How to use branch2Reads method in wpt

Best JavaScript code snippet using wpt

tee.any.js

Source:tee.any.js

1// META: global=window,worker,jsshell2// META: script=../resources/rs-utils.js3// META: script=../resources/test-utils.js4// META: script=../resources/recording-streams.js5// META: script=../resources/rs-test-templates.js6'use strict';7test(() => {8  const rs = new ReadableStream();9  const result = rs.tee();10  assert_true(Array.isArray(result), 'return value should be an array');11  assert_equals(result.length, 2, 'array should have length 2');12  assert_equals(result[0].constructor, ReadableStream, '0th element should be a ReadableStream');13  assert_equals(result[1].constructor, ReadableStream, '1st element should be a ReadableStream');14}, 'ReadableStream teeing: rs.tee() returns an array of two ReadableStreams');15promise_test(t => {16  const rs = new ReadableStream({17    start(c) {18      c.enqueue('a');19      c.enqueue('b');20      c.close();21    }22  });23  const branch = rs.tee();24  const branch1 = branch[0];25  const branch2 = branch[1];26  const reader1 = branch1.getReader();27  const reader2 = branch2.getReader();28  reader2.closed.then(t.unreached_func('branch2 should not be closed'));29  return Promise.all([30    reader1.closed,31    reader1.read().then(r => {32      assert_object_equals(r, { value: 'a', done: false }, 'first chunk from branch1 should be correct');33    }),34    reader1.read().then(r => {35      assert_object_equals(r, { value: 'b', done: false }, 'second chunk from branch1 should be correct');36    }),37    reader1.read().then(r => {38      assert_object_equals(r, { value: undefined, done: true }, 'third read() from branch1 should be done');39    }),40    reader2.read().then(r => {41      assert_object_equals(r, { value: 'a', done: false }, 'first chunk from branch2 should be correct');42    })43  ]);44}, 'ReadableStream teeing: should be able to read one branch to the end without affecting the other');45promise_test(() => {46  const theObject = { the: 'test object' };47  const rs = new ReadableStream({48    start(c) {49      c.enqueue(theObject);50    }51  });52  const branch = rs.tee();53  const branch1 = branch[0];54  const branch2 = branch[1];55  const reader1 = branch1.getReader();56  const reader2 = branch2.getReader();57  return Promise.all([reader1.read(), reader2.read()]).then(values => {58    assert_object_equals(values[0], values[1], 'the values should be equal');59  });60}, 'ReadableStream teeing: values should be equal across each branch');61promise_test(t => {62  const theError = { name: 'boo!' };63  const rs = new ReadableStream({64    start(c) {65      c.enqueue('a');66      c.enqueue('b');67    },68    pull() {69      throw theError;70    }71  });72  const branches = rs.tee();73  const reader1 = branches[0].getReader();74  const reader2 = branches[1].getReader();75  reader1.label = 'reader1';76  reader2.label = 'reader2';77  return Promise.all([78    promise_rejects_exactly(t, theError, reader1.closed),79    promise_rejects_exactly(t, theError, reader2.closed),80    reader1.read().then(r => {81      assert_object_equals(r, { value: 'a', done: false }, 'should be able to read the first chunk in branch1');82    }),83    reader1.read().then(r => {84      assert_object_equals(r, { value: 'b', done: false }, 'should be able to read the second chunk in branch1');85      return promise_rejects_exactly(t, theError, reader2.read());86    })87    .then(() => promise_rejects_exactly(t, theError, reader1.read()))88  ]);89}, 'ReadableStream teeing: errors in the source should propagate to both branches');90promise_test(() => {91  const rs = new ReadableStream({92    start(c) {93      c.enqueue('a');94      c.enqueue('b');95      c.close();96    }97  });98  const branches = rs.tee();99  const branch1 = branches[0];100  const branch2 = branches[1];101  branch1.cancel();102  return Promise.all([103    readableStreamToArray(branch1).then(chunks => {104      assert_array_equals(chunks, [], 'branch1 should have no chunks');105    }),106    readableStreamToArray(branch2).then(chunks => {107      assert_array_equals(chunks, ['a', 'b'], 'branch2 should have two chunks');108    })109  ]);110}, 'ReadableStream teeing: canceling branch1 should not impact branch2');111promise_test(() => {112  const rs = new ReadableStream({113    start(c) {114      c.enqueue('a');115      c.enqueue('b');116      c.close();117    }118  });119  const branches = rs.tee();120  const branch1 = branches[0];121  const branch2 = branches[1];122  branch2.cancel();123  return Promise.all([124    readableStreamToArray(branch1).then(chunks => {125      assert_array_equals(chunks, ['a', 'b'], 'branch1 should have two chunks');126    }),127    readableStreamToArray(branch2).then(chunks => {128      assert_array_equals(chunks, [], 'branch2 should have no chunks');129    })130  ]);131}, 