package fi.iki.elonen.integration;

/*
 * #%L
 * NanoHttpd-Core
 * %%
 * 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:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * 3. Neither the name of the nanohttpd nor the names of its contributors
 *    may be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * #L%
 */

import static org.junit.Assert.fail;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import org.junit.Test;

import fi.iki.elonen.NanoHTTPD;

public class ShutdownTest {

    private class TestServer extends NanoHTTPD {

        public TestServer() {
            super(8092);
        }

        @Override
        public Response serve(IHTTPSession session) {
            return newFixedLengthResponse("Whatever");
        }
    }

    @Test
    public void connectionsAreClosedWhenServerStops() throws IOException {
        TestServer server = new TestServer();
        server.start();
        makeRequest();
        server.stop();
        try {
            makeRequest();
            fail("Connection should be closed!");
        } catch (IOException e) {
            // Expected exception
        }
    }

    private void makeRequest() throws MalformedURLException, IOException {
        HttpURLConnection connection = (HttpURLConnection) new URL("http://localhost:8092/").openConnection();
        // Keep-alive seems to be on by default, but just in case that changes.
        connection.addRequestProperty("Connection", "keep-alive");
        InputStream in = connection.getInputStream();
        while (in.available() > 0) {
            in.read();
        }
        in.close();
    }

}