INT-1139 added a test demonstrating the use of #args.foo in an expression

spring-integration-core/src/test/java/org/springframework/integration/aop/PublisherExpressionTests.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright 2002-2010 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
+ *
+ *      http://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.integration.aop;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import org.springframework.aop.framework.ProxyFactory;
+import org.springframework.context.support.StaticApplicationContext;
+import org.springframework.integration.channel.QueueChannel;
+import org.springframework.integration.core.Message;
+
+/**
+ * @author Mark Fisher
+ * @since 2.0
+ */
+public class PublisherExpressionTests {
+
+	private final StaticApplicationContext context = new StaticApplicationContext();
+
+
+	@Before
+	public void setup() {
+		context.registerSingleton("testChannel", QueueChannel.class);
+	}
+
+
+	@Test // INT-1139
+	public void returnValue() {
+		PublisherAnnotationAdvisor advisor = new PublisherAnnotationAdvisor();
+		advisor.setBeanFactory(context);
+		QueueChannel testChannel = context.getBean("testChannel", QueueChannel.class);
+		advisor.setDefaultChannel(testChannel);
+		ProxyFactory pf = new ProxyFactory(new TestBeanImpl());
+		pf.addAdvisor(advisor);
+		TestBean proxy = (TestBean) pf.getProxy();
+		proxy.test("123");
+		Message<?> message = testChannel.receive(0);
+		assertNotNull(message);              
+		assertEquals("hello", message.getPayload());
+		assertEquals("123", message.getHeaders().get("foo"));
+	}
+
+
+	static interface TestBean {
+		String test(String sku);
+	}
+
+
+	static class TestBeanImpl implements TestBean {
+
+		@Publisher(payload="#return", headers="foo=#args.foo")
+		public String test(String foo) {
+			return "hello";
+		}
+	}
+
+}