【问题标题】:Test websocket in spring boot application在 Spring Boot 应用程序中测试 websocket
【发布时间】:2016-10-20 08:04:35
【问题描述】:

我不明白如何正确地在 springboot 应用程序中为 websocket 编写测试用例。我有一个实现WebSocketHandler 的类,我在WebSocketConfigurer 中添加了这个处理程序:

@Configuration
@EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {

@Override
public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
    registry.addHandler(logWebSocketHandler() , "/test")
            .addInterceptors(new HttpSessionHandshakeInterceptor())
            .setAllowedOrigins("*");
}

@Bean
public LogWebSocketHandler logWebSocketHandler(){
    return new LogWebSocketHandler();
}
}

但是当我在下面的测试用例中写这个时,我得到了一个异常:

@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration({App.class})
@WebAppConfiguration
public class LogsControllerTest  {

private WebSocketContainer container;

@Before
public void setup() {
    container = ContainerProvider.getWebSocketContainer();

}

@Test
public void testGetLog() throws Exception {
    Session session = container.connectToServer(new TestEndpoint(),
            URI.create("ws://127.0.0.1:8080/test"));
}
}

例外: javax.websocket.DeploymentException: 发起WebSocket连接的HTTP请求失败

我读到如果我设置ws://127.0.0.1:8080/test/(斜线结尾)它会起作用,但它不起作用。

我做错了什么?

【问题讨论】:

    标签: java spring spring-boot spring-websocket java-websocket


    【解决方案1】:

    我找到了解决方案:

    添加注解@WebIntegrationTest(value = 8080)或者你可以指定randomPort = true

    之后添加:

    @ClientEndpoint
    public class TestWebSocketClient {
        Session session;
    
        @OnOpen
        public void onOpen(final Session session){
            this.session = session;
        }
    }
    

    在测试正文中:

    @Autowired
    private LogWebSocketHandler socketHandler;
    
    private WebSocketContainer container;
    private TestWebSocketClient client;
    
    @Before
    public void setup() {
        container = ContainerProvider.getWebSocketContainer();
        client = new TestWebSocketClient();
    }
    
    @Test
    public void createSessionAfterOpenLogWebSocketHandler() throws Exception {
        container.connectToServer(client , URI.create("ws://localhost:8080/path"));
        while( !socketHandler.isOpen()){
            // sometime it is doesn't work, but I dont know solution of this problem
            // wait until socket is open
        }
        Assert.assertTrue( socketHandler.isOpen() );
    }
    

    【讨论】:

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