old_contents: var fs = require('fs');
  var path = require('path');
  var assert = require('assert');
  
  var summary = require('../').parse.summary;
  
  
  var CONTENT = fs.readFileSync(path.join(__dirname, './fixtures/SUMMARY.md'), 'utf8');
  var LEXED = summary(CONTENT);
  
  
  describe('Summary parsing', function () {
      console.log(LEXED);
  
      it('should detect chapters', function() {
          assert.equal(LEXED.chapters.length, 5);
      });
  
      it('should support articles', function() {
          assert.equal(LEXED.chapters[0].articles.length, 2);
          assert.equal(LEXED.chapters[1].articles.length, 0);
          assert.equal(LEXED.chapters[2].articles.length, 0);
      });
  
      it('should detect paths and titles', function() {
          assert(LEXED.chapters[0].path);
          assert(LEXED.chapters[1].path);
          assert(LEXED.chapters[2].path);
          assert(LEXED.chapters[3].path);
          assert.equal(LEXED.chapters[4].path, null);
  
          assert(LEXED.chapters[0].title);
          assert(LEXED.chapters[1].title);
          assert(LEXED.chapters[2].title);
          assert(LEXED.chapters[3].title);
          assert(LEXED.chapters[4].title);
      });
  
      it('should normalize paths from .md to .html', function() {
          assert.equal(LEXED.chapters[0].path,'chapter-1/README.md');
          assert.equal(LEXED.chapters[1].path,'chapter-2/README.md');
          assert.equal(LEXED.chapters[2].path,'chapter-3/README.md');
      });
  
      it('should detect levels correctly', function() {
          var c = LEXED.chapters;
  
          assert.equal(c[0].level, '1');
          assert.equal(c[1].level, '2');
          assert.equal(c[2].level, '3');
  
          assert.equal(c[0].articles[0].level, '1.1');
          assert.equal(c[0].articles[1].level, '1.2');
      });
  });
  
new_contents: var fs = require('fs');
  var path = require('path');
  var assert = require('assert');
  
  var summary = require('../').parse.summary;
  
  
  var CONTENT = fs.readFileSync(path.join(__dirname, './fixtures/SUMMARY.md'), 'utf8');
  var LEXED = summary(CONTENT);
  
  
  describe('Summary parsing', function () {
  
      it('should detect chapters', function() {
          assert.equal(LEXED.chapters.length, 5);
      });
  
      it('should support articles', function() {
          assert.equal(LEXED.chapters[0].articles.length, 2);
          assert.equal(LEXED.chapters[1].articles.length, 0);
          assert.equal(LEXED.chapters[2].articles.length, 0);
      });
  
      it('should detect paths and titles', function() {
          assert(LEXED.chapters[0].path);
          assert(LEXED.chapters[1].path);
          assert(LEXED.chapters[2].path);
          assert(LEXED.chapters[3].path);
          assert.equal(LEXED.chapters[4].path, null);
  
          assert(LEXED.chapters[0].title);
          assert(LEXED.chapters[1].title);
          assert(LEXED.chapters[2].title);
          assert(LEXED.chapters[3].title);
          assert(LEXED.chapters[4].title);
      });
  
      it('should normalize paths from .md to .html', function() {
          assert.equal(LEXED.chapters[0].path,'chapter-1/README.md');
          assert.equal(LEXED.chapters[1].path,'chapter-2/README.md');
          assert.equal(LEXED.chapters[2].path,'chapter-3/README.md');
      });
  
      it('should detect levels correctly', function() {
          var c = LEXED.chapters;
  
          assert.equal(c[0].level, '1');
          assert.equal(c[1].level, '2');
          assert.equal(c[2].level, '3');
  
          assert.equal(c[0].articles[0].level, '1.1');
          assert.equal(c[0].articles[1].level, '1.2');
      });
  });
  
subject: Remove useless console.log in test/summary.js