text: /* 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.
   */
  
  import { DOMSVGFactory, getFilenameFromUrl } from '../../src/display/dom_utils';
  import isNodeJS from '../../src/shared/is_node';
  
  describe('dom_utils', function() {
    describe('DOMSVGFactory', function() {
      let svgFactory;
  
      beforeAll(function (done) {
        svgFactory = new DOMSVGFactory();
        done();
      });
  
      afterAll(function () {
        svgFactory = null;
      });
  
      it('`create` should throw an error if the dimensions are invalid',
          function() {
        // Invalid width.
        expect(function() {
          return svgFactory.create(-1, 0);
        }).toThrow(new Error('Invalid SVG dimensions'));
  
        // Invalid height.
        expect(function() {
          return svgFactory.create(0, -1);
        }).toThrow(new Error('Invalid SVG dimensions'));
      });
  
      it('`create` should return an SVG element if the dimensions are valid',
          function() {
        if (isNodeJS()) {
          pending('Document is not supported in Node.js.');
        }
  
        let svg = svgFactory.create(20, 40);
  
        expect(svg instanceof SVGSVGElement).toBe(true);
        expect(svg.getAttribute('version')).toBe('1.1');
        expect(svg.getAttribute('width')).toBe('20px');
        expect(svg.getAttribute('height')).toBe('40px');
        expect(svg.getAttribute('preserveAspectRatio')).toBe('none');
        expect(svg.getAttribute('viewBox')).toBe('0 0 20 40');
      });
  
      it('`createElement` should throw an error if the type is not a string',
          function() {
        expect(function() {
          return svgFactory.createElement(true);
        }).toThrow(new Error('Invalid SVG element type'));
      });
  
      it('`createElement` should return an SVG element if the type is valid',
          function() {
        if (isNodeJS()) {
          pending('Document is not supported in Node.js.');
        }
  
        let svg = svgFactory.createElement('svg:rect');
  
        expect(svg instanceof SVGRectElement).toBe(true);
      });
    });
  
    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);
      });
    });
  });
  