import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Credentials;

/**
 * Security-focused test cases for SmbSessionImpl to verify race condition fixes.
 */
public class SmbSessionImplSecurityTest {

    private CIFSContext mockContext;
    private SmbTransportImpl mockTransport;
    private Configuration mockConfig;

        NdrSmall ndrSmall = new NdrSmall(0);

        // Call the decode method
        ndrSmall.decode(mockNdrBuffer);

        // Verify that dec_ndr_small was called
        verify(mockNdrBuffer, times(1)).dec_ndr_small();
        // Verify that the value field was updated correctly
        assertEquals(decodedValue, ndrSmall.value, "Value should be updated after decoding.");

And your users would be able to login from your Django app or from your **FastAPI** app, at the same time.

///

## Hash and verify the passwords { #hash-and-verify-the-passwords }

Import the tools we need from `passlib`.

Create a PassLib "context". This is what will be used to hash and verify passwords.

/// tip

        // Verify bytes written
        assertEquals(8, bytesWritten);

        // Verify FID (2 bytes)
        assertEquals(fid, SMBUtil.readInt2(dst, dstIndex));

        // Verify reserved bytes (2 bytes at positions 2-3)
        assertEquals(0x00, dst[dstIndex + 2]);
        assertEquals(0x00, dst[dstIndex + 3]);

        // Verify security information (4 bytes)

        int bytesConsumed = response.decode(buffer, 0, 28);

        // Verify
        assertEquals(28, bytesConsumed, "Should consume exactly 28 bytes");

        byte[] resumeKey = response.getResumeKey();
        assertNotNull(resumeKey, "Resume key should not be null");
        assertEquals(24, resumeKey.length, "Resume key should be 24 bytes");

        // Verify resume key content
        for (int i = 0; i < 24; i++) {

        // Verify search attributes (masked with 0x37)
        assertEquals(0x37, SMBUtil.readInt2(buffer, 0));

        // Verify max items
        assertEquals(100, SMBUtil.readInt2(buffer, 2));

        // Verify flags (should be 0x00)
        assertEquals(0x00, SMBUtil.readInt2(buffer, 4));

        // Verify information level (SMB_FILE_BOTH_DIRECTORY_INFO)

    public void test_allMethodsReturnExpectedValues() {
        // Comprehensive test to verify all methods return expected values
        FessJsonResourceProvider testProvider = new FessJsonResourceProvider();

        // Verify nulls suppression is enabled
        assertTrue("Nulls should be suppressed", testProvider.isNullsSuppressed());

        // Verify pretty print is enabled

        // Assert: delegate interactions occur when usage transitions happen
        verify(delegate, times(1)).acquire();
        verify(delegate, times(1)).release();
    }

    @Test
    @DisplayName("finalize() invokes checkRelease exactly once")
    void finalize_invokes_checkRelease() throws Throwable {
        // Arrange: spy to verify internal interaction with checkRelease()
        CIFSContext ctx = mock(CIFSContext.class);

            ace.getAccessMask();

            // Different methods called
            ace.isAllow();
            ace.getFlags();

            verify(ace, times(2)).getAccessMask();
            verify(ace, times(1)).isAllow();
            verify(ace, times(1)).getFlags();
        }
    }

    @Nested
    @DisplayName("Real-world Usage Scenarios")
    class RealWorldUsageTests {

        @Test

        try {
            ThreadDumpUtil.writeThreadDump(tempFile.toString());

            // Verify the file was created and contains content
            assertTrue("Thread dump file should exist", Files.exists(tempFile));
            assertTrue("Thread dump file should not be empty", Files.size(tempFile) > 0);

            // Verify the content contains thread information