assertEquals("concurrentRule", testRule.getRuleId());
        assertSame(processor, testRule.getResponseProcessor());
    }

    /**
     * Test rule chain with AbstractRule
     */
    public void test_ruleChain() {
        // Create chain of rules
        TestAbstractRule rule1 = new TestAbstractRule();
        rule1.crawlerContainer = container;
        rule1.setRuleId("rule1");

        assertEquals(threadCount * operationsPerThread, transformer.getGetDataCallCount());
    }

    /**
     * Test transformer chain
     */
    public void test_transformerChain() {
        // Create chain of transformers
        List<Transformer> transformerChain = new ArrayList<>();
        transformerChain.add(new TestTransformer("first"));

        Exception level1 = new IOException("Level 1", level2);
        CrawlerSystemException topLevel = new CrawlerSystemException("Top level", level1);

        // Verify chain
        assertSame(level1, topLevel.getCause());
        assertSame(level2, topLevel.getCause().getCause());
        assertSame(level3, topLevel.getCause().getCause().getCause());

            for (int j = i + 1; j < rules.size(); j++) {
                assertNotSame(rules.get(i).getRuleId(), rules.get(j).getRuleId());
            }
        }
    }

    /**
     * Test rule processor chain behavior
     */
    public void test_ruleProcessorChain() {
        final List<String> executionOrder = new ArrayList<>();

        // Create custom processor that tracks execution