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
|
#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
use Test::Exception;
my @trigger;
do {
package Class;
use Mouse;
has attr => (
is => 'rw',
default => 10,
trigger => sub {
push @trigger, [@_];
},
);
has foobar => ( # from Net::Google::DataAPI
is => 'rw',
isa => 'Str',
lazy => 1,
trigger => sub{ $_[0]->update },
default => sub{ 'piyo' },
clearer => 'clear_foobar',
);
sub update {
my($self) = @_;
$self->clear_foobar;
}
::lives_ok {
has not_error => (
is => 'ro',
trigger => sub { },
);
} "it's no longer an error to have trigger on a readonly attribute";
::throws_ok {
has error => (
is => 'ro',
trigger => [],
);
} qr/Trigger must be a CODE ref on attribute \(error\)/;
};
can_ok(Class => 'attr');
my $object = Class->new;
is(@trigger, 0, "trigger not called yet");
is($object->attr, 10, "default value");
is(@trigger, 0, "trigger not called on read");
is($object->attr(50), 50, "setting the value");
is(@trigger, 1, "trigger was called on read");
is_deeply([splice @trigger], [[$object, 50, 10]], "correct arguments to trigger in the accessor");
is($object->foobar, 'piyo');
lives_ok { $object->foobar('baz') } "triggers that clear the attr";
is($object->foobar, 'piyo', "call clearer in triggers");
my $object2 = Class->new(attr => 100);
is(@trigger, 1, "trigger was called on new with the attribute specified");
is_deeply([splice @trigger], [[$object2, 100]], "correct arguments to trigger in the constructor");
done_testing;
|
