instance, 'Class::MOP::Instance'); |
118 | is($meta_instance, $meta->get_meta_instance, '... and we know it is cached'); |
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119 | |
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120 | my @cpl; |
121 | lives_ok { |
122 | @cpl = $meta->class_precedence_list; |
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123 | } '... got the class precedence list okay'; |
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124 | is_deeply( |
125 | \@cpl, |
126 | [ 'Foo' ], |
127 | '... we just have ourselves in the class precedence list'); |
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128 | |
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129 | my @attributes; |
130 | lives_ok { |
131 | @attributes = $meta->compute_all_applicable_attributes; |
132 | } '... got the attribute list okay'; |
133 | is_deeply( |
134 | \@attributes, |
135 | [ $meta->get_attribute('bar') ], |
136 | '... got the right list of attributes'); |
137 | } |
138 | |
139 | { |
140 | my $meta = Bar->meta; |
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141 | is($meta->name, 'Bar', '... checking the Bar metaclass'); |
142 | |
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143 | ok($meta->is_mutable, '... our class is mutable'); |
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144 | ok(!$meta->is_immutable, '... our class is not immutable'); |
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145 | |
146 | lives_ok { |
147 | $meta->make_immutable(); |
148 | } '... changed Bar to be immutable'; |
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149 | |
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150 | ok(!$meta->make_immutable, '... make immutable now returns nothing'); |
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151 | |
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152 | ok(!$meta->is_mutable, '... our class is no longer mutable'); |
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153 | ok($meta->is_immutable, '... our class is now immutable'); |
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154 | |
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155 | isa_ok($meta, 'Class::MOP::Class'); |
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156 | |
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157 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
158 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
159 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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160 | |
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161 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
162 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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163 | |
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164 | dies_ok { $meta->add_package_symbol() } '... exception thrown as expected'; |
165 | dies_ok { $meta->remove_package_symbol() } '... exception thrown as expected'; |
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166 | |
167 | my @supers; |
168 | lives_ok { |
169 | @supers = $meta->superclasses; |
170 | } '... got the superclasses okay'; |
171 | |
172 | dies_ok { $meta->superclasses([ 'UNIVERSAL' ]) } '... but could not set the superclasses okay'; |
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173 | |
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174 | my $meta_instance; |
175 | lives_ok { |
176 | $meta_instance = $meta->get_meta_instance; |
177 | } '... got the meta instance okay'; |
178 | isa_ok($meta_instance, 'Class::MOP::Instance'); |
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179 | is($meta_instance, $meta->get_meta_instance, '... and we know it is cached'); |
180 | |
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181 | my @cpl; |
182 | lives_ok { |
183 | @cpl = $meta->class_precedence_list; |
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184 | } '... got the class precedence list okay'; |
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185 | is_deeply( |
186 | \@cpl, |
187 | [ 'Bar', 'Foo'], |
188 | '... we just have ourselves in the class precedence list'); |
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189 | |
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190 | my @attributes; |
191 | lives_ok { |
192 | @attributes = $meta->compute_all_applicable_attributes; |
193 | } '... got the attribute list okay'; |
194 | is_deeply( |
195 | [ sort { $a->name cmp $b->name } @attributes ], |
196 | [ Foo->meta->get_attribute('bar'), $meta->get_attribute('baz') ], |
197 | '... got the right list of attributes'); |
198 | } |
199 | |
200 | { |
201 | my $meta = Baz->meta; |
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202 | is($meta->name, 'Baz', '... checking the Baz metaclass'); |
203 | |
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204 | ok($meta->is_mutable, '... our class is mutable'); |
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205 | ok(!$meta->is_immutable, '... our class is not immutable'); |
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206 | |
207 | lives_ok { |
208 | $meta->make_immutable(); |
209 | } '... changed Baz to be immutable'; |
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210 | |
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211 | ok(!$meta->make_immutable, '... make immutable now returns nothing'); |
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212 | |
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213 | ok(!$meta->is_mutable, '... our class is no longer mutable'); |
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214 | ok($meta->is_immutable, '... our class is now immutable'); |
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215 | |
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216 | isa_ok($meta, 'Class::MOP::Class'); |
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217 | |
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218 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
219 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
220 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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221 | |
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222 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
223 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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224 | |
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225 | dies_ok { $meta->add_package_symbol() } '... exception thrown as expected'; |
226 | dies_ok { $meta->remove_package_symbol() } '... exception thrown as expected'; |
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227 | |
228 | my @supers; |
229 | lives_ok { |
230 | @supers = $meta->superclasses; |
231 | } '... got the superclasses okay'; |
232 | |
233 | dies_ok { $meta->superclasses([ 'UNIVERSAL' ]) } '... but could not set the superclasses okay'; |
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234 | |
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235 | my $meta_instance; |
236 | lives_ok { |
237 | $meta_instance = $meta->get_meta_instance; |
238 | } '... got the meta instance okay'; |
239 | isa_ok($meta_instance, 'Class::MOP::Instance'); |
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240 | is($meta_instance, $meta->get_meta_instance, '... and we know it is cached'); |
241 | |
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242 | my @cpl; |
243 | lives_ok { |
244 | @cpl = $meta->class_precedence_list; |
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245 | } '... got the class precedence list okay'; |
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246 | is_deeply( |
247 | \@cpl, |
248 | [ 'Baz', 'Bar', 'Foo'], |
249 | '... we just have ourselves in the class precedence list'); |
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250 | |
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251 | my @attributes; |
252 | lives_ok { |
253 | @attributes = $meta->compute_all_applicable_attributes; |
254 | } '... got the attribute list okay'; |
255 | is_deeply( |
256 | [ sort { $a->name cmp $b->name } @attributes ], |
257 | [ $meta->get_attribute('bah'), Foo->meta->get_attribute('bar'), Bar->meta->get_attribute('baz') ], |
258 | '... got the right list of attributes'); |
259 | } |
260 | |
261 | |