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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 => 70; |
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7 | use Test::Exception; |
8 | |
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9 | use Class::MOP; |
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10 | |
11 | my $FOO_ATTR = Class::MOP::Attribute->new('$foo'); |
12 | my $BAR_ATTR = Class::MOP::Attribute->new('$bar' => ( |
13 | accessor => 'bar' |
14 | )); |
15 | my $BAZ_ATTR = Class::MOP::Attribute->new('$baz' => ( |
16 | reader => 'get_baz', |
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17 | writer => 'set_baz', |
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18 | )); |
19 | |
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20 | my $BAR_ATTR_2 = Class::MOP::Attribute->new('$bar'); |
21 | |
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22 | my $FOO_ATTR_2 = Class::MOP::Attribute->new('$foo' => ( |
23 | accessor => 'foo', |
24 | builder => 'build_foo' |
25 | )); |
26 | |
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27 | is($FOO_ATTR->name, '$foo', '... got the attributes name correctly'); |
28 | is($BAR_ATTR->name, '$bar', '... got the attributes name correctly'); |
29 | is($BAZ_ATTR->name, '$baz', '... got the attributes name correctly'); |
30 | |
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31 | { |
32 | package Foo; |
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33 | use metaclass; |
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34 | |
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35 | my $meta = Foo->meta; |
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36 | ::lives_ok { |
37 | $meta->add_attribute($FOO_ATTR); |
38 | } '... we added an attribute to Foo successfully'; |
39 | ::ok($meta->has_attribute('$foo'), '... Foo has $foo attribute'); |
40 | ::is($meta->get_attribute('$foo'), $FOO_ATTR, '... got the right attribute back for Foo'); |
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41 | |
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42 | ::ok(!$meta->has_method('foo'), '... no accessor created'); |
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43 | |
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44 | ::lives_ok { |
45 | $meta->add_attribute($BAR_ATTR_2); |
46 | } '... we added an attribute to Foo successfully'; |
47 | ::ok($meta->has_attribute('$bar'), '... Foo has $bar attribute'); |
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48 | ::is($meta->get_attribute('$bar'), $BAR_ATTR_2, '... got the right attribute back for Foo'); |
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49 | |
50 | ::ok(!$meta->has_method('bar'), '... no accessor created'); |
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51 | } |
52 | { |
53 | package Bar; |
54 | our @ISA = ('Foo'); |
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55 | |
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56 | my $meta = Bar->meta; |
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57 | ::lives_ok { |
58 | $meta->add_attribute($BAR_ATTR); |
59 | } '... we added an attribute to Bar successfully'; |
60 | ::ok($meta->has_attribute('$bar'), '... Bar has $bar attribute'); |
61 | ::is($meta->get_attribute('$bar'), $BAR_ATTR, '... got the right attribute back for Bar'); |
62 | |
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63 | my $attr = $meta->get_attribute('$bar'); |
64 | ::is($attr->get_read_method, 'bar', '... got the right read method for Bar'); |
65 | ::is($attr->get_write_method, 'bar', '... got the right write method for Bar'); |
66 | |
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67 | ::ok($meta->has_method('bar'), '... an accessor has been created'); |
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68 | ::isa_ok($meta->get_method('bar'), 'Class::MOP::Method::Accessor'); |
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69 | } |
70 | { |
71 | package Baz; |
72 | our @ISA = ('Bar'); |
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73 | |
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74 | my $meta = Baz->meta; |
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75 | ::lives_ok { |
76 | $meta->add_attribute($BAZ_ATTR); |
77 | } '... we added an attribute to Baz successfully'; |
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78 | ::ok($meta->has_attribute('$baz'), '... Baz has $baz attribute'); |
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79 | ::is($meta->get_attribute('$baz'), $BAZ_ATTR, '... got the right attribute back for Baz'); |
80 | |
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81 | my $attr = $meta->get_attribute('$baz'); |
82 | ::is($attr->get_read_method, 'get_baz', '... got the right read method for Baz'); |
83 | ::is($attr->get_write_method, 'set_baz', '... got the right write method for Baz'); |
84 | |
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85 | ::ok($meta->has_method('get_baz'), '... a reader has been created'); |
86 | ::ok($meta->has_method('set_baz'), '... a writer has been created'); |
87 | |
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88 | ::isa_ok($meta->get_method('get_baz'), 'Class::MOP::Method::Accessor'); |
89 | ::isa_ok($meta->get_method('set_baz'), 'Class::MOP::Method::Accessor'); |
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90 | } |
91 | |
92 | { |
93 | my $meta = Baz->meta; |
94 | isa_ok($meta, 'Class::MOP::Class'); |
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95 | |
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96 | is($meta->find_attribute_by_name('$bar'), $BAR_ATTR, '... got the right attribute for "bar"'); |
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97 | is($meta->find_attribute_by_name('$baz'), $BAZ_ATTR, '... got the right attribute for "baz"'); |
98 | is($meta->find_attribute_by_name('$foo'), $FOO_ATTR, '... got the right attribute for "foo"'); |
99 | |
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100 | is_deeply( |
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101 | [ sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
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102 | [ |
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103 | $BAR_ATTR, |
104 | $BAZ_ATTR, |
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105 | $FOO_ATTR, |
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106 | ], |
107 | '... got the right list of applicable attributes for Baz'); |
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108 | |
