import org.junit.jupiter.api.Test;

/**
 * Edge case tests for RankFusionProcessor.
 * Tests boundary conditions, empty states, and error scenarios.
 */
public class RankFusionProcessorEdgeCaseTest extends UnitFessTestCase {

    private static final String ID_FIELD = "_id";

    /**
     * Test behavior when no searchers are registered (empty list).
     */
    @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
    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() {

        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"));

        } 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) {

        value = "${\\$}";
        assertEquals(value, ResourceUtil.resolve(value));

        System.setProperty("test.dir", "c:\\test1\\test2");

        value = "${test.dir}";
        assertEquals("c:\\test1\\test2", ResourceUtil.resolve(value));

    }

    @Test
    public void test_getAppType() {
        // Test default empty when no env var is set
        String originalAppType = System.getenv("FESS_APP_TYPE");

        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

    }

    @Test
    public void test_serialization() {
        // Test serialVersionUID exists
        ResultOffsetExceededException exception = new ResultOffsetExceededException("Test serialization");

        // The exception should be serializable since it extends RuntimeException
        assertTrue(exception instanceof java.io.Serializable);
    }

    @Test
    public void test_stackTrace() {

    }

    // Test annotation retention policy
    @Test
    public void test_annotationRetention() {
        java.lang.annotation.Retention retention = CronExpression.class.getAnnotation(java.lang.annotation.Retention.class);
        assertNotNull(retention);
        assertEquals(java.lang.annotation.RetentionPolicy.RUNTIME, retention.value());
    }

    // Test annotation is documented
    @Test