| 25 | ) |
| 26 | |
| 27 | func TestBasic(t *testing.T) { |
| 28 | // If something is seriously wrong this test will never complete. |
| 29 | q := workqueue.New() |
| 30 | |
| 31 | // Start producers |
| 32 | const producers = 50 |
| 33 | producerWG := sync.WaitGroup{} |
| 34 | producerWG.Add(producers) |
| 35 | for i := 0; i < producers; i++ { |
| 36 | go func(i int) { |
| 37 | defer producerWG.Done() |
| 38 | for j := 0; j < 50; j++ { |
| 39 | q.Add(i) |
| 40 | time.Sleep(time.Millisecond) |
| 41 | } |
| 42 | }(i) |
| 43 | } |
| 44 | |
| 45 | // Start consumers |
| 46 | const consumers = 10 |
| 47 | consumerWG := sync.WaitGroup{} |
| 48 | consumerWG.Add(consumers) |
| 49 | for i := 0; i < consumers; i++ { |
| 50 | go func(i int) { |
| 51 | defer consumerWG.Done() |
| 52 | for { |
| 53 | item, quit := q.Get() |
| 54 | if item == "added after shutdown!" { |
| 55 | t.Errorf("Got an item added after shutdown.") |
| 56 | } |
| 57 | if quit { |
| 58 | return |
| 59 | } |
| 60 | t.Logf("Worker %v: begin processing %v", i, item) |
| 61 | time.Sleep(3 * time.Millisecond) |
| 62 | t.Logf("Worker %v: done processing %v", i, item) |
| 63 | q.Done(item) |
| 64 | } |
| 65 | }(i) |
| 66 | } |
| 67 | |
| 68 | producerWG.Wait() |
| 69 | q.ShutDown() |
| 70 | q.Add("added after shutdown!") |
| 71 | consumerWG.Wait() |
| 72 | } |
| 73 | |
| 74 | func TestAddWhileProcessing(t *testing.T) { |
| 75 | q := workqueue.New() |