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1 | use strict; |
2 | use warnings; |
3 | |
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4 | use Test::More tests => 70; |
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5 | use Test::Exception; |
6 | |
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7 | use Class::MOP; |
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8 | |
9 | my $FOO_ATTR = Class::MOP::Attribute->new('$foo'); |
10 | my $BAR_ATTR = Class::MOP::Attribute->new('$bar' => ( |
11 | accessor => 'bar' |
12 | )); |
13 | my $BAZ_ATTR = Class::MOP::Attribute->new('$baz' => ( |
14 | reader => 'get_baz', |
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15 | writer => 'set_baz', |
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16 | )); |
17 | |
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18 | my $BAR_ATTR_2 = Class::MOP::Attribute->new('$bar'); |
19 | |
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20 | my $FOO_ATTR_2 = Class::MOP::Attribute->new('$foo' => ( |
21 | accessor => 'foo', |
22 | builder => 'build_foo' |
23 | )); |
24 | |
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25 | is($FOO_ATTR->name, '$foo', '... got the attributes name correctly'); |
26 | is($BAR_ATTR->name, '$bar', '... got the attributes name correctly'); |
27 | is($BAZ_ATTR->name, '$baz', '... got the attributes name correctly'); |
28 | |
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29 | { |
30 | package Foo; |
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31 | use metaclass; |
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32 | |
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33 | my $meta = Foo->meta; |
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34 | ::lives_ok { |
35 | $meta->add_attribute($FOO_ATTR); |
36 | } '... we added an attribute to Foo successfully'; |
37 | ::ok($meta->has_attribute('$foo'), '... Foo has $foo attribute'); |
38 | ::is($meta->get_attribute('$foo'), $FOO_ATTR, '... got the right attribute back for Foo'); |
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39 | |
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40 | ::ok(!$meta->has_method('foo'), '... no accessor created'); |
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41 | |
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42 | ::lives_ok { |
43 | $meta->add_attribute($BAR_ATTR_2); |
44 | } '... we added an attribute to Foo successfully'; |
45 | ::ok($meta->has_attribute('$bar'), '... Foo has $bar attribute'); |
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46 | ::is($meta->get_attribute('$bar'), $BAR_ATTR_2, '... got the right attribute back for Foo'); |
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47 | |
48 | ::ok(!$meta->has_method('bar'), '... no accessor created'); |
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49 | } |
50 | { |
51 | package Bar; |
52 | our @ISA = ('Foo'); |
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53 | |
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54 | my $meta = Bar->meta; |
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55 | ::lives_ok { |
56 | $meta->add_attribute($BAR_ATTR); |
57 | } '... we added an attribute to Bar successfully'; |
58 | ::ok($meta->has_attribute('$bar'), '... Bar has $bar attribute'); |
59 | ::is($meta->get_attribute('$bar'), $BAR_ATTR, '... got the right attribute back for Bar'); |
60 | |
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61 | my $attr = $meta->get_attribute('$bar'); |
62 | ::is($attr->get_read_method, 'bar', '... got the right read method for Bar'); |
63 | ::is($attr->get_write_method, 'bar', '... got the right write method for Bar'); |
64 | |
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65 | ::ok($meta->has_method('bar'), '... an accessor has been created'); |
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66 | ::isa_ok($meta->get_method('bar'), 'Class::MOP::Method::Accessor'); |
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67 | } |
68 | { |
69 | package Baz; |
70 | our @ISA = ('Bar'); |
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71 | |
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72 | my $meta = Baz->meta; |
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73 | ::lives_ok { |
74 | $meta->add_attribute($BAZ_ATTR); |
75 | } '... we added an attribute to Baz successfully'; |
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76 | ::ok($meta->has_attribute('$baz'), '... Baz has $baz attribute'); |
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77 | ::is($meta->get_attribute('$baz'), $BAZ_ATTR, '... got the right attribute back for Baz'); |
78 | |
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79 | my $attr = $meta->get_attribute('$baz'); |
80 | ::is($attr->get_read_method, 'get_baz', '... got the right read method for Baz'); |
81 | ::is($attr->get_write_method, 'set_baz', '... got the right write method for Baz'); |
82 | |
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83 | ::ok($meta->has_method('get_baz'), '... a reader has been created'); |
84 | ::ok($meta->has_method('set_baz'), '... a writer has been created'); |
85 | |
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86 | ::isa_ok($meta->get_method('get_baz'), 'Class::MOP::Method::Accessor'); |
87 | ::isa_ok($meta->get_method('set_baz'), 'Class::MOP::Method::Accessor'); |
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88 | } |
89 | |
90 | { |
91 | my $meta = Baz->meta; |
92 | isa_ok($meta, 'Class::MOP::Class'); |
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93 | |
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94 | is($meta->find_attribute_by_name('$bar'), $BAR_ATTR, '... got the right attribute for "bar"'); |
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95 | is($meta->find_attribute_by_name('$baz'), $BAZ_ATTR, '... got the right attribute for "baz"'); |
96 | is($meta->find_attribute_by_name('$foo'), $FOO_ATTR, '... got the right attribute for "foo"'); |
97 | |
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98 | is_deeply( |
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99 | [ sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
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100 | [ |
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101 | $BAR_ATTR, |
102 | $BAZ_ATTR, |
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103 | $FOO_ATTR, |
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104 | ], |
105 | '... got the right list of applicable attributes for Baz'); |
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106 | |
