spring-projectsGH-2329: Fix interceptBeforeTx for Non-Kafka TM

Resolves spring-projects#2329

The flag should apply, regardless of PTM type.

Author: garyrussell

spring-kafka/src/main/java/org/springframework/kafka/listener/KafkaMessageListenerContainer.java

@@ -667,12 +667,13 @@ private final class ListenerConsumer implements SchedulingAwareRunnable, Consume
 
 		private final Duration syncCommitTimeout;
 
-		private final RecordInterceptor<K, V> recordInterceptor = !isInterceptBeforeTx() && this.kafkaTxManager != null
-				? getRecordInterceptor()
-				: null;
+		private final RecordInterceptor<K, V> recordInterceptor = !isInterceptBeforeTx()
+				&& this.transactionManager != null
+						? getRecordInterceptor()
+						: null;
 
 		private final RecordInterceptor<K, V> earlyRecordInterceptor =
-				isInterceptBeforeTx() || this.kafkaTxManager == null
+				isInterceptBeforeTx() || this.transactionManager == null
 						? getRecordInterceptor()
 						: null;
 
@@ -683,7 +684,7 @@ private final class ListenerConsumer implements SchedulingAwareRunnable, Consume
 				: null;
 
 		private final BatchInterceptor<K, V> earlyBatchInterceptor =
-				isInterceptBeforeTx() || this.kafkaTxManager == null
+				isInterceptBeforeTx() || this.transactionManager == null
 						? getBatchInterceptor()
 						: null;
 

spring-kafka/src/test/java/org/springframework/kafka/listener/ConcurrentMessageListenerContainerMockTests.java

@@ -68,6 +68,7 @@
 import org.springframework.kafka.transaction.KafkaAwareTransactionManager;
 import org.springframework.lang.Nullable;
 import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.support.TransactionSynchronizationManager;
 
 /**
@@ -655,6 +656,77 @@ public void failure(ConsumerRecords records, Exception exception, Consumer consu
 		}
 	}
 
+	@Test
+	@SuppressWarnings({ "rawtypes", "unchecked" })
+	void testInterceptInTxNonKafkaTM() throws InterruptedException {
+		ConsumerFactory consumerFactory = mock(ConsumerFactory.class);
+		final Consumer consumer = mock(Consumer.class);
+		TopicPartition tp0 = new TopicPartition("foo", 0);
+		ConsumerRecord record1 = new ConsumerRecord("foo", 0, 0L, "bar", "baz");
+		ConsumerRecords records = new ConsumerRecords(
+				Collections.singletonMap(tp0, Collections.singletonList(record1)));
+		ConsumerRecords empty = new ConsumerRecords(Collections.emptyMap());
+		AtomicInteger firstOrSecondPoll = new AtomicInteger();
+		willAnswer(invocation -> {
+			Thread.sleep(10);
+			return firstOrSecondPoll.incrementAndGet() < 2 ? records : empty;
+		}).given(consumer).poll(any());
+		List<TopicPartition> assignments = Arrays.asList(tp0);
+		willAnswer(invocation -> {
+			((ConsumerRebalanceListener) invocation.getArgument(1))
+				.onPartitionsAssigned(assignments);
+			return null;
+		}).given(consumer).subscribe(any(Collection.class), any());
+		given(consumer.position(any())).willReturn(0L);
+		given(consumerFactory.createConsumer("grp", "", "-0", KafkaTestUtils.defaultPropertyOverrides()))
+			.willReturn(consumer);
+		ContainerProperties containerProperties = new ContainerProperties("foo");
+		containerProperties.setGroupId("grp");
+		AtomicReference<List<ConsumerRecord<String, String>>> received = new AtomicReference<>();
+		containerProperties.setMessageListener((MessageListener) rec -> {
+		});
+		containerProperties.setMissingTopicsFatal(false);
+		List<String> order = new ArrayList<>();
+		CountDownLatch latch = new CountDownLatch(2);
+		PlatformTransactionManager tm = mock(PlatformTransactionManager.class);
+		willAnswer(inv -> {
+			order.add("tx");
+			latch.countDown();
+			return null;
+		}).given(tm).getTransaction(any());
+		containerProperties.setTransactionManager(tm);
+		ConcurrentMessageListenerContainer container = new ConcurrentMessageListenerContainer(consumerFactory,
+				containerProperties);
+		CountDownLatch successCalled = new CountDownLatch(1);
+		container.setRecordInterceptor(new RecordInterceptor() {
+
+			@Override
+			@Nullable
+			public ConsumerRecord intercept(ConsumerRecord rec, Consumer consumer) {
+				order.add("interceptor");
+				latch.countDown();
+				return rec;
+			}
+
+			@Override
+			public void success(ConsumerRecord record, Consumer consumer) {
+				order.add("success");
+				successCalled.countDown();
+			}
+
+		});
+		container.setInterceptBeforeTx(false);
+		container.start();
+		try {
+			assertThat(latch.await(10, TimeUnit.SECONDS)).isTrue();
+			assertThat(successCalled.await(10, TimeUnit.SECONDS)).isTrue();
+			assertThat(order).containsExactly("tx", "interceptor", "success");
+		}
+		finally {
+			container.stop();
+		}
+	}
+
 	@SuppressWarnings({ "rawtypes", "unchecked" })
 	@Test
 	void testNoCommitOnAssignmentWithEarliest() throws InterruptedException {