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109 | is_deeply( |
110 | [ map { $_->associated_class } sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
111 | [ Bar->meta, Baz->meta, Foo->meta ], |
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112 | '... got the right list of associated classes from the applicable attributes for Baz'); |
113 | |
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114 | my $attr; |
115 | lives_ok { |
116 | $attr = $meta->remove_attribute('$baz'); |
117 | } '... removed the $baz attribute successfully'; |
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118 | is($attr, $BAZ_ATTR, '... got the right attribute back for Baz'); |
119 | |
120 | ok(!$meta->has_attribute('$baz'), '... Baz no longer has $baz attribute'); |
121 | is($meta->get_attribute('$baz'), undef, '... Baz no longer has $baz attribute'); |
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122 | |
123 | ok(!$meta->has_method('get_baz'), '... a reader has been removed'); |
124 | ok(!$meta->has_method('set_baz'), '... a writer has been removed'); |
125 | |
126 | is_deeply( |
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127 | [ sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
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128 | [ |
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129 | $BAR_ATTR, |
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130 | $FOO_ATTR, |
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131 | ], |
132 | '... got the right list of applicable attributes for Baz'); |
133 | |
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134 | is_deeply( |
135 | [ map { $_->associated_class } sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
136 | [ Bar->meta, Foo->meta ], |
137 | '... got the right list of associated classes from the applicable attributes for Baz'); |
138 | |
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139 | { |
140 | my $attr; |
141 | lives_ok { |
142 | $attr = Bar->meta->remove_attribute('$bar'); |
143 | } '... removed the $bar attribute successfully'; |
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144 | is($attr, $BAR_ATTR, '... got the right attribute back for Bar'); |
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145 | |
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146 | ok(!Bar->meta->has_attribute('$bar'), '... Bar no longer has $bar attribute'); |
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147 | |
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148 | ok(!Bar->meta->has_method('bar'), '... a accessor has been removed'); |
149 | } |
150 | |
151 | is_deeply( |
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152 | [ sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
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153 | [ |
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154 | $BAR_ATTR_2, |
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155 | $FOO_ATTR, |
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156 | ], |
157 | '... got the right list of applicable attributes for Baz'); |
158 | |
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159 | is_deeply( |
160 | [ map { $_->associated_class } sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
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161 | [ Foo->meta, Foo->meta ], |
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162 | '... got the right list of associated classes from the applicable attributes for Baz'); |
163 | |
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164 | # remove attribute which is not there |
165 | my $val; |
166 | lives_ok { |
167 | $val = $meta->remove_attribute('$blammo'); |
168 | } '... attempted to remove the non-existent $blammo attribute'; |
169 | is($val, undef, '... got the right value back (undef)'); |
170 | |
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171 | } |
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172 | |
173 | { |
174 | package Buzz; |
175 | use metaclass; |
176 | use Scalar::Util qw/blessed/; |
177 | |
178 | my $meta = Buzz->meta; |
179 | ::lives_ok { |
180 | $meta->add_attribute($FOO_ATTR_2); |
181 | } '... we added an attribute to Buzz successfully'; |
182 | |
183 | ::lives_ok { |
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184 | $meta->add_attribute( |
185 | Class::MOP::Attribute->new( |
186 | '$bar' => ( |
187 | accessor => 'bar', |
188 | predicate => 'has_bar', |
189 | clearer => 'clear_bar', |
190 | ) |
191 | ) |
192 | ); |
193 | } '... we added an attribute to Buzz successfully'; |
194 | |
195 | ::lives_ok { |
196 | $meta->add_attribute( |
197 | Class::MOP::Attribute->new( |
198 | '$bah' => ( |
199 | accessor => 'bah', |
200 | predicate => 'has_bah', |
201 | clearer => 'clear_bah', |
202 | default => 'BAH', |
203 | ) |
204 | ) |
205 | ); |
206 | } '... we added an attribute to Buzz successfully'; |
207 | |
208 | ::lives_ok { |
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209 | $meta->add_method(build_foo => sub{ blessed shift; }); |
210 | } '... we added a method to Buzz successfully'; |
211 | } |
212 | |
213 | { |
214 | my $buzz; |
215 | ::lives_ok { $buzz = Buzz->meta->new_object } '...Buzz instantiated successfully'; |
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216 | ::is($buzz->foo, 'Buzz', '...foo builder works as expected'); |
217 | ::ok(!$buzz->has_bar, '...bar is not set'); |
218 | ::is($buzz->bar, undef, '...bar returns undef'); |
219 | ::ok(!$buzz->has_bar, '...bar was not autovivified'); |
220 | |
221 | $buzz->bar(undef); |
222 | ::ok($buzz->has_bar, '...bar is set'); |
223 | ::is($buzz->bar, undef, '...bar is undef'); |
224 | $buzz->clear_bar; |
225 | ::ok(!$buzz->has_bar, '...bar is no longerset'); |
226 | |
227 | my $buzz2; |
228 | ::lives_ok { $buzz2 = Buzz->meta->new_object('$bar' => undef) } '...Buzz instantiated successfully'; |
229 | ::ok($buzz2->has_bar, '...bar is set'); |
230 | ::is($buzz2->bar, undef, '...bar is undef'); |
231 | |
232 | } |
233 | |
234 | { |
235 | my $buzz; |
236 | ::lives_ok { $buzz = Buzz->meta->new_object } '...Buzz instantiated successfully'; |
237 | ::ok($buzz->has_bah, '...bah is set'); |
238 | ::is($buzz->bah, 'BAH', '...bah returns "BAH" '); |
239 | |
240 | my $buzz2; |
241 | ::lives_ok { $buzz2 = Buzz->meta->new_object('$bah' => undef) } '...Buzz instantiated successfully'; |
242 | ::ok($buzz2->has_bah, '...bah is set'); |
243 | ::is($buzz2->bah, undef, '...bah is undef'); |
244 | |
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245 | } |