add Queue#destroyed?

Author: hone

lib/resque/queue.rb

@@ -88,6 +88,11 @@ def destroy
       @redis.srem(:queues, @name)
     end
 
+    # returns +true+ if the queue is destroyed and +false+ if it isn't
+    def destroyed?
+      !@redis.sismember(:queues, @name)
+    end
+
     def encode object
       @coder.dump object
     end

test/redis_queue_test.rb

@@ -98,6 +98,16 @@ def == other
     assert !Resque.redis.exists(queue.redis_name)
   end
 
+  it "returns false if a queue is not destroyed" do
+    assert !q.destroyed?
+  end
+
+  it "returns true if a queue is destroyed" do
+    queue1 = q
+    queue1.destroy
+    assert queue1.destroyed?
+  end
+
   def q
     Resque::Queue.new 'foo', Resque.redis
   end