'ReadableStream teeing: canceling branch2 should not impact branch1');132templatedRSTeeCancel('ReadableStream teeing', (extras) => {133  return new ReadableStream({ ...extras });134});135promise_test(t => {136  let controller;137  const stream = new ReadableStream({ start(c) { controller = c; } });138  const [branch1, branch2] = stream.tee();139  const error = new Error();140  error.name = 'distinctive';141  // Ensure neither branch is waiting in ReadableStreamDefaultReaderRead().142  controller.enqueue();143  controller.enqueue();144  return delay(0).then(() => {145    // This error will have to be detected via [[closedPromise]].146    controller.error(error);147    const reader1 = branch1.getReader();148    const reader2 = branch2.getReader();149    return Promise.all([150      promise_rejects_exactly(t, error, reader1.closed, 'reader1.closed should reject'),151      promise_rejects_exactly(t, error, reader2.closed, 'reader2.closed should reject')152    ]);153  });154}, 'ReadableStream teeing: erroring a teed stream should error both branches');155promise_test(() => {156  let controller;157  const rs = new ReadableStream({158    start(c) {159      controller = c;160    }161  });162  const branches = rs.tee();163  const reader1 = branches[0].getReader();164  const reader2 = branches[1].getReader();165  const promise = Promise.all([reader1.closed, reader2.closed]);166  controller.close();167  return promise;168}, 'ReadableStream teeing: closing the original should immediately close the branches');169promise_test(t => {170  let controller;171  const rs = new ReadableStream({172    start(c) {173      controller = c;174    }175  });176  const branches = rs.tee();177  const reader1 = branches[0].getReader();178  const reader2 = branches[1].getReader();179  const theError = { name: 'boo!' };180  const promise = Promise.all([181    promise_rejects_exactly(t, theError, reader1.closed),182    promise_rejects_exactly(t, theError, reader2.closed)183  ]);184  controller.error(theError);185  return promise;186}, 'ReadableStream teeing: erroring the original should immediately error the branches');187promise_test(async t => {188  let controller;189  const rs = new ReadableStream({190    start(c) {191      controller = c;192    }193  });194  const [reader1, reader2] = rs.tee().map(branch => branch.getReader());195  const cancelPromise = reader2.cancel();196  controller.enqueue('a');197  const read1 = await reader1.read();198  assert_object_equals(read1, { value: 'a', done: false }, 'first read() from branch1 should fulfill with the chunk');199  controller.close();200  const read2 = await reader1.read();201  assert_object_equals(read2, { value: undefined, done: true }, 'second read() from branch1 should be done');202  await Promise.all([203    reader1.closed,204    cancelPromise205  ]);206}, 'ReadableStream teeing: canceling branch1 should finish when branch2 reads until end of stream');207promise_test(async t => {208  let controller;209  const theError = { name: 'boo!' };210  const rs = new ReadableStream({211    start(c) {212      controller = c;213    }214  });215  const [reader1, reader2] = rs.tee().map(branch => branch.getReader());216  const cancelPromise = reader2.cancel();217  controller.error(theError);218  await Promise.all([219    promise_rejects_exactly(t, theError, reader1.read()),220    cancelPromise221  ]);222}, 'ReadableStream teeing: canceling branch1 should finish when original stream errors');223promise_test(async () => {224  const rs = new ReadableStream({});225  const [branch1, branch2] = rs.tee();226  const cancel1 = branch1.cancel();227  await flushAsyncEvents();228  const cancel2 = branch2.cancel();229  await Promise.all([cancel1, cancel2]);230}, 'ReadableStream teeing: canceling both branches in sequence with delay');231promise_test(async t => {232  const theError = { name: 'boo!' };233  const rs = new ReadableStream({234    cancel() {235      throw theError;236    }237  });238  const [branch1, branch2] = rs.tee();239  const cancel1 = branch1.cancel();240  await flushAsyncEvents();241  const cancel2 = branch2.cancel();242  await Promise.all([243    promise_rejects_exactly(t, theError, cancel1),244    promise_rejects_exactly(t, theError, cancel2)245  ]);246}, 'ReadableStream teeing: failing to cancel when canceling both branches in sequence with delay');247test(t => {248  // Copy original global.249  const oldReadableStream = ReadableStream;250  const getReader = ReadableStream.prototype.getReader;251  const origRS = new ReadableStream();252  // Replace the global ReadableStream constructor with one that doesn't work.253  ReadableStream = function() {254    throw new Error('global ReadableStream constructor called');255  };256  t.add_cleanup(() => {257    ReadableStream = oldReadableStream;258  });259  // This will probably fail if the global ReadableStream constructor was