How to use sinkWritePromise method in wpt

Best JavaScript code snippet using wpt

write.js

Source:write.js

1'use strict';2if (self.importScripts) {3  self.importScripts('/resources/testharness.js');4  self.importScripts('../resources/test-utils.js');5  self.importScripts('../resources/recording-streams.js');6}7const error1 = new Error('error1');8error1.name = 'error1';9const error2 = new Error('error2');10error2.name = 'error2';11function writeArrayToStream(array, writableStreamWriter) {12  array.forEach(chunk => writableStreamWriter.write(chunk));13  return writableStreamWriter.close();14}15promise_test(() => {16  let storage;17  const ws = new WritableStream({18    start() {19      storage = [];20    },21    write(chunk) {22      return delay(0).then(() => storage.push(chunk));23    },24    close() {25      return delay(0);26    }27  });28  const writer = ws.getWriter();29  const input = [1, 2, 3, 4, 5];30  return writeArrayToStream(input, writer)31      .then(() => assert_array_equals(storage, input, 'correct data should be relayed to underlying sink'));32}, 'WritableStream should complete asynchronous writes before close resolves');33promise_test(() => {34  const ws = recordingWritableStream();35  const writer = ws.getWriter();36  const input = [1, 2, 3, 4, 5];37  return writeArrayToStream(input, writer)38      .then(() => assert_array_equals(ws.events, ['write', 1, 'write', 2, 'write', 3, 'write', 4, 'write', 5, 'close'],39                                      'correct data should be relayed to underlying sink'));40}, 'WritableStream should complete synchronous writes before close resolves');41promise_test(() => {42  const ws = new WritableStream({43    write() {44      return 'Hello';45    }46  });47  const writer = ws.getWriter();48  const writePromise = writer.write('a');49  return writePromise50      .then(value => assert_equals(value, undefined, 'fulfillment value must be undefined'));51}, 'fulfillment value of ws.write() call should be undefined even if the underlying sink returns a non-undefined ' +52    'value');53promise_test(() => {54  let resolveSinkWritePromise;55  const ws = new WritableStream({56    write() {57      return new Promise(resolve => {58        resolveSinkWritePromise = resolve;59      });60    }61  });62  const writer = ws.getWriter();63  assert_equals(writer.desiredSize, 1, 'desiredSize should be 1');64  return writer.ready.then(() => {65    const writePromise = writer.write('a');66    let writePromiseResolved = false;67    assert_not_equals(resolveSinkWritePromise, undefined, 'resolveSinkWritePromise should not be undefined');68    assert_equals(writer.desiredSize, 0, 'desiredSize should be 0 after writer.write()');69    return Promise.all([70      writePromise.then(value => {71        writePromiseResolved = true;72        assert_equals(resolveSinkWritePromise, undefined, 'sinkWritePromise should be fulfilled before writePromise');73        assert_equals(value, undefined, 'writePromise should be fulfilled with undefined');74      }),75      writer.ready.then(value => {76        assert_equals(resolveSinkWritePromise, undefined, 'sinkWritePromise should be fulfilled before writer.ready');77        assert_true(writePromiseResolved, 'writePromise should be fulfilled before writer.ready');78        assert_equals(writer.desiredSize, 1, 'desiredSize should be 1 again');79        assert_equals(value, undefined, 'writePromise should be fulfilled with undefined');80      }),81      flushAsyncEvents().then(() => {82        resolveSinkWritePromise();83        resolveSinkWritePromise = undefined;84      })85    ]);86  });87}, 'WritableStream should transition to waiting until write is acknowledged');88promise_test(t => {89  let sinkWritePromiseRejectors = [];90  const ws = new WritableStream({91    write() {92      const sinkWritePromise = new Promise((r, reject) => sinkWritePromiseRejectors.push(reject));93      return sinkWritePromise;94    }95  });96  const writer = ws.getWriter();97  assert_equals(writer.desiredSize, 1, 'desiredSize should be 1');98  return writer.ready.then(() => {99    const writePromise = writer.write('a');100    assert_equals(sinkWritePromiseRejectors.length, 1, 'there should be 1 rejector');101    assert_equals(writer.desiredSize, 0, 'desiredSize should be 0');102    const writePromise2 = writer.write('b');103    assert_equals(sinkWritePromiseRejectors.length, 1, 'there should be still 1 rejector');104    assert_equals(writer.desiredSize, -1, 'desiredSize should be -1');105    const closedPromise = writer.close();106    assert_equals(writer.desiredSize, -1, 'desiredSize should still be -1');107    return Promise.all([108      promise_rejects(t, error1, closedPromise,109                      'closedPromise should reject with the error returned from the sink\'s write method')110          .then(() => assert_equals(sinkWritePromiseRejectors.length, 0,111                                    'sinkWritePromise should reject before closedPromise')),112      promise_rejects(t, error1, writePromise,113                      'writePromise should reject with the error returned from the sink\'s write method')114          .then(() => assert_equals(sinkWritePromiseRejectors.length, 0,115                                    'sinkWritePromise should reject before writePromise')),116      promise_rejects(t, error1, writePromise2,117                      'writePromise2 should reject with the error returned from the sink\'s write method')118          .then(() => assert_equals(sinkWritePromiseRejectors.length, 0,119                                    'sinkWritePromise should reject before writePromise2')),120      flushAsyncEvents().then(() => {121        sinkWritePromiseRejectors[0](error1);122        sinkWritePromiseRejectors = [];123      })124    ]);125  });126}, 'when write returns a rejected promise, queued writes and close should be cleared');127promise_test(t => {128  const ws = new WritableStream({129    write() {130      throw error1;131    }132  });133  const writer = ws.getWriter();134  return promise_rejects(t, error1, writer.write('a'),135                         'write() should reject with the error returned from the sink\'s write method')136      .then(() => promise_rejects(t, new TypeError(), writer.close(), 'close() should be rejected'));137}, 'when sink\'s write throws an error, the stream should become errored and the promise should reject');138promise_test(t => {139  const ws = new WritableStream({140    write(chunk, controller) {141      controller.error(error1);142      throw error2;143    }144  });145  const writer = ws.getWriter();146  return promise_rejects(t, error2, writer.write('a'),147                         'write() should reject with the error returned from the sink\'s write method ')148  .then(() => {149    return Promise.all([150      promise_rejects(t, error1, writer.ready,151                      'writer.ready must reject with the error passed to the controller'),152      promise_rejects(t, error1, writer.closed,153                      'writer.closed must reject with the error passed to the controller')154    ]);155  });156}, 'writer.write(), ready and closed reject with the error passed to controller.error() made before sink.write' +157    ' rejection');158promise_test(() => {159  const numberOfWrites = 1000;160  let resolveFirstWritePromise;161  let writeCount = 0;162  const ws = new WritableStream({163    write() {164      ++writeCount;165      if (!resolveFirstWritePromise) {166        return new Promise(resolve => {167          resolveFirstWritePromise = resolve;168        });169      }170      return Promise.resolve();171    }172  });173  const writer = ws.getWriter();174  return writer.ready.then(() => {175    for (let i = 1; i < numberOfWrites; ++i) {176      writer.write('a');177    }178    const writePromise = writer.write('a');179    assert_equals(writeCount, 1, 'should have called sink\'s write once');180    resolveFirstWritePromise();181    return writePromise182        .then(() =>183        assert_equals(writeCount, numberOfWrites, `should have called sink's write ${numberOfWrites} times`));184  });185}, 'a large queue of writes should be processed completely');186promise_test(() => {187  const stream = recordingWritableStream();188  const w = stream.getWriter();189  const WritableStreamDefaultWriter = w.constructor;190  w.releaseLock();191  const writer = new WritableStreamDefaultWriter(stream);192  return writer.ready.then(() => {193    writer.write('a');194    assert_array_equals(stream.events, ['write', 'a'], 'write() should be passed to sink');195  });196}, 'WritableStreamDefaultWriter should work when manually constructed');197promise_test(() => {198  let thenCalled = false;199  const ws = new WritableStream({200    write() {201      return {202        then(onFulfilled) {203          thenCalled = true;204          onFulfilled();205        }206      };207    }208  });209  return ws.getWriter().write('a').then(() => assert_true(thenCalled, 'thenCalled should be true'));210}, 'returning a thenable from write() should work');...

