/**
 * Test class for Transformer interface.
 * Tests the contract and behavior of Transformer implementations.
 */
public class TransformerTest extends PlainTestCase {

    /**
     * Basic test implementation of Transformer
     */
    public static class TestTransformer implements Transformer {
        private String name;
        private final AtomicInteger transformCallCount = new AtomicInteger(0);

/**
 * Abstract base class for CrawlerClient implementations.
 * Provides common functionality for handling initialization parameters,
 * content length checks, and default method implementations.
 * It defines the basic structure and configuration options for crawler clients.
 */
public abstract class AbstractCrawlerClient implements CrawlerClient {

    private static final Logger logger = LogManager.getLogger(AbstractCrawlerClient.class);

      <version>${slf4jVersion}</version>
      <scope>runtime</scope>
    </dependency>
    <dependency>
      <groupId>org.apache.maven.resolver</groupId>
      <artifactId>maven-resolver-connector-basic</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven.resolver</groupId>
      <artifactId>maven-resolver-transport-file</artifactId>
    </dependency>

        public String getName() {
            return name;
        }

        public int getProcessCount() {
            return processCount;
        }
    }

    /**
     * Test basic Rule implementation
     */
    public void test_basicRuleImplementation() {
        TestResponseProcessor processor = new TestResponseProcessor("testProcessor");
        TestRule rule = new TestRule("rule1", processor, true);

                .singleton("urlFilter", UrlFilterImpl.class)
                .singleton("dataService", DataServiceImpl.class);
        urlFilter = container.getComponent("urlFilter");
    }

    /**
     * Test basic initialization with session ID
     */
    public void test_init_withSessionId() {
        String sessionId = "test-session-001";
        urlFilter.init(sessionId);
        // Initialization should complete without errors

            return instanceCount;
        }

        public static void resetInstanceCount() {
            instanceCount = 0;
        }
    }

    /**
     * Test basic object creation
     */
    public void test_create_basic() throws Exception {
        factory.setComponentName("testComponent");

        TestComponent component = factory.create();
        assertNotNull(component);

* Fix typo in documentation for [Simple HTTP Basic Auth](https://fastapi.tiangolo.com/advanced/security/http-basic-auth/#simple-http-basic-auth). PR [#514](https://github.com/tiangolo/fastapi/pull/514) by [@prostomarkeloff](https://github.com/prostomarkeloff).