How to use branch1Reads method in wpt

Best JavaScript code snippet using wpt

tee.any.js

Source:tee.any.js Github

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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');...

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Using AI Code Generation

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1var wptools = require('wptools');2var wp = wptools.page('Barack Obama');3wp.get(function(err, data) {4 wp.branch1Reads(function(err, data) {5 console.log(data);6 });7});

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Using AI Code Generation

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1var wptools = require('wptools');2var wiki = wptools.page('Barack_Obama');3wiki.get(function(err,page){4 if(err){5 console.log("Error: " + err);6 }7 else{8 console.log(page.branch1Reads());9 }10});11{

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Using AI Code Generation

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1var wptools = require('wptools');2var fs = require('fs');3var branch1Reads = wptools.branch1Reads();4var branch1ReadsPerMillion = wptools.branch1ReadsPerMillion();5console.log("Number of branch1 reads: " + branch1Reads);6console.log("Number of branch1 reads per million: " + branch1ReadsPerMillion);7fs.writeFileSync('branch1Reads.txt', branch1Reads);8fs.writeFileSync('branch1ReadsPerMillion.txt', branch1ReadsPerMillion);

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Using AI Code Generation

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1var wpt = require('webpagetest');2var client = wpt('A.0e2c0f2b2d8c8e0e0b3f1d3d3c3c8b2f');3client.getLocations(function(err, data) {4 if (err) return console.error(err);5 console.log(data);6});7}, function(err, data) {8 if (err) return console.error(err);9 console.log(data);10});11client.getTestStatus('150515_7P_3e2e', function(err, data) {12 if (err) return console.error(err);13 console.log(data);14});15client.getTestResults('150515_7P_3e2e', function(err, data) {16 if (err) return console.error(err);17 console.log(data);18});19client.getTestResults('150515_7P_3e2e', {breakdown: true}, function(err, data) {20 if (err) return console.error(err);21 console.log(data);22});23client.getTestResults('150515_7P_3e2e', {pagespeed: true}, function(err, data) {24 if (err) return console.error(err);25 console.log(data);26});27client.getTestResults('150515_7P_3e2e', {pagespeed: 2}, function(err, data) {28 if (err) return console.error(err);29 console.log(data);30});31client.getTestResults('150515_7P_3e2e', {pagespeed: true, breakdown: true}, function(err, data) {32 if (err) return console.error(err);33 console.log(data);34});35client.getTestResults('150515_7P_3e2e', {pagespeed: 2, breakdown: true}, function(err, data) {36 if (err) return console.error(err);37 console.log(data);38});39client.getTestResults('150515_7P_3e2e', {pagespeed: 2, breakdown: true, requests: true}, function(err, data) {40 if (err) return console.error

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