used.260  const [rs1, rs2] = origRS.tee();261  // These will definitely fail if the global ReadableStream constructor was used.262  assert_not_equals(getReader.call(rs1), undefined, 'getReader should work on rs1');263  assert_not_equals(getReader.call(rs2), undefined, 'getReader should work on rs2');264}, 'ReadableStreamTee should not use a modified ReadableStream constructor from the global object');265promise_test(t => {266  const rs = recordingReadableStream({}, { highWaterMark: 0 });267  // Create two branches, each with a HWM of 1. This should result in one268  // chunk being pulled, not two.269  rs.tee();270  return flushAsyncEvents().then(() => {271    assert_array_equals(rs.events, ['pull'], 'pull should only be called once');272  });273}, 'ReadableStreamTee should not pull more chunks than can fit in the branch queue');274promise_test(t => {275  const rs = recordingReadableStream({276    pull(controller) {277      controller.enqueue('a');278    }279  }, { highWaterMark: 0 });280  const [reader1, reader2] = rs.tee().map(branch => branch.getReader());281  return Promise.all([reader1.read(), reader2.read()])282      .then(() => {283    assert_array_equals(rs.events, ['pull', 'pull'], 'pull should be called twice');284  });285}, 'ReadableStreamTee should only pull enough to fill the emptiest queue');286promise_test(t => {287  const rs = recordingReadableStream({}, { highWaterMark: 0 });288  const theError = { name: 'boo!' };289  rs.controller.error(theError);290  const [reader1, reader2] = rs.tee().map(branch => branch.getReader());291  return flushAsyncEvents().then(() => {292    assert_array_equals(rs.events, [], 'pull should not be called');293    return Promise.all([294      promise_rejects_exactly(t, theError, reader1.closed),295      promise_rejects_exactly(t, theError, reader2.closed)296    ]);297  });298}, 'ReadableStreamTee should not pull when original is already errored');299for (const branch of [1, 2]) {300  promise_test(t => {301    const rs = recordingReadableStream({}, { highWaterMark: 0 });302    const theError = { name: 'boo!' };303    const [reader1, reader2] = rs.tee().map(branch => branch.getReader());304    return flushAsyncEvents().then(() => {305      assert_array_equals(rs.events, ['pull'], 'pull should be called once');306      rs.controller.enqueue('a');307      const reader = (branch === 1) ? reader1 : reader2;308      return reader.read();309    }).then(() => flushAsyncEvents()).then(() => {310      assert_array_equals(rs.events, ['pull', 'pull'], 'pull should be called twice');311      rs.controller.error(theError);312      return Promise.all([313        promise_rejects_exactly(t, theError, reader1.closed),314        promise_rejects_exactly(t, theError, reader2.closed)315      ]);316    }).then(() => flushAsyncEvents()).then(() => {317      assert_array_equals(rs.events, ['pull', 'pull'], 'pull should be called twice');318    });319  }, `ReadableStreamTee stops pulling when original stream errors while branch ${branch} is reading`);320}321promise_test(t => {322  const rs = recordingReadableStream({}, { highWaterMark: 0 });323  const theError = { name: 'boo!' };324  const [reader1, reader2] = rs.tee().map(branch => branch.getReader());325  return flushAsyncEvents().then(() => {326    assert_array_equals(rs.events, ['pull'], 'pull should be called once');327    rs.controller.enqueue('a');328    return Promise.all([reader1.read(), reader2.read()]);329  }).then(() => flushAsyncEvents()).then(() => {330    assert_array_equals(rs.events, ['pull', 'pull'], 'pull should be called twice');331    rs.controller.error(theError);332    return Promise.all([333      promise_rejects_exactly(t, theError, reader1.closed),334      promise_rejects_exactly(t, theError, reader2.closed)335    ]);336  }).then(() => flushAsyncEvents()).then(() => {337    assert_array_equals(rs.events, ['pull', 'pull'], 'pull should be called twice');338  });339}, 'ReadableStreamTee stops pulling when original stream errors while both branches are reading');340promise_test(async () => {341  const rs = recordingReadableStream();342  const [reader1, reader2] = rs.tee().map(branch => branch.getReader());343  const branch1Reads = [reader1.read(), reader1.read()];344  const branch2Reads = [reader2.read(), reader2.read()];345  await flushAsyncEvents();346  rs.controller.enqueue('a');347  rs.controller.close();348  assert_object_equals(await branch1Reads[0], { value: 'a', done: false }, 'first chunk from branch1 should be correct');349  assert_object_equals(await branch2Reads[0], { value: 'a', done: false }, 'first chunk from branch2 should be correct');350  assert_object_equals(await branch1Reads[1], { value: undefined, done: true }, 'second read() from branch1 should be done');351  assert_object_equals(await branch2Reads[1], { value: undefined, done: true }, 'second read() from branch2 should be done');...

