Add a test for retries during shutdow

async_producer_test.go

@@ -525,6 +525,49 @@ func TestAsyncProducerFlusherRetryCondition(t *testing.T) {
 	leader.Close()
 }
 
+func TestAsyncProducerRetryShutdown(t *testing.T) {
+	seedBroker := newMockBroker(t, 1)
+	leader := newMockBroker(t, 2)
+
+	metadataLeader := new(MetadataResponse)
+	metadataLeader.AddBroker(leader.Addr(), leader.BrokerID())
+	metadataLeader.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, ErrNoError)
+	seedBroker.Returns(metadataLeader)
+
+	config := NewConfig()
+	config.Producer.Flush.Messages = 10
+	config.Producer.Return.Successes = true
+	config.Producer.Retry.Backoff = 0
+	producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for i := 0; i < 10; i++ {
+		producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
+	}
+	producer.AsyncClose()
+
+	prodNotLeader := new(ProduceResponse)
+	prodNotLeader.AddTopicPartition("my_topic", 0, ErrNotLeaderForPartition)
+	leader.Returns(prodNotLeader)
+
+	seedBroker.Returns(metadataLeader)
+
+	prodSuccess := new(ProduceResponse)
+	prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
+	leader.Returns(prodSuccess)
+	expectSuccesses(t, producer, 10)
+
+	seedBroker.Close()
+	leader.Close()
+
+	// wait for the async-closed producer to shut down fully
+	for err := range producer.Errors() {
+		t.Error(err)
+	}
+}
+
 // This example shows how to use the producer while simultaneously
 // reading the Errors channel to know about any failures.
 func ExampleAsyncProducer_select() {