From 6ffeee3e6f31eab364d9a095b92c58305a959421 Mon Sep 17 00:00:00 2001
From: Juergen Hoeller <hoellerj@vmware.com>
Date: Fri, 12 Mar 2021 15:17:41 +0100
Subject: [PATCH] Basic integration tests with various listener container
 settings

See gh-26442
---
 spring-jms/spring-jms.gradle                  |   1 +
 ...sageListenerContainerIntegrationTests.java | 119 ++++++++++++++++++
 2 files changed, 120 insertions(+)
 create mode 100644 spring-jms/src/test/java/org/springframework/jms/listener/MessageListenerContainerIntegrationTests.java

diff --git a/spring-jms/spring-jms.gradle b/spring-jms/spring-jms.gradle
index 784aead7da..a447c97a80 100644
--- a/spring-jms/spring-jms.gradle
+++ b/spring-jms/spring-jms.gradle
@@ -14,5 +14,6 @@ dependencies {
 	optional("com.fasterxml.jackson.core:jackson-databind")
 	testCompile(testFixtures(project(":spring-beans")))
 	testCompile(testFixtures(project(":spring-tx")))
+	testCompile("org.apache.activemq:activemq-broker")
 	testImplementation("javax.jms:javax.jms-api")
 }
diff --git a/spring-jms/src/test/java/org/springframework/jms/listener/MessageListenerContainerIntegrationTests.java b/spring-jms/src/test/java/org/springframework/jms/listener/MessageListenerContainerIntegrationTests.java
new file mode 100644
index 0000000000..306c88394f
--- /dev/null
+++ b/spring-jms/src/test/java/org/springframework/jms/listener/MessageListenerContainerIntegrationTests.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2002-2021 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.jms.listener;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.CopyOnWriteArraySet;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import javax.jms.JMSException;
+import javax.jms.Session;
+import javax.jms.TextMessage;
+
+import org.apache.activemq.ActiveMQConnectionFactory;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.jms.core.JmsTemplate;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Juergen Hoeller
+ * @since 5.3.5
+ */
+public class MessageListenerContainerIntegrationTests {
+
+	@Test
+	public void simpleMessageListenerContainer() throws InterruptedException {
+		SimpleMessageListenerContainer mlc = new SimpleMessageListenerContainer();
+
+		testMessageListenerContainer(mlc);
+	}
+
+	@Test
+	public void defaultMessageListenerContainer() throws InterruptedException {
+		DefaultMessageListenerContainer mlc = new DefaultMessageListenerContainer();
+
+		testMessageListenerContainer(mlc);
+	}
+
+	@Test
+	public void defaultMessageListenerContainerWithMaxMessagesPerTask() throws InterruptedException {
+		DefaultMessageListenerContainer mlc = new DefaultMessageListenerContainer();
+		mlc.setConcurrentConsumers(1);
+		mlc.setMaxConcurrentConsumers(2);
+		mlc.setMaxMessagesPerTask(1);
+
+		testMessageListenerContainer(mlc);
+	}
+
+	@Test
+	public void defaultMessageListenerContainerWithIdleReceivesPerTaskLimit() throws InterruptedException {
+		DefaultMessageListenerContainer mlc = new DefaultMessageListenerContainer();
+		mlc.setConcurrentConsumers(1);
+		mlc.setMaxConcurrentConsumers(2);
+		mlc.setIdleReceivesPerTaskLimit(1);
+
+		testMessageListenerContainer(mlc);
+	}
+
+	private void testMessageListenerContainer(AbstractMessageListenerContainer mlc) throws InterruptedException {
+		ActiveMQConnectionFactory aqcf = new ActiveMQConnectionFactory("vm://localhost?broker.persistent=false");
+		TestMessageListener tml = new TestMessageListener();
+
+		mlc.setConnectionFactory(aqcf);
+		mlc.setMessageListener(tml);
+		mlc.setDestinationName("test");
+		mlc.afterPropertiesSet();
+		mlc.start();
+
+		JmsTemplate jt = new JmsTemplate(aqcf);
+		jt.setDefaultDestinationName("test");
+
+		Set<String> messages = new HashSet<>();
+		messages.add("text1");
+		messages.add("text2");
+		for (String message : messages) {
+			jt.convertAndSend(message);
+		}
+		assertThat(tml.result()).isEqualTo(messages);
+
+		mlc.destroy();
+	}
+
+
+	private static class TestMessageListener implements SessionAwareMessageListener<TextMessage> {
+
+		private final CountDownLatch latch = new CountDownLatch(2);
+
+		private final Set<String> messages = new CopyOnWriteArraySet<>();
+
+		@Override
+		public void onMessage(TextMessage message, Session session) throws JMSException {
+			this.messages.add(message.getText());
+			this.latch.countDown();
+		}
+
+		public Set<String> result() throws InterruptedException {
+			assertThat(this.latch.await(5, TimeUnit.SECONDS)).isTrue();
+			return this.messages;
+		}
+	}
+
+}
-- 
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