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var path = require('path');4var async = require('async');5var input = fs.readFileSync(path.join(__dirname, 'input.txt')).toString();6var lines = input.split('\n');7async.eachSeries(lines, function(line, cb) {8  var title = line.trim();9  if (!title) return cb();10  wptools.page(title).branch2Reads(function(err, resp) {11    if (err) return cb(err);12    console.log(resp);13    cb();14  });15}, function(err) {16  if (err) console.error(err);17  console.log('done');18});

Using AI Code Generation

1var wptools = require('wptools');2var page = wptools.page('Barack Obama');3page.branch2Reads()4.then(function(result) {5	console.log(result);6});7var wptools = require('wptools');8var page = wptools.page('Barack Obama');9page.branch2Reads()10.then(function(result) {11	console.log(result);12});13var wptools = require('wptools');14var page = wptools.page('Barack Obama');15page.branch2Reads()16.then(function(result) {17	console.log(result);18});19var wptools = require('wptools');20var page = wptools.page('Barack Obama');21page.branch2Reads()22.then(function(result) {23	console.log(result);24});25var wptools = require('wptools');26var page = wptools.page('Barack Obama');27page.branch2Reads()28.then(function(result) {29	console.log(result);30});31var wptools = require('wptools');32var page = wptools.page('Barack Obama');33page.branch2Reads()34.then(function(result) {35	console.log(result);36});37var wptools = require('wptools');38var page = wptools.page('Barack Obama');39page.branch2Reads()40.then(function(result) {41	console.log(result);42});43var wptools = require('wptools');44var page = wptools.page('Barack Obama');45page.branch2Reads()46.then(function(result) {47	console.log(result);48});49var wptools = require('wptools');50var page = wptools.page('Barack Obama');

Using AI Code Generation

1var wptree = require('wptree');2var tree = wptree.createTree();3var branch = tree.branch2Reads('A', 'B', 'C', 'D', 'E', 'F', 'G');4console.log(branch);5var wptree = require('wptree');6var tree = wptree.createTree();7var branch = tree.branch2Reads('A', 'B', 'C', 'D', 'E', 'F', 'G');8console.log(branch);9var wptree = require('wptree');10var tree = wptree.createTree();11var branch = tree.branch2Reads('A', 'B', 'C', 'D', 'E', 'F', 'G');12console.log(branch);13var wptree = require('wptree');14var tree = wptree.createTree();15var branch = tree.branch2Reads('A', 'B', 'C', 'D', 'E', 'F', 'G');16console.log(branch);17var wptree = require('wptree');18var tree = wptree.createTree();19var branch = tree.branch2Reads('A', 'B', 'C', 'D', 'E', 'F', 'G');20console.log(branch);

Using AI Code Generation

1var wptree = require("wptree");2var tree = new wptree();3tree.branch2Reads("branch1", "branch2");4var tree = new wptree();5tree.branch2Reads("branch1", "branch2");6var tree = new wptree();7tree.branch2Reads("branch1", "branch2");8var tree = new wptree();9tree.branch2Reads("branch1", "branch2");10var tree = new wptree();11tree.branch2Reads("branch1", "branch2");12var tree = new wptree();13tree.branch2Reads("branch1", "branch2");14var tree = new wptree();15tree.branch2Reads("branch1", "branch2");16var tree = new wptree();17tree.branch2Reads("branch1", "branch2");18var tree = new wptree();19tree.branch2Reads("branch1", "branch2");20var tree = new wptree();21tree.branch2Reads("branch1", "branch2");22var tree = new wptree();23tree.branch2Reads("branch1", "branch2");24var tree = new wptree();25tree.branch2Reads("branch1", "branch2");26var tree = new wptree();27tree.branch2Reads("branch1", "branch2");28var tree = new wptree();29tree.branch2Reads("branch1", "branch2");

Using AI Code Generation

1var wpt = require('wpt');2var wpt = new WebPageTest('www.webpagetest.org');3var location = 'ec2-us-west-1:Chrome';4var options = {5};6wpt.runTest(url, options, function(err, data) {7    if (err) return console.log(err);8    console.log(data);9    wpt.getTestResults(data.data.testId, function(err, data) {10        if (err) return console.log(err);11        console.log(data);12    });13});14}, function(err, data) {15    if (err) return console.log(err);16    console.log(data);17});18    if (err) return console.log(err);19    console.log(data);20});21}, function(err, data) {22    if (err) return console.log(err);23    console.log(data);24});25wpt.getTestResults('131215_3V_1J', function(err, data) {26    if (err) return console.log(err);27    console.log(data);28});29wpt.getTestResults('131215_3V_1J', function(err, data) {30    if (err) return console.log(err);31    console.log(data);32});

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