/*

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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/*

 * @test

 * @summary Basic test for WebSocketHandshakeException

 * @library /lib/testlibrary

 * @build jdk.testlibrary.SimpleSSLContext

 * @modules java.net.http

 *          jdk.httpserver

 * @run testng/othervm -Djdk.internal.httpclient.debug=true WSHandshakeExceptionTest

 */

import com.sun.net.httpserver.HttpServer;

import com.sun.net.httpserver.HttpsConfigurator;

import com.sun.net.httpserver.HttpsServer;

import java.net.InetAddress;

import java.net.http.HttpClient;

import java.net.http.WebSocket;

import java.net.http.WebSocketHandshakeException;

import jdk.testlibrary.SimpleSSLContext;

import org.testng.annotations.AfterTest;

import org.testng.annotations.BeforeTest;

import org.testng.annotations.DataProvider;

import org.testng.annotations.Test;

import javax.net.ssl.SSLContext;

import java.net.InetSocketAddress;

import java.net.URI;

import java.util.concurrent.CompletionException;

import java.util.concurrent.ExecutionException;

import java.util.concurrent.ExecutorService;

import java.util.concurrent.Executors;

import static org.testng.Assert.assertEquals;

import static org.testng.Assert.assertNotNull;

import static org.testng.Assert.fail;

public class WSHandshakeExceptionTest {

    SSLContext sslContext;

    HttpServer httpTestServer;         // HTTP/1.1    [ 2 servers ]

    HttpsServer httpsTestServer;       // HTTPS/1.1

    String httpURI;

    String httpsURI;

    static final int ITERATION_COUNT = 10;

    // a shared executor helps reduce the amount of threads created by the test

    static final ExecutorService executor = Executors.newCachedThreadPool();

    @DataProvider(name = "variants")

    public Object[][] variants() {

        return new Object[][]{

                { httpURI,    false },

                { httpsURI,   false },

                { httpURI,    true },

                { httpsURI,   true },

        };

    }

    HttpClient newHttpClient() {

        return HttpClient.newBuilder()

                         .executor(executor)

                         .sslContext(sslContext)

                         .build();

    }

    @Test(dataProvider = "variants")

    public void test(String uri, boolean sameClient) {

        HttpClient client = null;

        for (int i = 0; i < ITERATION_COUNT; i++) {

            System.out.printf("iteration %s%n", i);

            if (!sameClient || client == null)

                client = newHttpClient();

            try {

                client.newWebSocketBuilder()

                      .buildAsync(URI.create(uri), new WebSocket.Listener() { })

                      .join();

                fail("Expected to throw");

            } catch (CompletionException ce) {

                Throwable t = getCompletionCause(ce);

                if (!(t instanceof WebSocketHandshakeException)) {

                    throw new AssertionError("Unexpected exception", t);

                }

                WebSocketHandshakeException wse = (WebSocketHandshakeException) t;

                assertNotNull(wse.getResponse());

                assertEquals(wse.getResponse().statusCode(), 404);

            }

        }

    }

    @BeforeTest

    public void setup() throws Exception {

        sslContext = new SimpleSSLContext().get();

        if (sslContext == null)

            throw new AssertionError("Unexpected null sslContext");

        // HTTP/1.1

        InetSocketAddress sa = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0);

        httpTestServer = HttpServer.create(sa, 0);

        httpURI = "ws://localhost:" + httpTestServer.getAddress().getPort() + "/";

        httpsTestServer = HttpsServer.create(sa, 0);

        httpsTestServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));

        httpsURI = "wss://localhost:" + httpsTestServer.getAddress().getPort() + "/";

        httpTestServer.start();

        httpsTestServer.start();

    }

    @AfterTest

    public void teardown() {

        httpTestServer.stop(0);

        httpsTestServer.stop(0);

        executor.shutdownNow();

    }

    private static Throwable getCompletionCause(Throwable x) {

        if (!(x instanceof CompletionException)

                && !(x instanceof ExecutionException)) return x;

        final Throwable cause = x.getCause();

        if (cause == null) {

            throw new InternalError("Unexpected null cause", x);

        }

        return cause;

    }

}