Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use createErroredWritableStream method in wpt

Best JavaScript code snippet using wpt

multiple-propagation.any.js

Source:multiple-propagation.any.js

...5const error1 = new Error('error1!');6error1.name = 'error1';7const error2 = new Error('error2!');8error2.name = 'error2';9function createErroredWritableStream(t) {10  return Promise.resolve().then(() => {11    const ws = recordingWritableStream({12      start(c) {13        c.error(error2);14      }15    });16    const writer = ws.getWriter();17    return promise_rejects_exactly(t, error2, writer.closed, 'the writable stream must be errored with error2')18        .then(() => {19          writer.releaseLock();20          assert_array_equals(ws.events, []);21          return ws;22        });23  });24}25promise_test(t => {26  const rs = recordingReadableStream({27    start(c) {28      c.error(error1);29    }30  });31  const ws = recordingWritableStream({32    start(c) {33      c.error(error2);34    }35  });36  // Trying to abort a stream that is erroring will give the writable's error37  return promise_rejects_exactly(t, error2, rs.pipeTo(ws), 'pipeTo must reject with the writable stream\'s error').then(() => {38    assert_array_equals(rs.events, []);39    assert_array_equals(ws.events, []);40    return Promise.all([41      promise_rejects_exactly(t, error1, rs.getReader().closed, 'the readable stream must be errored with error1'),42      promise_rejects_exactly(t, error2, ws.getWriter().closed, 'the writable stream must be errored with error2')43    ]);44  });45}, 'Piping from an errored readable stream to an erroring writable stream');46promise_test(t => {47  const rs = recordingReadableStream({48    start(c) {49      c.error(error1);50    }51  });52  return createErroredWritableStream(t)53      .then(ws => promise_rejects_exactly(t, error1, rs.pipeTo(ws), 'pipeTo must reject with the readable stream\'s error'))54      .then(() => {55        assert_array_equals(rs.events, []);56        return promise_rejects_exactly(t, error1, rs.getReader().closed, 'the readable stream must be errored with error1');57      });58}, 'Piping from an errored readable stream to an errored writable stream');59promise_test(t => {60  const rs = recordingReadableStream({61    start(c) {62      c.error(error1);63    }64  });65  const ws = recordingWritableStream({66    start(c) {67      c.error(error2);68    }69  });70  return promise_rejects_exactly(t, error1, rs.pipeTo(ws, { preventAbort: true }),71    'pipeTo must reject with the readable stream\'s error')72  .then(() => {73    assert_array_equals(rs.events, []);74    assert_array_equals(ws.events, []);75    return Promise.all([76      promise_rejects_exactly(t, error1, rs.getReader().closed, 'the readable stream must be errored with error1'),77      promise_rejects_exactly(t, error2, ws.getWriter().closed, 'the writable stream must be errored with error2')78    ]);79  });80}, 'Piping from an errored readable stream to an erroring writable stream; preventAbort = true');81promise_test(t => {82  const rs = recordingReadableStream({83    start(c) {84      c.error(error1);85    }86  });87  return createErroredWritableStream(t)88  .then(ws => promise_rejects_exactly(t, error1, rs.pipeTo(ws, { preventAbort: true }),89                                      'pipeTo must reject with the readable stream\'s error'))90  .then(() => {91    assert_array_equals(rs.events, []);92    return promise_rejects_exactly(t, error1, rs.getReader().closed, 'the readable stream must be errored with error1');93  });94}, 'Piping from an errored readable stream to an errored writable stream; preventAbort = true');95promise_test(t => {96  const rs = recordingReadableStream({97    start(c) {98      c.error(error1);99    }100  });101  const ws = recordingWritableStream();102  const writer = ws.getWriter();103  const closePromise = writer.close();104  writer.releaseLock();105  return promise_rejects_exactly(t, error1, rs.pipeTo(ws), 'pipeTo must reject with the readable stream\'s error').then(() => {106    assert_array_equals(rs.events, []);107    assert_array_equals(ws.events, ['abort', error1]);108    return Promise.all([109      promise_rejects_exactly(t, error1, rs.getReader().closed, 'the readable stream must be errored with error1'),110      promise_rejects_exactly(t, error1, ws.getWriter().closed,111        'closed must reject with error1'),112      promise_rejects_exactly(t, error1, closePromise,113        'close() must reject with error1')114    ]);115  });116}, 'Piping from an errored readable stream to a closing writable stream');117promise_test(t => {118  const rs = recordingReadableStream({119    start(c) {120      c.error(error1);121    }122  });123  const ws = recordingWritableStream();124  const writer = ws.getWriter();125  const closePromise = writer.close();126  writer.releaseLock();127  return flushAsyncEvents().then(() => {128    return promise_rejects_exactly(t, error1, rs.pipeTo(ws), 'pipeTo must reject with the readable stream\'s error').then(() => {129      assert_array_equals(rs.events, []);130      assert_array_equals(ws.events, ['close']);131      return Promise.all([132        promise_rejects_exactly(t, error1, rs.getReader().closed, 'the readable stream must be errored with error1'),133        ws.getWriter().closed,134        closePromise135      ]);136    });137  });138}, 'Piping from an errored readable stream to a closed writable stream');139promise_test(t => {140  const rs = recordingReadableStream({141    start(c) {142      c.close();143    }144  });145  const ws = recordingWritableStream({146    start(c) {147      c.error(error1);148    }149  });150  return promise_rejects_exactly(t, error1, rs.pipeTo(ws), 'pipeTo must reject with the writable stream\'s error').then(() => {151    assert_array_equals(rs.events, []);152    assert_array_equals(ws.events, []);153    return Promise.all([154      rs.getReader().closed,155      promise_rejects_exactly(t, error1, ws.getWriter().closed, 'the writable stream must be errored with error1')156    ]);157  });158}, 'Piping from a closed readable stream to an erroring writable stream');159promise_test(t => {160  const rs = recordingReadableStream({161    start(c) {162      c.close();163    }164  });165  return createErroredWritableStream(t)166  .then(ws => promise_rejects_exactly(t, error2, rs.pipeTo(ws), 'pipeTo must reject with the writable stream\'s error'))167  .then(() => {168    assert_array_equals(rs.events, []);169    return rs.getReader().closed;170  });171}, 'Piping from a closed readable stream to an errored writable stream');172promise_test(() => {173  const rs = recordingReadableStream({174    start(c) {175      c.close();176    }177  });178  const ws = recordingWritableStream();179  const writer = ws.getWriter();...

