How to use errorInCancel method in wpt

Best JavaScript code snippet using wpt

cancel.js

Source:cancel.js

1'use strict';2if (self.importScripts) {3  self.importScripts('../resources/test-utils.js');4  self.importScripts('../resources/rs-utils.js');5  self.importScripts('/resources/testharness.js');6}7promise_test(() => {8  const randomSource = new RandomPushSource();9  let cancellationFinished = false;10  const rs = new ReadableStream({11    start(c) {12      randomSource.ondata = c.enqueue.bind(c);13      randomSource.onend = c.close.bind(c);14      randomSource.onerror = c.error.bind(c);15    },16    pull() {17      randomSource.readStart();18    },19    cancel() {20      randomSource.readStop();21      return new Promise(resolve => {22        setTimeout(() => {23          cancellationFinished = true;24          resolve();25        }, 1);26      });27    }28  });29  const reader = rs.getReader();30  // We call delay multiple times to avoid cancelling too early for the31  // source to enqueue at least one chunk.32  const cancel = delay(5).then(() => delay(5)).then(() => delay(5)).then(() => {33    const cancelPromise = reader.cancel();34    assert_false(cancellationFinished, 'cancellation in source should happen later');35    return cancelPromise;36  });37  return readableStreamToArray(rs, reader).then(chunks => {38    assert_greater_than(chunks.length, 0, 'at least one chunk should be read');39    for (let i = 0; i < chunks.length; i++) {40      assert_equals(chunks[i].length, 128, 'chunk ' + i + ' should have 128 bytes');41    }42    return cancel;43  }).then(() => {44    assert_true(cancellationFinished, 'it returns a promise that is fulfilled when the cancellation finishes');45  });46}, 'ReadableStream cancellation: integration test on an infinite stream derived from a random push source');47test(() => {48  let recordedReason;49  const rs = new ReadableStream({50    cancel(reason) {51      recordedReason = reason;52    }53  });54  const passedReason = new Error('Sorry, it just wasn\'t meant to be.');55  rs.cancel(passedReason);56  assert_equals(recordedReason, passedReason,57    'the error passed to the underlying source\'s cancel method should equal the one passed to the stream\'s cancel');58}, 'ReadableStream cancellation: cancel(reason) should pass through the given reason to the underlying source');59promise_test(() => {60  const rs = new ReadableStream({61    start(c) {62      c.enqueue('a');63      c.close();64    },65    cancel() {66      assert_unreached('underlying source cancel() should not have been called');67    }68  });69  const reader = rs.getReader();70  return rs.cancel().then(() => {71    assert_unreached('cancel() should be rejected');72  }, e => {73    assert_equals(e.name, 'TypeError', 'cancel() should be rejected with a TypeError');74  }).then(() => {75    return reader.read();76  }).then(result => {77    assert_object_equals(result, { value: 'a', done: false }, 'read() should still work after the attempted cancel');78    return reader.closed;79  });80}, 'ReadableStream cancellation: cancel() on a locked stream should fail and not call the underlying source cancel');81promise_test(() => {82  let cancelReceived = false;83  const cancelReason = new Error('I am tired of this stream, I prefer to cancel it');84  const rs = new ReadableStream({85    cancel(reason) {86      cancelReceived = true;87      assert_equals(reason, cancelReason, 'cancellation reason given to the underlying source should be equal to the one passed');88    }89  });90  return rs.cancel(cancelReason).then(() => {91    assert_true(cancelReceived);92  });93}, 'ReadableStream cancellation: should fulfill promise when cancel callback went fine');94promise_test(() => {95  const rs = new ReadableStream({96    cancel() {97      return 