preauthService.updatePreauthHash("non-existent", "test".getBytes());
        });
    }

    @Test
    @DisplayName("Test context invalidation")
    public void testContextInvalidation() throws CIFSException {
        String sessionId = "test-session-invalidation";
        byte[] salt = preauthService.generatePreauthSalt();

        case FILE_MODIFIED:
            // Remove from cache to force refresh
            entry.removeChild(childName);
            break;

        case DIRECTORY_RENAMED:
            // Full invalidation needed
            entry.invalidate();
            break;

        case ATTRIBUTES_CHANGED:
            // Remove from cache to force refresh
            entry.removeChild(childName);
            break;

        when(fh.acquire()).thenReturn(fh);
        when(fh.isValid()).thenReturn(true, false); // first true, then false

        handle.ensureOpen();
        assertTrue(handle.isOpen());

        // Simulate invalidation
        assertFalse(handle.isOpen(), "Becomes not open when underlying handle invalid");

        // After close, report stale
        handle.close();

                // Remove from cache to force refresh
                entry.removeChild(childName);
                break;
                
            case DIRECTORY_RENAMED:
                // Full invalidation needed
                entry.invalidate();
                break;
        }
    }
    
    public void handleDirectoryLeaseBreak(Smb2LeaseKey leaseKey, int newState) {

    /**
     * Directory cache timeout in milliseconds
     */
    protected long directoryCacheTimeout = 30000L;
    /**
     * Whether directory change notifications are enabled for cache invalidation
     */
    protected boolean directoryNotificationsEnabled = true;
    /**
     * Maximum number of cached directory entries
     */
    protected int maxDirectoryCacheEntries = 1000;

# Validation alias


@app.get("/required-validation-alias")
def read_required_validation_alias(
    p: Annotated[str, Header(validation_alias="p_val_alias")],
):
    return {"p": p}


class HeaderModelRequiredValidationAlias(BaseModel):
    p: str = Field(validation_alias="p_val_alias")


@app.get("/model-required-validation-alias")

@app.post(
    "/model-optional-list-validation-alias",
    operation_id="model_optional_list_validation_alias",
)
def read_model_optional_list_validation_alias(
    p: BodyModelOptionalListValidationAlias,
):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",
    ["/optional-list-validation-alias", "/model-optional-list-validation-alias"],
)

@app.post(
    "/model-required-validation-alias", operation_id="model_required_validation_alias"
)
def read_model_required_validation_alias(
    p: BodyModelRequiredValidationAlias,
):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",
    ["/required-validation-alias", "/model-required-validation-alias"],
)
def test_required_validation_alias_schema(path: str):

# Validation alias


@app.post("/optional-list-bytes-validation-alias")
def read_optional_list_bytes_validation_alias(
    p: Annotated[list[bytes] | None, File(validation_alias="p_val_alias")] = None,
):
    return {"file_size": [len(file) for file in p] if p else None}


@app.post("/optional-list-uploadfile-validation-alias")
def read_optional_list_uploadfile_validation_alias(

# Validation alias


@app.get("/required-validation-alias")
def read_required_validation_alias(
    p: Annotated[str, Query(validation_alias="p_val_alias")],
):
    return {"p": p}


class QueryModelRequiredValidationAlias(BaseModel):
    p: str = Field(validation_alias="p_val_alias")


@app.get("/model-required-validation-alias")