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
|
use strict;
use warnings;
use Test::More;
use Test::Fatal;
use Moose::Meta::Role::Application::RoleSummation;
use Moose::Meta::Role::Composite;
{
package Role::Foo;
use Moose::Role;
override foo => sub { 'Role::Foo::foo' };
package Role::Bar;
use Moose::Role;
override bar => sub { 'Role::Bar::bar' };
package Role::FooConflict;
use Moose::Role;
override foo => sub { 'Role::FooConflict::foo' };
package Role::FooMethodConflict;
use Moose::Role;
sub foo { 'Role::FooConflict::foo' }
package Role::BarMethodConflict;
use Moose::Role;
sub bar { 'Role::BarConflict::bar' }
}
# test simple overrides
{
my $c = Moose::Meta::Role::Composite->new(
roles => [
Role::Foo->meta,
Role::Bar->meta,
]
);
isa_ok($c, 'Moose::Meta::Role::Composite');
is($c->name, 'Role::Foo|Role::Bar', '... got the composite role name');
is( exception {
Moose::Meta::Role::Application::RoleSummation->new->apply($c);
}, undef, '... this lives ok' );
is_deeply(
[ sort $c->get_method_modifier_list('override') ],
[ 'bar', 'foo' ],
'... got the right list of methods'
);
}
# test simple overrides w/ conflicts
isnt( exception {
Moose::Meta::Role::Application::RoleSummation->new->apply(
Moose::Meta::Role::Composite->new(
roles => [
Role::Foo->meta,
Role::FooConflict->meta,
]
)
);
}, undef, '... this fails as expected' );
# test simple overrides w/ conflicts
isnt( exception {
Moose::Meta::Role::Application::RoleSummation->new->apply(
Moose::Meta::Role::Composite->new(
roles => [
Role::Foo->meta,
Role::FooMethodConflict->meta,
]
)
);
}, undef, '... this fails as expected' );
# test simple overrides w/ conflicts
isnt( exception {
Moose::Meta::Role::Application::RoleSummation->new->apply(
Moose::Meta::Role::Composite->new(
roles => [
Role::Foo->meta,
Role::Bar->meta,
Role::FooConflict->meta,
]
)
);
}, undef, '... this fails as expected' );
# test simple overrides w/ conflicts
isnt( exception {
Moose::Meta::Role::Application::RoleSummation->new->apply(
Moose::Meta::Role::Composite->new(
roles => [
Role::Foo->meta,
Role::Bar->meta,
Role::FooMethodConflict->meta,
]
)
);
}, undef, '... this fails as expected' );
{
{
package Foo;
use Moose::Role;
override test => sub { print "override test in Foo" };
}
my $exception = exception {
{
package Bar;
use Moose::Role;
override test => sub { print "override test in Bar" };
with 'Foo';
}
};
like(
$exception,
qr/\QRole 'Foo' has encountered an 'override' method conflict during composition (Two 'override' methods of the same name encountered). This is a fatal error./,
"Foo & Bar, both roles are overriding test method");
}
{
{
package Role::A;
use Moose::Role;
override a_method => sub { "a method in A" };
}
{
package Role::B;
use Moose::Role;
with 'Role::A';
}
{
package Role::C;
use Moose::Role;
with 'Role::A'
}
my $exception = exception {
{
package Role::D;
use Moose::Role;
with 'Role::B';
with 'Role::C';
}
};
is( $exception, undef, "this works fine");
}
done_testing;
|
