pdfkit/tests/unit/annotations.spec.js

import PDFDocument from '../../lib/document';
import PDFSecurity from '../../lib/security';
import { logData } from './helpers';

// manual mock for PDFSecurity to ensure stored id will be the same accross different systems
PDFSecurity.generateFileID = () => {
  return new Buffer('mocked-pdf-id');
};

describe('Annotations', () => {
  let document;

  beforeEach(() => {
    document = new PDFDocument({
      info: { CreationDate: new Date(Date.UTC(2018, 1, 1)) }
    });
  });

  describe('link', () => {
    test('using page index', () => {
      document.addPage();

      const docData = logData(document);

      document.text('Go To First Page', { link: 0 });

      expect(docData).toContainChunk([
        `11 0 obj`,
        `<<
/S /GoTo
/D [7 0 R /XYZ null null null]
>>`
      ]);
    });
  });
});