/*
 * archive-test.js
 *
 * Licensed under the MIT License
 *
 * Copyright(c) 2017 Google Inc.
 */

import { getUnarchiver, UnarchiveEventType } from '../archive/archive.js';
import { assertEquals, runTests } from './muther.js';

const testInputs = {
  'testUnzipDeflate': 'archive-testfiles/test-unzip-deflate.json',
  'testUnzipDescriptor': 'archive-testfiles/test-unzip-descriptor.json',
  'testUnzipStore': 'archive-testfiles/test-unzip-store.json',
  'testUnrarM1': 'archive-testfiles/test-unrar-m1.json',
  'testUnrarM2': 'archive-testfiles/test-unrar-m2.json',
  'testUnrarM3': 'archive-testfiles/test-unrar-m3.json',
  'testUnrarM4': 'archive-testfiles/test-unrar-m4.json',
  'testUnrarM5': 'archive-testfiles/test-unrar-m5.json',
  'testUnrarMA4': 'archive-testfiles/test-unrar-ma4.json',
  // On a Mac, tar files contain hidden files.  To disable this do:
  // $ COPYFILE_DISABLE=1 tar cvf lorem.tar lorem.txt
  'testUntar': 'archive-testfiles/test-untar-1.json',
};

// TODO: It is an error for the Unarchiver worker not to terminate or send a FINISH event.
// We need to be able to test that here.

const testSuite = { tests: {} };
for (let testName in testInputs) {
  const testInputFilename = testInputs[testName];
  testSuite.tests[testName] = function () {
    return new Promise((resolve, reject) => {
      const scriptEl = document.createElement('script');
      scriptEl.setAttribute('src', testInputFilename);
      scriptEl.addEventListener('load', evt => {
        const testFile = window.archiveTestFile;
        try {
          const archivedFile = new Uint8Array(
            atob(testFile.archivedFile).split(',').map(str => parseInt(str)));
          const unarchivedFile = new Uint8Array(
            atob(testFile.unarchivedFile).split(',').map(str => parseInt(str)));
          const unarchiver = getUnarchiver(archivedFile.buffer, {
            pathToBitJS: '../',
          });
          unarchiver.addEventListener(UnarchiveEventType.EXTRACT, evt => {
            const theUnarchivedFile = evt.unarchivedFile.fileData;
            try {
              assertEquals(theUnarchivedFile.length, unarchivedFile.length,
                'The unarchived buffer was not the right length');
              for (let i = 0; i < theUnarchivedFile.length; ++i) {
                assertEquals(theUnarchivedFile[i], unarchivedFile[i],
                  'Byte #' + i + ' did not match');
              }
              resolve();
            } catch (err) {
              reject(err);
            }
          });
          unarchiver.start();
        } catch (err) {
          reject(err);
        }
      });
      document.body.appendChild(scriptEl);
    });
  }
}

runTests(testSuite);