test.base64.js 1.2 KB

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