Kelp: allow multiple instances of an app

lib/Kelp.pm

@@ -43,6 +43,8 @@ attr -loaded_modules => sub { {} };
 attr req => undef;
 attr res => undef;
 
+attr -registered_methods => sub { {} };
+
 # Initialization
 sub new {
     my $self = shift->SUPER::new(@_);
@@ -80,6 +82,30 @@ sub _clone {
     return bless { %$self }, $subclass;
 }
 
+# Check our instance-registered methods for can()
+sub can {
+    my ($self, $name) = @_;
+    if (ref $self) {
+        my $method = $self->registered_methods->{$name};
+        return $method if defined $method;
+    }
+    return $self->SUPER::can($name);
+}
+
+# Check our instance-registered methods for implementations
+our $AUTOLOAD;
+sub AUTOLOAD {
+    my $self = shift;
+
+    my $name = $AUTOLOAD =~ s/.*:://r;
+    return if $name eq "DESTROY";
+
+    my $method = $self->can($name);
+    return $self->$method(@_) if $method;
+    die sprintf('Can\'t locate object method "%s" via package "%s"',
+                $name, ref $self);
+}
+
 sub load_module {
     my ( $self, $name, %args ) = @_;
 

lib/Kelp/Module.pm

@@ -22,20 +22,17 @@ sub register {
         no strict 'refs';
         no warnings 'redefine';
 
-        my $app  = ref $self->app;
-        my $glob = "${app}::$name";
-
         # Manually check if the glob is being redefined
         if ( !$ENV{KELP_REDEFINE} && $self->app->can($name) ) {
-            croak "Redefining of $glob not allowed";
+            croak "Redefining of $name not allowed";
         }
 
         if ( ref $item eq 'CODE' ) {
-            *{$glob} = $item;
+            $self->app->registered_methods->{$name} = $item;
         }
         else {
             $self->app->{$name} = $item;
-            *{$glob} = sub { $_[0]->{$name} }
+            $self->app->registered_methods->{$name} = sub { $_[0]->{$name} };
         }
     }
 }

t/module_config.t

@@ -10,11 +10,10 @@ use Plack::Util;
 use FindBin '$Bin';
 use Test::More;
 use Test::Exception;
+use Kelp;
 
 # Basic
-my $app = Plack::Util::inline_object(
-    mode => sub { "test" }
-);
+my $app = Kelp->new( mode => 'test' );
 my $c = Kelp::Module::Config->new( app => $app );
 isa_ok $c, 'Kelp::Module::Config';