/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

import java.io.*;
import java.net.*;
import com.sun.ejte.ccl.reporter.*;

/*
 * Unit test for default error page, that is, an <error-page> declaration
 * with a <location> but no <error-code> or <exception-type>.
 */
public class WebTest {

    private static SimpleReporterAdapter stat
        = new SimpleReporterAdapter("appserv-tests");

    private static final String TEST_NAME = "servlet-3.0-default-error-page";
    private static final String EXPECTED_RESPONSE = "This is the default error page";
    private static final int EXPECTED_RESPONSE_CODE = 200;

    private String host;
    private String port;
    private String contextRoot;

    public WebTest(String[] args) {
        host = args[0];
        port = args[1];
        contextRoot = args[2];
    }

    public static void main(String[] args) {
        stat.addDescription("Unit test for default error page");
        WebTest webTest = new WebTest(args);
        webTest.doTest();
        stat.printSummary(TEST_NAME);
    }

    public void doTest() {
        try {
            invoke();
            stat.addStatus(TEST_NAME, stat.PASS);
        } catch (Exception ex) {
            stat.addStatus(TEST_NAME, stat.FAIL);
            ex.printStackTrace();
        }
    }

    private void invoke() throws Exception {
        URL url = new URL("http://" + host  + ":" +
                          port + contextRoot + "/test");
        System.out.println("Invoking URL: " + url.toString());
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.connect();
        int responseCode = conn.getResponseCode();
        if (responseCode != EXPECTED_RESPONSE_CODE) {
            throw new Exception("Unexpected response code: " + responseCode +
                                ", expected: " + EXPECTED_RESPONSE_CODE);
        }
        InputStream is = conn.getInputStream();
        BufferedReader input = new BufferedReader(new InputStreamReader(is));
        String response = input.readLine();
        if (!EXPECTED_RESPONSE.equals(response)) {
            throw new Exception("Wrong response, expected: " +
                EXPECTED_RESPONSE + ", received: " + response);
        }
    }
}