#!/usr/bin/env tsx
/**
* Test PDF Extraction - Validate MCP connection and PDF parsing
*/
import { PDFReader, parsePageContent } from '../src/extraction/pdf-reader.js';
import { PatternExtractor } from '../src/extraction/pattern-extractor.js';
import { resolve } from 'path';
async function main() {
console.log('PDF Extraction Test Suite');
console.log('=========================\n');
const pdfPath = resolve(process.cwd(), 'docs/Middle School By Topic NGSS.pdf');
console.log('PDF:', pdfPath);
const reader = new PDFReader();
const patternExtractor = new PatternExtractor();
try {
// Test 1: Extract first 3 pages
console.log('\n[Test 1] Extracting pages 1-3...');
const pages1to3 = await reader.extractPages(pdfPath, '1,2,3');
console.log('✅ Extraction successful');
console.log('Length:', pages1to3.length, 'characters');
console.log('First 200 chars:', pages1to3.substring(0, 200));
// Test 2: Parse page content
console.log('\n[Test 2] Parsing page content...');
const parsed = parsePageContent(pages1to3, '1,2,3');
console.log('✅ Parsed', parsed.length, 'pages');
for (const page of parsed) {
console.log(` Page ${page.pageNumber}: ${page.content.length} chars`);
}
// Test 3: Extract standard codes from first 10 pages
console.log('\n[Test 3] Extracting standard codes from pages 1-10...');
const codes = await patternExtractor.extractStandardCodes(pdfPath, '1-10');
console.log('✅ Found', codes.length, 'standard codes');
for (const code of codes.slice(0, 5)) {
console.log(` ${code.code} (page ${code.page})`);
console.log(` Context: ${code.context.substring(0, 80)}...`);
}
// Test 4: Check for malformed text
console.log('\n[Test 4] Quality check...');
const hasWeirdChars = /[\x00-\x08\x0B-\x0C\x0E-\x1F]/.test(pages1to3);
const hasNormalText = /[A-Za-z]{4,}/.test(pages1to3);
if (hasWeirdChars) {
console.log('⚠️ Warning: Found control characters in extracted text');
} else {
console.log('✅ No control characters');
}
if (hasNormalText) {
console.log('✅ Contains readable text');
} else {
console.log('❌ Text quality issue: No readable words found');
}
console.log('\n✅ All tests passed! PDF extraction is working correctly.');
} catch (error) {
console.error('\n❌ Test failed:', error);
process.exit(1);
} finally {
// Clean up
await reader.close();
console.log('\n🧹 Cleaned up MCP connection');
}
}
main().catch(console.error);
