1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
#!/usr/bin/perl
# This is automatically generated by author/import-moose-test.pl.
# DO NOT EDIT THIS FILE. ANY CHANGES WILL BE LOST!!!
use lib "t/lib";
use MooseCompat;
use strict;
use warnings;
use Test::More;
use Test::Exception;
{
package My::SimpleTrait;
use Mouse::Role;
sub simple { return 5 }
}
{
package Foo;
use Mouse -traits => [ 'My::SimpleTrait' ];
}
can_ok( Foo->meta(), 'simple' );
is( Foo->meta()->simple(), 5,
'Foo->meta()->simple() returns expected value' );
{
package Bar;
use Mouse -traits => 'My::SimpleTrait';
}
can_ok( Bar->meta(), 'simple' );
is( Bar->meta()->simple(), 5,
'Foo->meta()->simple() returns expected value' );
{
package My::SimpleTrait2;
use Mouse::Role;
# This needs to happen at compile time so it happens before we
# apply traits to Bar
BEGIN {
has 'attr' =>
( is => 'ro',
default => 'something',
);
}
sub simple { return 5 }
}
{
package Bar;
use Mouse -traits => [ 'My::SimpleTrait2' ];
}
can_ok( Bar->meta(), 'simple' );
is( Bar->meta()->simple(), 5,
'Bar->meta()->simple() returns expected value' );
can_ok( Bar->meta(), 'attr' );
is( Bar->meta()->attr(), 'something',
'Bar->meta()->attr() returns expected value' );
{
package My::SimpleTrait3;
use Mouse::Role;
BEGIN {
has 'attr2' =>
( is => 'ro',
default => 'something',
);
}
sub simple2 { return 55 }
}
{
package Baz;
use Mouse -traits => [ 'My::SimpleTrait2', 'My::SimpleTrait3' ];
}
can_ok( Baz->meta(), 'simple' );
is( Baz->meta()->simple(), 5,
'Baz->meta()->simple() returns expected value' );
can_ok( Baz->meta(), 'attr' );
is( Baz->meta()->attr(), 'something',
'Baz->meta()->attr() returns expected value' );
can_ok( Baz->meta(), 'simple2' );
is( Baz->meta()->simple2(), 55,
'Baz->meta()->simple2() returns expected value' );
can_ok( Baz->meta(), 'attr2' );
is( Baz->meta()->attr2(), 'something',
'Baz->meta()->attr2() returns expected value' );
{
package My::Trait::AlwaysRO;
use Mouse::Role;
around '_process_new_attribute', '_process_inherited_attribute' =>
sub {
my $orig = shift;
my ( $self, $name, %args ) = @_;
$args{is} = 'ro';
return $self->$orig( $name, %args );
};
}
{
package Quux;
use Mouse -traits => [ 'My::Trait::AlwaysRO' ];
has 'size' =>
( is => 'rw',
isa => 'Int',
);
}
ok( Quux->meta()->has_attribute('size'),
'Quux has size attribute' );
ok( ! Quux->meta()->get_attribute('size')->writer(),
'size attribute does not have a writer' );
{
package My::Class::Whatever;
use Mouse::Role;
sub whatever { 42 }
package Mouse::Meta::Class::Custom::Trait::Whatever;
sub register_implementation {
return 'My::Class::Whatever';
}
}
{
package RanOutOfNames;
use Mouse -traits => [ 'Whatever' ];
}
ok( RanOutOfNames->meta()->meta()->has_method('whatever'),
'RanOutOfNames->meta() has whatever method' );
{
package Role::Foo;
use Mouse::Role -traits => [ 'My::SimpleTrait' ];
}
can_ok( Role::Foo->meta(), 'simple' );
is( Role::Foo->meta()->simple(), 5,
'Role::Foo->meta()->simple() returns expected value' );
{
require Mouse::Util::TypeConstraints;
dies_ok( sub { Mouse::Util::TypeConstraints->import( -traits => 'My::SimpleTrait' ) },
'cannot provide -traits to an exporting module that does not init_meta' );
like( $@, qr/does not have an init_meta/,
'... and error provides a useful explanation' );
}
{
package Foo::Subclass;
use Mouse -traits => [ 'My::SimpleTrait3' ];
extends 'Foo';
}
can_ok( Foo::Subclass->meta(), 'simple' );
is( Foo::Subclass->meta()->simple(), 5,
'Foo::Subclass->meta()->simple() returns expected value' );
is( Foo::Subclass->meta()->simple2(), 55,
'Foo::Subclass->meta()->simple2() returns expected value' );
can_ok( Foo::Subclass->meta(), 'attr2' );
is( Foo::Subclass->meta()->attr2(), 'something',
'Foo::Subclass->meta()->attr2() returns expected value' );
{
package Class::WithAlreadyPresentTrait;
use Mouse -traits => 'My::SimpleTrait';
has an_attr => ( is => 'ro' );
}
lives_ok {
my $instance = Class::WithAlreadyPresentTrait->new( an_attr => 'value' );
is( $instance->an_attr, 'value', 'Can get value' );
}
'Can create instance and access attributes';
{
package Class::WhichLoadsATraitFromDisk;
# Any role you like here, the only important bit is that it gets
# loaded from disk and has not already been defined.
use Mouse -traits => 'Role::Parent';
has an_attr => ( is => 'ro' );
}
lives_ok {
my $instance = Class::WhichLoadsATraitFromDisk->new( an_attr => 'value' );
is( $instance->an_attr, 'value', 'Can get value' );
}
'Can create instance and access attributes';
done_testing;
|
