switch cache.Info.Name {
	case "", dataUsageRoot:
		return cache, errors.New("internal error: root scan attempted")
	}
	basePath := drive.drivePath
	updatePath, closeDisk := globalScannerMetrics.currentPathUpdater(basePath, cache.Info.Name)
	defer closeDisk()

	s := folderScanner{
		root:                  basePath,
		getSize:               getSize,
		oldCache:              cache,

        // Scenario: DFS is disabled.
        when(mockConfig.isDfsDisabled()).thenReturn(true);
        assertNull(dfsImpl.resolve(mockContext, "domain", "root", "/path"));
    }

    @Test
    void testResolve_NullRoot() throws SmbAuthException {
        // Scenario: The root is null.
        assertNull(dfsImpl.resolve(mockContext, "domain", null, "/path"));
    }

    @Test

		return matches[1]
	}
	return "unknown"
}

func methodNotAllowedHandler(api string) func(w http.ResponseWriter, r *http.Request) {
	return errorResponseHandler
}

// If none of the http routes match respond with appropriate errors
func errorResponseHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method == http.MethodOptions {
		return
	}

	// returned early by any other middleware (but after the middleware that
	// sets the amz request id).
	httpTracerMiddleware,
	// Auth middleware verifies incoming authorization headers and routes them
	// accordingly. Client receives a HTTP error for invalid/unsupported
	// signatures.
	//
	// Validates all incoming requests to have a valid date header.
	setAuthMiddleware,

O sistema de injeção de dependência exige pré-registro das dependências e as dependências são resolvidas baseadas nos tipos declarados. Então, não é possível declarar mais do que um "componente" que fornece um certo tipo.

│   └── test_main.py
```

Digamos que agora o arquivo `main.py` com seu aplicativo **FastAPI** tenha algumas outras **operações de rotas**.

Ele tem uma operação `GET` que pode retornar um erro.

Ele tem uma operação `POST` que pode retornar vários erros.

Ambas as *operações de rotas* requerem um cabeçalho `X-Token`.

//// tab | Python 3.10+

```Python
{!> ../../docs_src/app_testing/app_b_an_py310/main.py!}

     */
    public TransportException(final String msg, final Throwable rootCause) {
        super(msg, rootCause);
    }

    /**
     * Gets the root cause of this exception.
     * @return root cause of this exception
     */
    @Deprecated
    public Throwable getRootCause() {
        return getCause();
    }

        // Create a root cause exception
        RuntimeException rootCause = new RuntimeException("Root cause error");
        TransportException exception = new TransportException(rootCause);

        // Verify the exception has the correct cause
        assertNotNull(exception);
        assertEquals(rootCause, exception.getCause());
        assertEquals("java.lang.RuntimeException: Root cause error", exception.getMessage());

    @Test
    void testThrowableConstructor() {
        // Test the constructor with a cause
        Throwable cause = new RuntimeException("Root cause of timeout");
        ConnectionTimeoutException exception = new ConnectionTimeoutException(cause);
        assertEquals("java.lang.RuntimeException: Root cause of timeout", exception.getMessage(),
                "Message should be derived from the cause");

        @Test
        @DisplayName("list with null root throws NullPointerException")
        void list_withNullRoot_throwsNpe() {
            // Intent: null root is invalid input
            assertThrows(NullPointerException.class, () -> SmbEnumerationUtil.list(null, "*", 0, null, null));
        }

        @Test
        @DisplayName("listFiles with null root throws NullPointerException")