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 /test/lib /test/jdk/java/net/httpclient/lib
 * @build jdk.test.lib.net.SimpleSSLContext jdk.httpclient.test.lib.http2.Http2TestServer
 * @run testng/othervm
 *      -Djdk.internal.httpclient.debug=true
 *      -Djdk.httpclient.HttpClient.log=all
 *      NoBodyPartOne
 */

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(sameClient);
            }
            try (var cl = new CloseableClient(client, sameClient)) {
                HttpRequest req = newRequestBuilder(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, "");
            }
        }
    }

    @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(sameClient);
            }

            try (var cl = new CloseableClient(client, sameClient)) {
                HttpRequest req = newRequestBuilder(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();
                assertEquals(response.statusCode(), 200);
                assertTrue(Files.exists(bodyPath));
                assertEquals(Files.size(bodyPath), 0, Files.readString(bodyPath));
            }
        }
    }

    @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(sameClient);
            }

            try (var cl = new CloseableClient(client, sameClient)) {
                HttpRequest req = newRequestBuilder(uri)
                        .PUT(BodyPublishers.ofString(SIMPLE_STRING))
                        .build();
                HttpResponse<byte[]> response = client.send(req, BodyHandlers.ofByteArray());
                byte[] body = response.body();
                assertEquals(body.length, 0);
            }
        }
    }
}