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How to use LoopbackPort method in wpt

Best JavaScript code snippet using wpt

message_handler_spec.js

Source:message_handler_spec.js

...23    });24  }25  describe('sendWithStream', function () {26    it('should return a ReadableStream', function () {27      let port = new LoopbackPort();28      let messageHandler1 = new MessageHandler('main', 'worker', port);29      let readable = messageHandler1.sendWithStream('fakeHandler');30      // Check if readable is an instance of ReadableStream.31      expect(typeof readable).toEqual('object');32      expect(typeof readable.getReader).toEqual('function');33    });34    it('should read using a reader', function (done) {35      let log = '';36      let port = new LoopbackPort();37      let messageHandler1 = new MessageHandler('main', 'worker', port);38      let messageHandler2 = new MessageHandler('worker', 'main', port);39      messageHandler2.on('fakeHandler', (data, sink) => {40        sink.onPull = function () {41          log += 'p';42        };43        sink.onCancel = function (reason) {44          log += 'c';45        };46        sink.ready.then(() => {47          sink.enqueue('hi');48          return sink.ready;49        }).then(() => {50          sink.close();51        });52        return sleep(5);53      });54      let readable = messageHandler1.sendWithStream('fakeHandler', {}, {55        highWaterMark: 1,56        size() {57          return 1;58        },59      });60      let reader = readable.getReader();61      sleep(10).then(() => {62        expect(log).toEqual('');63        return reader.read();64      }).then((result) => {65        expect(log).toEqual('p');66        expect(result.value).toEqual('hi');67        expect(result.done).toEqual(false);68        return sleep(10);69      }).then(() => {70        return reader.read();71      }).then((result) => {72        expect(result.value).toEqual(undefined);73        expect(result.done).toEqual(true);74        done();75      });76    });77    it('should not read any data when cancelled', function (done) {78      let log = '';79      let port = new LoopbackPort();80      let messageHandler2 = new MessageHandler('worker', 'main', port);81      messageHandler2.on('fakeHandler', (data, sink) => {82        sink.onPull = function () {83          log += 'p';84        };85        sink.onCancel = function (reason) {86          log += 'c';87        };88        log += '0';89        sink.ready.then(() => {90          log += '1';91          sink.enqueue([1, 2, 3, 4], 4);92          return sink.ready;93        }).then(() => {94          log += '2';95          sink.enqueue([5, 6, 7, 8], 4);96          return sink.ready;97        }).then(() => {98          log += '3';99          sink.close();100        }, () => {101          log += '4';102        });103      });104      let messageHandler1 = new MessageHandler('main', 'worker', port);105      let readable = messageHandler1.sendWithStream('fakeHandler', {}, {106        highWaterMark: 4,107        size(arr) {108          return arr.length;109        },110      });111      let reader = readable.getReader();112      sleep(10).then(() => {113        expect(log).toEqual('01');114        return reader.read();115      }).then((result) => {116        expect(result.value).toEqual([1, 2, 3, 4]);117        expect(result.done).toEqual(false);118        return sleep(10);119      }).then(() => {120        expect(log).toEqual('01p2');121        return reader.cancel();122      }).then(() => {123        expect(log).toEqual('01p2c4');124        done();125      });126    });127    it('should not read when errored', function(done) {128      let log = '';129      let port = new LoopbackPort();130      let messageHandler2 = new MessageHandler('worker', 'main', port);131      messageHandler2.on('fakeHandler', (data, sink) => {132        sink.onPull = function () {133          log += 'p';134        };135        sink.onCancel = function (reason) {136          log += 'c';137        };138        sink.ready.then(() => {139          sink.enqueue([1, 2, 3, 4], 4);140          return sink.ready;141        }).then(() => {142          log += 'error';143          sink.error('error');144        });145      });146      let messageHandler1 = new MessageHandler('main', 'worker', port);147      let readable = messageHandler1.sendWithStream('fakeHandler', {}, {148        highWaterMark: 4,149        size(arr) {150          return arr.length;151        },152      });153      let reader = readable.getReader();154      sleep(10).then(() => {155        expect(log).toEqual('');156        return reader.read();157      }).then((result) => {158        expect(result.value).toEqual([1, 2, 3, 4]);159        expect(result.done).toEqual(false);160        return reader.read();161      }).then(() => {162      }, (reason) => {163        expect(reason).toEqual('error');164        done();165      });166    });167    it('should read data with blocking promise', function (done) {168      let log = '';169      let port = new LoopbackPort();170      let messageHandler2 = new MessageHandler('worker', 'main', port);171      messageHandler2.on('fakeHandler', (data, sink) => {172        sink.onPull = function () {173          log += 'p';174        };175        sink.onCancel = function (reason) {176          log += 'c';177        };178        log += '0';179        sink.ready.then(() => {180          log += '1';181          sink.enqueue([1, 2, 3, 4], 4);182          return sink.ready;183        }).then(() => {184          log += '2';185          sink.enqueue([5, 6, 7, 8], 4);186          return sink.ready;187        }).then(() => {188          sink.close();189        });190      });191      let messageHandler1 = new MessageHandler('main', 'worker', port);192      let readable = messageHandler1.sendWithStream('fakeHandler', {}, {193        highWaterMark: 4,194        size(arr) {195          return arr.length;196        },197      });198      let reader = readable.getReader();199      // Sleep for 10ms, so that read() is not unblocking the ready promise.200      // Chain all read() to stream in sequence.201      sleep(10).then(() => {202        expect(log).toEqual('01');203        return reader.read();204      }).then((result) => {205        expect(result.value).toEqual([1, 2, 3, 4]);206        expect(result.done).toEqual(false);207        return sleep(10);208      }).then(() => {209        expect(log).toEqual('01p2');210        return reader.read();211      }).then((result) => {212        expect(result.value).toEqual([5, 6, 7, 8]);213        expect(result.done).toEqual(false);214        return sleep(10);215      }).then(() => {216        expect(log).toEqual('01p2p');217        return reader.read();218      }).then((result) => {219        expect(result.value).toEqual(undefined);220        expect(result.done).toEqual(true);221        done();222      });223    });224    it('should read data with blocking promise and buffer whole data' +225       ' into stream', function (done) {226      let log = '';227      let port = new LoopbackPort();228      let messageHandler2 = new MessageHandler('worker', 'main', port);229      messageHandler2.on('fakeHandler', (data, sink) => {230        sink.onPull = function () {231          log += 'p';232        };233        sink.onCancel = function (reason) {234          log += 'c';235        };236        log += '0';237        sink.ready.then(() => {238          log += '1';239          sink.enqueue([1, 2, 3, 4], 4);240          return sink.ready;241        }).then(() => {242          log += '2';243          sink.enqueue([5, 6, 7, 8], 4);244          return sink.ready;245        }).then(() => {246          sink.close();247        });248        return sleep(10);249      });250      let messageHandler1 = new MessageHandler('main', 'worker', port);251      let readable = messageHandler1.sendWithStream('fakeHandler', {}, {252        highWaterMark: 8,253        size(arr) {254          return arr.length;255        },256      });257      let reader = readable.getReader();258      sleep(10).then(() => {259        expect(log).toEqual('012');260        return reader.read();261      }).then((result) => {262        expect(result.value).toEqual([1, 2, 3, 4]);263        expect(result.done).toEqual(false);264        return sleep(10);265      }).then(() => {266        expect(log).toEqual('012p');267        return reader.read();268      }).then((result) => {269        expect(result.value).toEqual([5, 6, 7, 8]);270        expect(result.done).toEqual(false);271        return sleep(10);272      }).then(() => {273        expect(log).toEqual('012p');274        return reader.read();275      }).then((result) => {276        expect(result.value).toEqual(undefined);277        expect(result.done).toEqual(true);278        done();279      });280    });281    it('should ignore any pull after close is called', function (done) {282      let log = '';283      let port = new LoopbackPort();284      let capability = createPromiseCapability();285      let messageHandler2 = new MessageHandler('worker', 'main', port);286      messageHandler2.on('fakeHandler', (data, sink) => {287        sink.onPull = function () {288          log += 'p';289        };290        sink.onCancel = function (reason) {291          log += 'c';292        };293        log += '0';294        sink.ready.then(() => {295          log += '1';296          sink.enqueue([1, 2, 3, 4], 4);297        });...

