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1 | package SharedTests; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
6 | use Scalar::Util qw( isweak ); |
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7 | use Test::More; |
8 | |
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9 | { |
10 | package HasClassAttribute; |
11 | |
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12 | use Moose qw( has ); |
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13 | use MooseX::ClassAttribute; |
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14 | use MooseX::AttributeHelpers; |
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15 | |
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16 | use vars qw($Lazy); |
17 | $Lazy = 0; |
18 | |
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19 | class_has 'ObjectCount' => ( |
20 | is => 'rw', |
21 | isa => 'Int', |
22 | default => 0, |
23 | ); |
24 | |
25 | class_has 'WeakAttribute' => ( |
26 | is => 'rw', |
27 | isa => 'Object', |
28 | weak_ref => 1, |
29 | ); |
30 | |
31 | class_has 'LazyAttribute' => ( |
32 | is => 'rw', |
33 | isa => 'Int', |
34 | lazy => 1, |
35 | |
36 | # The side effect is used to test that this was called |
37 | # lazily. |
38 | default => sub { $Lazy = 1 }, |
39 | ); |
40 | |
41 | class_has 'ReadOnlyAttribute' => ( |
42 | is => 'ro', |
43 | isa => 'Int', |
44 | default => 10, |
45 | ); |
46 | |
47 | class_has 'ManyNames' => ( |
48 | is => 'rw', |
49 | isa => 'Int', |
50 | reader => 'M', |
51 | writer => 'SetM', |
52 | clearer => 'ClearM', |
53 | predicate => 'HasM', |
54 | ); |
55 | |
56 | class_has 'Delegatee' => ( |
57 | is => 'rw', |
58 | isa => 'Delegatee', |
59 | handles => [ 'units', 'color' ], |
60 | |
61 | # if it's not lazy it makes a new object before we define |
62 | # Delegatee's attributes. |
63 | lazy => 1, |
64 | default => sub { Delegatee->new() }, |
65 | ); |
66 | |
67 | class_has 'Mapping' => ( |
68 | metaclass => 'Collection::Hash', |
69 | is => 'rw', |
70 | isa => 'HashRef[Str]', |
71 | default => sub { {} }, |
72 | provides => { |
73 | exists => 'ExistsInMapping', |
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74 | keys => 'IdsInMapping', |
75 | get => 'GetMapping', |
76 | set => 'SetMapping', |
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77 | }, |
78 | ); |
79 | |
80 | class_has 'Built' => ( |
81 | is => 'ro', |
82 | builder => '_BuildIt', |
83 | ); |
84 | |
85 | class_has 'LazyBuilt' => ( |
86 | is => 'ro', |
87 | lazy => 1, |
88 | builder => '_BuildIt', |
89 | ); |
90 | |
91 | class_has 'Triggerish' => ( |
92 | is => 'rw', |
93 | trigger => sub { shift->_CallTrigger(@_) }, |
94 | ); |
95 | |
96 | has 'size' => ( |
97 | is => 'rw', |
98 | isa => 'Int', |
99 | default => 5, |
100 | ); |
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101 | |
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102 | no Moose; |
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103 | |
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104 | sub BUILD { |
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105 | my $self = shift; |
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106 | |
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107 | $self->ObjectCount( $self->ObjectCount() + 1 ); |
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108 | } |
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109 | |
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110 | sub _BuildIt {42} |
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111 | |
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112 | our @Triggered; |
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113 | |
114 | sub _CallTrigger { |
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115 | push @Triggered, [@_]; |
116 | } |
117 | |
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118 | sub make_immutable { |
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119 | my $class = shift; |
120 | |
121 | $class->meta()->make_immutable(); |
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122 | Delegatee->meta()->make_immutable(); |
123 | } |
124 | } |
125 | |
126 | { |
127 | package Delegatee; |
128 | |
129 | use Moose; |
130 | |
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131 | has 'units' => ( |
132 | is => 'ro', |
133 | default => 5, |
134 | ); |
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135 | |
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136 | has 'color' => ( |
137 | is => 'ro', |
138 | default => 'blue', |
139 | ); |
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140 | |
141 | no Moose; |
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142 | } |
143 | |
144 | { |
145 | package Child; |
146 | |
147 | use Moose; |
148 | use MooseX::ClassAttribute; |
149 | |
150 | extends 'HasClassAttribute'; |
151 | |
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152 | class_has '+ReadOnlyAttribute' => ( default => 30 ); |
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153 | |
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154 | class_has 'YetAnotherAttribute' => ( |
155 | is => 'ro', |
156 | default => 'thing', |
157 | ); |
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158 | |
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159 | no Moose; |
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160 | } |
161 | |
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162 | sub run_tests { |
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163 | local $Test::Builder::Level = $Test::Builder::Level + 1; |
164 | |
165 | { |
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166 | is( |
167 | HasClassAttribute->ObjectCount(), 0, |
168 | 'ObjectCount() is 0' |
169 | ); |
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170 | |
171 | my $hca1 = HasClassAttribute->new(); |
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172 | is( |
173 | $hca1->size(), 5, |
174 | 'size is 5 - object attribute works as expected' |
175 | ); |
176 | is( |
177 | HasClassAttribute->ObjectCount(), 1, |
178 | 'ObjectCount() is 1' |
179 | ); |
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180 | |
181 | my $hca2 = HasClassAttribute->new( size => 10 ); |
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182 | is( |
183 | $hca2->size(), 10, |
184 | 'size is 10 - object attribute can be set via constructor' |
185 | ); |
