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 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

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

 *

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

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * questions.

 */

/*

 * @test

 * @summary Expect ConnectException for all non-security related connect errors

 * @bug 8204864

 * @run testng/othervm ConnectExceptionTest

 * @run testng/othervm/java.security.policy=noPermissions.policy ConnectExceptionTest

 */

import java.io.IOException;

import java.net.ConnectException;

import java.net.InetSocketAddress;

import java.net.Proxy;

import java.net.ProxySelector;

import java.net.SocketAddress;

import java.net.URI;

import java.net.http.HttpClient;

import java.net.http.HttpRequest;

import java.net.http.HttpRequest.BodyPublishers;

import java.net.http.HttpResponse;

import java.net.http.HttpResponse.BodyHandlers;

import java.util.List;

import java.util.concurrent.ExecutionException;

import org.testng.annotations.DataProvider;

import org.testng.annotations.Test;

import static java.lang.System.out;

import static org.testng.Assert.assertTrue;

import static org.testng.Assert.fail;

public class ConnectExceptionTest {

    static final ProxySelector INVALID_PROXY = new ProxySelector() {

        final List<Proxy> proxy = List.of(new Proxy(Proxy.Type.HTTP,

                InetSocketAddress.createUnresolved("proxy.invalid", 8080)));

        @Override public List<Proxy> select(URI uri) { return proxy; }

        @Override public void connectFailed(URI uri, SocketAddress sa, IOException ioe) { }

        @Override public String toString() { return "INVALID_PROXY"; }

    };

    static final ProxySelector NO_PROXY = new ProxySelector() {

        @Override public List<Proxy> select(URI uri) { return List.of(Proxy.NO_PROXY); }

        @Override public void connectFailed(URI uri, SocketAddress sa, IOException ioe) { }

        @Override public String toString() { return "NO_PROXY"; }

    };

    @DataProvider(name = "uris")

    public Object[][] uris() {

        return new Object[][]{

            { "http://test.invalid/",  NO_PROXY       },

            { "https://test.invalid/", NO_PROXY       },

            { "http://test.invalid/",  INVALID_PROXY  },

            { "https://test.invalid/", INVALID_PROXY  },

        };

    }

    @Test(dataProvider = "uris")

    void testSynchronousGET(String uriString, ProxySelector proxy) throws Exception {

        out.printf("%n---%ntestSynchronousGET starting uri:%s, proxy:%s%n", uriString, proxy);

        HttpClient client = HttpClient.newBuilder().proxy(proxy).build();

        URI uri = URI.create(uriString);

        HttpRequest request = HttpRequest.newBuilder(uri).build();

        try {

            HttpResponse<String> response = client.send(request, BodyHandlers.ofString());

            fail("UNEXPECTED response: " + response + ", body:" + response.body());

        } catch (ConnectException ioe) {

            out.println("Caught expected: " + ioe);

            //ioe.printStackTrace(out);

        } catch (SecurityException expectedIfSMIsSet) {

            out.println("Caught expected: " + expectedIfSMIsSet);

            assertTrue(System.getSecurityManager() != null);

        }

    }

    @Test(dataProvider = "uris")

    void testSynchronousPOST(String uriString, ProxySelector proxy) throws Exception {

        out.printf("%n---%ntestSynchronousPOST starting uri:%s, proxy:%s%n", uriString, proxy);

        HttpClient client = HttpClient.newBuilder().proxy(proxy).build();

        URI uri = URI.create(uriString);

        HttpRequest request = HttpRequest.newBuilder(uri)

                .POST(BodyPublishers.ofString("Does not matter"))

                .build();

        try {

            HttpResponse<String> response = client.send(request, BodyHandlers.ofString());

            fail("UNEXPECTED response: " + response + ", body:" + response.body());

        } catch (ConnectException ioe) {

            out.println("Caught expected: " + ioe);

            //ioe.printStackTrace(out);

        } catch (SecurityException expectedIfSMIsSet) {

            out.println("Caught expected: " + expectedIfSMIsSet);

            assertTrue(System.getSecurityManager() != null);

        }

    }

    @Test(dataProvider = "uris")

    void testAsynchronousGET(String uriString, ProxySelector proxy) throws Exception {

        out.printf("%n---%ntestAsynchronousGET starting uri:%s, proxy:%s%n", uriString, proxy);

        HttpClient client = HttpClient.newBuilder().proxy(proxy).build();

        URI uri = URI.create(uriString);

        HttpRequest request = HttpRequest.newBuilder(uri).build();

        try {

            HttpResponse<String> response = client.sendAsync(request, BodyHandlers.ofString()).get();

            fail("UNEXPECTED response: " + response + ", body:" + response.body());

        } catch (ExecutionException ee) {

            Throwable t = ee.getCause();

            if (t instanceof ConnectException) {

                out.println("Caught expected: " + t);

            } else if (t instanceof SecurityException) {

                out.println("Caught expected: " + t);

                assertTrue(System.getSecurityManager() != null);

            } else {

                t.printStackTrace(out);

                fail("Unexpected exception: " + t);

            }

        }

    }

    @Test(dataProvider = "uris")

    void testAsynchronousPOST(String uriString, ProxySelector proxy) throws Exception {

        out.printf("%n---%ntestAsynchronousPOST starting uri:%s, proxy:%s%n", uriString, proxy);

        HttpClient client = HttpClient.newBuilder().proxy(proxy).build();

        URI uri = URI.create(uriString);

        HttpRequest request = HttpRequest.newBuilder(uri)

                .POST(BodyPublishers.ofString("Does not matter"))

                .build();

        try {

            HttpResponse<String> response = client.sendAsync(request, BodyHandlers.ofString()).get();

            fail("UNEXPECTED response: " + response + ", body:" + response.body());

        } catch (ExecutionException ee) {

            Throwable t = ee.getCause();

            if (t instanceof ConnectException) {

                out.println("Caught expected: " + t);

            } else if (t instanceof SecurityException) {

                out.println("Caught expected: " + t);

                assertTrue(System.getSecurityManager() != null);

            } else {

                t.printStackTrace(out);

                fail("Unexpected exception: " + t);

            }

        }

    }

}