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|
use strict;
use warnings;
use Test::More;
use Test::Exception;
use Class::MOP;
use Class::MOP::Method;
# test before and afters
{
my $trace = '';
my $method = Class::MOP::Method->wrap(
body => sub { $trace .= 'primary' },
package_name => 'main',
name => '__ANON__',
);
isa_ok( $method, 'Class::MOP::Method' );
$method->();
is( $trace, 'primary', '... got the right return value from method' );
$trace = '';
my $wrapped = Class::MOP::Method::Wrapped->wrap($method);
isa_ok( $wrapped, 'Class::MOP::Method::Wrapped' );
isa_ok( $wrapped, 'Class::MOP::Method' );
$wrapped->();
is( $trace, 'primary',
'... got the right return value from the wrapped method' );
$trace = '';
lives_ok {
$wrapped->add_before_modifier( sub { $trace .= 'before -> ' } );
}
'... added the before modifier okay';
$wrapped->();
is( $trace, 'before -> primary',
'... got the right return value from the wrapped method (w/ before)'
);
$trace = '';
lives_ok {
$wrapped->add_after_modifier( sub { $trace .= ' -> after' } );
}
'... added the after modifier okay';
$wrapped->();
is( $trace, 'before -> primary -> after',
'... got the right return value from the wrapped method (w/ before)'
);
$trace = '';
}
# test around method
{
my $method = Class::MOP::Method->wrap(
sub {4},
package_name => 'main',
name => '__ANON__',
);
isa_ok( $method, 'Class::MOP::Method' );
is( $method->(), 4, '... got the right value from the wrapped method' );
my $wrapped = Class::MOP::Method::Wrapped->wrap($method);
isa_ok( $wrapped, 'Class::MOP::Method::Wrapped' );
isa_ok( $wrapped, 'Class::MOP::Method' );
is( $wrapped->(), 4, '... got the right value from the wrapped method' );
lives_ok {
$wrapped->add_around_modifier( sub { ( 3, $_[0]->() ) } );
$wrapped->add_around_modifier( sub { ( 2, $_[0]->() ) } );
$wrapped->add_around_modifier( sub { ( 1, $_[0]->() ) } );
$wrapped->add_around_modifier( sub { ( 0, $_[0]->() ) } );
}
'... added the around modifier okay';
is_deeply(
[ $wrapped->() ],
[ 0, 1, 2, 3, 4 ],
'... got the right results back from the around methods (in list context)'
);
is( scalar $wrapped->(), 4,
'... got the right results back from the around methods (in scalar context)'
);
}
{
my @tracelog;
my $method = Class::MOP::Method->wrap(
sub { push @tracelog => 'primary' },
package_name => 'main',
name => '__ANON__',
);
isa_ok( $method, 'Class::MOP::Method' );
my $wrapped = Class::MOP::Method::Wrapped->wrap($method);
isa_ok( $wrapped, 'Class::MOP::Method::Wrapped' );
isa_ok( $wrapped, 'Class::MOP::Method' );
lives_ok {
$wrapped->add_before_modifier( sub { push @tracelog => 'before 1' } );
$wrapped->add_before_modifier( sub { push @tracelog => 'before 2' } );
$wrapped->add_before_modifier( sub { push @tracelog => 'before 3' } );
}
'... added the before modifier okay';
lives_ok {
$wrapped->add_around_modifier(
sub { push @tracelog => 'around 1'; $_[0]->(); } );
$wrapped->add_around_modifier(
sub { push @tracelog => 'around 2'; $_[0]->(); } );
$wrapped->add_around_modifier(
sub { push @tracelog => 'around 3'; $_[0]->(); } );
}
'... added the around modifier okay';
lives_ok {
$wrapped->add_after_modifier( sub { push @tracelog => 'after 1' } );
$wrapped->add_after_modifier( sub { push @tracelog => 'after 2' } );
$wrapped->add_after_modifier( sub { push @tracelog => 'after 3' } );
}
'... added the after modifier okay';
$wrapped->();
is_deeply(
\@tracelog,
[
'before 3', 'before 2', 'before 1', # last-in-first-out order
'around 3', 'around 2', 'around 1', # last-in-first-out order
'primary',
'after 1', 'after 2', 'after 3', # first-in-first-out order
],
'... got the right tracelog from all our before/around/after methods'
);
}
# test introspection
{
sub before1 {
}
sub before2 {
}
sub before3 {
}
sub after1 {
}
sub after2 {
}
sub after3 {
}
sub around1 {
}
sub around2 {
}
sub around3 {
}
sub orig {
}
my $method = Class::MOP::Method->wrap(
body => \&orig,
package_name => 'main',
name => '__ANON__',
);
my $wrapped = Class::MOP::Method::Wrapped->wrap($method);
$wrapped->add_before_modifier($_)
for \&before1, \&before2, \&before3;
$wrapped->add_after_modifier($_)
for \&after1, \&after2, \&after3;
$wrapped->add_around_modifier($_)
for \&around1, \&around2, \&around3;
is( $wrapped->get_original_method, $method,
'check get_original_method' );
is_deeply( [ $wrapped->before_modifiers ],
[ \&before3, \&before2, \&before1 ],
'check before_modifiers' );
is_deeply( [ $wrapped->after_modifiers ],
[ \&after1, \&after2, \&after3 ],
'check after_modifiers' );
is_deeply( [ $wrapped->around_modifiers ],
[ \&around3, \&around2, \&around1 ],
'check around_modifiers' );
}
done_testing;
|
