How to use forceSample method in wpt

Best JavaScript code snippet using wpt

profile-utils.js

Source:profile-utils.js

1(function(global) {2  const TEST_SAMPLE_INTERVAL = 10;3  function forceSample() {4    // Spin for |TEST_SAMPLE_INTERVAL + 500|ms to ensure that a sample occurs5    // before this function returns. As periodic sampling is enforced by a6    // SHOULD clause, it is indeed testable.7    //8    // More reliable sampling will be handled in a future testdriver RFC9    // (https://github.com/web-platform-tests/rfcs/pull/81).10    for (const deadline = performance.now() + TEST_SAMPLE_INTERVAL + 500; performance.now() < deadline;);11  }12  // Creates a new profile that captures the execution of when the given13  // function calls the `sample` function passed to it.14  async function profileFunction(func) {15    const profiler = new Profiler({16      sampleInterval: TEST_SAMPLE_INTERVAL,17      maxBufferSize: Number.MAX_SAFE_INTEGER,18    });19    func(() => forceSample());20    const trace = await profiler.stop();21    // Sanity check ensuring that we captured a sample.22    assert_greater_than(trace.resources.length, 0);23    assert_greater_than(trace.frames.length, 0);24    assert_greater_than(trace.stacks.length, 0);25    assert_greater_than(trace.samples.length, 0);26    return trace;27  }28  async function testFunction(func, frame) {29    const trace = await profileFunction(func);30    assert_true(containsFrame(trace, frame), 'trace contains frame');31  }32  function substackMatches(trace, stackId, expectedStack) {33    if (expectedStack.length === 0) {34      return true;35    }36    if (stackId === undefined) {37      return false;38    }39    const stackElem = trace.stacks[stackId];40    const expectedFrame = expectedStack[0];41    if (!frameMatches(trace.frames[stackElem.frameId], expectedFrame)) {42      return false;43    }44    return substackMatches(trace, stackElem.parentId, expectedStack.slice(1));45  }46  // Returns true if the trace contains a frame matching the given specification.47  // We define a "match" as follows: a frame A matches an expectation E if (and48  // only if) for each field of E, A has the same value.49  function containsFrame(trace, expectedFrame) {50    return trace.frames.find(frame => {51      return frameMatches(frame, expectedFrame);52    }) !== undefined;53  }54  // Returns true if a trace contains a substack in one of its samples, ordered55  // leaf to root.56  function containsSubstack(trace, expectedStack) {57    return trace.samples.find(sample => {58      let stackId = sample.stackId;59      while (stackId !== undefined) {60        if (substackMatches(trace, stackId, expectedStack)) {61          return true;62        }63        stackId = trace.stacks[stackId].parentId;64      }65      return false;66    }) !== undefined;67  }68  function containsResource(trace, expectedResource) {69    return trace.resources.includes(expectedResource);70  }71  // Compares each set field of `expected` against the given frame `actual`.72  function frameMatches(actual, expected) {73    return (expected.name === undefined || expected.name === actual.name) &&74           (expected.resourceId === undefined || expected.resourceId === actual.resourceId) &&75           (expected.line === undefined || expected.line === actual.line) &&76           (expected.column === undefined || expected.column === actual.column);77  }78  function forceSampleFrame(frame) {79    const channel = new MessageChannel();80    const replyPromise = new Promise(res => {81      channel.port1.onmessage = res;82    });83    frame.postMessage('', '*', [channel.port2]);84    return replyPromise;85  }86  window.addEventListener('message', message => {87    // Force sample in response to messages received.88    (function sampleFromMessage() {89      ProfileUtils.forceSample();90      message.ports[0].postMessage('');91    })();92  });93  global.ProfileUtils = {94    // Capturing95    profileFunction,96    forceSample,97    // Containment checks98    containsFrame,99    containsSubstack,100    containsResource,101    // Cross-frame sampling102    forceSampleFrame,103    // Assertions...

