websocket/src/test/java/fi/iki/elonen/samples/echo/EchoWebSocketsTest.java

package fi.iki.elonen.samples.echo;

/*
 * #%L
 * NanoHttpd-Websocket
 * %%
 * Copyright (C) 2012 - 2015 nanohttpd
 * %%
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
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 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
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import java.net.URI;
import java.util.concurrent.TimeUnit;

import org.eclipse.jetty.websocket.client.ClientUpgradeRequest;
import org.eclipse.jetty.websocket.client.WebSocketClient;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

import fi.iki.elonen.NanoWSD;

public class EchoWebSocketsTest {

    private static NanoWSD server;

    @BeforeClass
    public static void setUp() throws Exception {
        EchoWebSocketsTest.server = new DebugWebSocketServer(9191, true);
        EchoWebSocketsTest.server.start();
    }

    @AfterClass
    public static void tearDown() throws Exception {
        EchoWebSocketsTest.server.stop();
    }

    @Test
    public void testWebsocketClient() throws Exception {
        String destUri = "ws://localhost:9191";

        WebSocketClient client = new WebSocketClient();
        SimpleEchoSocket socket = new SimpleEchoSocket();
        socket.getToSendMessages().add("Hello");
        socket.getToSendMessages().add("Thanks for the conversation.");
        socket.getToSendMessages().add(createString(31000));
        socket.getToSendMessages().add(createString(65400));
        try {
            client.start();
            URI echoUri = new URI(destUri);
            ClientUpgradeRequest request = new ClientUpgradeRequest();
            client.connect(socket, echoUri, request);
            System.out.printf("Connecting to : %s%n", echoUri);
            socket.awaitClose(5, TimeUnit.SECONDS);
        } catch (Throwable t) {
            t.printStackTrace();
        } finally {
            try {
                client.stop();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        Assert.assertEquals(4, socket.getReceivedMessages().size());
        Assert.assertEquals("Hello", socket.getReceivedMessages().get(0));
        Assert.assertEquals("Thanks for the conversation.", socket.getReceivedMessages().get(1));

    }

    private String createString(int i) {
        StringBuilder builder = new StringBuilder();
        while (builder.length() < i) {
            builder.append("A very long text.");
        }
        return builder.toString();
    }
}