How to use failCatcher method in wpt

Best JavaScript code snippet using wpt

RTCPeerConnection-perfect-negotiation-helper.js

Source:RTCPeerConnection-perfect-negotiation-helper.js

1'use strict'2function peer(other, polite, fail = null) {3  const send = (tgt, msg) => tgt.postMessage(JSON.parse(JSON.stringify(msg)),4                                             "*");5  if (!fail) fail = e => send(window.parent, {error: `${e.name}: ${e.message}`});6  const pc = new RTCPeerConnection();7  if (!window.assert_equals) {8    window.assert_equals = (a, b, msg) => a === b ||9        fail(new Error(`${msg} expected ${b} but got ${a}`));10  }11  const commands = {12    async addTransceiver() {13      const transceiver = pc.addTransceiver("video");14      await new Promise(r => pc.addEventListener("negotiated", r, {once: true}));15      if (!transceiver.currentDirection) {16        // Might have just missed the negotiation train. Catch next one.17        await new Promise(r => pc.addEventListener("negotiated", r, {once: true}));18      }19      assert_equals(transceiver.currentDirection, "sendonly", "have direction");20      return pc.getTransceivers().length;21    },22    async simpleConnect() {23      const p = commands.addTransceiver();24      await new Promise(r => pc.oniceconnectionstatechange =25                        () => pc.iceConnectionState == "connected" && r());26      return await p;27    },28    async getNumTransceivers() {29      return pc.getTransceivers().length;30    },31  };32  try {33    pc.addEventListener("icecandidate", ({candidate}) => send(other,34                                                              {candidate}));35    let makingOffer = false, ignoreOffer = false;36    let srdAnswerPending = false;37    pc.addEventListener("negotiationneeded", async () => {38      try {39        assert_equals(pc.signalingState, "stable", "negotiationneeded always fires in stable state");40        assert_equals(makingOffer, false, "negotiationneeded not already in progress");41        makingOffer = true;42        await pc.setLocalDescription();43        assert_equals(pc.signalingState, "have-local-offer", "negotiationneeded not racing with onmessage");44        assert_equals(pc.localDescription.type, "offer", "negotiationneeded SLD worked");45        send(other, {description: pc.localDescription});46      } catch (e) {47        fail(e);48      } finally {49        makingOffer = false;50      }51    });52    window.onmessage = async ({data: {description, candidate, run}}) => {53      try {54        if (description) {55          // If we have a setRemoteDescription() answer operation pending, then56          // we will be "stable" by the time the next setRemoteDescription() is57          // executed, so we count this being stable when deciding whether to58          // ignore the offer.59          let isStable =60              pc.signalingState == "stable" ||61              (pc.signalingState == "have-local-offer" && srdAnswerPending);62          ignoreOffer = description.type == "offer" && !polite &&63                         (makingOffer || !isStable);64          if (ignoreOffer) {65            return;66          }67          if (description.type == "answer")68            srdAnswerPending = true;69          await pc.setRemoteDescription(description);70          srdAnswerPending = false;71          if (description.type == "offer") {72            assert_equals(pc.signalingState, "have-remote-offer", "Remote offer");73            assert_equals(pc.remoteDescription.type, "offer", "SRD worked");74            await pc.setLocalDescription();75            assert_equals(pc.signalingState, "stable", "onmessage not racing with negotiationneeded");76            assert_equals(pc.localDescription.type, "answer", "onmessage SLD worked");77            send(other, {description: pc.localDescription});78          } else {79            assert_equals(pc.remoteDescription.type, "answer", "Answer was set");80            assert_equals(pc.signalingState, "stable", "answered");81            pc.dispatchEvent(new Event("negotiated"));82          }83        } else if (candidate) {84          try {85            await pc.addIceCandidate(candidate);86          } catch (e) {87            if (!ignoreOffer) throw e;88          }89        } else if (run) {90          send(window.parent, {[run.id]: await commands[run.cmd]() || 0});91        }92      } catch (e) {93        fail(e);94      }95    };96  } catch (e) {97    fail(e);98  }99  return pc;100}101async function setupPeerIframe(t, polite) {102  const iframe = document.createElement("iframe");103  t.add_cleanup(() => iframe.remove());104  iframe.srcdoc =105   `<html\><script\>(${peer.toString()})(window.parent, ${polite});</script\></html\>`;106  document.documentElement.appendChild(iframe);107  const failCatcher = t.step_func(({data}) =>108      ("error" in data) && assert_unreached(`Error in iframe: ${data.error}`));109  window.addEventListener("message", failCatcher);110  t.add_cleanup(() => window.removeEventListener("message", failCatcher));111  await new Promise(r => iframe.onload = r);112  return iframe;113}114function setupPeerTopLevel(t, other, polite) {115  const pc = peer(other, polite, t.step_func(e => { throw e; }));116  t.add_cleanup(() => { pc.close(); window.onmessage = null; });117}118let counter = 0;119async function run(target, cmd) {120  const id = `result${counter++}`;121  target.postMessage({run: {cmd, id}}, "*");122  return new Promise(r => window.addEventListener("message",123                                                  function listen({data}) {124    if (!(id in data)) return;125    window.removeEventListener("message", listen);126    r(data[id]);127  }));128}129let iframe;130async function setupAB(t, politeA, politeB) {131  iframe = await setupPeerIframe(t, politeB);132  return setupPeerTopLevel(t, iframe.contentWindow, politeA);133}134const runA = cmd => run(window, cmd);135const runB = cmd => run(iframe.contentWindow, cmd);136const runBoth = (cmdA, cmdB = cmdA) => Promise.all([runA(cmdA), runB(cmdB)]);137async function promise_test_both_roles(f, name) {138  promise_test(async t => f(t, await setupAB(t, true, false)), name);139  promise_test(async t => f(t, await setupAB(t, false, true)),140               `${name} with roles reversed`);...

