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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 => 39; |
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7 | use Test::Exception; |
8 | |
9 | { |
10 | |
11 | package ChildASuper; |
12 | use Moose; |
13 | |
14 | sub child_a_super_method { "as" } |
15 | |
16 | package ChildA; |
17 | use Moose; |
18 | |
19 | extends "ChildASuper"; |
20 | |
21 | sub child_a_method_1 { "a1" } |
22 | sub child_a_method_2 { Scalar::Util::blessed($_[0]) . " a2" } |
23 | |
24 | package ChildASub; |
25 | use Moose; |
26 | |
27 | extends "ChildA"; |
28 | |
29 | sub child_a_method_3 { "a3" } |
30 | |
31 | package ChildB; |
32 | use Moose; |
33 | |
34 | sub child_b_method_1 { "b1" } |
35 | sub child_b_method_2 { "b2" } |
36 | sub child_b_method_3 { "b3" } |
37 | |
38 | package ChildC; |
39 | use Moose; |
40 | |
41 | sub child_c_method_1 { "c1" } |
42 | sub child_c_method_2 { "c2" } |
43 | sub child_c_method_3_la { "c3" } |
44 | sub child_c_method_4_la { "c4" } |
45 | |
46 | package ChildD; |
47 | use Moose; |
48 | |
49 | sub child_d_method_1 { "d1" } |
50 | sub child_d_method_2 { "d2" } |
51 | |
52 | package ChildE; |
53 | # no Moose |
54 | |
55 | sub new { bless {}, shift } |
56 | sub child_e_method_1 { "e1" } |
57 | sub child_e_method_2 { "e2" } |
58 | |
59 | package ChildF; |
60 | # no Moose |
61 | |
62 | sub new { bless {}, shift } |
63 | sub child_f_method_1 { "f1" } |
64 | sub child_f_method_2 { "f2" } |
65 | |
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66 | package ChildG; |
67 | use Moose; |
68 | |
69 | sub child_g_method_1 { "g1" } |
70 | |
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71 | package Parent; |
72 | use Moose; |
73 | |
74 | ::dies_ok { |
75 | has child_a => ( |
76 | is => "ro", |
77 | default => sub { ChildA->new }, |
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78 | handles => qr/.*/, |
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79 | ); |
80 | } "all_methods requires explicit isa"; |
81 | |
82 | ::lives_ok { |
83 | has child_a => ( |
84 | isa => "ChildA", |
85 | is => "ro", |
86 | default => sub { ChildA->new }, |
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87 | handles => qr/.*/, |
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88 | ); |
89 | } "allow all_methods with explicit isa"; |
90 | |
91 | ::lives_ok { |
92 | has child_b => ( |
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93 | is => 'ro', |
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94 | default => sub { ChildB->new }, |
95 | handles => [qw/child_b_method_1/], |
96 | ); |
97 | } "don't need to declare isa if method list is predefined"; |
98 | |
99 | ::lives_ok { |
100 | has child_c => ( |
101 | isa => "ChildC", |
102 | is => "ro", |
103 | default => sub { ChildC->new }, |
104 | handles => qr/_la$/, |
105 | ); |
106 | } "can declare regex collector"; |
107 | |
108 | ::dies_ok { |
109 | has child_d => ( |
110 | is => "ro", |
111 | default => sub { ChildD->new }, |
112 | handles => sub { |
113 | my ( $class, $delegate_class ) = @_; |
114 | } |
115 | ); |
116 | } "can't create attr with generative handles parameter and no isa"; |
117 | |
118 | ::lives_ok { |
119 | has child_d => ( |
120 | isa => "ChildD", |
121 | is => "ro", |
122 | default => sub { ChildD->new }, |
123 | handles => sub { |
124 | my ( $class, $delegate_class ) = @_; |
125 | return; |
126 | } |
127 | ); |
128 | } "can't create attr with generative handles parameter and no isa"; |
129 | |
130 | ::lives_ok { |
131 | has child_e => ( |
132 | isa => "ChildE", |
133 | is => "ro", |
134 | default => sub { ChildE->new }, |
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135 | handles => ["child_e_method_2"], |
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136 | ); |
137 | } "can delegate to non moose class using explicit method list"; |
138 | |
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139 | my $delegate_class; |
140 | ::lives_ok { |
141 | has child_f => ( |
142 | isa => "ChildF", |
143 | is => "ro", |
144 | default => sub { ChildF->new }, |
145 | handles => sub { |
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146 | $delegate_class = $_[1]->name; |
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147 | return; |
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148 | }, |
149 | ); |
150 | } "subrefs on non moose class give no meta"; |
151 | |
152 | ::is( $delegate_class, "ChildF", "plain classes are handed down to subs" ); |
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153 | |
154 | ::lives_ok { |
155 | has child_g => ( |
156 | isa => "ChildG", |
157 | default => sub { ChildG->new }, |
158 | handles => ["child_g_method_1"], |
159 | ); |
160 | } "can delegate to object even without explicit reader"; |
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161 | |
162 | sub parent_method { "p" } |
163 | } |
164 | |
165 | # sanity |
166 | |
167 | isa_ok( my $p = Parent->new, "Parent" ); |
168 | isa_ok( $p->child_a, "ChildA" ); |
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169 | isa_ok( $p->child_b, "ChildB" ); |
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170 | isa_ok( $p->child_c, "ChildC" ); |
171 | isa_ok( $p->child_d, "ChildD" ); |
172 | isa_ok( $p->child_e, "ChildE" ); |
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173 | isa_ok( $p->child_f, "ChildF" ); |
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174 | |
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175 | ok(!$p->can('child_g'), '... no child_g accessor defined'); |
176 | |
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177 | |
178 | is( $p->parent_method, "p", "parent method" ); |
179 | is( $p->child_a->child_a_super_method, "as", "child supermethod" ); |
180 | is( $p->child_a->child_a_method_1, "a1", "child method" ); |
181 | |
182 | can_ok( $p, "child_a_super_method" ); |
183 | can_ok( $p, "child_a_method_1" ); |
184 | can_ok( $p, "child_a_method_2" ); |
185 | ok( !$p->can( "child_a_method_3" ), "but not subclass of delegate class" ); |
186 | |
187 | is( $p->child_a_method_1, $p->child_a->child_a_method_1, "delegate behaves the same" ); |
188 | is( $p->child_a_method_2, "ChildA a2", "delegates are their own invocants" ); |
189 | |
190 | |
191 | can_ok( $p, "child_b_method_1" ); |
192 | ok( !$p->can("child_b_method_2"), "but not ChildB's unspecified siblings" ); |
193 | |
194 | |
195 | ok( !$p->can($_), "none of ChildD's methods ($_)" ) |
196 | for grep { /^child/ } map { $_->{name} } ChildD->meta->compute_all_applicable_methods(); |
197 | |
198 | can_ok( $p, "child_c_method_3_la" ); |
199 | can_ok( $p, "child_c_method_4_la" ); |
200 | |
201 | is( $p->child_c_method_3_la, "c3", "ChildC method delegated OK" ); |
202 | |
203 | can_ok( $p, "child_e_method_2" ); |
204 | ok( !$p->can("child_e_method_1"), "but not child_e_method_1"); |
205 | |
206 | is( $p->child_e_method_2, "e2", "delegate to non moose class (child_e_method_2)" ); |
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207 | |
208 | can_ok( $p, "child_g_method_1" ); |
209 | is( $p->child_g_method_1, "g1", "delegate to moose class without reader (child_g_method_1)" ); |