Utils-spec.ts

import { Utils } from 'Utils';

describe('Utils', () => {
  it('should stringify circular reference', () => {
    var afoo:any = {a: 'foo'};
    afoo.b = afoo;

    expect(Utils.stringify(afoo)).toBe('{"a":"foo"}');
    expect(Utils.stringify([{one: afoo, two: afoo}])).toBe('[{"one":{"a":"foo"}}]');
  });

  it('should stringify array', () => {
    var error = {
      "type": "error",
      "data": {
        "@error": {
          "type": "Error",
          "message": "string error message",
          "stack_trace": [
            {
              "name": "throwStringErrorImpl",
              "parameters": [],
              "file_name": "http://localhost/index.js",
              "line_number": 22,
              "column": 9
            },
            {
              "name": "throwStringError",
              "parameters": [],
              "file_name": "http://localhost/index.js",
              "line_number": 10,
              "column": 10
            }, {
              "name": "HTMLButtonElement.onclick",
              "parameters": [],
              "file_name": "http://localhost/",
              "line_number": 22,
              "column": 10
            }]
        }, "@submission_method": "onerror"
      }, "tags": []
    };

    expect(Utils.stringify(error)).toBe(JSON.stringify(error));
    expect(Utils.stringify([error, error])).toBe(JSON.stringify([error, error]));
  });

  it('should parse version from url', () => {
    expect(Utils.parseVersion('https://code.jquery.com/jquery-2.1.3.js')).toBe('2.1.3');
    expect(Utils.parseVersion('//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css')).toBe('3.3.4');
    expect(Utils.parseVersion('https://cdnjs.cloudflare.com/ajax/libs/1140/2.0/1140.css')).toBe('2.0');
    expect(Utils.parseVersion('https://cdnjs.cloudflare.com/ajax/libs/Base64/0.3.0/base64.min.js')).toBe('0.3.0');
    expect(Utils.parseVersion('https://cdnjs.cloudflare.com/ajax/libs/angular-google-maps/2.1.0-X.10/angular-google-maps.min.js')).toBe('2.1.0-X.10');
    expect(Utils.parseVersion('https://cdnjs.cloudflare.com/ajax/libs/swagger-ui/2.1.8-M1/swagger-ui.min.js')).toBe('2.1.8-M1');
    expect(Utils.parseVersion('https://cdnjs.cloudflare.com/BLAH/BLAH.min.js')).toBe(null);
  });
});