SmbTransport.ServerData serverData = mockTransport.new ServerData();
        serverData.security = ServerMessageBlock.SECURITY_USER;
        serverData.encryptedPasswords = true;
        serverData.encryptionKey = new byte[8];

        // Configure mock transport
        mockTransport.server = serverData;
        mockTransport.sessionKey = 0x12345678;

        Mockito.when(mockTransport.acquire()).thenReturn(mockTransport);
    }

    /**
     * Test basic session lifecycle management
     */
    @Test
    @Timeout(5)
    public void testSessionLifecycle() throws Exception {
        SmbSessionImpl session = new SmbSessionImpl(mockContext, "testhost", "testdomain", mockTransport);

    private CIFSContext mockContext;
    private SmbTransportImpl mockTransport;
    private Configuration mockConfig;
    private Credentials mockCredentials;
    private CredentialsInternal mockCredentialsInternal;

    @BeforeEach
    public void setUp() {
        mockContext = Mockito.mock(CIFSContext.class);
        mockTransport = Mockito.mock(SmbTransportImpl.class);

    @Mock
    private CIFSContext mockContext;

    @Mock
    private Configuration mockConfig;

    @Mock
    private SmbSession mockSession;

    @Mock
    private SmbTransport mockTransport;

    @Mock
    private CommonServerMessageBlock mockMessage;

    private ChannelManager channelManager;

    @BeforeEach
    void setUp() {
        when(mockContext.getConfig()).thenReturn(mockConfig);

        when(mockTransport.getContext()).thenReturn(mockContext);
        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockConfig.getLanManCompatibility()).thenReturn(3);
        when(mockTransport.getServerEncryptionKey()).thenThrow(new RuntimeException("Test exception"));

        assertThrows(SmbException.class, () -> new SMB1SigningDigest(mockTransport, mockAuth));
    }

    @Test

        when(mockTransportPool.getSmbTransport(any(), anyString(), anyInt(), anyBoolean(), anyBoolean())).thenReturn(mockTransport);
        when(mockTransport.unwrap(any())).thenReturn(mockTransport);
        when(mockTransport.getDfsReferrals(any(), anyString(), anyString(), anyString(), anyInt())).thenReturn(null);
        assertNull(dfsResolver.getDc(mockContext, "anyDomain"));
    }

        SmbTransportImpl mockTransport = mock(SmbTransportImpl.class);
        SmbTransportInternal internal = mock(SmbTransportInternal.class);

        when(mockTransport.unwrap(SmbTransportInternal.class)).thenReturn(internal);
        when(internal.ensureConnected()).thenThrow(new IOException("Connection failed"));

        remoteInterface = new NetworkInterfaceInfo(remoteAddr, 1000);

        channelInfo = new ChannelInfo("test-channel", mockTransport, localInterface, remoteInterface);
    }

    @Test
    void testConstructor() {
        assertEquals("test-channel", channelInfo.getChannelId());
        assertEquals(mockTransport, channelInfo.getTransport());
        assertEquals(localInterface, channelInfo.getLocalInterface());

        ChannelInfo channel = new ChannelInfo("test-channel", mockTransport, localNic, remoteNic);
        channel.setState(ChannelState.ESTABLISHED);

        // Verify channel properties
        assertEquals("test-channel", channel.getChannelId());
        assertEquals(mockTransport, channel.getTransport());
        assertEquals(localNic, channel.getLocalInterface());

class ChannelFailoverTest {

    @Mock
    private ChannelManager mockChannelManager;

    @Mock
    private ChannelLoadBalancer mockLoadBalancer;

    @Mock
    private SmbTransport mockTransport;

    @Mock
    private SmbTransport mockNewTransport;

    @Mock
    private CommonServerMessageBlock mockOperation;

    private ChannelFailover failover;
    private ChannelInfo failedChannel;