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
|
#!perl -T
use strict;
use warnings;
=head1 TEST PURPOSE
These tests exercise the handling of collections in the exporter option lists.
=cut
use Test::More tests => 8;
use Data::OptList qw(mkopt_hash);
BEGIN { use_ok('Sub::Exporter'); }
sub is_defined {
my ($class, $value, $arg) = @_;
return defined $value;
}
my $config = {
exports => [
qw(circsaw drill handsaw nailgun),
hammer => sub { sub { print "BANG BANG BANG\n" } },
],
groups => {
default => [
'handsaw',
'hammer' => { claw => 1 },
],
cutters => [ qw(circsaw handsaw), circsaw => { as => 'buzzsaw' } ],
},
collectors => [
'defaults',
brand_preference => sub { 0 },
model_preference => sub { 1 },
sets_own_value => sub { $_[0] = { foo => 10 } },
definedp => \'is_defined',
]
};
$config->{$_} = mkopt_hash($config->{$_})
for qw(exports collectors);
{
my $collection = Sub::Exporter::_collect_collections(
$config,
[ [ circsaw => undef ], [ defaults => { foo => 1, bar => 2 } ] ],
'main',
);
is_deeply(
$collection,
{ defaults => { foo => 1, bar => 2 } },
"collection returned properly from collector",
);
}
{
my $collection = Sub::Exporter::_collect_collections(
$config,
[ [ sets_own_value => undef ] ],
'main',
);
is_deeply(
$collection,
{ sets_own_value => { foo => 10} },
"a collector can alter the stack to change its own value",
);
}
{
my $arg = [ [ defaults => [ 1 ] ], [ defaults => { foo => 1, bar => 2 } ] ];
eval { Sub::Exporter::_collect_collections($config, $arg, 'main'); };
like(
$@,
qr/collection \S+ provided multiple/,
"can't provide multiple collection values",
);
}
{
# because the brand_preference validator always fails, this should die
my $arg = [ [ brand_preference => [ 1, 2, 3 ] ] ];
eval { Sub::Exporter::_collect_collections($config, $arg, 'main') };
like(
$@,
qr/brand_preference failed validation/,
"collector validator prevents bad export"
);
}
{
# the definedp collector should require a defined value; this should be ok
my $arg = [ [ definedp => {} ] ];
my $collection = Sub::Exporter::_collect_collections($config, $arg, 'main');
is_deeply(
$collection,
{ definedp => {} },
"collector validator allows collection"
);
}
{
# the definedp collector should require a defined value; this should die
my $arg = [ [ definedp => undef ] ];
eval { Sub::Exporter::_collect_collections($config, $arg, 'main') };
like(
$@,
qr/definedp failed validation/,
"collector validator prevents bad export"
);
}
{
my $arg = [ [ model_preference => [ 1, 2, 3 ] ] ];
my $collection = Sub::Exporter::_collect_collections($config, $arg, 'main');
is_deeply(
$collection,
{ model_preference => [ 1, 2, 3 ] },
"true-returning validator allows collection",
);
}
|
