{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[21:22] hl[21:22] *}

### Eine Session-Abhängigkeit erstellen { #create-a-session-dependency }

Eine <abbr title="Sitzung">**`Session`**</abbr> speichert die **Objekte im Speicher** und verfolgt alle Änderungen, die an den Daten vorgenommen werden müssen, dann **verwendet sie die `engine`**, um mit der Datenbank zu kommunizieren.

    /**
     * Channel binding is required
     */
    public static final int CHANNEL_BINDING_REQUIRED = 2;

    /**
     * Default maximum number of channels per session
     */
    public static final int DEFAULT_MAX_CHANNELS = 4;

    /**
     * Absolute maximum number of channels supported
     */
    public static final int ABSOLUTE_MAX_CHANNELS = 32;

    /**

                messageBuilderFactory);
    }

    @Override
    public void execute(MavenSession session, List<MojoExecution> mojoExecutions) throws LifecycleExecutionException {
        executions.addAll(mojoExecutions);
    }

    @Override
    public List<MavenProject> executeForkedExecutions(MojoExecution mojoExecution, MavenSession session)
            throws LifecycleExecutionException {
        return null;
    }

     * @throws CIFSException if authentication fails
     */
    byte[] authenticate(CIFSContext context, byte[] challenge) throws CIFSException;

    /**
     * Gets the session key after successful authentication
     *
     * @return the session key or null if not available
     */
    byte[] getSessionKey();

    /**
     * Gets the signing key for SMB2/3
     *
     * @return the signing key or null if not available

    /**
     * Constructs an NbtSocket and connects it to the specified NetBIOS address and port.
     *
     * @param address the NetBIOS address to connect to
     * @param port the port number, or 0 for the default NetBIOS session service port
     * @throws IOException if an I/O error occurs while creating the socket
     */
    public NbtSocket(final NbtAddress address, final int port) throws IOException {
        this(address, port, null, 0);
    }

	}
}

func TestGORMValuer(t *testing.T) {
	type UserWithPoint struct {
		Name  string
		Point Point
	}

	dryRunDB := DB.Session(&gorm.Session{DryRun: true})

	stmt := dryRunDB.Create(&UserWithPoint{
		Name:  "jinzhu",
		Point: Point{X: 100, Y: 100},
	}).Statement

	if stmt.SQL.String() == "" || len(stmt.Vars) != 2 {

						return err
					}
				default:
					return gorm.ErrInvalidData
				}
			} else {
				tx := db.Table("").Session(&gorm.Session{Context: db.Statement.Context, SkipHooks: db.Statement.SkipHooks})
				tx.Statement.ReflectValue = db.Statement.ReflectValue
				tx.Statement.Unscoped = db.Statement.Unscoped

    }

    @Test
    void specials() {
        InvokerRequest invokerRequest = subject.parseInvocation(ParserRequest.mvn(
                        Arrays.asList("-Dfoo=${session.rootDirectory}", "-X"), mock(MessageBuilderFactory.class))
                .cwd(Path.of(System.getProperty("userDir")))
                .userHome(Path.of(System.getProperty("userHome")))
                .build());

为此，要在 `with` 语句中使用 `TestClient` 连接 WebSocket。

{* ../../docs_src/app_testing/tutorial002.py hl[27:31] *}

/// note | 笔记

更多细节详见 <a href="https://www.starlette.dev/testclient/#testing-websocket-sessions" class="external-link" target="_blank">Starlette 官档 - 测试 WebSockets</a>。

{* ../../docs_src/app_testing/tutorial002_py39.py hl[27:31] *}

/// note

For more details, check Starlette's documentation for <a href="https://www.starlette.dev/testclient/#testing-websocket-sessions" class="external-link" target="_blank">testing WebSockets</a>.