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var stream = fs.createWriteStream('output.txt');4var errStream = wptools.createErroredWritableStream(stream);5errStream.on('error', function (err) {6  console.log('error', err);7});8errStream.write('hello');9errStream.write('hello');10errStream.end();11var wptools = require('wptools');12var fs = require('fs');13var stream = fs.createWriteStream('output.txt');14var errStream = wptools.createErroredWritableStream(stream);15errStream.on('error', function (err) {16  console.log('error', err);17});18errStream.write('hello');19errStream.write('hello');20errStream.end();21var wptools = require('wptools');22var fs = require('fs');23var stream = fs.createWriteStream('output.txt');24var errStream = wptools.createErroredWritableStream(stream);25errStream.on('error', function (err) {26  console.log('error', err);27});28errStream.write('hello');29errStream.write('hello');30errStream.end();31var wptools = require('wptools');32var fs = require('fs');33var stream = fs.createWriteStream('output.txt');34var errStream = wptools.createErroredWritableStream(stream);35errStream.on('error', function (err) {36  console.log('error', err);37});38errStream.write('hello');39errStream.write('hello');40errStream.end();

Using AI Code Generation

1const { createErroredWritableStream } = require('web-streams-polyfill/ponyfill');2const readableStream = new ReadableStream({3  start(controller) {4    console.log('[start]');5    controller.enqueue('a');6    controller.enqueue('b');7    controller.enqueue('c');8  },9  pull(controller) {10    console.log('[pull]');11  },12  cancel(reason) {13    console.log('[cancel]', reason);14  }15});16const writableStream = createErroredWritableStream();17const transformStream = new TransformStream({18  transform(chunk, controller) {19    console.log('[transform]', chunk);20    controller.enqueue(chunk);21  },22  flush(controller) {23    console.log('[flush]');24  }25});26const pipeChain = readableStream.pipeThrough(transformStream).pipeTo(writableStream);27pipeChain.then(28  () => console.log('[success]'),29  e => console.log('[failure]', e)30);31### `createErroredWritableStream()`32[MIT](./LICENSE)

Using AI Code Generation

1var wptools = require('wptools');2var stream = wptools.createErroredWritableStream();3stream.on('error', function(err) {4  console.log('Error: ', err);5});6stream.write('some data');7stream.write('some more data');8stream.end();

Using AI Code Generation

1const wptools = require('wp-tools');2const fs = require('fs');3const testStream = wptools.createErroredWritableStream();4testStream.on('error', (err) => {5  console.error(err);6});7fs.createReadStream('./test.txt').pipe(testStream);8    at WriteStream.<anonymous> (/home/username/test.js:8:8)9    at WriteStream.emit (events.js:198:13)10    at WriteStream.EventEmitter.emit (domain.js:448:20)11    at WriteStream.onerror (_stream_readable.js:713:12)12    at WriteStream.emit (events.js:203:15)13    at WriteStream.EventEmitter.emit (domain.js:448:20)14    at WriteStream.onerror (_stream_readable.js:713:12)15    at WriteStream.emit (events.js:203:15)16    at WriteStream.EventEmitter.emit (domain.js:448:20)17    at WriteStream.onerror (_stream_readable.js:713:12)

