/**
 * @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';

/**
 * @fileoverview Base class for all aXe audits. Provides a consistent way to
 * generate audit results using aXe rule names.
 */

const Audit = require('../audit');
const Formatter = require('../../report/formatter');

class AxeAudit extends Audit {
  /**
   * @param {!Artifacts} artifacts Accessibility gatherer artifacts. Note that AxeAudit
   * expects the meta name for the class to match the rule id from aXe.
   * @return {!AuditResult}
   */
  static audit(artifacts) {
    const violations = artifacts.Accessibility.violations;
    const rule = violations.find(result => result.id === this.meta.name);

    let nodeDetails = [];
    if (rule && rule.nodes) {
      nodeDetails = rule.nodes.map(node => ({
        type: 'node',
        selector: node.target.join(' '),
        path: node.path,
        snippet: node.snippet
      }));
    }

    return {
      rawValue: typeof rule === 'undefined',
      extendedInfo: {
        formatter: Formatter.SUPPORTED_FORMATS.ACCESSIBILITY,
        value: rule
      },
      details: {
        type: 'list',
        header: {
          type: 'text',
          text: 'View failing elements'
        },
        items: nodeDetails
      }
    };
  }
}

module.exports = AxeAudit;

@@ -1395,16 +1395,45 @@
 elector:
+ Array.isArray(node.target) ?
  node.ta
@@ -1446,16 +1446,21 @@
 oin(' ')
+ : ''
 ,%0A      

fix failing a11y tests from 72b06e422869c62