(t *testing.T)
| 27 | ) |
| 28 | |
| 29 | func TestSubscribeIterator(t *testing.T) { |
| 30 | t.Run("with timeout", func(t *testing.T) { |
| 31 | s := RunServerOnPort(-1) |
| 32 | defer s.Shutdown() |
| 33 | |
| 34 | nc, err := nats.Connect(s.ClientURL(), nats.PermissionErrOnSubscribe(true)) |
| 35 | if err != nil { |
| 36 | t.Fatalf("Error on connect: %v", err) |
| 37 | } |
| 38 | defer nc.Close() |
| 39 | |
| 40 | sub, err := nc.SubscribeSync("foo") |
| 41 | if err != nil { |
| 42 | t.Fatal("Failed to subscribe: ", err) |
| 43 | } |
| 44 | defer sub.Unsubscribe() |
| 45 | |
| 46 | total := 100 |
| 47 | for i := 0; i < total/2; i++ { |
| 48 | if err := nc.Publish("foo", []byte("Hello")); err != nil { |
| 49 | t.Fatalf("Error on publish: %v", err) |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | // publish some more messages asynchronously |
| 54 | errCh := make(chan error, 1) |
| 55 | go func() { |
| 56 | for i := 0; i < total/2; i++ { |
| 57 | if err := nc.Publish("foo", []byte("Hello")); err != nil { |
| 58 | errCh <- err |
| 59 | return |
| 60 | } |
| 61 | time.Sleep(10 * time.Millisecond) |
| 62 | } |
| 63 | close(errCh) |
| 64 | }() |
| 65 | |
| 66 | received := 0 |
| 67 | for _, err := range sub.MsgsTimeout(100 * time.Millisecond) { |
| 68 | if err != nil { |
| 69 | if !errors.Is(err, nats.ErrTimeout) { |
| 70 | t.Fatalf("Error on subscribe: %v", err) |
| 71 | } |
| 72 | break |
| 73 | } else { |
| 74 | received++ |
| 75 | } |
| 76 | } |
| 77 | if received != total { |
| 78 | t.Fatalf("Expected %d messages, got %d", total, received) |
| 79 | } |
| 80 | }) |
| 81 | |
| 82 | t.Run("no timeout", func(t *testing.T) { |
| 83 | s := RunServerOnPort(-1) |
| 84 | defer s.Shutdown() |
| 85 | |
| 86 | nc, err := nats.Connect(s.ClientURL(), nats.PermissionErrOnSubscribe(true)) |
nothing calls this directly
no test coverage detected