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

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

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 *

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

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/*

 * @test

 * @summary Basic test for Expect 100-Continue ( HTTP/1.1 only )

 * @modules java.net.http

 *          jdk.httpserver

 * @library /lib/testlibrary

 * @build jdk.testlibrary.SimpleSSLContext

 * @run testng/othervm ExpectContinue

 */

import com.sun.net.httpserver.HttpExchange;

import com.sun.net.httpserver.HttpHandler;

import com.sun.net.httpserver.HttpServer;

import com.sun.net.httpserver.HttpsConfigurator;

import com.sun.net.httpserver.HttpsServer;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.InetAddress;

import java.net.InetSocketAddress;

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 javax.net.ssl.SSLContext;

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 static java.lang.System.out;

import static org.testng.Assert.assertEquals;

public class ExpectContinue {

    SSLContext sslContext;

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

    HttpsServer httpsTestServer;       // HTTPS/1.1

    String httpURI;

    String httpsURI;

    @DataProvider(name = "positive")

    public Object[][] positive() {

        return new Object[][] {

                { httpURI,  false, "Billy" },

                { httpURI,  false, "Bob"   },

                { httpURI,  true,  "Jimmy" },

                { httpsURI, true,  "Jack"  },

        };

    }

    @Test(dataProvider = "positive")

    void test(String uriString, boolean expectedContinue, String data)

        throws Exception

    {

        out.printf("test(%s, %s, %s): starting%n", uriString, expectedContinue, data);

        HttpClient client = HttpClient.newBuilder()

                .sslContext(sslContext)

                .build();

        URI uri = URI.create(uriString);

        HttpRequest request = HttpRequest.newBuilder(uri)

                .expectContinue(expectedContinue)

                .POST(BodyPublishers.ofString(data))

                .build();

        HttpResponse<String> response = client.send(request,

                                                    BodyHandlers.ofString());

        System.out.println("First response: " + response);

        assertEquals(response.statusCode(), 200);

        assertEquals(response.body(), data);

        // again with the same request, to ensure no Expect header duplication

        response = client.send(request, BodyHandlers.ofString());

        System.out.println("Second response: " + response);

        assertEquals(response.statusCode(), 200);

        assertEquals(response.body(), data);

    }

    @Test(dataProvider = "positive")

    void testAsync(String uriString, boolean expectedContinue, String data) {

        out.printf("test(%s, %s, %s): starting%n", uriString, expectedContinue, data);

        HttpClient client = HttpClient.newBuilder()

                .sslContext(sslContext)

                .build();

        URI uri = URI.create(uriString);

        HttpRequest request = HttpRequest.newBuilder(uri)

                .expectContinue(expectedContinue)

                .POST(BodyPublishers.ofString(data))

                .build();

        HttpResponse<String> response = client.sendAsync(request,

                BodyHandlers.ofString()).join();

        System.out.println("First response: " + response);

        assertEquals(response.statusCode(), 200);

        assertEquals(response.body(), data);

        // again with the same request, to ensure no Expect header duplication

        response = client.sendAsync(request, BodyHandlers.ofString()).join();

        System.out.println("Second response: " + response);

        assertEquals(response.statusCode(), 200);

        assertEquals(response.body(), data);

    }

    // -- Infrastructure

    static String serverAuthority(HttpServer server) {

        return InetAddress.getLoopbackAddress().getHostName() + ":"

                + server.getAddress().getPort();

    }

    @BeforeTest

    public void setup() throws Exception {

        sslContext = new SimpleSSLContext().get();

        if (sslContext == null)

            throw new AssertionError("Unexpected null sslContext");

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

        httpTestServer = HttpServer.create(sa, 0);

        httpTestServer.createContext("/http1/ec", new Http1ExpectContinueHandler());

        httpURI = "http://" + serverAuthority(httpTestServer) + "/http1/ec";

        httpsTestServer = HttpsServer.create(sa, 0);

        httpsTestServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));

        httpsTestServer.createContext("/https1/ec", new Http1ExpectContinueHandler());

        httpsURI = "https://" + serverAuthority(httpsTestServer) + "/https1/ec";

        httpTestServer.start();

        httpsTestServer.start();

    }

    @AfterTest

    public void teardown() throws Exception {

        httpTestServer.stop(0);

        httpsTestServer.stop(0);

    }

    static class Http1ExpectContinueHandler implements HttpHandler {

        @Override

        public void handle(HttpExchange t) throws IOException {

            try (InputStream is = t.getRequestBody();

                 OutputStream os = t.getResponseBody()) {

                byte[] bytes = is.readAllBytes();

                List<String> expect = t.getRequestHeaders().get("Expect");

                if (expect != null && expect.size() != 1) {

                    System.out.println("Server: Expect: " + expect);

                    Throwable ex = new AssertionError("Expect: " + expect);

                    ex.printStackTrace();

                    t.sendResponseHeaders(500, 0);

                } else {

                    t.sendResponseHeaders(200, bytes.length);

                    os.write(bytes);

                }

            }

        }

    }

}