'Hello';98    }99  });100  return rs.cancel().then(v => {101    assert_equals(v, undefined, 'cancel() return value should be fulfilled with undefined');102  });103}, 'ReadableStream cancellation: returning a value from the underlying source\'s cancel should not affect the fulfillment value of the promise returned by the stream\'s cancel');104promise_test(() => {105  const thrownError = new Error('test');106  let cancelCalled = false;107  const rs = new ReadableStream({108    cancel() {109      cancelCalled = true;110      throw thrownError;111    }112  });113  return rs.cancel('test').then(() => {114    assert_unreached('cancel should reject');115  }, e => {116    assert_true(cancelCalled);117    assert_equals(e, thrownError);118  });119}, 'ReadableStream cancellation: should reject promise when cancel callback raises an exception');120promise_test(() => {121  const cancelReason = new Error('test');122  const rs = new ReadableStream({123    cancel(error) {124      assert_equals(error, cancelReason);125      return delay(1);126    }127  });128  return rs.cancel(cancelReason);129}, 'ReadableStream cancellation: if the underlying source\'s cancel method returns a promise, the promise returned by the stream\'s cancel should fulfill when that one does (1)');130promise_test(() => {131  let resolveSourceCancelPromise;132  let sourceCancelPromiseHasFulfilled = false;133  const rs = new ReadableStream({134    cancel() {135      const sourceCancelPromise = new Promise(resolve => resolveSourceCancelPromise = resolve);136      sourceCancelPromise.then(() => {137        sourceCancelPromiseHasFulfilled = true;138      });139      return sourceCancelPromise;140    }141  });142  setTimeout(() => resolveSourceCancelPromise('Hello'), 1);143  return rs.cancel().then(value => {144    assert_true(sourceCancelPromiseHasFulfilled, 'cancel() return value should be fulfilled only after the promise returned by the underlying source\'s cancel');145    assert_equals(value, undefined, 'cancel() return value should be fulfilled with undefined');146  });147}, 'ReadableStream cancellation: if the underlying source\'s cancel method returns a promise, the promise returned by the stream\'s cancel should fulfill when that one does (2)');148promise_test(() => {149  let rejectSourceCancelPromise;150  let sourceCancelPromiseHasRejected = false;151  const rs = new ReadableStream({152    cancel() {153      const sourceCancelPromise = new Promise((resolve, reject) => rejectSourceCancelPromise = reject);154      sourceCancelPromise.catch(() => {155        sourceCancelPromiseHasRejected = true;156      });157      return sourceCancelPromise;158    }159  });160  const errorInCancel = new Error('Sorry, it just wasn\'t meant to be.');161  setTimeout(() => rejectSourceCancelPromise(errorInCancel), 1);162  return rs.cancel().then(() => {163    assert_unreached('cancel() return value should be rejected');164  }, r => {165    assert_true(sourceCancelPromiseHasRejected, 'cancel() return value should be rejected only after the promise returned by the underlying source\'s cancel');166    assert_equals(r, errorInCancel, 'cancel() return value should be rejected with the underlying source\'s rejection reason');167  });168}, 'ReadableStream cancellation: if the underlying source\'s cancel method returns a promise, the promise returned by the stream\'s cancel should reject when that one does');169promise_test(() => {170  const rs = new ReadableStream({171    start() {172      return new Promise(() => {});173    },174    pull() {175      assert_unreached('pull should not have been called');176    }177  });178  return Promise.all([rs.cancel(), rs.getReader().closed]);179}, 'ReadableStream cancellation: cancelling before start finishes should prevent pull() from being called');...

