Added GenericMessageEndpointTests

spring-eai-core/src/test/java/org/springframework/integration/endpoint/GenericMessageEndpointTests.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2002-2007 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.endpoint;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import org.junit.Test;
+
+import org.springframework.integration.channel.ChannelResolver;
+import org.springframework.integration.channel.MessageChannel;
+import org.springframework.integration.channel.PointToPointChannel;
+import org.springframework.integration.handler.MessageHandler;
+import org.springframework.integration.message.DocumentMessage;
+import org.springframework.integration.message.Message;
+
+/**
+ * @author Mark Fisher
+ */
+public class GenericMessageEndpointTests {
+
+	@Test
+	public void testDefaultReplyChannel() throws Exception {
+		MessageChannel channel = new PointToPointChannel();
+		MessageChannel replyChannel = new PointToPointChannel();
+		MessageHandler handler = new MessageHandler() {
+			public Message handle(Message message) {
+				return new DocumentMessage("123", "hello " + message.getPayload());
+			}
+		};
+		GenericMessageEndpoint endpoint = new GenericMessageEndpoint(channel);
+		endpoint.setHandler(handler);
+		endpoint.setTarget(replyChannel);
+		endpoint.start();
+		DocumentMessage testMessage = new DocumentMessage(1, "test");
+		channel.send(testMessage);
+		Message reply = replyChannel.receive(10);
+		assertNotNull(reply);
+		assertEquals("hello test", reply.getPayload());
+	}
+
+	@Test
+	public void testExplicitReplyChannel() throws Exception {
+		MessageChannel channel = new PointToPointChannel();
+		final MessageChannel replyChannel = new PointToPointChannel();
+		MessageHandler handler = new MessageHandler() {
+			public Message handle(Message message) {
+				return new DocumentMessage("123", "hello " + message.getPayload());
+			}
+		};
+		ChannelResolver channelResolver = new ChannelResolver() {
+			public MessageChannel resolve(String channelName) {
+				if (channelName.equals("replyChannel")) {
+					return replyChannel;
+				}
+				return null;
+			}
+		};
+		GenericMessageEndpoint endpoint = new GenericMessageEndpoint(channel);
+		endpoint.setHandler(handler);
+		endpoint.setChannelResolver(channelResolver);
+		endpoint.start();
+		DocumentMessage testMessage = new DocumentMessage(1, "test");
+		testMessage.getHeader().setReplyChannelName("replyChannel");
+		channel.send(testMessage);
+		Message reply = replyChannel.receive(10);
+		assertNotNull(reply);
+		assertEquals("hello test", reply.getPayload());
+	}
+
+}