samples.websocket.echo.SampleWebSocketsApplicationTests.java Source code

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Here is the source code for samples.websocket.echo.SampleWebSocketsApplicationTests.java

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/*
 * Copyright 2012-2014 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 samples.websocket.echo;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.test.IntegrationTest;
import org.springframework.boot.test.SpringApplicationConfiguration;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.web.socket.client.WebSocketConnectionManager;
import org.springframework.web.socket.client.standard.StandardWebSocketClient;

import samples.websocket.client.GreetingService;
import samples.websocket.client.SimpleClientWebSocketHandler;
import samples.websocket.client.SimpleGreetingService;
import samples.websocket.config.SampleWebSocketsApplication;

import static org.junit.Assert.assertEquals;

@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = SampleWebSocketsApplication.class)
@WebAppConfiguration
@IntegrationTest("server.port:0")
@DirtiesContext
public class SampleWebSocketsApplicationTests {

    private static Log logger = LogFactory.getLog(SampleWebSocketsApplicationTests.class);

    private static String WS_URI;

    @Value("${local.server.port}")
    private int port;

    @Before
    public void init() {
        WS_URI = "ws://localhost:" + this.port + "/echo/websocket";
    }

    @Test
    public void runAndWait() throws Exception {
        ConfigurableApplicationContext context = SpringApplication.run(ClientConfiguration.class,
                "--spring.main.web_environment=false");
        long count = context.getBean(ClientConfiguration.class).latch.getCount();
        context.close();
        assertEquals(0, count);
    }

    @Configuration
    static class ClientConfiguration implements CommandLineRunner {

        private final CountDownLatch latch = new CountDownLatch(1);

        @Override
        public void run(String... args) throws Exception {
            logger.info("Waiting for response: latch=" + this.latch.getCount());
            this.latch.await(10, TimeUnit.SECONDS);
            logger.info("Got response: latch=" + this.latch.getCount());
        }

        @Bean
        public WebSocketConnectionManager wsConnectionManager() {

            WebSocketConnectionManager manager = new WebSocketConnectionManager(client(), handler(), WS_URI);
            manager.setAutoStartup(true);

            return manager;
        }

        @Bean
        public StandardWebSocketClient client() {
            return new StandardWebSocketClient();
        }

        @Bean
        public SimpleClientWebSocketHandler handler() {
            return new SimpleClientWebSocketHandler(greetingService(), this.latch);
        }

        @Bean
        public GreetingService greetingService() {
            return new SimpleGreetingService();
        }
    }

}