cancel.any.js

Source:cancel.any.js

1// META: global=window,worker,jsshell2// META: script=../resources/test-utils.js3// META: script=../resources/rs-utils.js4'use strict';5promise_test(t => {6  const randomSource = new RandomPushSource();7  let cancellationFinished = false;8  const rs = new ReadableStream({9    start(c) {10      randomSource.ondata = c.enqueue.bind(c);11      randomSource.onend = c.close.bind(c);12      randomSource.onerror = c.error.bind(c);13    },14    pull() {15      randomSource.readStart();16    },17    cancel() {18      randomSource.readStop();19      return new Promise(resolve => {20        t.step_timeout(() => {21          cancellationFinished = true;22          resolve();23        }, 1);24      });25    }26  });27  const reader = rs.getReader();28  // We call delay multiple times to avoid cancelling too early for the29  // source to enqueue at least one chunk.30  const cancel = delay(5).then(() => delay(5)).then(() => delay(5)).then(() => {31    const cancelPromise = reader.cancel();32    assert_false(cancellationFinished, 'cancellation in source should happen later');33    return cancelPromise;34  });35  return readableStreamToArray(rs, reader).then(chunks => {36    assert_greater_than(chunks.length, 0, 'at least one chunk should be read');37    for (let i = 0; i < chunks.length; i++) {38      assert_equals(chunks[i].length, 128, 'chunk ' + i + ' should have 128 bytes');39    }40    return cancel;41  }).then(() => {42    assert_true(cancellationFinished, 'it returns a promise that is fulfilled when the cancellation finishes');43  });44}, 'ReadableStream cancellation: integration test on an infinite stream derived from a random push source');45test(() => {46  let recordedReason;47  const rs = new ReadableStream({48    cancel(reason) {49      recordedReason = reason;50    }51  });52  const passedReason = new Error('Sorry, it just wasn\'t meant to be.');53  rs.cancel(passedReason);54  assert_equals(recordedReason, passedReason,55    'the error passed to the underlying source\'s cancel method should equal the one passed to the stream\'s cancel');56}, 'ReadableStream cancellation: cancel(reason) should pass through the given reason to the underlying source');57promise_test(() => {58  const rs = new ReadableStream({59    start(c) {60      c.enqueue('a');61      c.close();62    },63    cancel() {64      assert_unreached('underlying source cancel() should not have been called');65    }66  });67  const reader = rs.getReader();68  return rs.cancel().then(() => {69    assert_unreached('cancel() should be rejected');70  }, e => {71    assert_equals(e.name, 'TypeError', 'cancel() should be rejected with a TypeError');72  }).then(() => {73    return reader.read();74  }).then(result => {75    assert_object_equals(result, { value: 'a', done: false }, 'read() should still work after the attempted cancel');76    return reader.closed;77  });78}, 'ReadableStream cancellation: cancel() on a locked stream should fail and not call the underlying source cancel');79promise_test(() => {80  let cancelReceived = false;81  const cancelReason = new Error('I am tired of this stream, I prefer to cancel it');82  const rs = new ReadableStream({83    cancel(reason) {84      cancelReceived = true;85      assert_equals(reason, cancelReason, 'cancellation reason given to the underlying source should be equal to the one passed');86    }87  });88  return rs.cancel(cancelReason).then(() => {89    assert_true(cancelReceived);90  });91}, 'ReadableStream cancellation: should fulfill promise when cancel callback went fine');92promise_test(() => {93  const rs = new ReadableStream({94    cancel() {95      return 'Hello';96    }97  });98  return rs.cancel().then(v => {99    assert_equals(v, undefined, 'cancel() return value should be fulfilled with undefined');100  });101}, 'ReadableStream cancellation: returning a value from the underlying source\'s cancel should not affect the fulfillment value of the promise returned by the stream\'s cancel');102promise_test(() => {103  const thrownError = new Error('test');104  let cancelCalled = false;105  const rs = new ReadableStream({106    cancel() {107      cancelCalled = true;108      throw thrownError;109    }110  });111  return rs.cancel('test').then(() => {112    assert_unreached('cancel should reject');113  }, e => {114    assert_true(cancelCalled);115    assert_equals(e, thrownError);116  });117}, 'ReadableStream cancellation: should reject promise when cancel callback raises an exception');118promise_test(() => {119  const cancelReason = new Error('test');120  const rs = new ReadableStream({121    cancel(error) {122      assert_equals(error, cancelReason);123      return delay(1);124    }125  });126  return rs.cancel(cancelReason);127}, 'ReadableStream cancellation: if the underlying source\'s cancel method returns a promise, the promise returned by the stream\'s cancel should fulfill when that one does (1)');128promise_test(t => {129  let resolveSourceCancelPromise;130  let sourceCancelPromiseHasFulfilled = false;131  const rs = new ReadableStream({132    cancel() {133      const sourceCancelPromise = new Promise(resolve => resolveSourceCancelPromise = resolve);134      sourceCancelPromise.then(() => {135        sourceCancelPromiseHasFulfilled = true;136      });137      return sourceCancelPromise;138    }139  });140  t.step_timeout(() => resolveSourceCancelPromise('Hello'), 1);141  return rs.cancel().then(value => {142    assert_true(sourceCancelPromiseHasFulfilled, 'cancel() return value should be fulfilled only after the promise returned by the underlying source\'s cancel');143    assert_equals(value, undefined, 'cancel() return value should be fulfilled with undefined');144  });145}, 'ReadableStream cancellation: if the underlying source\'s cancel method returns a promise, the promise returned by the stream\'s cancel should fulfill when that one does (2)');146promise_test(t => {147  let rejectSourceCancelPromise;148  let sourceCancelPromiseHasRejected = false;149  const rs = new ReadableStream({150    cancel() {151      const sourceCancelPromise = new Promise((resolve, reject) => rejectSourceCancelPromise = reject);152      sourceCancelPromise.catch(() => {153        sourceCancelPromiseHasRejected = true;154      });155      return sourceCancelPromise;156    }157  });158  const errorInCancel = new Error('Sorry, it just wasn\'t meant to be.');159  t.step_timeout(() => rejectSourceCancelPromise(errorInCancel), 1);160  return rs.cancel().then(() => {161    assert_unreached('cancel() return value should be rejected');162  }, r => {163    assert_true(sourceCancelPromiseHasRejected, 'cancel() return value should be rejected only after the promise returned by the underlying source\'s cancel');164    assert_equals(r, errorInCancel, 'cancel() return value should be rejected with the underlying source\'s rejection reason');165  });166}, 'ReadableStream cancellation: if the underlying source\'s cancel method returns a promise, the promise returned by the stream\'s cancel should reject when that one does');167promise_test(() => {168  const rs = new ReadableStream({169    start() {170      return new Promise(() => {});171    },172    pull() {173      assert_unreached('pull should not have been called');174    }175  });176  return Promise.all([rs.cancel(), rs.getReader().closed]);...

