#!perl -w
use strict;
use warnings;
use Test::More tests => 25;
my @seen;
my @expected = ("before 4",
"before 3",
"around 4 before",
"around 3 before",
"before 2",
"before 1",
"around 2 before",
"around 1 before",
"orig",
"around 1 after",
"around 2 after",
"after 1",
"after 2",
"around 3 after",
"around 4 after",
"after 3",
"after 4",
);
my $child = Grandchild->new; $child->orig;
is_deeply(\@seen, \@expected, "multiple afters called in the right order");
BEGIN {
package Parent;
use Mouse;
sub orig {
push @seen, "orig";
}
}
BEGIN {
package Child;
use Mouse;
extends 'Parent';
before orig => sub {
push @seen, "before 1";
};
before orig => sub {
push @seen, "before 2";
};
around orig => sub {
my $orig = shift;
push @seen, "around 1 before";
$orig->();
push @seen, "around 1 after";
};
around orig => sub {
my $orig = shift;
push @seen, "around 2 before";
$orig->();
push @seen, "around 2 after";
};
after orig => sub {
push @seen, "after 1";
};
after orig => sub {
push @seen, "after 2";
};
}
BEGIN {
package Grandchild;
use Mouse;
extends 'Child';
before orig => sub {
push @seen, "before 3";
};
before orig => sub {
push @seen, "before 4";
};
around orig => sub {
my $orig = shift;
push @seen, "around 3 before";
$orig->();
push @seen, "around 3 after";
};
around orig => sub {
my $orig = shift;
push @seen, "around 4 before";
$orig->();
push @seen, "around 4 after";
};
after orig => sub {
push @seen, "after 3";
};
after orig => sub {
push @seen, "after 4";
};
}
# from Class::Method::Modifers' t/020-multiple-inheritance.t
# inheritance tree looks like:
#
# SuperL SuperR
# \ /
# MiddleL MiddleR
# \ /
# -Child-
# the Child and MiddleR modules use modifiers
# Child will modify a method in SuperL (sl_c)
# Child will modify a method in SuperR (sr_c)
# Child will modify a method in SuperR already modified by MiddleR (sr_m_c)
# SuperL and MiddleR will both have a method of the same name, doing different
# things (called 'conflict' and 'cnf_mod')
# every method and modifier will just return <Class:Method:STUFF>
BEGIN
{
{
package SuperL;
use Mouse;
sub superl { "<SuperL:superl>" }
sub conflict { "<SuperL:conflict>" }
sub cnf_mod { "<SuperL:cnf_mod>" }
sub sl_c { "<SuperL:sl_c>" }
}
{
package SuperR;
use Mouse;
sub superr { "<SuperR:superr>" }
sub sr_c { "<SuperR:sr_c>" }
sub sr_m_c { "<SuperR:sr_m_c>" }
}
{
package MiddleL;
use Mouse;
extends 'SuperL';
sub middlel { "<MiddleL:middlel>" }
}
{
package MiddleR;
use Mouse;
extends 'SuperR';
sub middler { "<MiddleR:middler>" }
sub conflict { "<MiddleR:conflict>" }
sub cnf_mod { "<MiddleR:cnf_mod>" }
around sr_m_c => sub {
my $orig = shift;
return "<MiddleR:sr_m_c:".$orig->(@_).">"
};
}
{
package Child;
use Mouse;
extends qw(MiddleL MiddleR);
sub child { "<Child:child>" }
around cnf_mod => sub { "<Child:cnf_mod:".shift->(@_).">" };
around sl_c => sub { "<Child:sl_c:".shift->(@_).">" };
around sr_c => sub { "<Child:sr_c:".shift->(@_).">" };
around sr_m_c => sub {
my $orig = shift;
return "<Child:sr_m_c:".$orig->(@_).">"
};
}
}
my $SuperL = SuperL->new();
my $SuperR = SuperR->new();
my $MiddleL = MiddleL->new();
my $MiddleR = MiddleR->new();
my $Child = Child->new();
is($SuperL->superl, "<SuperL:superl>", "SuperL loaded correctly");
is($SuperR->superr, "<SuperR:superr>", "SuperR loaded correctly");
is($MiddleL->middlel, "<MiddleL:middlel>", "MiddleL loaded correctly");
is($MiddleR->middler, "<MiddleR:middler>", "MiddleR loaded correctly");
is($Child->child, "<Child:child>", "Child loaded correctly");
is($SuperL->sl_c, "<SuperL:sl_c>", "SuperL->sl_c on SuperL");
is($Child->sl_c, "<Child:sl_c:<SuperL:sl_c>>", "SuperL->sl_c wrapped by Child's around");
is($SuperR->sr_c, "<SuperR:sr_c>", "SuperR->sr_c on SuperR");
is($Child->sr_c, "<Child:sr_c:<SuperR:sr_c>>", "SuperR->sr_c wrapped by Child's around");
is($SuperR->sr_m_c, "<SuperR:sr_m_c>", "SuperR->sr_m_c on SuperR");
is($MiddleR->sr_m_c, "<MiddleR:sr_m_c:<SuperR:sr_m_c>>", "SuperR->sr_m_c wrapped by MiddleR's around");
is($Child->sr_m_c, "<Child:sr_m_c:<MiddleR:sr_m_c:<SuperR:sr_m_c>>>", "MiddleR->sr_m_c's wrapping wrapped by Child's around");
is($SuperL->conflict, "<SuperL:conflict>", "SuperL->conflict on SuperL");
is($MiddleR->conflict, "<MiddleR:conflict>", "MiddleR->conflict on MiddleR");
is($Child->conflict, "<SuperL:conflict>", "SuperL->conflict on Child");
is($SuperL->cnf_mod, "<SuperL:cnf_mod>", "SuperL->cnf_mod on SuperL");
is($MiddleR->cnf_mod, "<MiddleR:cnf_mod>", "MiddleR->cnf_mod on MiddleR");
is($Child->cnf_mod, "<Child:cnf_mod:<SuperL:cnf_mod>>", "SuperL->cnf_mod wrapped by Child's around");
# taken from Class::Method::Modifiers' t/051-undef-list-ctxt.t
my($orig_called, $after_called);
BEGIN
{
package ParentX;
use Mouse;
sub orig
{
my $self = shift;
$orig_called = 1;
return;
}
package ChildX;
use Mouse;
extends 'ParentX';
after 'orig' => sub
{
$after_called = 1;
};
}
{
($after_called, $orig_called) = (0, 0);
my $child = ChildX->new();
my @results = $child->orig();
ok($orig_called, "original method called");
ok($after_called, "after-modifier called");
is(@results, 0, "list context with after doesn't screw up 'return'");
($after_called, $orig_called) = (0, 0);
my $result = $child->orig();
ok($orig_called, "original method called");
ok($after_called, "after-modifier called");
is($result, undef, "scalar context with after doesn't screw up 'return'");
}