test case for nytprof with callbacks.

mojo-nytprof-plugin.diff

diff --git a/t/lib/ExampleApp.pm b/t/lib/ExampleApp.pm
index 8bfc57a..06c1aca 100644
--- a/t/lib/ExampleApp.pm
+++ b/t/lib/ExampleApp.pm
@@ -13,13 +13,16 @@ sub startup {
             pre_hook  => 'before_routes',
             post_hook => 'around_dispatch',
         },
     });
 
     $self->routes->any('/t1')->to('ExampleController#t1');
     $self->routes->any('/t2')->to('ExampleController#t2');
     $self->routes->any('/t3')->to('ExampleController#t3');
     $self->routes->any('/t4')->to('ExampleController#t4');
     $self->routes->any('/t5')->to('ExampleController#t5');
+
+    $self->routes->any('/nonblock')->to('ExampleController#nonblock');
+
 }
 
 1;
diff --git a/t/lib/ExampleApp/ExampleController.pm b/t/lib/ExampleApp/ExampleController.pm
index cdef580..a8bb58c 100644
--- a/t/lib/ExampleApp/ExampleController.pm
+++ b/t/lib/ExampleApp/ExampleController.pm
@@ -11,11 +11,51 @@ sub t2 {
 }
 sub t3 {
     my $self=shift;
     $self->render;  # explicit render example/t3.html.ep
 }
 sub t4 {
     my $self=shift;
     $self->render(template=>'t3');
 }
 
+sub nonblock {
+    my $self=shift;
+
+    my $delay = Mojo::IOLoop::Delay->new;
+
+    $self->app->log->info("starting request, first sleep");
+
+    sleeping_before_any_callbacks();
+
+    $delay->steps(
+        sub {
+            my $end = $delay->begin;
+            $self->app->log->info("in first callback");
+            sleeping_in_first_callback();
+            $end->();
+        },
+        sub {
+            my $end = $delay->begin;
+            $self->app->log->info("in second callback");
+            sleeping_in_second_callback();
+            $end->();
+            $self->render(text=>"Done with second callback, returning this response\n");
+        },
+    );
+    $self->app->log->info("about to wait");
+    $delay->wait unless Mojo::IOLoop->is_running;
+
+    $self->app->log->info("returning from controller");
+}
+
+sub sleeping_before_any_callbacks {
+       sleep 1;
+}
+sub sleeping_in_first_callback {
+       sleep 1;
+}
+sub sleeping_in_second_callback {
+       sleep 1;
+}
+
 1;