File: 23signal.t

package info (click to toggle)
libio-async-perl 0.64-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 1,068 kB
  • ctags: 491
  • sloc: perl: 12,530; makefile: 8
file content (148 lines) | stat: -rw-r--r-- 2,928 bytes parent folder | download | duplicates (5)
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
#!/usr/bin/perl

use strict;
use warnings;

use IO::Async::Test;

use Test::More;
use Test::Fatal;
use Test::Refcount;

use POSIX qw( SIGTERM );

use IO::Async::Signal;

use IO::Async::Loop;
use IO::Async::OS;

plan skip_all => "This OS does not have signals" unless IO::Async::OS->HAVE_SIGNALS;

my $loop = IO::Async::Loop->new_builtin;

testing_loop( $loop );

my $caught = 0;

my @rargs;

my $signal = IO::Async::Signal->new(
   name => 'TERM',
   on_receipt => sub { @rargs = @_; $caught++ },
);

ok( defined $signal, '$signal defined' );
isa_ok( $signal, "IO::Async::Signal", '$signal isa IO::Async::Signal' );

is_oneref( $signal, '$signal has refcount 1 initially' );

is( $signal->notifier_name, "TERM", '$signal->notifier_name' );

$loop->add( $signal );

is_refcount( $signal, 2, '$signal has refcount 2 after adding to Loop' );

$loop->loop_once( 0.1 ); # nothing happens

is( $caught, 0, '$caught idling' );

kill SIGTERM, $$;

wait_for { $caught };

is( $caught, 1, '$caught after raise' );
is_deeply( \@rargs, [ $signal ], 'on_receipt args after raise' );

my $caught2 = 0;

my $signal2 = IO::Async::Signal->new(
   name => 'TERM',
   on_receipt => sub { $caught2++ },
);

$loop->add( $signal2 );

undef $caught;

kill SIGTERM, $$;

wait_for { $caught };

is( $caught,  1, '$caught after raise' );
is( $caught2, 1, '$caught2 after raise' );

$loop->remove( $signal2 );

undef $caught; undef $caught2;

kill SIGTERM, $$;

wait_for { $caught };

is( $caught,  1,     '$caught after raise' );
is( $caught2, undef, '$caught2 after raise' );

undef $caught;
my $new_caught;
$signal->configure( on_receipt => sub { $new_caught++ } );

kill SIGTERM, $$;

wait_for { $new_caught };

is( $caught, undef, '$caught after raise after replace on_receipt' );
is( $new_caught, 1, '$new_caught after raise after replace on_receipt' );

undef @rargs;

is_refcount( $signal, 2, '$signal has refcount 2 before removing from Loop' );

$loop->remove( $signal );

is_oneref( $signal, '$signal has refcount 1 finally' );

undef $signal;

## Subclass

my $sub_caught = 0;

$signal = TestSignal->new(
   name => 'TERM',
);

ok( defined $signal, 'subclass $signal defined' );
isa_ok( $signal, "IO::Async::Signal", 'subclass $signal isa IO::Async::Signal' );

is_oneref( $signal, 'subclass $signal has refcount 1 initially' );

$loop->add( $signal );

is_refcount( $signal, 2, 'subclass $signal has refcount 2 after adding to Loop' );

$loop->loop_once( 0.1 ); # nothing happens

is( $sub_caught, 0, '$sub_caught idling' );

kill SIGTERM, $$;

wait_for { $sub_caught };

is( $sub_caught, 1, '$sub_caught after raise' );

ok( exception {
      my $signal = IO::Async::Signal->new(
         name => 'this signal name does not exist',
         on_receipt => sub {},
      );
      $loop->add( $signal );
   },
   'Bad signal name fails'
);

done_testing;

package TestSignal;
use base qw( IO::Async::Signal );

sub on_receipt { $sub_caught++ }