Using AI Code Generation

1var wpt = require('../lib/webpagetest');2var util = require('util');3var wpt = new WebPageTest('www.webpagetest.org');4var location = 'Dulles:Chrome';5var options = {6};7var testId = '170320_9Q_1d1f8a0c6e3d0b3f6d3a3a3c3f3f3f3f';8wpt.errorInCancel(testId, function(err, data) {9  if (err) return console.error(err);10  console.log(util.inspect(data, false, null));11});12## wpt.getTestResults(testId, callback)13var wpt = require('../lib/webpagetest');14var util = require('util');15var wpt = new WebPageTest('www.webpagetest.org');16var location = 'Dulles:Chrome';17var options = {18};19var testId = '170320_9Q_1d1f8a0c6e3d0b3f6d3a3a3c3f3f3f3f';20wpt.getTestResults(testId, function(err, data) {21  if (err) return console.error(err);22  console.log(util.inspect(data, false, null));23});24## wpt.getLocations(callback)25var wpt = require('../lib/webpagetest');26var util = require('util');27var wpt = new WebPageTest('www.web

Using AI Code Generation

1const api = require('wpt-api');2const wpt = new api('API_KEY');3wpt.errorInCancel('test_id', 'location', 'error_message', (err, data) => {4    if (err) {5        console.log(err);6    }7    else {8        console.log(data);9    }10});

Using AI Code Generation

1var wpt = require('webpagetest');2var options = {3};4var webpagetest = new wpt(options);5var testId = '150805_7Y_6e2f6c9f9b9b9c4f4f4f4f4f4f4f4f4f';6var test = webpagetest.test(url, {7}, function (err, data) {8    if (err) {9        console.log(err);10    } else {11        console.log(data);12        webpagetest.errorInCancel(data.data.testId, function (err, data) {13            if (err) {14                console.log(err);15            } else {16                console.log(data);17            }18        });19    }20});

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