How to use speculative_headers method in wpt

Best JavaScript code snippet using wpt

speculative-parsing-util.js

Source:speculative-parsing-util.js

1function expect_fetched_onload(uuid, expectation) {2  return new Promise(resolve => {3    addEventListener('load', resolve);4  }).then(async () => {5    const result = await get_result(uuid);6    if (expectation) {7      assert_not_equals(result, '', 'speculative case did not fetch');8    } else {9      assert_equals(result, '', 'speculative case incorrectly fetched');10    }11    return result;12  });13}14function compare_with_nonspeculative(uuid, title, test_nonspeculative) {15  return function(speculative_result) {16    if (!test_nonspeculative) {17      return Promise.resolve();18    }19    return new Promise(resolve => {20      const iframe = document.createElement('iframe');21      iframe.onload = resolve;22      iframe.src = `../resources/${title}-nonspeculative.sub.html?uuid=${uuid}`;23      document.body.appendChild(iframe);24    }).then(async () => {25      const result = await get_result(uuid);26      if (speculative_result === '') {27        assert_equals(result, '', 'non-speculative case incorrectly fetched')28      } else {29        assert_not_equals(result, '', 'non-speculative case did not fetch');30        const speculative_headers = speculative_result.trim().split("\n");31        const nonspeculative_headers = result.trim().split("\n");32        assert_equals(speculative_headers.length, nonspeculative_headers.length, 'expected the same number of headers between speculative and non-speculative')33        for (let i = 0; i < speculative_headers.length; ++i) {34          let [s_header, s_value] = split_header(speculative_headers[i]);35          let [ns_header, ns_value] = split_header(nonspeculative_headers[i]);36          assert_equals(s_header, ns_header, 'expected the order of headers to match between speculative and non-speculative');37          assert_equals(s_value, ns_value, `expected \`${s_header}\` values to match between speculative and non-speculative`);38        }39      }40    });41  }42}43function split_header(line) {44  let [header, value] = line.split(': ');45  header = header.toLowerCase();46  value = value.trim();47  if (header === 'referer') {48    value = value.replace(/\/generated\/.+$/, '/generated/...');49  }50  return [header, value];51}52async function get_result(uuid) {53  const response = await fetch(`/html/syntax/speculative-parsing/resources/stash.py?action=take&uuid=${uuid}`);54  return await response.text();...

Using AI Code Generation

1var WebPageTest = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org','A.5e5c6c5f6c8d9d9b6b1a6f5d6b2c3d4e');3  if (err) return console.error(err);4  console.log('Test submitted to WebPagetest for %s', data.data.url);5  console.log('Test ID: %s', data.data.testId);6});

Using AI Code Generation

1var WebPageTest = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org', 'A.8d7b1e6c0a7dc1a3e3f7b3f9c9a7b8f0');3var options = {speculative_headers: 1};4wpt.runTest(url, options, function(err, data) {5  if (err) return console.error(err);6  console.log('Test status:', data.statusText);7  console.log('View your test at:', data.data.userUrl);8  console.log('Speculative request headers:', data.data.speculative_headers);9});

Using AI Code Generation

1var headerName = "X-Frame-Options";2var headerValue = "SAMEORIGIN";3var originalHeaderValue = "DENY";4var name = "speculative_headers test";5    "navigate\t" + url + "\n";6    "navigate\t" + url + "\n";7    "navigate\t" + url + "\n";8    "navigate\t" + url + "\n";

Using AI Code Generation

1var webdriver = require('selenium-webdriver');2var chrome = require('selenium-webdriver/chrome');3var By = webdriver.By;4var until = webdriver.until;5var options = new chrome.Options();6options.addArguments('--headless');7options.addArguments('--disable-gpu');8var driver = new webdriver.Builder()9    .forBrowser('chrome')10    .setChromeOptions(options)11    .build();12var wpt = require('webpagetest');13var firstRequestHeaders;14var secondRequestHeaders;15var differences = [];16var results = {17}18wpt.runTest(url, {19}, function(err, data) {20    if (err) throw err;21    results.firstRequestHeaders = data.data.speculative_headers;22    console.log('got first request headers');23    driver.get(url);24    driver.wait(until.titleContains('Google'), 10000);25    wpt.runTest(url, {

Using AI Code Generation

1const wpt = require('wpt-api');2const wptAPI = new wpt('A.1c6d2b2d9b2a0e8f0a3e3f3e3d3c3b3e');3var testOptions = {4    videoParams: {5    },6    speculative_headers: {7        'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',8        'Accept-Language': 'en-US,en;q=0.8,de;q=0.6,ja;q=0.4',9        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)' +10    }11};12wptAPI.runTest(testOptions, function (err, data) {13    if (err) {14        console.log(err);15    } else {16        console.log(data);17    }18});

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