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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 | { |
11 | package HasClassAttribute; |
12 | |
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13 | use Moose qw( has ); |
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14 | use MooseX::ClassAttribute; |
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15 | use MooseX::AttributeHelpers; |
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16 | |
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17 | use vars qw($Lazy); |
18 | $Lazy = 0; |
19 | |
20 | class_has 'ObjectCount' => |
21 | ( is => 'rw', |
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22 | isa => 'Int', |
23 | default => 0, |
24 | ); |
25 | |
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26 | class_has 'WeakAttribute' => |
27 | ( is => 'rw', |
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28 | isa => 'Object', |
29 | weak_ref => 1, |
30 | ); |
31 | |
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32 | class_has 'LazyAttribute' => |
33 | ( is => 'rw', |
34 | isa => 'Int', |
35 | lazy => 1, |
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' ], |
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60 | # if it's not lazy it makes a new object before we define |
61 | # Delegatee's attributes. |
62 | lazy => 1, |
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63 | default => sub { Delegatee->new() }, |
64 | ); |
65 | |
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66 | class_has 'Mapping' => |
67 | ( metaclass => 'Collection::Hash', |
68 | is => 'rw', |
69 | isa => 'HashRef[Str]', |
70 | default => sub { {} }, |
71 | provides => |
72 | { exists => 'ExistsInMapping', |
73 | keys => 'IdsInMapping', |
74 | get => 'GetMapping', |
75 | set => 'SetMapping', |
76 | }, |
77 | ); |
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78 | |
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79 | has 'size' => |
80 | ( is => 'rw', |
81 | isa => 'Int', |
82 | default => 5, |
83 | ); |
84 | |
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85 | no Moose; |
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86 | |
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87 | sub BUILD |
88 | { |
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89 | my $self = shift; |
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90 | |
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91 | $self->ObjectCount( $self->ObjectCount() + 1 ); |
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92 | } |
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93 | |
94 | sub make_immutable |
95 | { |
96 | my $class = shift; |
97 | |
98 | $class->meta()->make_immutable(); |
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99 | Delegatee->meta()->make_immutable(); |
100 | } |
101 | } |
102 | |
103 | { |
104 | package Delegatee; |
105 | |
106 | use Moose; |
107 | |
108 | has 'units' => |
109 | ( is => 'ro', |
110 | default => 5, |
111 | ); |
112 | |
113 | has 'color' => |
114 | ( is => 'ro', |
115 | default => 'blue', |
116 | ); |
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117 | |
118 | no Moose; |
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119 | } |
120 | |
121 | { |
122 | package Child; |
123 | |
124 | use Moose; |
125 | use MooseX::ClassAttribute; |
126 | |
127 | extends 'HasClassAttribute'; |
128 | |
129 | class_has '+ReadOnlyAttribute' => |
130 | ( default => 30 ); |
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131 | |
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132 | class_has 'YetAnotherAttribute' => |
133 | ( is => 'ro', |
134 | default => 'thing', |
135 | ); |
136 | |
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137 | no Moose; |
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138 | } |
139 | |
140 | sub run_tests |
141 | { |
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142 | plan tests => 24; |
143 | |
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144 | local $Test::Builder::Level = $Test::Builder::Level + 1; |
145 | |
146 | { |
147 | is( HasClassAttribute->ObjectCount(), 0, |
148 | 'ObjectCount() is 0' ); |
149 | |
150 | my $hca1 = HasClassAttribute->new(); |
151 | is( $hca1->size(), 5, |
152 | 'size is 5 - object attribute works as expected' ); |
153 | is( HasClassAttribute->ObjectCount(), 1, |
154 | 'ObjectCount() is 1' ); |
155 | |
156 | my $hca2 = HasClassAttribute->new( size => 10 ); |
157 | is( $hca2->size(), 10, |
158 | 'size is 10 - object attribute can be set via constructor' ); |
159 | is( HasClassAttribute->ObjectCount(), 2, |
160 | 'ObjectCount() is 2' ); |
161 | is( $hca2->ObjectCount(), 2, |
162 | 'ObjectCount() is 2 - can call class attribute accessor on object' ); |
163 | } |
164 | |
165 | { |
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166 | my $hca3 = HasClassAttribute->new( ObjectCount => 20 ); |
167 | is( $hca3->ObjectCount(), 3, |
168 | 'class attributes passed to the constructor do not get set in the object' ); |
169 | is( HasClassAttribute->ObjectCount(), 3, |
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170 | 'class attributes are not affected by constructor params' ); |
171 | } |
172 | |
173 | { |
174 | my $object = bless {}, 'Thing'; |
175 | |
176 | HasClassAttribute->WeakAttribute($object); |
177 | |
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178 | undef $object; |
179 | |
180 | ok( ! defined HasClassAttribute->WeakAttribute(), |
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181 | 'weak class attributes are weak' ); |
182 | } |
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183 | |
184 | { |
185 | is( $HasClassAttribute::Lazy, 0, |
186 | '$HasClassAttribute::Lazy is 0' ); |
187 | |
188 | is( HasClassAttribute->LazyAttribute(), 1, |
189 | 'HasClassAttribute->LazyAttribute() is 1' ); |
190 | |
191 | is( $HasClassAttribute::Lazy, 1, |
192 | '$HasClassAttribute::Lazy is 1 after calling LazyAttribute' ); |
193 | } |
194 | |
195 | { |
196 | eval { HasClassAttribute->ReadOnlyAttribute(20) }; |
197 | like( $@, qr/\QCannot assign a value to a read-only accessor/, |
198 | 'cannot set read-only class attribute' ); |
199 | } |
200 | |
201 | { |
202 | is( Child->ReadOnlyAttribute(), 30, |
203 | q{Child class can extend parent's class attribute} ); |
204 | } |
205 | |
206 | { |
207 | ok( ! HasClassAttribute->HasM(), |
208 | 'HasM() returns false before M is set' ); |
209 | |
210 | HasClassAttribute->SetM(22); |
211 | |
212 | ok( HasClassAttribute->HasM(), |
213 | 'HasM() returns true after M is set' ); |
214 | is( HasClassAttribute->M(), 22, |
215 | 'M() returns 22' ); |
216 | |
217 | HasClassAttribute->ClearM(); |
218 | |
219 | ok( ! HasClassAttribute->HasM(), |
220 | 'HasM() returns false after M is cleared' ); |
221 | } |
222 | |
223 | { |
224 | isa_ok( HasClassAttribute->Delegatee(), 'Delegatee', |
225 | 'has a Delegetee object' ); |
226 | is( HasClassAttribute->units(), 5, |
227 | 'units() delegates to Delegatee and returns 5' ); |
228 | } |
229 | |
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230 | { |
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231 | my @ids = HasClassAttribute->IdsInMapping(); |
232 | is( scalar @ids, 0, |
233 | 'there are no keys in the mapping yet' ); |
234 | |
235 | ok( ! HasClassAttribute->ExistsInMapping('a'), |
236 | 'key does not exist in mapping' ); |
237 | |
238 | HasClassAttribute->SetMapping( a => 20 ); |
239 | |
240 | ok( HasClassAttribute->ExistsInMapping('a'), |
241 | 'key does exist in mapping' ); |
242 | |
243 | is( HasClassAttribute->GetMapping('a'), 20, |
244 | 'value for a in mapping is 20' ); |
245 | } |
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246 | } |
247 | |
248 | |
249 | 1; |