186 | is( |
187 | HasClassAttribute->ObjectCount(), 2, |
188 | 'ObjectCount() is 2' |
189 | ); |
190 | is( |
191 | $hca2->ObjectCount(), 2, |
192 | 'ObjectCount() is 2 - can call class attribute accessor on object' |
193 | ); |
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194 | } |
195 | |
196 | { |
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197 | my $hca3 = HasClassAttribute->new( ObjectCount => 20 ); |
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198 | is( |
199 | $hca3->ObjectCount(), 3, |
200 | 'class attributes passed to the constructor do not get set in the object' |
201 | ); |
202 | is( |
203 | HasClassAttribute->ObjectCount(), 3, |
204 | 'class attributes are not affected by constructor params' |
205 | ); |
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206 | } |
207 | |
208 | { |
209 | my $object = bless {}, 'Thing'; |
210 | |
211 | HasClassAttribute->WeakAttribute($object); |
212 | |
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213 | undef $object; |
214 | |
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215 | ok( |
216 | !defined HasClassAttribute->WeakAttribute(), |
217 | 'weak class attributes are weak' |
218 | ); |
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219 | } |
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220 | |
221 | { |
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222 | is( |
223 | $HasClassAttribute::Lazy, 0, |
224 | '$HasClassAttribute::Lazy is 0' |
225 | ); |
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226 | |
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227 | is( |
228 | HasClassAttribute->LazyAttribute(), 1, |
229 | 'HasClassAttribute->LazyAttribute() is 1' |
230 | ); |
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231 | |
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232 | is( |
233 | $HasClassAttribute::Lazy, 1, |
234 | '$HasClassAttribute::Lazy is 1 after calling LazyAttribute' |
235 | ); |
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236 | } |
237 | |
238 | { |
239 | eval { HasClassAttribute->ReadOnlyAttribute(20) }; |
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240 | like( |
241 | $@, qr/\QCannot assign a value to a read-only accessor/, |
242 | 'cannot set read-only class attribute' |
243 | ); |
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244 | } |
245 | |
246 | { |
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247 | is( |
248 | Child->ReadOnlyAttribute(), 30, |
249 | q{Child class can extend parent's class attribute} |
250 | ); |
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251 | } |
252 | |
253 | { |
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254 | ok( |
255 | !HasClassAttribute->HasM(), |
256 | 'HasM() returns false before M is set' |
257 | ); |
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258 | |
259 | HasClassAttribute->SetM(22); |
260 | |
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261 | ok( |
262 | HasClassAttribute->HasM(), |
263 | 'HasM() returns true after M is set' |
264 | ); |
265 | is( |
266 | HasClassAttribute->M(), 22, |
267 | 'M() returns 22' |
268 | ); |
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269 | |
270 | HasClassAttribute->ClearM(); |
271 | |
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272 | ok( |
273 | !HasClassAttribute->HasM(), |
274 | 'HasM() returns false after M is cleared' |
275 | ); |
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276 | } |
277 | |
278 | { |
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279 | isa_ok( |
280 | HasClassAttribute->Delegatee(), 'Delegatee', |
281 | 'has a Delegetee object' |
282 | ); |
283 | is( |
284 | HasClassAttribute->units(), 5, |
285 | 'units() delegates to Delegatee and returns 5' |
286 | ); |
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287 | } |
288 | |
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289 | { |
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290 | my @ids = HasClassAttribute->IdsInMapping(); |
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291 | is( |
292 | scalar @ids, 0, |
293 | 'there are no keys in the mapping yet' |
294 | ); |
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295 | |
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296 | ok( |
297 | !HasClassAttribute->ExistsInMapping('a'), |
298 | 'key does not exist in mapping' |
299 | ); |
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300 | |
301 | HasClassAttribute->SetMapping( a => 20 ); |
302 | |
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303 | ok( |
304 | HasClassAttribute->ExistsInMapping('a'), |
305 | 'key does exist in mapping' |
306 | ); |
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307 | |
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308 | is( |
309 | HasClassAttribute->GetMapping('a'), 20, |
310 | 'value for a in mapping is 20' |
311 | ); |
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312 | } |
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313 | |
314 | { |
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315 | is( |
316 | HasClassAttribute->Built(), 42, |
317 | 'attribute with builder works' |
318 | ); |
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319 | |
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320 | is( |
321 | HasClassAttribute->LazyBuilt(), 42, |
322 | 'attribute with lazy builder works' |
323 | ); |
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324 | } |
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325 | |
326 | { |
327 | HasClassAttribute->Triggerish(42); |
328 | is( scalar @HasClassAttribute::Triggered, 1, 'trigger was called' ); |
329 | is( HasClassAttribute->Triggerish(), 42, 'Triggerish is now 42' ); |
330 | |
331 | HasClassAttribute->Triggerish(84); |
332 | is( HasClassAttribute->Triggerish(), 84, 'Triggerish is now 84' ); |
333 | |
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334 | is_deeply( |
335 | \@HasClassAttribute::Triggered, |
336 | [ |
337 | [qw( HasClassAttribute 42 )], |
338 | [qw( HasClassAttribute 84 42 )], |
339 | ], |
340 | 'trigger passes old value correctly' |
341 | ); |
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342 | } |
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343 | |
344 | done_testing(); |
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345 | } |
346 | |
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347 | 1; |