}

    // Test command string construction edge cases
    @Test
    public void test_command_string_edge_cases() throws Exception {
        // Test with commands containing special characters
        final List<String> specialCommands = Arrays.asList("echo \"test with quotes\"", "echo 'test with single quotes'",
                "echo test with spaces", "echo test&with&ampersand", "echo test|with|pipe");

        // Test with system property that exists
        System.setProperty("test.property", "test.value");
        execJob.testAddSystemProperty(cmdList, "test.property", "default", null);
        assertEquals(1, cmdList.size());
        assertEquals("-Dtest.property=test.value", cmdList.get(0));

        // Test with append value
        cmdList.clear();

        assertEquals("user-id-123", pager.id);
    }

    @Test
    public void test_user_mail() {
        final User user = new User();
        assertNull(user.getMail());

        user.setMail("test@example.com");
        assertEquals("test@example.com", user.getMail());
    }

    @Test
    public void test_user_telephoneNumber() {
        final User user = new User();

    }

    // Test constructor
    @Test
    public void test_constructor() {
        assertNotNull(new ImplementedInvokerAssistant());
    }

    // Test assistCurrentDBDef
    @Test
    public void test_assistCurrentDBDef() {
        DBDef result = invokerAssistant.assistCurrentDBDef();
        assertNull(result);
    }

    // Test assistDataSource
    @Test

    }

    @Test
    public void test_getName() {
        assertEquals("groovy", groovyEngine.getName());
    }

    // ===== Null-Safety Tests =====

    /**
     * Test that evaluate returns null for null template
     */
    @Test
    public void test_evaluate_nullTemplate() {
        final Map<String, Object> params = new HashMap<>();
        params.put("test", "value");

        assertEquals("test query", searchRenderData.getSearchQuery());

        // Test with complex query
        String complexQuery = "title:\"test document\" AND content:search OR category:technology";
        searchRenderData.setSearchQuery(complexQuery);
        assertEquals(complexQuery, searchRenderData.getSearchQuery());

        // Test with special characters

        jobExecutor = new TestJobExecutor();
    }

    @Test
    public void test_execute() {
        // Test execute method
        String scriptType = "test";
        String script = "test script";
        Object result = jobExecutor.execute(scriptType, script);
        assertEquals("Executed: test test script", result);

        // Test with null values
        result = jobExecutor.execute(null, "script");

import org.codelibs.fess.unit.UnitFessTestCase;
import org.junit.jupiter.api.Test;

public class DataStoreCrawlingExceptionTest extends UnitFessTestCase {

    @Test
    public void test_constructor_withUrlMessageAndException() {
        // Test with URL, message, and exception (abort defaults to false)
        String url = "http://example.com/test";
        String message = "Test error message";

    @Test
    public void test_getCrawlerProcessLimit() {
        assertEquals(3, fessConfig.getJobMaxCrawlerProcessesAsInteger().intValue());
    }

    // Test log output length limit
    @Test
    public void test_getMaxLogOutputLength() {
        assertEquals(4000, fessConfig.getMaxLogOutputLengthAsInteger().intValue());
    }

    // Test configuration with empty values
    @Test

                (field, boost) -> QueryBuilders.matchQuery(field, "test text").boost(boost),
                (field, text, boost) -> QueryBuilders.matchQuery(field, text).boost(boost));

        // Should build default query
        assertNotNull(result);
        assertTrue(result instanceof DefaultQueryBuilder);
    }

    /**
     * Test convertWithFieldCheck() with search field.
     */
    @Test