(field, boost) -> QueryBuilders.matchQuery(field, "test text").boost(boost),
                (field, text, boost) -> QueryBuilders.matchQuery(field, text).boost(boost));

        // Should build default query
        assertNotNull(result);
        assertTrue(result instanceof DefaultQueryBuilder);
    }

    /**
     * Test convertWithFieldCheck() with search field.
     */
    @Test

        assertEquals("second line", callbackResults.get(1));

        String output = thread.getOutput();
        assertTrue(output.contains("integration test"));
        assertTrue(output.contains("second line"));
    }

    @Test
    public void test_defaultBufferSizeConstant() throws IOException {
        Process mockProcess = createMockProcess("test");

        // Test with system property that exists
        System.setProperty("test.property", "test.value");
        execJob.testAddSystemProperty(cmdList, "test.property", "default", null);
        assertEquals(1, cmdList.size());
        assertEquals("-Dtest.property=test.value", cmdList.get(0));

        // Test with append value
        cmdList.clear();

    }

    // Test command string construction edge cases
    @Test
    public void test_command_string_edge_cases() throws Exception {
        // Test with commands containing special characters
        final List<String> specialCommands = Arrays.asList("echo \"test with quotes\"", "echo 'test with single quotes'",
                "echo test with spaces", "echo test&with&ampersand", "echo test|with|pipe");

        assertEquals("^test.*", parser.appendFileterPath(new StringBuilder(), "^test"));
        assertEquals("^test$", parser.appendFileterPath(new StringBuilder(), "^test$"));
        assertEquals(".*test$", parser.appendFileterPath(new StringBuilder(), "test$"));
        assertEquals(".*test/\\E.*", parser.appendFileterPath(new StringBuilder(), "test/\\E"));

    }

    @Test
    public void test_wrapQuery_withLeadingWildcard() {
        assertEquals("*test*", service.callWrapQuery("*test"));
    }

    @Test
    public void test_wrapQuery_withTrailingWildcard() {
        assertEquals("*test*", service.callWrapQuery("test*"));
    }

    @Test
    public void test_wrapQuery_withBothWildcards() {

        } catch (final LlmException e) {
            caught = true;
            assertEquals("Test exception", e.getMessage());
        }
        assertTrue(caught);
    }

    @Test
    public void test_catchAsFessSystemException() {
        boolean caught = false;
        try {
            throw new LlmException("Test exception");
        } catch (final FessSystemException e) {

    }

    @Test
    public void test_unescape() throws Exception {
        // Test with escaped characters (backslash sequences)
        String content = "test\\t1\n" + // escaped tab sequence
                "test\\n2\n" + // escaped newline sequence
                "test3\n"; // no escape

        // Write content to test file
        writeTestFile(content);

        public String getEventType() {
            return "";
        }
    }

    // Test getId method
    @Test
    public void test_getId() {
        // Test normal ID
        TestSearchLogEvent event = new TestSearchLogEvent("test-id-123", 1L, "search");
        assertEquals("test-id-123", event.getId());

        // Test ID change
        event.setId("new-id-456");
        assertEquals("new-id-456", event.getId());

    @Test
    public void test_expiry_smallPositiveValue() {
        PurgeThumbnailJob result = purgeThumbnailJob.expiry(1L);

        // Test method chaining
        assertSame(purgeThumbnailJob, result);
        // Test value was set
        assertEquals(1L, purgeThumbnailJob.getExpiry());
    }

    // Test execute with successful purge (no files deleted)
    @Test