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How to use assert_prefetched method in wpt

Best JavaScript code snippet using wpt

utils.sub.js

Source:utils.sub.js

1/**2 * Utilities for initiating prefetch via speculation rules.3 */4// Resolved URL to find this script.5const SR_PREFETCH_UTILS_URL = new URL(document.currentScript.src, document.baseURI);6// Hostname for cross origin urls.7const PREFETCH_PROXY_BYPASS_HOST = "{{hosts[alt][]}}";8class PrefetchAgent extends RemoteContext {9  constructor(uuid, t) {10    super(uuid);11    this.t = t;12  }13  getExecutorURL(options = {}) {14    let {hostname, protocol, ...extra} = options;15    let params = new URLSearchParams({uuid: this.context_id, ...extra});16    let url = new URL(`executor.sub.html?${params}`, SR_PREFETCH_UTILS_URL);17    if(hostname !== undefined) {18      url.hostname = hostname;19    }20    if(protocol !== undefined) {21      url.protocol = protocol;22      url.port = protocol === "https" ? "{{ports[https][0]}}" : "{{ports[http][0]}}";23    }24    return url;25  }26  // Requests prefetch via speculation rules.27  //28  // In the future, this should also use browser hooks to force the prefetch to29  // occur despite heuristic matching, etc., and await the completion of the30  // prefetch.31  async forceSinglePrefetch(url, extra = {}) {32    await this.execute_script((url, extra) => {33      insertSpeculationRules({ prefetch: [{source: 'list', urls: [url], ...extra}] });34    }, [url, extra]);35    return new Promise(resolve => this.t.step_timeout(resolve, 2000));36  }37  async navigate(url) {38    await this.execute_script((url) => {39      window.executor.suspend(() => {40        location.href = url;41      });42    }, [url]);43    assert_equals(44        await this.execute_script(() => location.href),45        url.toString(),46        "expected navigation to reach destination URL");47    await this.execute_script(() => {});48  }49  async getRequestHeaders() {50    return this.execute_script(() => requestHeaders);51  }52}53// Produces n URLs with unique UUIDs which will record when they are prefetched.54function getPrefetchUrlList(n) {55  let urls = [];56  for (let i=0; i<n; i++) {57    let params = new URLSearchParams({uuid: token()});58    urls.push(new URL(`prefetch.py?${params}`, SR_PREFETCH_UTILS_URL));59  }60  return urls;61}62async function isUrlPrefetched(url) {63  let response = await fetch(url);64  assert_true(response.ok);65  return response.json();66}67// Must also include /common/utils.js and /common/dispatcher/dispatcher.js to use this.68async function spawnWindow(t, extra = {}) {69  let agent = new PrefetchAgent(token(), t);70  let w = window.open(agent.getExecutorURL(), extra);71  t.add_cleanup(() => w.close());72  return agent;73}74function insertSpeculationRules(body) {75  let script = document.createElement('script');76  script.type = 'speculationrules';77  script.textContent = JSON.stringify(body);78  document.head.appendChild(script);79}80function assert_prefetched (requestHeaders, description) {81  assert_in_array(requestHeaders.purpose, ["", "prefetch"], "The vendor-specific header Purpose, if present, must be 'prefetch'.");82  assert_equals(requestHeaders.sec_purpose, "prefetch", description);83}84function assert_not_prefetched (requestHeaders, description){85  assert_equals(requestHeaders.purpose, "", description);86  assert_equals(requestHeaders.sec_purpose, "", description);...

Using AI Code Generation

1var assert_prefetched = require('./assert_prefetched.js');2var assert = require('assert');3var webdriver = require('selenium-webdriver');4var By = webdriver.By;5var until = webdriver.until;6var driver = new webdriver.Builder()7    .forBrowser('chrome')8    .build();9driver.findElement(By.name('q')).sendKeys('webdriver');10driver.findElement(By.name('btnK')).click();11driver.wait(until.titleIs('webdriver - Google Search'), 1000);12driver.quit();13var assert = require('assert');14var webdriver = require('selenium-webdriver');15var By = webdriver.By;16var until = webdriver.until;17module.exports = function(driver, url) {18    driver.get(url);19    driver.wait(until.elementLocated(By.tagName('body')), 1000);20    var body = driver.findElement(By.tagName('body'));21    body.getAttribute('innerHTML').then(function(value) {22        assert.equal(value, 'prefetched');23    });24};

Using AI Code Generation

1async_test(function(test) {2  var iframe = document.createElement("iframe");3  iframe.src = "/common/blank.html";4  iframe.onload = test.step_func(function() {5    var link = iframe.contentDocument.createElement("link");6    link.rel = "prefetch";7    iframe.contentDocument.head.appendChild(link);8    setTimeout(test.step_func(function() {9      assert_prefetched(link.href, test.step_func(function(result) {10        assert_true(result, "Resource is prefetched");11        test.done();12      }));13    }), 1000);14  });15  document.body.appendChild(iframe);16}, "Test to check if the resource is prefetched or not");17async_test(function(test) {18  var iframe = document.createElement("iframe");19  iframe.src = "/common/blank.html";20  iframe.onload = test.step_func(function() {21    var link = iframe.contentDocument.createElement("link");22    link.rel = "prefetch";23    iframe.contentDocument.head.appendChild(link);24    setTimeout(test.step_func(function() {25      assert_prefetched(link.href, test.step_func(function(result) {26        assert_false(result, "Resource is not prefetched");27        test.done();28      }));29    }), 1000);30  });31  document.body.appendChild(iframe);32}, "Test to check if the resource is prefetched or not");33async_test(function(test

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