Spring集成:MQTT集成测试基础
我尝试测试一个使用Spring引导和Spring集成创建的简单MQTT侦听器,但没有让它正常工作。我试过很多方法。最有希望的是:Spring集成:MQTT集成测试基础,spring,spring-integration,paho,spring-integration-dsl,spring-integration-mqtt,Spring,Spring Integration,Paho,Spring Integration Dsl,Spring Integration Mqtt,我尝试测试一个使用Spring引导和Spring集成创建的简单MQTT侦听器,但没有让它正常工作。我试过很多方法。最有希望的是: @RunWith(SpringRunner.class) @SpringBootTest public class BasicMqttTest { @Value("${mqtt.client.id}") private String mqttClientId; @Value("${mqtt.state.topic}") private String mqttTop
@RunWith(SpringRunner.class)
@SpringBootTest
public class BasicMqttTest {
@Value("${mqtt.client.id}")
private String mqttClientId;
@Value("${mqtt.state.topic}")
private String mqttTopic;
@Autowired
MqttPahoClientFactory mqttPahoClientFactory;
protected IMqttClient client;
@Before
public void setUp() throws Exception {
client = mqttPahoClientFactory.getClientInstance(mqttPahoClientFactory.getConnectionOptions().getServerURIs()[0], mqttClientId);
client.connect();
}
@After
public void tearDown() throws Exception {
client.disconnect();
client.close();
}
@Test
public void contextLoads() throws Exception {
MqttMessage mqttMessage = new MqttMessage();
mqttMessage.setPayload("MQTT!".getBytes());
client.publish(mqttTopic, mqttMessage);
}
}
但是,测试运行时使用
2018-07-12 16:53:50.937错误21160-[T Rec:consumer].m.i.MqttPahoMessageDrivenChannelAdapter:loss connection:Verbindung wurde getrent;正在重试…
,我没有看到任何打印出来的内容。
代码主要来自:
. 该示例运行良好,但我需要能够编写适当的集成测试
配置为:
@Value("${mqtt.server.uri}")
private String mqttServerUri;
@Value("${mqtt.username}")
private String mqttUsername;
@Value("${mqtt.password}")
private String mqttPassword;
@Value("${mqtt.client.id}")
private String mqttClientId;
@Value("${mqtt.state.topic}")
private String mqttTopic;
@Value("${mqtt.completion.timeout}")
private Integer mqttCompletionTimeout;
@Value("${mqtt.quality.of.service}")
private Integer mqttQualityOfService;
@Bean
public MqttPahoClientFactory mqttClientFactory() {
DefaultMqttPahoClientFactory factory = new DefaultMqttPahoClientFactory();
MqttConnectOptions options = new MqttConnectOptions();
options.setServerURIs(new String[]{mqttServerUri});
options.setUserName(mqttUsername);
options.setPassword(mqttPassword.toCharArray());
factory.setConnectionOptions(options);
return factory;
}
@Bean
@Qualifier("MqttInboundChannel")
public MessageProducerSupport mqttInbound() {
MqttPahoMessageDrivenChannelAdapter adapter = new MqttPahoMessageDrivenChannelAdapter(
mqttClientId,
mqttClientFactory(),
mqttTopic
);
adapter.setCompletionTimeout(mqttCompletionTimeout);
adapter.setConverter(new DefaultPahoMessageConverter());
adapter.setQos(mqttQualityOfService);
return adapter;
}
@Bean
public IntegrationFlow myMqttInFlow() {
return IntegrationFlows.from(mqttInbound)
.handle(message -> {
System.out.println(message);
}).get();
}
更新:
也不起作用:
@Autowired
protected MessageHandler mqttOutbound;
@Test
public void test0() throws Exception {
mqttOutbound.handleMessage(MessageBuilder.withPayload("test").build());
}
@SpringBootApplication
static class MqttSourceApplication {
@Autowired
private MqttPahoClientFactory mqttClientFactory;
@Bean
public MessageHandler mqttOutbound() {
MqttPahoMessageHandler messageHandler = new MqttPahoMessageHandler("test", mqttClientFactory);
messageHandler.setAsync(true);
messageHandler.setDefaultTopic("test");
messageHandler.setConverter(pahoMessageConverter());
return messageHandler;
}
@Bean
public DefaultPahoMessageConverter pahoMessageConverter() {
DefaultPahoMessageConverter converter = new DefaultPahoMessageConverter(1, false, "UTF-8");
return converter;
}
}
更新
更简单的是。。。同样的错误:
@Autowired
MqttPahoClientFactory mqttPahoClientFactory;
private MessageHandler mqttOutbound;
@Before
public void setUp() throws Exception {
MqttPahoMessageHandler messageHandler = new MqttPahoMessageHandler(mqttClientId, mqttPahoClientFactory);
messageHandler.setAsync(false);
messageHandler.setDefaultTopic(mqttTopic);
messageHandler.setConverter(new DefaultPahoMessageConverter());
mqttOutbound = messageHandler;
}
@Test
public void test0() throws Exception {
mqttOutbound.handleMessage(MessageBuilder.withPayload("test").build());
Thread.sleep(10000L);
}
好的,解决了:Paho显然关闭了我的连接,因为test和main都使用了相同的客户端id。解决方案是将clientId替换为
MqttAsyncClient.generateClientId()
,如下所示:我在示例中添加了一个测试:是的,很酷。谢谢,看起来比我的方法要复杂一点,而且显然你知道如何添加内存代理,所以我可以跳过来问一个新问题。