# Probando WebSockets { #testing-websockets }

Puedes usar el mismo `TestClient` para probar WebSockets.

Para esto, usas el `TestClient` en un statement `with`, conectándote al WebSocket:

{* ../../docs_src/app_testing/tutorial002_py310.py hl[27:31] *}

/// note | Nota

Para más detalles, revisa la documentación de Starlette sobre [probar WebSockets](https://www.starlette.dev/testclient/#testing-websocket-sessions).

errors.login.failure = Login gagal.
errors.app.illegal.transition = Transisi tidak valid. Silakan coba lagi.
errors.app.db.already.deleted = Mungkin telah dihapus oleh proses lain. Silakan coba lagi.
errors.app.db.already.updated = Mungkin telah diperbarui oleh proses lain. Silakan coba lagi.
errors.app.db.already.exists = Data sudah ada. Silakan coba lagi.

        byte[] data = new byte[32]; // Dummy data
        // The test will likely fail with "Checksum failed" as the data is not properly encrypted
        // but it proves the decryption path is taken.
        assertThrows(GeneralSecurityException.class, () -> KerberosEncData.decrypt(data, key, KerberosConstants.RC4_ENC_TYPE));
    }

    /**
     * Test decrypt with DES encryption.

errors.login.failure = Logowanie nie powiodło się.
errors.app.illegal.transition = Nieprawidłowe przejście. Spróbuj ponownie.
errors.app.db.already.deleted = Mogło zostać już usunięte przez inny proces. Spróbuj ponownie.
errors.app.db.already.updated = Mogło zostać już zaktualizowane przez inny proces. Spróbuj ponownie.
errors.app.db.already.exists = Dane już istnieją. Spróbuj ponownie.
errors.app.double.submit.request = To żądanie mogło zostać już przetworzone. Spróbuj ponownie.

        problem = new DefaultProblem(null, null, "", -1, -1, null);
        assertEquals("", problem.getSource());

        problem = new DefaultProblem(null, null, "SOURCE", -1, -1, null);
        assertEquals("SOURCE", problem.getSource());
    }

    @Test
    void testGetLocation() {
        DefaultProblem problem = new DefaultProblem(null, null, null, -1, -1, null);
        assertEquals("", problem.getLocation());

     */
    Exception getException();

    /**
     * Gets the message that describes this problem.
     *
     * @return The message describing this problem, never {@code null}.
     */
    String getMessage();

    /**
     * Gets the severity level of this problem.
     *
     * @return The severity level of this problem, never {@code null}.
     */

/**
 * Describes a problem that was encountered during project building. A problem can either be an exception that was
 * thrown or a simple string message. In addition, a problem carries a hint about its source.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface BuilderProblem {

    /**

Swagger UI lo manejará detrás de escena para ti, pero necesita este auxiliar de "redirección".

///

### Crea una *path operation* para probar archivos estáticos { #create-a-path-operation-to-test-static-files }

Ahora, para poder probar que todo funciona, crea una *path operation*:

{* ../../docs_src/custom_docs_ui/tutorial002_py310.py hl[39:41] *}

    /**
     * Reports a problem: always maintains the counters, but whether problem is preserved in memory, depends on
     * implementation and its configuration.
     *
     * @param problem the problem to report
     * @return {@code true} if passed problem is preserved by this call.
     */
    boolean reportProblem(P problem);

    /**

     */
    Exception getException();

    /**
     * Gets the message that describes this problem.
     *
     * @return The message describing this problem, never {@code null}.
     */
    String getMessage();

    /**
     * Gets the severity level of this problem.
     *
     * @return The severity level of this problem, never {@code null}.
     */