use-speedcurve-lux.spec.ts

Source:use-speedcurve-lux.spec.ts

1import { renderHook } from '@testing-library/react-hooks';2import { useSpeedCurveLUX } from '../src';3type LUXProps = 'auto' | 'debug' | 'label' | 'samplerate';4interface Window {5  LUX?: {6    addData: (key: string, value: string | number) => void,7    forceSample: () => void,8    init: () => void,9    send: () => void,10  };11}12describe('useSpeedCurveLUX', () => {13  beforeEach(() => {14    (window as Window).LUX = {15      addData: jest.fn(),16      forceSample: jest.fn(),17      init: jest.fn(),18      send: jest.fn(),19    };20  });21  describe.each<[LUXProps, boolean | string | number]>([22    ['auto', true],23    ['debug', true],24    ['label', 'my page'],25    ['samplerate', 20],26  ])('%s', (key, value) => {27    it('sets the property if a value is given', () => {28      renderHook(() => useSpeedCurveLUX({ [key]: value }));29      expect(window.LUX[key]).toBe(value);30    });31    it('sets the property if a value is given and window.LUX is undefined', () => {32      delete (window as Window).LUX;33      renderHook(() => useSpeedCurveLUX({ [key]: value }));34      expect(window.LUX[key]).toBe(value);35    });36    it('does not set the property if a value is not given', () => {37      renderHook(() => useSpeedCurveLUX());38      expect(window.LUX[key]).toBeUndefined();39    });40  });41  describe('forceSample', () => {42    it('calls the function if the relevant flag is given', () => {43      renderHook(() => useSpeedCurveLUX({ forceSample: true }));44      expect(window.LUX.forceSample).toHaveBeenCalledTimes(1);45    });46    it('does not call the function if no flag is given', () => {47      renderHook(() => useSpeedCurveLUX());48      expect(window.LUX.forceSample).not.toHaveBeenCalled();49    });50  });51  describe('data', () => {52    it('adds the given data', () => {53      renderHook(() => useSpeedCurveLUX({54        data: {55          'cart size': 128,56          'experiment A': 'control',57        },58      }));59      expect(window.LUX.addData).toHaveBeenCalledTimes(2);60      expect(window.LUX.addData).toHaveBeenCalledWith('cart size', 128);61      expect(window.LUX.addData).toHaveBeenCalledWith('experiment A', 'control');62    });63    it('does not attempt to add any data if none given', () => {64      renderHook(() => useSpeedCurveLUX());65      expect(window.LUX.addData).not.toHaveBeenCalled();66    });67  });...

use-speedcurve-lux.ts

Source:use-speedcurve-lux.ts

...32    if (samplerate) {33      window.LUX.samplerate = samplerate;34    }35    if (forceSample) {36      window.LUX.forceSample();37    }38    Object.entries(data || {}).forEach(([key, value]) => {39      window.LUX.addData(key, value);40    });41  }, []);...

Using AI Code Generation

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

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org', 'A.1b2c3d4e5f6g7h8i9j0k1l2m3n4o5p6q');3  if (err) return console.error(err);4  console.log(data);5  wpt.forceSample(data.data.testId, function(err, data) {6    if (err) return console.error(err);7    console.log(data);8  });9});

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3var options = {4};5wpt.runTest(options, function(err, data) {6  if (err) return console.error(err);7  console.log('Test submitted. You can check the status at %sresult/%s/', wpt.testUrl, data.data.testId);8  wpt.forceSample(data.data.testId, function(err, data) {9    if (err) return console.error(err);10    console.log('Sample forced');11  });12});13### WebPageTest(testUrl, apiKey, options)14* `testUrl` - the URL of the WebPageTest server (e.g. `www.webpagetest.org` or `www.webpagetest.com`)15  * `protocol` - the protocol to use for requests (default: `http`)16  * `port` - the port to use for requests (default: `80` or `443` depending on `protocol`)17  * `timeout` - the timeout in milliseconds to use for requests (default: `30000`)18  * `firstViewOnly` - whether to only test the first view (default: `false`)19### WebPageTest.getLocations(callback)20wpt.getLocations(function(err, data) {21  if (err) return console.error(err);22  console.log(data);23});24### WebPageTest.getTests(callback)25wpt.getTests(function(err, data) {26  if (err) return console.error(err);27  console.log(data);28});29### WebPageTest.getTestStatus(testId, callback)30wpt.getTestStatus('140530_9Y_1', function(err, data) {31  if (err) return console.error(err);32  console.log(data);33});

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org', 'A.5d9b5d5d5d5d5d5d5d5d5d5d5d5d5d5d5');3wpt.forceSample('www.webpagetest.org', function(err, data) {4  if (err) {5    console.log('Error: ' + err);6  } else {7    console.log(data);8  }9});

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