SingletonLaContainerFactory.setExternalContext(new GenericExternalContext());
            SingletonLaContainerFactory.setExternalContextComponentDefRegister(new GenericExternalContextComponentDefRegister());
            SingletonLaContainerFactory.init();

            final Thread shutdownCallback = new Thread("ShutdownHook") {
                @Override
                public void run() {

        itemList.add(new SynonymItem(1, new String[] { "a1" }, new String[] { "A1" }));
        itemList.add(new SynonymItem(2, new String[] { "b1", "b2" }, new String[] { "B1" }));
        itemList.add(new SynonymItem(3, new String[] { "c1" }, new String[] { "C1", "C2" }));
        itemList.add(new SynonymItem(4, new String[] { "x1", "X1" }, new String[] { "x1", "X1" }));

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        scriptExecutor = new ScriptExecutor();
        scriptEngineFactory = new ScriptEngineFactory();
        testScriptEngine = new TestScriptEngine();
        ComponentUtil.register(scriptEngineFactory, "scriptEngineFactory");
    }

    @Override

        final GroovyEngine engine = new GroovyEngine();
        final int threadCount = 8;
        final int iterationsPerThread = 50;
        final ExecutorService executor = Executors.newFixedThreadPool(threadCount);
        final CountDownLatch startLatch = new CountDownLatch(1);
        final AtomicInteger errors = new AtomicInteger(0);

        final List<Future<?>> futures = new ArrayList<>();

public class IngestFactoryTest extends UnitFessTestCase {

    @Test
    public void test_add_1() {
        IngestFactory factory = new IngestFactory();
        factory.add(new TestIngester(1));
        factory.add(new TestIngester(2));
        factory.add(new TestIngester(3));
        Ingester[] ingesters = factory.getIngesters();
        assertEquals(1, ingesters[0].getPriority());

        super.setUp(testInfo);
        searchLogHelper = new TestableSearchLogHelper();
        setupMockComponents();
        searchLogHelper.init();
    }

    private void setupMockComponents() {
        ComponentUtil.setFessConfig(new MockFessConfig());
        ComponentUtil.register(new MockSystemHelper(), "systemHelper");
    }

    @Test
    public void test_init() {

        }
        return null
    }

    private static List<Boolean> typeParametersNullabilityOf(CtClass ctClass) {
        NullableClassTypeParametersVisitor visitor = new NullableClassTypeParametersVisitor()
        new ClassReader(byteCodeFrom(ctClass)).accept(visitor, 0)
        return visitor.typeParametersNullability
    }

    static class NullableClassTypeParametersVisitor extends ClassVisitor {

    }

    @Test
    public void test_getCacheKey_emptyArrays() {
        String seed = "test_seed";
        String[] tags = new String[0];
        String[] roles = new String[0];
        String[] fields = new String[0];
        String[] excludes = new String[0];

        String result = popularWordHelper.getCacheKey(seed, tags, roles, fields, excludes);

        assertNotNull(result);

    @Test
    public void test_processDirectMemberOf_collectsGroupIds() throws Exception {
        EntraIdAuthenticator authenticator = new EntraIdAuthenticator();

        List<String> groupList = new ArrayList<>();
        List<String> roleList = new ArrayList<>();
        List<String> groupIdsForParentLookup = new ArrayList<>();

        // Call with invalid URL - should handle gracefully

        final Map<String, Object> doc = new HashMap<>();
        // leave required fields empty

        final List<VaMessenger<FessMessages>> errorMessages = new ArrayList<>();
        AdminSearchlistAction.validateFields(doc, errorMessages::add);

        assertFalse(errorMessages.isEmpty());

        final FessMessages messages = new FessMessages();
        errorMessages.forEach(m -> m.message(messages));