data.putValues("key", new String[] { "value3", "value4", "value5" });
        assertEquals(3, data.getValues("key").length);
        assertEquals("value3", data.getValues("key")[0]);
        assertEquals("value5", data.getValues("key")[2]);
    }

    public void test_serializable() {
        // Test that ExtractData is Serializable
        ExtractData data = new ExtractData("content");

    public void test_getFieldValues() throws Exception {
        Map<String, Object> document = new HashMap<>();
        document.put("string_field", "value1");
        document.put("string_array_field", new String[] { "value2", "value3" });
        document.put("list_field", java.util.Arrays.asList("value4", "value5"));
        document.put("int_field", 123);

        String[] stringValues = defaultContentsParser.getFieldValues(document, "string_field");

        SuggestSettingsBuilder builder2 = new SuggestSettingsBuilder();

        builder1.addInitialSettings("key", "value1");
        builder2.addInitialSettings("key", "value2");

        assertEquals("value1", builder1.initialSettings.get("key"));
        assertEquals("value2", builder2.initialSettings.get("key"));
    }

    @Test
    public void testBuildMultipleInstances() {

        assertEquals(Method.TRACE, Method.valueOf("TRACE"));
        assertEquals(Method.CONNECT, Method.valueOf("CONNECT"));
    }

    @Test
    public void test_MethodEnumValues() {
        // ## Test that Method.values() returns all 8 methods ##

        // ## Act ##
        final Method[] values = Method.values();

        // ## Assert ##
        assertEquals(8, values.length);
    }

    @Test

        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQueryCollection(String name, Collection<?> values) {

        return fields.toArray(new String[0]);
    }

    /**
     * Removes surrounding quotes from a field value.
     *
     * @param field the field value
     * @return the unquoted field value
     */
    protected String unquoteField(final String field) {
        if (QUOTED_FIELD_PATTERN.matcher(field).matches()) {

        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQueryCollection(String name, Collection<?> values) {

        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQueryCollection(String name, Collection<?> values) {

 * Tests all enum functionality including values, valueOf, ordinal, and serialization.
 */
public class CrawlerStatusTest extends PlainTestCase {

    /**
     * Test that all expected enum values exist
     */
    public void test_enumValues() {
        CrawlerStatus[] values = CrawlerStatus.values();

        assertNotNull(values);
        assertEquals(3, values.length);

        // Verify all expected values exist

        assertEquals(0, values.length);
    }

    @Test
    public void testGetHeaderValue() {
        CurlResponse response = new CurlResponse();
        Map<String, List<String>> headers = new HashMap<>();
        headers.put("Content-Type", Arrays.asList("application/json"));
        headers.put("Content-Length", Arrays.asList("100"));
        response.setHeaders(headers);