Using AI Code Generation

1var wptools = require('wptools');2var ws = wptools.createErroredWritableStream();3ws.write('Hello');4ws.write('World');5ws.end();6var rs = wptools.createErroredReadableStream();7rs.on('data', function(data) {8    console.log(data);9});10rs.on('end', function() {11    console.log('Done');12});13var ts = wptools.createErroredTransformStream();14ts.on('data', function(data) {15    console.log(data);16});17ts.on('end', function() {18    console.log('Done');19});20ts.write('Hello');21ts.write('World');22ts.end();23var ds = wptools.createErroredDuplexStream();24ds.on('data', function(data) {25    console.log(data);26});27ds.on('end', function() {28    console.log('Done');29});30ds.write('Hello');31ds.write('World');32ds.end();33var ps = wptools.createErroredPassThroughStream();34ps.on('data', function(data) {35    console.log(data);36});37ps.on('end', function() {38    console.log('Done');39});40ps.write('Hello');41ps.write('World');42ps.end();43var ts = wptools.createErroredTransformStream();44ts.on('data', function(data) {45    console.log(data);46});47ts.on('end', function() {48    console.log('Done');49});50ts.write('Hello');51ts.write('World');52ts.end();53var ts = wptools.createErroredTransformStream();54ts.on('data', function(data) {55    console.log(data);56});57ts.on('end', function() {58    console.log('Done');59});60ts.write('Hello');61ts.write('World');62ts.end();63var ts = wptools.createErroredTransformStream();64ts.on('data', function(data) {65    console.log(data);66});67ts.on('end', function() {

Using AI Code Generation

1const wptools = require('wptools');2const fs = require('fs');3const stream = wptools.createErroredWritableStream('./test.txt');4fs.createReadStream('./test.txt').pipe(stream);5stream.on('error', err => {6    console.log('error', err);7});8stream.on('finish', () => {9    console.log('finished');10});11const wptools = require('wptools');12const fs = require('fs');13const stream = wptools.createErroredWritableStream('./test.txt');14fs.createReadStream('./test.txt').pipe(stream);15stream.on('error', err => {16    console.log('error', err);17});18stream.on('finish', () => {19    console.log('finished');20});

Using AI Code Generation

1var test = async_test("WritableStream with byte source: write() should reject if the underlying sink's write() rejects with a non-Error object");2var ws = new WritableStream({3  write() {4    return Promise.reject({ name: 'Not a real error' });5  }6});7var writer = ws.getWriter();8writer.write('a').then(9  () => test.step(() => assert_unreached('write() should reject')),10  () => test.done()11);12<title>WritableStream with byte source: write() should reject if the underlying sink's write() rejects with a non-Error object</title>13var test = async_test("WritableStream with byte source: write() should reject if the underlying sink's write() rejects with a non-Error object");14var ws = new WritableStream({15  write() {16    return Promise.reject({ name: 'Not a real error' });17  }18});19var writer = ws.getWriter();20writer.write('a').then(21  () => test.step(() => assert_unreached('write() should reject')),22  () => test.done()23);24<title>WritableStream with byte source: write() should reject if the underlying sink's write() rejects with a non-Error object</title>

Using AI Code Generation

1const { createErroredWritableStream } = require('web-platform-tests-helpers');2const writable = createErroredWritableStream(new Error('something went wrong'));3### `createWritableStream()`4const { createWritableStream } = require('web-platform-tests-helpers');5const writable = createWritableStream();6### `createWritableStreamWithQueuedWrites()`7const { createWritableStreamWithQueuedWrites } = require('web-platform-tests-helpers');8const writable = createWritableStreamWithQueuedWrites(['hello', 'world']);9### `createWritableStreamWithQueuedWritesAndAbort()`10const { createWritableStreamWithQueuedWritesAndAbort } = require('web-platform-tests-helpers');11const writable = createWritableStreamWithQueuedWritesAndAbort(['hello', 'world'], new Error('something went wrong'));12### `createWritableStreamWithQueuedWritesAndClose()`13const { createWritableStreamWithQueuedWritesAndClose } = require('web-platform-tests-helpers');14const writable = createWritableStreamWithQueuedWritesAndClose(['hello', 'world']);15### `createWritableStreamWithQueuedWritesAndCloseAndAbort()`

Using AI Code Generation

1const createErroredWritableStream = require('wptreport').createErroredWritableStream;2const streamPromise = createErroredWritableStream('test.txt');3const writeReport = require('wptreport').writeReport;4writeReport(streamPromise, 'test.txt', 'test report');5const createErroredWritableStream = require('wptreport').createErroredWritableStream;6const streamPromise = createErroredWritableStream('test.txt');7const writeReport = require('wptreport').writeReport;8writeReport(streamPromise, 'test.txt', 'test report');9const createErroredWritableStream = require('wptreport').createErroredWritableStream;10const streamPromise = createErroredWritableStream('test.txt');11const writeReport = require('wptreport').writeReport;12writeReport(streamPromise, 'test.txt', 'test report');13const createErroredWritableStream = require('wptreport').createErroredWritableStream;14const streamPromise = createErroredWritableStream('test.txt');15const writeReport = require('wptreport').writeReport;16writeReport(streamPromise, 'test.txt', 'test report');

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.