/**
* @license
* Copyright 2016 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('./audit');
const Formatter = require('../formatters/formatter');
class Screenshots extends Audit {
/**
* @return {!AuditMeta}
*/
static get meta() {
return {
category: 'Performance',
name: 'screenshots',
description: 'Screenshots of all captured frames',
requiredArtifacts: ['ScreenshotFilmstrip']
};
}
/**
* @param {!Artifacts} artifacts
* @return {!AuditResultInput}
*/
static audit(artifacts) {
const screenshots = artifacts.ScreenshotFilmstrip;
if (typeof screenshots === 'undefined') {
return Screenshots.generateAuditResult({
value: -1,
debugString: 'No screenshot artifact'
});
}
return Screenshots.generateAuditResult({
value: screenshots.length || 0,
extendedInfo: {
formatter: Formatter.SUPPORTED_FORMATS.NULL,
value: screenshots
}
});
}
}
module.exports = Screenshots;
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