Disallow: /
Allow: /$
Allow: /index.html$
Allow: /public/

# Test priority rules (longer match wins)
User-agent: PriorityBot
Disallow: /store
Allow: /store/public
Disallow: /store/public/sale

# Test Allow vs Disallow with same length (Allow wins)
User-agent: SameLengthBot
Disallow: /page
Allow: /page

# Test multiple wildcards
User-agent: MultiWildcardBot
Disallow: /*.cgi*
Disallow: /*?*id=*

        assertFalse(robotsTxt.allows("/store", "PriorityBot"));
        assertFalse(robotsTxt.allows("/store/items", "PriorityBot"));
        assertTrue(robotsTxt.allows("/store/public", "PriorityBot")); // Allow is more specific
        assertTrue(robotsTxt.allows("/store/public/items", "PriorityBot"));
        assertFalse(robotsTxt.allows("/store/public/sale", "PriorityBot")); // Most specific disallow

 * that controls the interval between requests to the same host.
 * It uses a Guava Cache to store the last access time for each host.
 * The delayBeforeProcessing method is overridden to introduce a delay before processing a URL,
 * ensuring that requests to the same host are not made too frequently.
 * The delay is calculated based on the configured delayMillisBeforeProcessing parameter.

                final long numOfDeleted = searchEngineClient.deleteByQuery(index, queryBuilder);
                logger.info("[{}] Deleted {} stale documents.", dataConfig.getName(), numOfDeleted);
            } catch (final Exception e) {
                logger.error("[{}] Failed to delete stale documents.", dataConfig.getName(), e);
            }
        }

        /**
         * Checks if the crawling thread has finished execution.

    }

    /**
     * Test: Thread-safe listener invocation during connection
     * Verifies that listeners can be added while connect() is executing
     */
    @Test
    public void testConcurrentListenerInvocation() throws Exception {
        // This test verifies CopyOnWriteArrayList allows safe iteration
        assertTrue("OnConnectListener list should be thread-safe",

Execution context and configuration.

**Important Fields**:
```java
String sessionId                // Format: yyyyMMddHHmmssSSS
volatile CrawlerStatus status   // DONE, RUNNING
AtomicLong accessCount          // Thread-safe counter
int numOfThread = 10            // Crawler threads
int maxDepth = -1               // Max depth (-1 = unlimited)
long maxAccessCount = 0         // Max URLs (0 = unlimited)
```

        startLatch.countDown();

        // Wait for all threads to complete
        assertTrue("Threads did not complete in time", doneLatch.await(5, TimeUnit.SECONDS));

        // All threads should fail with the same IOException (project ID is blank)
        // But importantly, there should be no race condition errors
        assertEquals(threadCount, failureCount.get());
        assertEquals(0, successCount.get());

    }

    /**
     * Test isPathSafe with safe path
     *
     * @throws Exception
     */
    @Test
    public void testIsPathSafe_SafePath() throws Exception {
        final Path baseDir = tempFolder.getRoot().toPath();
        final Path safePath = baseDir.resolve("subdir/file.txt");

        assertTrue("Safe path should be allowed", FileUtil.isPathSafe(safePath, baseDir));
    }

    /**

    protected static final int DEFAULT_BUF_SIZE = 4096; // 4k

    /** Max Buffer Size */
    protected static final int MAX_BUF_SIZE = 10 * 1024 * 1024; // 10m

    /**
     * Validates that a given path is safe and does not attempt path traversal attacks.
     * <p>
     * This method checks if the resolved absolute path starts with the allowed base directory,

        // Mix of same and different hosts
        for (int i = 0; i < numTasks; i++) {
            final int index = i;
            tasks.add(new Callable<Integer>() {
                public Integer call() throws Exception {
                    final UrlQueue q = new UrlQueueImpl();
                    // Use modulo to create multiple accesses to same hosts