dataService.delete(sessionId);
        } finally {
            server.stop();
        }
    }

    public void test_execute_2instanceTx() throws Exception {
        final CrawlerWebServer server1 = new CrawlerWebServer(7070);
        server1.start();
        final CrawlerWebServer server2 = new CrawlerWebServer(7071);
        server2.start();

        final String url1 = "http://localhost:7070/";

            dataService.delete(sessionId);
        } finally {
            server.stop();
        }
    }

    public void test_execute_2instance() throws Exception {
        final CrawlerWebServer server1 = new CrawlerWebServer(7070);
        server1.start();
        final CrawlerWebServer server2 = new CrawlerWebServer(7071);
        server2.start();

        final String url1 = "http://localhost:7070/";

        // When
        SmbResource resource1 = context.get("smb://server1/share1/file1.txt");
        SmbResource resource2 = context.get("smb://server2/share2/file2.txt");
        SmbPipeResource pipe1 = context.getPipe("smb://server1/IPC$/pipe1", 1);
        SmbPipeResource pipe2 = context.getPipe("smb://server2/IPC$/pipe2", 2);

        // Then

        // When
        ServerData server1 = new ServerData();
        server1.oemDomainName = "SERVER1";
        ServerData server2 = new ServerData();
        server2.oemDomainName = "SERVER2";

        serverList.add(server1);
        serverList.add(server2);

        // Then
        assertEquals(2, serverList.size());
        assertEquals("SERVER1", serverList.get(0).oemDomainName);

        @ParameterizedTest
        @CsvSource({ "'\\server', 'server', '', ''", "'\\server\\share', 'server', 'share', ''",
                "'\\server\\share\\path', 'server', 'share', 'path'",
                "'\\server\\share\\path\\file.txt', 'server', 'share', 'path\\file.txt'",
                "'\\server.domain.com\\share\\deep\\path\\structure', 'server.domain.com', 'share', 'deep\\path\\structure'" })

        t1.numThreads = 2;
        t1.url = "smb://server1/share/file.txt";

        t2.numThreads = 5;
        t2.url = "smb://server2/share/file.txt";

        // Verify independence
        assertEquals(2, t1.numThreads, "t1 should have its own numThreads value");
        assertEquals(5, t2.numThreads, "t2 should have its own numThreads value");
        assertEquals("smb://server1/share/file.txt", t1.url, "t1 should have its own URL");

            dataService.delete(sessionId);
        } finally {
            server.stop();
        }
    }

    public void test_execute_2instance() throws Exception {
        final CrawlerWebServer server1 = new CrawlerWebServer(7070);
        server1.start();
        final CrawlerWebServer server2 = new CrawlerWebServer(7071);
        server2.start();

        final String url1 = "http://localhost:7070/";

        // Arrange: two valid entries
        setupParentForUrlCreation();
        StubFileEntry e1 = new StubFileEntry("SERVER1", SmbConstants.TYPE_SERVER);
        StubFileEntry e2 = new StubFileEntry("SERVER2", SmbConstants.TYPE_SERVER);
        when(delegate.hasNext()).thenReturn(true, true, false);
        when(delegate.next()).thenReturn(e1, e2);

    void testMultipleRegistrations() {
        // Register multiple witnesses
        String reg1 = mockService.registerWitness("\\\\server1\\share1", "192.168.1.100", 1);
        String reg2 = mockService.registerWitness("\\\\server2\\share2", "192.168.1.101", 1);
        String reg3 = mockService.registerWitness("\\\\server3\\share3", "192.168.1.102", 1);

        assertEquals(3, mockService.getRegistrationCount());

            bb.putShort((short) 22); // size
            bb.putShort((short) 2); // serverType
            bb.putShort((short) 4); // rflags
            // v1 node string follows
            bb.put("\\server2\0".getBytes(StandardCharsets.UTF_16LE));

            int bytesDecoded = buffer.decode(testBuffer, 0, testBuffer.length);

            assertEquals(50, bytesDecoded); // 8 header + 20 + 22 referrals