@devilsdev/rag-pipeline-utils/__tests__/unit/reranker/reranker.fallback.test.js

A modular toolkit for building RAG (Retrieval-Augmented Generation) pipelines in Node.js

/**
 * File: __tests__/unit/reranker/reranker.fallback.test.js
 * Version: 1.0.0
 * Description: Validates fallback handling for invalid LLM output
 * Author: @devilsdev
 */
import { LLMReranker } from '../../../src/reranker/llm-reranker.js';

test('gracefully handles invalid LLM output', async () => {
    const mockLLM = { async generate() { return 'INVALID_JSON'; } };
    const docs = [{ text: 'X' }, { text: 'Y' }, { text: 'Z' }];
    const reranker = new LLMReranker({ llm: mockLLM });
    const result = await reranker.rerank('Prompt?', docs);
    expect(result.map(d => d.text)).toEqual(['X', 'Y', 'Z']);
  });