So verspotten Sie eine Netconf-Sitzung beim Unit-Testen von Golang

func testmyfunction(t *testing.t) {
    getsshconnection = mockgetsshconnection
    got := myfunction()
    want := 123
    if !reflect.deepequal(got, want) {
        t.errorf("error expectation not met, want %v, got %v", want, got)
    }
}

func mockgetsshconnection() (*netconf.session, error) {
    var sess netconf.session
    sess.sessionid = 123
    return &sess, nil
}

func MyFunction() int {
    sess, err := getSSHConnection() // returns (*netconf.Session, error)
    if err == nil && sess != nil {
        defer sess.Close() -> Problem happens here
        // Calls RPC here and rest of the code here
        
    } 
    return 0
}

type MockTransport struct{}

func (t *MockTransport) Send([]byte) error {
    return nil
}

func (t *MockTransport) Receive() ([]byte, error) {
    return []byte{}, nil
}

func (t *MockTransport) Close() error {
    return nil
}

func (t *MockTransport) ReceiveHello() (*netconf.HelloMessage, error) {
    return &netconf.HelloMessage{SessionID: 123}, nil
}

func (t *MockTransport) SendHello(*netconf.HelloMessage) error {
    return nil
}

func (t *MockTransport) SetVersion(version string) {
}

func mockGetSSHConnection() (*netconf.Session, error) {
    t := MockTransport{}
    sess := netconf.NewSession(&t)
    return sess, nil
}