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#!/usr/bin/perl
use strict;
BEGIN {
$| = 1;
$^W = 1;
}
use Test::More tests => 24;
use Test::NoWarnings;
use Test::Exception;
use Aspect;
use Aspect::Library::Listenable;
# Set up the Listenable relationship types
aspect Listenable => (
Erase => call "Foo::set_erased",
);
aspect Listenable => (
Color => call "Foo::set_color",
color => 'get_color',
);
# Create a temporary lexical aspect to make sure we create lexical advice
SCOPE: {
my $lexical = aspect Listenable => (
Foo => call 'Baz::one',
);
isa_ok( $lexical, 'Aspect::Library::Listenable' );
}
######################################################################
# Main Tests
SCOPE: {
my $has_been_called = 0;
my $point = Foo->new;
add_listener( $point, Erase => my $listener = sub { $has_been_called = 1 } );
$point->set_erased;
ok( $point->get_erased, 'has been erased' );
ok( $has_been_called, 'has been called' );
remove_listener( $point, Erase => $listener );
}
SCOPE: {
my $has_been_called1 = 0;
my $has_been_called2 = 0;
my $point = Foo->new;
add_listener( $point, Erase => my $listener1 = sub { $has_been_called1 = 1 } );
add_listener( $point, Erase => my $listener2 = sub { $has_been_called2 = 1 } );
$point->set_erased;
ok( $has_been_called1, 'listener 1' );
ok( $has_been_called2, 'listener 2' );
remove_listener( $point, Erase => $listener1 );
remove_listener( $point, Erase => $listener2 );
}
SCOPE: {
my $has_been_called1 = 0;
my $has_been_called2 = 0;
my $point1 = Foo->new;
my $point2 = Foo->new;
add_listener( $point1, Erase => my $listener1 = sub { $has_been_called1 = 1 } );
add_listener( $point2, Erase => my $listener2 = sub { $has_been_called2 = 1 } );
$point2->set_erased;
ok( !$point1->get_erased, 'point 1' );
ok( $point2->get_erased, 'point 2' );
ok( !$has_been_called1, 'listener 1' );
ok( $has_been_called2, 'listener 2' );
remove_listener( $point1, Erase => $listener1 );
remove_listener( $point2, Erase => $listener2 );
}
SCOPE: {
my $has_been_called1 = 0;
my $has_been_called2 = 0;
my $point = Foo->new;
add_listener( $point, Erase => my $listener1 = sub { $has_been_called1 = 1 } );
add_listener( $point, Erase => my $listener2 = sub { $has_been_called2 = 1 } );
remove_listener( $point, Erase => $listener1 );
$point->set_erased;
ok( !$has_been_called1, 'listener 1' );
ok( $has_been_called2, 'listener 2' );
remove_listener( $point, Erase => $listener2 );
}
SCOPE: {
my $event = 0;
my $point = Foo->new;
add_listener( $point, Color => my $listener = sub { $event = shift } );
$point->set_color('red');
is( $point->get_color, 'red', 'point color' );
ok( $event, 'event fired' );
is( ref $event, 'Aspect::Library::Listenable::Event', 'event class' );
is( $event->name, 'Color', 'name' );
is( $event->source, $point, 'source' );
is( $event->color, 'red', 'color' );
is( $event->old_color, 'blue', 'old_color' );
is_deeply( $event->params, [ 'red' ], 'args' );
remove_listener( $point, Color => $listener );
}
SCOPE: {
my $hasnt_been_called = 1;
my $point = Foo->new;
add_listener( $point, Color => my $listener = sub { $hasnt_been_called = 0 } );
$point->set_color('blue');
ok( $hasnt_been_called );
remove_listener( $point, Color => $listener );
}
SCOPE: {
my $listenable = bless [], 'SomePackage';
throws_ok(
sub { add_listener( $listenable, Event => sub {} ) },
qr/not a hash based object/,
);
}
SCOPE: {
my $point = Foo->new;
add_listener( $point, Erase => [do_call =>
my $listener = Bar->new,
[qw(source)],
] );
ok( !$listener->has_been_called, 'before erased' );
$point->set_erased;
is( $listener->has_been_called, $point, 'after erased' );
remove_listener( $point, Erase => $listener );
}
######################################################################
# Support Classes
package Foo;
sub new {
bless {
color => 'blue',
erased => 0,
}, shift;
}
sub get_erased {
shift->{erased}
}
sub set_erased {
shift->{erased} = 1;
}
sub get_color {
shift->{color};
}
sub set_color {
shift->{color} = pop;
}
package Bar;
sub new {
bless {
has_been_called => 0,
}, shift;
}
sub do_call {
shift->{has_been_called} = pop;
}
sub has_been_called {
shift->{has_been_called};
}
package Baz;
sub one {
return 'one';
}
|
