angular2/src/testing/perf_util.js

Angular 2 - a web framework for modern web apps

'use strict';"use strict";
var e2e_util_1 = require('./e2e_util');
exports.verifyNoBrowserErrors = e2e_util_1.verifyNoBrowserErrors;
var benchpress = global['benchpress'];
var bind = benchpress.bind;
var Options = benchpress.Options;
function runClickBenchmark(config) {
    browser.ignoreSynchronization = !config.waitForAngular2;
    var buttons = config.buttons.map(function (selector) { return $(selector); });
    config.work = function () { buttons.forEach(function (button) { button.click(); }); };
    return runBenchmark(config);
}
exports.runClickBenchmark = runClickBenchmark;
function runBenchmark(config) {
    return getScaleFactor(browser.params.benchmark.scaling)
        .then(function (scaleFactor) {
        var description = {};
        var urlParams = [];
        if (config.params) {
            config.params.forEach(function (param) {
                var name = param.name;
                var value = applyScaleFactor(param.value, scaleFactor, param.scale);
                urlParams.push(name + '=' + value);
                description[name] = value;
            });
        }
        var url = encodeURI(config.url + '?' + urlParams.join('&'));
        return browser.get(url).then(function () {
            return global['benchpressRunner'].sample({
                id: config.id,
                execute: config.work,
                prepare: config.prepare,
                microMetrics: config.microMetrics,
                bindings: [bind(Options.SAMPLE_DESCRIPTION).toValue(description)]
            });
        });
    });
}
exports.runBenchmark = runBenchmark;
function getScaleFactor(possibleScalings) {
    return browser.executeScript('return navigator.userAgent')
        .then(function (userAgent) {
        var scaleFactor = 1;
        possibleScalings.forEach(function (entry) {
            if (userAgent.match(entry.userAgent)) {
                scaleFactor = entry.value;
            }
        });
        return scaleFactor;
    });
}
function applyScaleFactor(value, scaleFactor, method) {
    if (method === 'log2') {
        return value + Math.log(scaleFactor) / Math.LN2;
    }
    else if (method === 'sqrt') {
        return value * Math.sqrt(scaleFactor);
    }
    else if (method === 'linear') {
        return value * scaleFactor;
    }
    else {
        return value;
    }
}
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