@Test
        @DisplayName("disconnect should succeed when connected")
        void shouldDisconnectWhenConnected() throws IOException {
            transport.setState(3); // Connected
            assertFalse(transport.disconnect(false));
            assertEquals(6, transport.state); // Should be disconnected
        }

        @Test
        @DisplayName("disconnect should force hard disconnect from run connected state")

import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Tree Disconnect request message.
 *
 * This command is used to disconnect from a previously
 * connected tree (shared resource).
 *
 * @author mbechler
 */
public class Smb2TreeDisconnectRequest extends ServerMessageBlock2Request<Smb2TreeDisconnectResponse> {

    /**
     * Creates a new SMB2 tree disconnect request to close a tree connection.
     *

import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Tree Disconnect response message.
 *
 * This response confirms that the tree connection
 * has been successfully disconnected.
 *
 * @author mbechler
 */
public class Smb2TreeDisconnectResponse extends ServerMessageBlock2Response {

    /**
     * Creates a new SMB2 tree disconnect response.
     *
     * @param config the CIFS configuration
     */

        return delegate.hasCapability(cap);
    }

    @Override
    public boolean isDisconnected() {
        return delegate.isDisconnected();
    }

    @Override
    public boolean disconnect(boolean hard, boolean inuse) throws IOException {
        synchronized (connectionLock) {
            if (rdmaConnection != null) {
                try {
                    rdmaConnection.close();

     */
    @Override
    public List<FileNotifyInformation> watch() throws CIFSException {
        if (!this.handle.isValid()) {
            throw new SmbException("Watch was broken by tree disconnect");
        }
        try (SmbTreeHandleImpl th = this.handle.getTree()) {

            CommonServerMessageBlockRequest req;
            NotifyResponse resp = null;
            if (th.isSMB2()) {

     * @param inuse whether the connection is currently in use
     * @return whether the connection was in use
     * @throws IOException if an I/O error occurs during disconnection
     */
    boolean disconnect(boolean hard, boolean inuse) throws IOException;

    /**
     * Ensures the transport is connected to the remote server.
     *
     * @return whether the transport was connected

 * It releases the tree ID and terminates access to the share.
 */
public class SmbComTreeDisconnect extends ServerMessageBlock {

    /**
     * Constructs a tree disconnect request to close a connection to a shared resource.
     *
     * @param config the configuration to use
     */
    public SmbComTreeDisconnect(final Configuration config) {
        super(config, SMB_COM_TREE_DISCONNECT);

        }
    }

    class MockHttpURLConnection extends HttpURLConnection {

        MockHttpURLConnection(URL u) {
            super(u);
        }

        @Override
        public void disconnect() {
            // Do Nothing
        }

        @Override
        public boolean usingProxy() {
            return false;
        }

        @Override
        public void connect() throws IOException {

                if (se.getNtStatus() == NtStatus.NT_STATUS_NETWORK_NAME_DELETED) {
                    /* Someone removed the share while we were
                     * connected. Bastards! Disconnect this tree
                     * so that it reconnects cleanly should the share
                     * reappear in this client's lifetime.
                     */
                    treeDisconnect(true);

Now, to be able to test that everything works, create a *path operation*:

{* ../../docs_src/custom_docs_ui/tutorial002.py hl[39:41] *}

### Test Static Files UI { #test-static-files-ui }

Now, you should be able to disconnect your WiFi, go to your docs at <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>, and reload the page.