angular-cn/modules/angular2/e2e_test/perf_util.es6

67 lines
1.8 KiB
JavaScript

var testUtil = require('./test_util');
var benchpress = require('benchpress/benchpress');
module.exports = {
runClickBenchmark: runClickBenchmark,
runBenchmark: runBenchmark,
verifyNoBrowserErrors: testUtil.verifyNoBrowserErrors
};
function runClickBenchmark(config) {
var buttons = config.buttons.map(function(selector) {
return $(selector);
});
config.work = function() {
buttons.forEach(function(button) {
button.click();
});
}
return runBenchmark(config);
}
function runBenchmark(config) {
return getScaleFactor(browser.params.benchmark.scaling).then(function(scaleFactor) {
var description = {};
var urlParams = [];
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('&'));
browser.get(url);
return benchpressRunner.sample({
id: config.id,
execute: config.work,
prepare: config.prepare,
bindings: [
benchpress.bind(benchpress.Options.SAMPLE_DESCRIPTION).toValue(description)
]
});
});
}
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.log2(scaleFactor);
} else if (method === 'sqrt') {
return value * Math.sqrt(scaleFactor);
} else if (method === 'linear') {
return value * scaleFactor;
} else {
return value;
}
}