assertNotNull(queue);
        assertNull(queue.getId());
        assertNull(queue.getSessionId());
        assertNull(queue.getMethod());
        assertNull(queue.getUrl());
        assertNull(queue.getMetaData());
        assertNull(queue.getEncoding());
        assertNull(queue.getParentUrl());
        assertNull(queue.getDepth());
        assertNull(queue.getLastModified());

        assertNotNull(result);
        assertNull(result.getId());
        assertNull(result.getSessionId());
        assertNull(result.getRuleId());
        assertNull(result.getUrl());
        assertNull(result.getParentUrl());
        assertEquals(Constants.OK_STATUS, result.getStatus());
        assertNull(result.getHttpStatusCode());
        assertNull(result.getMethod());
        assertNull(result.getMimeType());

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertNull;

class RepositoryUtilsTest {

    @Test
    void testToArtifactMethodsReturnNullWhenInputParameterIsNull() {
        assertNull(RepositoryUtils.toArtifact((Dependency) null));
        assertNull(RepositoryUtils.toArtifact((Artifact) null));
        assertNull(RepositoryUtils.toArtifact((org.apache.maven.artifact.Artifact) null));
    }

            // Verify parent groupId and version were removed (since child doesn't have explicit ones)
            assertNull(parentElement.child("groupId").orElse(null));
            assertNull(parentElement.child("version").orElse(null));
            // artifactId should also be removed since parent POM is in pomMap
            assertNull(parentElement.child("artifactId").orElse(null));
        }

        @Test

        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/dir1/dir2/")) {

public class ExtractDataTest extends PlainTestCase {

    public void test_defaultConstructor() {
        // Test default constructor
        ExtractData data = new ExtractData();
        assertNotNull(data);
        assertNull(data.getContent());
        assertNotNull(data.getKeySet());
        assertTrue(data.getKeySet().isEmpty());
    }

    public void test_constructorWithContent() {
        // Test constructor with content

public class ResponseDataTest extends PlainTestCase {

    public void test_defaultConstructor() {
        // Test default constructor
        ResponseData data = new ResponseData();
        assertNotNull(data);
        assertNull(data.getUrl());
        assertEquals(0, data.getHttpStatusCode());
        assertEquals(Constants.OK_STATUS, data.getStatus());
        assertFalse(data.isNoFollow());
        assertFalse(data.hasResponseBody());
    }

        // Set to null
        CrawlingParameterUtil.setUrlQueue(null);

        // Should be null now
        assertNull(CrawlingParameterUtil.getUrlQueue());
    }

    public void test_crawlerContext_setAndGet() {
        // Initially should be null
        assertNull(CrawlingParameterUtil.getCrawlerContext());

        // Create and set a CrawlerContext

        assertNull(((SitemapUrl) sitemaps[1]).getChangefreq());
        assertNull(((SitemapUrl) sitemaps[1]).getPriority());

        assertNull(sitemaps[2].getLastmod());
        assertEquals("http://www.example.com/catalog?item=73&desc=vacation_new_zealand", sitemaps[2].getLoc());
        assertNull(((SitemapUrl) sitemaps[2]).getChangefreq());
        assertNull(((SitemapUrl) sitemaps[2]).getPriority());

            assertNull(responseData.getResponseBody());
            assertNull(responseData.getMetaDataMap().get("label"));
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir1/")) {
            assertNull(responseData);
        }