Using AI Code Generation

1const wpt = require('wpt');2wpt.sinkWritePromise('test.js', 'Hello World!');3const wpt = require('wpt');4wpt.sinkWritePromise('test.js', 'Hello World!');5const wpt = require('wpt');6wpt.sinkWritePromise('test.js', 'Hello World!');7const wpt = require('wpt');8wpt.sinkWritePromise('test.js', 'Hello World!');9const wpt = require('wpt');10wpt.sinkWritePromise('test.js', 'Hello World!');11const wpt = require('wpt');12wpt.sinkWritePromise('test.js', 'Hello World!');13const wpt = require('wpt');14wpt.sinkWritePromise('test.js', 'Hello World!');15const wpt = require('wpt');16wpt.sinkWritePromise('test.js', 'Hello World!');17const wpt = require('wpt');18wpt.sinkWritePromise('test.js', 'Hello World!');19const wpt = require('wpt');20wpt.sinkWritePromise('test.js', 'Hello World!');21const wpt = require('wpt');22wpt.sinkWritePromise('test.js', 'Hello World!');23const wpt = require('wpt');24wpt.sinkWritePromise('test.js', 'Hello World!');

Using AI Code Generation

1sinkWritePromise = wpt.sinkWritePromise("test.txt", "This is a test file");2sinkWritePromise.then(function(result) {3    console.log(result);4});5sinkWritePromise.catch(function(error) {6    console.log(error);7});8wpt.sinkWrite("test.txt", "This is a test file", function(error, result) {9    if(error) {10        console.log(error);11    } else {12        console.log(result);13    }14});15sinkReadPromise = wpt.sinkReadPromise("test.txt");16sinkReadPromise.then(function(result) {17    console.log(result);18});19sinkReadPromise.catch(function(error) {20    console.log(error);21});22wpt.sinkRead("test.txt", function(error, result) {23    if(error) {24        console.log(error);25    } else {26        console.log(result);27    }28});29sinkDeletePromise = wpt.sinkDeletePromise("test.txt");30sinkDeletePromise.then(function(result) {31    console.log(result);32});33sinkDeletePromise.catch(function(error) {34    console.log(error);35});36wpt.sinkDelete("test.txt", function(error, result) {37    if(error) {38        console.log(error);39    } else {40        console.log(result);41    }42});43sinkListPromise = wpt.sinkListPromise();44sinkListPromise.then(function(result) {45    console.log(result);46});47sinkListPromise.catch(function(error) {48    console.log(error);49});50wpt.sinkList(function(error, result) {51    if(error) {52        console.log(error);53    } else {54        console.log(result);55    }56});57sinkExistsPromise = wpt.sinkExistsPromise("test.txt");58sinkExistsPromise.then(function(result) {59    console.log(result);60});61sinkExistsPromise.catch(function(error)

Using AI Code Generation

1const wptools = require('wptools');2const fs = require('fs');3const sink = fs.createWriteStream('output.txt');4wptools.page('Barack_Obama').get()5  .then(page => page.sinkWritePromise(sink))6  .then(() => {7    console.log('done writing');8    sink.end();9  })10  .catch(err => console.log(err));

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var stream = fs.createWriteStream('test.txt');4var promise = wptools.sinkWritePromise(stream);5var wp = new wptools();6wp.set('input', 'test');7wp.sinkWrite(stream);8stream.end();9wp.sinkWrite(stream).then(function(){10stream.end();11});12wp.sinkWrite(stream).then(function(){13stream.end();14});15wp.sinkWrite(stream).then(function(){16stream.end();17});18wp.sinkWrite(stream).then(function(){19stream.end();20});21wp.sinkWrite(stream).then(function(){22stream.end();23});24wp.sinkWrite(stream).then(function(){25stream.end();26});27wp.sinkWrite(stream).then(function(){28stream.end();29});30wp.sinkWrite(stream).then(function(){31stream.end();32});33wp.sinkWrite(stream).then(function(){34stream.end();35});36wp.sinkWrite(stream).then(function(){37stream.end();38});39wp.sinkWrite(stream).then(function(){40stream.end();41});42wp.sinkWrite(stream).then(function(){43stream.end();44});45wp.sinkWrite(stream).then(function(){46stream.end();47});48wp.sinkWrite(stream).then(function(){49stream.end();50});51wp.sinkWrite(stream).then(function(){52stream.end();53});

Using AI Code Generation

1const wpt = new WritableStreamDefaultWriter(sink);2const writePromise = wpt.writePromise(chunk);3writePromise.then(() => {4  wpt.close();5  console.log('write complete');6}).catch(e => console.error(e));7const wpt = new WritableStreamDefaultWriter(sink);8wpt.write(chunk);9wpt.close();10console.log('write complete');

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