pdfjs-dist/lib/test/unit/dom_utils_spec.js

/* Copyright 2017 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict';
var displayDOMUtils = require('../../display/dom_utils.js');
var displayGlobal = require('../../display/global.js');
var PDFJS = displayGlobal.PDFJS;
var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
var LinkTarget = displayDOMUtils.LinkTarget;
var isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet;
describe('dom_utils', function () {
 describe('getFilenameFromUrl', function () {
  it('should get the filename from an absolute URL', function () {
   var url = 'http://server.org/filename.pdf';
   var result = getFilenameFromUrl(url);
   var expected = 'filename.pdf';
   expect(result).toEqual(expected);
  });
  it('should get the filename from a relative URL', function () {
   var url = '../../filename.pdf';
   var result = getFilenameFromUrl(url);
   var expected = 'filename.pdf';
   expect(result).toEqual(expected);
  });
 });
 describe('isExternalLinkTargetSet', function () {
  var savedExternalLinkTarget;
  beforeAll(function (done) {
   savedExternalLinkTarget = PDFJS.externalLinkTarget;
   done();
  });
  afterAll(function () {
   PDFJS.externalLinkTarget = savedExternalLinkTarget;
  });
  it('handles the predefined LinkTargets', function () {
   for (var key in LinkTarget) {
    var linkTarget = LinkTarget[key];
    PDFJS.externalLinkTarget = linkTarget;
    expect(isExternalLinkTargetSet()).toEqual(!!linkTarget);
   }
  });
  it('handles incorrect LinkTargets', function () {
   var targets = [
    true,
    '',
    false,
    -1,
    '_blank',
    null
   ];
   for (var i = 0, ii = targets.length; i < ii; i++) {
    var linkTarget = targets[i];
    PDFJS.externalLinkTarget = linkTarget;
    expect(isExternalLinkTargetSet()).toEqual(false);
   }
  });
 });
});