text: /**
   * @license
   * Copyright 2017 Google Inc. All rights reserved.
   *
   * 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';
  
  const Audit = require('../../../audits/accessibility/image-alt.js');
  const assert = require('assert');
  
  /* eslint-env mocha */
  
  describe('Accessibility: image-alt audit', () => {
    it('generates an audit output', () => {
      const artifacts = {
        Accessibility: {
          violations: [{
            id: 'image-alt',
            nodes: [],
            help: 'http://example.com/'
          }]
        }
      };
  
      const output = Audit.audit(artifacts);
      assert.equal(output.rawValue, false);
    });
  
    it('generates an audit output (single node)', () => {
      const artifacts = {
        Accessibility: {
          violations: [{
            id: 'image-alt',
            nodes: [{}],
            help: 'http://example.com/'
          }]
        }
      };
  
      const output = Audit.audit(artifacts);
      assert.equal(output.rawValue, false);
    });
  });
  