/*
* Copyright 2002-2016 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.gateway;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.Message;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.handler.annotation.Header;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Oleg Zhurakousky
* @author Mark Fisher
* @author Gunnar Hillert
* @since 2.0
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class HeaderEnrichedGatewayTests {
@Autowired
private SampleGateway gatewayWithHeaderValues;
@Autowired
private SampleGateway gatewayWithHeaderExpressions;
@Autowired
private PollableChannel channel;
private Object testPayload;
@Test
public void validateHeaderValueMappings() throws Exception {
testPayload = "hello";
gatewayWithHeaderValues.sendString((String) testPayload);
Message<?> message1 = channel.receive(0);
assertEquals(testPayload, message1.getPayload());
assertEquals("foo", message1.getHeaders().get("foo"));
assertEquals("bar", message1.getHeaders().get("bar"));
assertNull(message1.getHeaders().get("baz"));
testPayload = 123;
gatewayWithHeaderValues.sendInteger((Integer) testPayload);
Message<?> message2 = channel.receive(0);
assertEquals(testPayload, message2.getPayload());
assertEquals("foo", message2.getHeaders().get("foo"));
assertEquals("bar", message2.getHeaders().get("bar"));
assertNull(message2.getHeaders().get("baz"));
testPayload = "withAnnotatedHeaders";
gatewayWithHeaderValues.sendStringWithParameterHeaders((String) testPayload, "headerA", "headerB");
Message<?> message3 = channel.receive(0);
assertEquals("foo", message3.getHeaders().get("foo"));
assertEquals("bar", message3.getHeaders().get("bar"));
assertEquals("headerA", message3.getHeaders().get("headerA"));
assertEquals("headerB", message3.getHeaders().get("headerB"));
}
@Test
public void validateHeaderExpressionMappings() throws Exception {
testPayload = "hello";
gatewayWithHeaderExpressions.sendString((String) testPayload);
Message<?> message1 = channel.receive(0);
assertEquals(testPayload, message1.getPayload());
assertEquals(42, message1.getHeaders().get("foo"));
assertEquals("foobar", message1.getHeaders().get("bar"));
assertNull(message1.getHeaders().get("baz"));
testPayload = 123;
gatewayWithHeaderExpressions.sendInteger((Integer) testPayload);
Message<?> message2 = channel.receive(0);
assertEquals(testPayload, message2.getPayload());
assertEquals(42, message2.getHeaders().get("foo"));
assertEquals("foobar", message2.getHeaders().get("bar"));
assertNull(message2.getHeaders().get("baz"));
testPayload = "withAnnotatedHeaders";
gatewayWithHeaderExpressions.sendStringWithParameterHeaders((String) testPayload, "headerA", "headerB");
Message<?> message3 = channel.receive(0);
assertEquals(42, message3.getHeaders().get("foo"));
assertEquals("foobar", message3.getHeaders().get("bar"));
assertEquals("headerA", message3.getHeaders().get("headerA"));
assertEquals("headerB", message3.getHeaders().get("headerB"));
}
public interface SampleGateway {
void sendString(String value);
void sendInteger(Integer value);
void sendStringWithParameterHeaders(String value,
@Header("headerA") String headerA, @Header("headerB") String headerB);
}
}