jdk-24/test/jdk/java/net/httpclient/NoBodyPartOne.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test
 * @bug 8161157
 * @summary Test response body handlers/subscribers when there is no body
 * @library /lib/testlibrary http2/server
 * @build jdk.testlibrary.SimpleSSLContext
 * @modules java.base/sun.net.www.http
 *          java.net.http/jdk.internal.net.http.common
 *          java.net.http/jdk.internal.net.http.frame
 *          java.net.http/jdk.internal.net.http.hpack
 * @run testng/othervm
 *      -Djdk.internal.httpclient.debug=true
 *      -Djdk.httpclient.HttpClient.log=all
 *      NoBodyPartOne
 */

import java.net.URI;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
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.BodyHandler;
import java.net.http.HttpResponse.BodyHandlers;
import org.testng.annotations.Test;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;

public class NoBodyPartOne extends AbstractNoBody {

    @Test(dataProvider = "variants")
    public void testAsString(String uri, boolean sameClient) throws Exception {
        printStamp(START, "testAsString(\"%s\", %s)", uri, sameClient);
        HttpClient client = null;
        for (int i=0; i< ITERATION_COUNT; i++) {
            if (!sameClient || client == null)
                client = newHttpClient();

            HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
                                         .PUT(BodyPublishers.ofString(SIMPLE_STRING))
                                         .build();
            BodyHandler<String> handler = i % 2 == 0 ? BodyHandlers.ofString()
                                                     : BodyHandlers.ofString(UTF_8);
            HttpResponse<String> response = client.send(req, handler);
            String body = response.body();
            assertEquals(body, "");
        }
        // We have created many clients here. Try to speed up their release.
        if (!sameClient) System.gc();
    }

    @Test(dataProvider = "variants")
    public void testAsFile(String uri, boolean sameClient) throws Exception {
        printStamp(START, "testAsFile(\"%s\", %s)", uri, sameClient);
        HttpClient client = null;
        for (int i=0; i< ITERATION_COUNT; i++) {
            if (!sameClient || client == null)
                client = newHttpClient();

            HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
                                         .PUT(BodyPublishers.ofString(SIMPLE_STRING))
                                         .build();
            Path p = Paths.get("NoBody_testAsFile.txt");
            HttpResponse<Path> response = client.send(req, BodyHandlers.ofFile(p));
            Path bodyPath = response.body();
            assertTrue(Files.exists(bodyPath));
            assertEquals(Files.size(bodyPath), 0);
        }
        // We have created many clients here. Try to speed up their release.
        if (!sameClient) System.gc();
    }

    @Test(dataProvider = "variants")
    public void testAsByteArray(String uri, boolean sameClient) throws Exception {
        printStamp(START, "testAsByteArray(\"%s\", %s)", uri, sameClient);
        HttpClient client = null;
        for (int i=0; i< ITERATION_COUNT; i++) {
            if (!sameClient || client == null)
                client = newHttpClient();

            HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
                                         .PUT(BodyPublishers.ofString(SIMPLE_STRING))
                                         .build();
            HttpResponse<byte[]> response = client.send(req, BodyHandlers.ofByteArray());
            byte[] body = response.body();
            assertEquals(body.length, 0);
        }
        // We have created many clients here. Try to speed up their release.
        if (!sameClient) System.gc();
    }
}