Using AI Code Generation

1var wpt = require('webpagetest');2var client = wpt('www.webpagetest.org');3client.getLocations(function(err, data) {4    if (err) {5        console.log('Error: ' + err);6    } else {7        console.log(data);8    }9});10}, function(err, data) {11    if (err) {12        console.log('Error: ' + err);13    } else {14        console.log(data);15    }16});17client.getTestStatus('140628_7V_58f', function(err, data) {18    if (err) {19        console.log('Error: ' + err);20    } else {21        console.log(data);22    }23});24client.getTestResults('140628_7V_58f', function(err, data) {25    if (err) {26        console.log('Error: ' + err);27    } else {28        console.log(data);29    }30});31client.getTestResults('140628_7V_58f', {32}, function(err, data) {33    if (err) {34        console.log('Error: ' + err);35    } else {36        console.log(data);37    }38});39client.getTestResults('140628_7V_58f', {40}, function(err, data) {41    if (err) {42        console.log('Error: ' + err);43    } else {44        console.log(data);45    }46});47client.getTestResults('140628_7V_58f', {48}, function(err, data) {49    if (err) {50        console.log('Error: ' + err);51    } else {52        console.log(data);53    }54});55client.getTestResults('140628_7V_58f', {56}, function(err, data) {57    if (err) {58        console.log('Error: ' + err);59    } else {60        console.log(data);61    }62});63client.getTestResults('140628

Using AI Code Generation

1var wpt = require('webpagetest');2var client = wpt('www.webpagetest.org');3var failCatcher = require('./failCatcher');4}, function(err, data) {5  if (err) {6    console.log(err);7    return;8  }9  console.log(data.data.average.firstView.TTFB);10});11test.on('error', failCatcher);

Using AI Code Generation

1var wpt = require('wpt');2var wpt = new WebPageTest('www.webpagetest.org', 'A.0d9d2e2e8b1f5c7b5e0e5c5a5f5b5c5d');3wpt.runTest('www.google.com', {firstViewOnly: true}, function(err, data) {4  if (err) {5    console.log(err);6  } else {7    wpt.getTestResults(data.data.testId, {failCatcher: true}, function(err, data) {8      if (err) {9        console.log(err);10      } else {11        console.log(data);12      }13    });14  }15});16### WebPageTest(host, apiKey)17### WebPageTest#runTest(url, options, callback)18- `location` - the location to run the test from (default: `Dulles:Chrome`)19- `runs` - the number of test runs to perform (default: `1`)20- `firstViewOnly` - if `true`, only the first view of the test will be run (default: `false`)21- `private` - if `true`, the test will not be visible on the public test log (default: `false`)22- `connectivity` - the type of connectivity to emulate (default: `Cable`)23- `bwDown` - the download bandwidth to emulate (default: `5000`)24- `bwUp` - the upload bandwidth to emulate (default: `768`)25- `latency` - the latency to emulate (default: `28`)26- `plr` - the packet loss rate to emulate (default: `0`)27- `mobile` - if `true`, the test will be run on a mobile device (default

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