/*
* Copyright 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.cloud.stream.config;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Suite;
import org.junit.runners.model.InitializationError;
import org.junit.runners.model.RunnerBuilder;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.annotation.Output;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Processor;
import org.springframework.cloud.stream.test.binder.MessageCollector;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.handler.annotation.SendTo;
import org.springframework.util.MimeType;
import org.springframework.util.MimeTypeUtils;
import static org.assertj.core.api.Assertions.assertThat;
/**
* @author Marius Bogoevici
* @author Ilayaperumal Gopinathan
*/
@RunWith(StreamListenerMethodReturnWithConversionTests.class)
@Suite.SuiteClasses({StreamListenerMethodReturnWithConversionTests.TestReturnConversion.class,
StreamListenerMethodReturnWithConversionTests.TestReturnNoConversion.class})
public class StreamListenerMethodReturnWithConversionTests extends Suite {
public StreamListenerMethodReturnWithConversionTests(Class<?> klass, RunnerBuilder builder) throws InitializationError {
super(klass, builder);
}
@RunWith(Parameterized.class)
public static class TestReturnConversion {
private Class<?> configClass;
public TestReturnConversion(Class<?> configClass) {
this.configClass = configClass;
}
@Parameterized.Parameters
public static Collection InputConfigs() {
return Arrays.asList(new Class[] {TestPojoWithMimeType1.class, TestPojoWithMimeType2.class});
}
@Test
@SuppressWarnings("unchecked")
public void testReturnConversion() throws Exception {
ConfigurableApplicationContext context = SpringApplication.run(this.configClass,
"--spring.cloud.stream.bindings.output.contentType=application/json", "--server.port=0");
MessageCollector collector = context.getBean(MessageCollector.class);
Processor processor = context.getBean(Processor.class);
String id = UUID.randomUUID().toString();
processor.input().send(MessageBuilder.withPayload("{\"foo\":\"barbar" + id + "\"}")
.setHeader("contentType", "application/json").build());
TestPojoWithMimeType testPojoWithMimeType = context.getBean(TestPojoWithMimeType.class);
assertThat(testPojoWithMimeType.receivedPojos).hasSize(1);
assertThat(testPojoWithMimeType.receivedPojos.get(0)).hasFieldOrPropertyWithValue("foo", "barbar" + id);
Message<String> message = (Message<String>) collector.forChannel(processor.output()).poll(1, TimeUnit.SECONDS);
assertThat(message).isNotNull();
assertThat(message.getPayload()).isEqualTo("{\"bar\":\"barbar" + id + "\"}");
assertThat(message.getHeaders().get(MessageHeaders.CONTENT_TYPE, MimeType.class).includes(MimeTypeUtils.APPLICATION_JSON));
context.close();
}
}
@RunWith(Parameterized.class)
public static class TestReturnNoConversion {
private Class<?> configClass;
public TestReturnNoConversion(Class<?> configClass) {
this.configClass = configClass;
}
@Parameterized.Parameters
public static Collection InputConfigs() {
return Arrays.asList(new Class[] {TestPojoWithMimeType1.class, TestPojoWithMimeType2.class});
}
@Test
@SuppressWarnings("unchecked")
public void testReturnNoConversion() throws Exception {
ConfigurableApplicationContext context = SpringApplication.run(this.configClass, "--server.port=0");
MessageCollector collector = context.getBean(MessageCollector.class);
Processor processor = context.getBean(Processor.class);
String id = UUID.randomUUID().toString();
processor.input().send(MessageBuilder.withPayload("{\"foo\":\"barbar" + id + "\"}")
.setHeader("contentType", "application/json").build());
TestPojoWithMimeType testPojoWithMimeType = context.getBean(TestPojoWithMimeType.class);
assertThat(testPojoWithMimeType.receivedPojos).hasSize(1);
assertThat(testPojoWithMimeType.receivedPojos.get(0)).hasFieldOrPropertyWithValue("foo", "barbar" + id);
Message<StreamListenerTestUtils.BarPojo> message = (Message<StreamListenerTestUtils.BarPojo>) collector.forChannel(processor.output()).poll(1,
TimeUnit.SECONDS);
assertThat(message).isNotNull();
assertThat(message.getPayload().getBar()).isEqualTo("barbar" + id);
assertThat(message.getHeaders().get(MessageHeaders.CONTENT_TYPE, MimeType.class) == null);
context.close();
}
}
@EnableBinding(Processor.class)
@EnableAutoConfiguration
public static class TestPojoWithMimeType1 extends TestPojoWithMimeType {
@StreamListener(Processor.INPUT)
@SendTo(Processor.OUTPUT)
public StreamListenerTestUtils.BarPojo receive(StreamListenerTestUtils.FooPojo fooPojo) {
this.receivedPojos.add(fooPojo);
StreamListenerTestUtils.BarPojo barPojo = new StreamListenerTestUtils.BarPojo();
barPojo.setBar(fooPojo.getFoo());
return barPojo;
}
}
@EnableBinding(Processor.class)
@EnableAutoConfiguration
public static class TestPojoWithMimeType2 extends TestPojoWithMimeType {
@StreamListener(Processor.INPUT)
@Output(Processor.OUTPUT)
public StreamListenerTestUtils.BarPojo receive(StreamListenerTestUtils.FooPojo fooPojo) {
this.receivedPojos.add(fooPojo);
StreamListenerTestUtils.BarPojo barPojo = new StreamListenerTestUtils.BarPojo();
barPojo.setBar(fooPojo.getFoo());
return barPojo;
}
}
public static class TestPojoWithMimeType {
List<StreamListenerTestUtils.FooPojo> receivedPojos = new ArrayList<>();
}
}