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107 | is_deeply( |
108 | [ map { $_->associated_class } sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
109 | [ Bar->meta, Baz->meta, Foo->meta ], |
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110 | '... got the right list of associated classes from the applicable attributes for Baz'); |
111 | |
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112 | my $attr; |
113 | lives_ok { |
114 | $attr = $meta->remove_attribute('$baz'); |
115 | } '... removed the $baz attribute successfully'; |
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116 | is($attr, $BAZ_ATTR, '... got the right attribute back for Baz'); |
117 | |
118 | ok(!$meta->has_attribute('$baz'), '... Baz no longer has $baz attribute'); |
119 | is($meta->get_attribute('$baz'), undef, '... Baz no longer has $baz attribute'); |
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120 | |
121 | ok(!$meta->has_method('get_baz'), '... a reader has been removed'); |
122 | ok(!$meta->has_method('set_baz'), '... a writer has been removed'); |
123 | |
124 | is_deeply( |
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125 | [ sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
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126 | [ |
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127 | $BAR_ATTR, |
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128 | $FOO_ATTR, |
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129 | ], |
130 | '... got the right list of applicable attributes for Baz'); |
131 | |
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132 | is_deeply( |
133 | [ map { $_->associated_class } sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
134 | [ Bar->meta, Foo->meta ], |
135 | '... got the right list of associated classes from the applicable attributes for Baz'); |
136 | |
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137 | { |
138 | my $attr; |
139 | lives_ok { |
140 | $attr = Bar->meta->remove_attribute('$bar'); |
141 | } '... removed the $bar attribute successfully'; |
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142 | is($attr, $BAR_ATTR, '... got the right attribute back for Bar'); |
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143 | |
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144 | ok(!Bar->meta->has_attribute('$bar'), '... Bar no longer has $bar attribute'); |
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145 | |
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146 | ok(!Bar->meta->has_method('bar'), '... a accessor has been removed'); |
147 | } |
148 | |
149 | is_deeply( |
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150 | [ sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
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151 | [ |
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152 | $BAR_ATTR_2, |
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153 | $FOO_ATTR, |
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154 | ], |
155 | '... got the right list of applicable attributes for Baz'); |
156 | |
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157 | is_deeply( |
158 | [ map { $_->associated_class } sort { $a->name cmp $b->name } $meta->compute_all_applicable_attributes() ], |
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159 | [ Foo->meta, Foo->meta ], |
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160 | '... got the right list of associated classes from the applicable attributes for Baz'); |
161 | |
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162 | # remove attribute which is not there |
163 | my $val; |
164 | lives_ok { |
165 | $val = $meta->remove_attribute('$blammo'); |
166 | } '... attempted to remove the non-existent $blammo attribute'; |
167 | is($val, undef, '... got the right value back (undef)'); |
168 | |
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169 | } |
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170 | |
171 | { |
172 | package Buzz; |
173 | use metaclass; |
174 | use Scalar::Util qw/blessed/; |
175 | |
176 | my $meta = Buzz->meta; |
177 | ::lives_ok { |
178 | $meta->add_attribute($FOO_ATTR_2); |
179 | } '... we added an attribute to Buzz successfully'; |
180 | |
181 | ::lives_ok { |
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182 | $meta->add_attribute( |
183 | Class::MOP::Attribute->new( |
184 | '$bar' => ( |
185 | accessor => 'bar', |
186 | predicate => 'has_bar', |
187 | clearer => 'clear_bar', |
188 | ) |
189 | ) |
190 | ); |
191 | } '... we added an attribute to Buzz successfully'; |
192 | |
193 | ::lives_ok { |
194 | $meta->add_attribute( |
195 | Class::MOP::Attribute->new( |
196 | '$bah' => ( |
197 | accessor => 'bah', |
198 | predicate => 'has_bah', |
199 | clearer => 'clear_bah', |
200 | default => 'BAH', |
201 | ) |
202 | ) |
203 | ); |
204 | } '... we added an attribute to Buzz successfully'; |
205 | |
206 | ::lives_ok { |
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207 | $meta->add_method(build_foo => sub{ blessed shift; }); |
208 | } '... we added a method to Buzz successfully'; |
209 | } |
210 | |
211 | { |
212 | my $buzz; |
213 | ::lives_ok { $buzz = Buzz->meta->new_object } '...Buzz instantiated successfully'; |
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214 | ::is($buzz->foo, 'Buzz', '...foo builder works as expected'); |
215 | ::ok(!$buzz->has_bar, '...bar is not set'); |
216 | ::is($buzz->bar, undef, '...bar returns undef'); |
217 | ::ok(!$buzz->has_bar, '...bar was not autovivified'); |
218 | |
219 | $buzz->bar(undef); |
220 | ::ok($buzz->has_bar, '...bar is set'); |
221 | ::is($buzz->bar, undef, '...bar is undef'); |
222 | $buzz->clear_bar; |
223 | ::ok(!$buzz->has_bar, '...bar is no longerset'); |
224 | |
225 | my $buzz2; |
226 | ::lives_ok { $buzz2 = Buzz->meta->new_object('$bar' => undef) } '...Buzz instantiated successfully'; |
227 | ::ok($buzz2->has_bar, '...bar is set'); |
228 | ::is($buzz2->bar, undef, '...bar is undef'); |
229 | |
230 | } |
231 | |
232 | { |
233 | my $buzz; |
234 | ::lives_ok { $buzz = Buzz->meta->new_object } '...Buzz instantiated successfully'; |
235 | ::ok($buzz->has_bah, '...bah is set'); |
236 | ::is($buzz->bah, 'BAH', '...bah returns "BAH" '); |
237 | |
238 | my $buzz2; |
239 | ::lives_ok { $buzz2 = Buzz->meta->new_object('$bah' => undef) } '...Buzz instantiated successfully'; |
240 | ::ok($buzz2->has_bah, '...bah is set'); |
241 | ::is($buzz2->bah, undef, '...bah is undef'); |
242 | |
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243 | } |