final ChatMessage assistantMessage = new ChatMessage(ChatMessage.ROLE_ASSISTANT, "test");
        final ChatMessage unknownMessage = new ChatMessage("unknown", "test");

        assertTrue(userMessage.isUser());
        assertFalse(assistantMessage.isUser());
        assertFalse(unknownMessage.isUser());
    }

    @Test
    public void test_isAssistant() {

   `keytool -export -alias test-node -keystore test-node.jks -storepass keypass -file test-node.crt`
4. Import the node certificate in the client's keystore:
   `keytool -import -alias test-node -keystore test-client.jks -storepass keypass -file test-node.crt -noprompt`
5. Export the client's certificate:
   `keytool -export -alias test-client -keystore test-client.jks -storepass keypass -file test-client.crt`

package org.codelibs.fess.exception;

import org.codelibs.fess.unit.UnitFessTestCase;
import org.junit.jupiter.api.Test;

public class ScheduledJobExceptionTest extends UnitFessTestCase {

    @Test
    public void test_constructorWithMessage() {
        // Test constructor with message only
        String message = "Test scheduled job error";
        ScheduledJobException exception = new ScheduledJobException(message);

        }
    }

    @Test
    public void test_stackTrace() {
        // Test that stack trace is properly set
        PluginException exception = new PluginException("Stack trace test");

        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Verify that the first stack trace element is from this test method

		{"test-getobjectinfo", "", ObjectInfo{}, ObjectNameInvalid{Bucket: "test-getobjectinfo", Object: ""}, false},
		{"test-getobjectinfo", "", ObjectInfo{}, ObjectNameInvalid{Bucket: "test-getobjectinfo", Object: ""}, false},
		// Test cases with non-existing object name with existing bucket (Test number 9-11).
		{"test-getobjectinfo", "Africa", ObjectInfo{}, ObjectNotFound{Bucket: "test-getobjectinfo", Object: "Africa"}, false},

import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import org.codelibs.fess.unit.UnitFessTestCase;
import org.junit.jupiter.api.Test;

public class DictionaryExpiredExceptionTest extends UnitFessTestCase {

    @Test
    public void test_constructor() {
        // Test default constructor
        DictionaryExpiredException exception = new DictionaryExpiredException();
        assertNotNull(exception);

        assertEquals("org.codelibs.fess.test", events.get(0).getLoggerName());
        assertEquals("test error message", events.get(0).getMessage());
        assertNull(events.get(0).getThrowable());
    }

    @Test
    public void test_append_warnEvent_withErrorLevel() {
        final LogEvent event = createLogEvent(Level.WARN, "org.codelibs.fess.test", "test warn message");
        appender.append(event);

        StackTraceElement firstElement = stackTrace[0];
        assertEquals("test_stackTrace", firstElement.getMethodName());
        assertEquals(this.getClass().getName(), firstElement.getClassName());
    }

    @Test
    public void test_serialization() {
        // Test that the exception is serializable
        String message = "Serialization test";

        // Test with spaces
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, "\\\\server\\my share\\file.txt"));

        // Test with special characters
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, "\\\\server\\share\\file$name.txt"));
    }

    @Test
    @DisplayName("Test buffer boundary conditions")
    void testBufferBoundaryConditions() {
        // Given

        assertEquals(Method.DELETE, Curl.delete("http://test.com").method());
        assertEquals(Method.HEAD, Curl.head("http://test.com").method());
        assertEquals(Method.OPTIONS, Curl.options("http://test.com").method());
        assertEquals(Method.CONNECT, Curl.connect("http://test.com").method());
    }

    @Test
    public void test_FactoryMethodsWithDifferentUrls() {
        // ## Test factory methods with various URL formats ##