Raise when a job class does not respond to perform.

This will fail the job and the failure will show up in the Resque UI.

Author: defunkt

HISTORY.md

@@ -1,3 +1,7 @@
+## 1.2.0 (2009-??-??)
+
+* Raise when a job class does not respond to `perform`.
+
 ## 1.1.0 (2009-11-04)
 
 * Bugfix: Broken ERB tag in failure UI

lib/resque/job.rb

@@ -58,7 +58,6 @@ def self.reserve(queue)
     # Calls #perform on the class given in the payload with the
     # arguments given in the payload.
     def perform
-      return unless payload_class && payload_class.respond_to?(:perform)
       args ? payload_class.perform(*args) : payload_class.perform
     end
 

test/worker_test.rb

@@ -91,6 +91,15 @@
     end
   end
 
+  test "fails if a job class has no `perform` method" do
+    worker = Resque::Worker.new(:perform_less)
+    Resque::Job.create(:perform_less, Object)
+
+    assert_equal 0, Resque::Failure.count
+    worker.work(0)
+    assert_equal 1, Resque::Failure.count
+  end
+
   test "inserts itself into the 'workers' list on startup" do
     @worker.work(0) do
       assert_equal @worker, Resque.workers[0]