tests/test.base64.js

   1 const expect = chai.expect;
   2
   3 import Base64 from '../core/base64.js';
   4
   5 describe('Base64 Tools', function() {
   6     "use strict";
   7
   8     const BIN_ARR = new Array(256);
   9     for (let i = 0; i < 256; i++) {
  10         BIN_ARR[i] = i;
  11     }
  12
  13     const B64_STR = "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6e3x9fn+AgYKDhIWGh4iJiouMjY6PkJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKztLW2t7i5uru8vb6/wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v8PHy8/T19vf4+fr7/P3+/w==";
  14
  15
  16     describe('encode', function() {
  17         it('should encode a binary string into Base64', function() {
  18             const encoded = Base64.encode(BIN_ARR);
  19             expect(encoded).to.equal(B64_STR);
  20         });
  21     });
  22
  23     describe('decode', function() {
  24         it('should decode a Base64 string into a normal string', function() {
  25             const decoded = Base64.decode(B64_STR);
  26             expect(decoded).to.deep.equal(BIN_ARR);
  27         });
  28
  29         it('should throw an error if we have extra characters at the end of the string', function() {
  30             expect(() => Base64.decode(B64_STR+'abcdef')).to.throw(Error);
  31         });
  32     });
  33 });