~AbstractTensorHandle() override {}

 public:
  // Returns tensor dtype.
  virtual tensorflow::DataType DataType() const = 0;

  // Returns the status of the tensor handle. If it is a tfrt::TensorHandle,
  // the tensor handle can be an error and return non-OK status.
  virtual absl::Status TensorHandleStatus() const;

  // Returns tensor shape. If tensor has unknown rank, shape remains untouched.

     */
    Object getAsObject(String value);

    /**
     * Returns {@literal true} if this converter can handle the specified type.
     *
     * @param clazz
     *            the type. Must not be {@literal null}
     * @return {@literal true} if this converter can handle the specified type
     */
    boolean isTarget(Class<?> clazz);

                    // Handle nested properties
                    if (key.contains(".")) {
                        // Simple nested property handling for testing
                        result = result.replace("${" + key + "}", String.valueOf(value));
                    } else if (value instanceof TestUser) {
                        // Handle TestUser object

                // Cleanup persistent handle manager
                if (persistentHandleManager != null) {
                    try {
                        persistentHandleManager.shutdown();
                        log.debug("Persistent handle manager shutdown on session logoff");
                    } catch (Exception e) {
                        log.warn("Error shutting down persistent handle manager during logoff", e);

        verify(mockConfig).getDefaultUsername();
        verify(mockConfig).getDefaultPassword();
        verify(mockConfig).getDefaultDomain();
    }

    @Test
    @DisplayName("Constructor should handle credentials from configuration")
    void testConstructorWithCredentials() throws CIFSException {
        // Given
        Configuration configWithCreds = mock(Configuration.class);

# Advanced Middleware { #advanced-middleware }

In the main tutorial you read how to add [Custom Middleware](../tutorial/middleware.md) to your application.

And then you also read how to handle [CORS with the `CORSMiddleware`](../tutorial/cors.md).

In this section we'll see how to use other middlewares.

## Adding ASGI middlewares { #adding-asgi-middlewares }

    private static final String ASCII_STRING = "ASCII Test";

    @Nested
    @DisplayName("Basic Encoding Methods")
    class BasicEncodingTests {

        @Test
        @DisplayName("getBytes should handle null string")
        void testGetBytesWithNull() {
            // When
            byte[] result = Strings.getBytes(null, StandardCharsets.UTF_8);

            // Then

        System.out.println("serving docs at http://localhost:" + getPort().get());
        DeploymentRegistry registry = getDeploymentRegistry();
        JavaApplicationHandle handle = registry.get(getPath(), JavaApplicationHandle.class);
        if (handle == null) {
            JavaExecHandleBuilder builder = getExecActionFactory().newJavaExec();
            builder.setExecutable(getJavaLauncher().get().getExecutablePath().getAsFile());

        @Test
        @DisplayName("should handle missing POM gracefully")
        void shouldHandleMissingPomGracefully() throws Exception {
            // No POM file in the directory
            UpgradeContext context = TestUtils.createMockContext(tempDir);

            // Execute apply goal
            applyGoal.execute(context);

            // Should handle gracefully (exact behavior depends on implementation)

            assertEquals(0, result.errorPoms().size(), "Should have no errors");
        }

        @Test
        @DisplayName("should handle strategy failures gracefully")
        void shouldHandleStrategyFailuresGracefully() throws Exception {
            UpgradeContext context = createMockContext();