Using AI Code Generation

1var wptb = require('wptb');2var loopback = new wptb.LoopbackPort();3loopback.write('Hello World!');4var wptb = require('wptb');5var loopback = new wptb.LoopbackPort();6loopback.on('data', function(data){7  console.log(data);8});9var wptb = require('wptb');10var loopback = new wptb.LoopbackPort();11loopback.on('data', function(data){12  console.log(data);13});14loopback.write('Hello World!');15var wptb = require('wptb');16var loopback = new wptb.LoopbackPort();17var SerialPort = require('wptb-serialport');18var serialport = new SerialPort(loopback, function (err) {19  if (err) {20    return console.log('Error: ', err.message);21  }22  serialport.write('Hello World!');23});24serialport.on('data', function(data){25  console.log(data);26});27var wptb = require('wptb');28var loopback = new wptb.LoopbackPort();29var Socket = require('wptb-socket');30var socket = new Socket(loopback, function (err) {31  if (err) {32    return console.log('Error: ', err.message);33  }34  socket.write('Hello World!');35});36socket.on('data', function(data){37  console.log(data);38});39var wptb = require('wptb');

Using AI Code Generation

1var wptb = require('wptb');2var loopbackPort = new wptb.LoopbackPort('COM5');3loopbackPort.on('data', function(data) {4	console.log('data received: ' + data);5});6loopbackPort.on('error', function(err) {7	console.log('error: ' + err);8});9loopbackPort.on('close', function() {10	console.log('port closed');11});12loopbackPort.open(function(err) {13	if (err) {14		console.log('error opening port: ' + err);15	} else {16		console.log('port opened');17		loopbackPort.write('hello');18	}19});20var wptb = require('wptb');21var serialPort = new wptb.SerialPort('COM5');22serialPort.on('data', function(data) {23	console.log('data received: ' + data);24});25serialPort.on('error', function(err) {26	console.log('error: ' + err);27});28serialPort.on('close', function() {29	console.log('port closed');30});31serialPort.open(function(err) {32	if (err) {33		console.log('error opening port: ' + err);34	} else {35		console.log('port opened');36		serialPort.write('hello');37	}38});39var wptb = require('wptb');40var socketPort = new wptb.SocketPort('

Using AI Code Generation

1var wptools = require('wptools');2var port = 8080;3var options = {4  userAgent: 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36'5};6wptools.setOptions(options);7wptools.setLoopbackPort(port);8wptools.page('Albert Einstein').then(function(page) {9  console.log(page.json());10});11var wptools = require('wptools');12var port = 8080;13var options = {14  userAgent: 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36'15};16wptools.setOptions(options);17wptools.setLoopbackPort(port);18wptools.page('Albert Einstein').then(function(page) {19  console.log(page.json());20});21var wptools = require('wptools');22var port = 8080;23var options = {24  userAgent: 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36'25};26wptools.setOptions(options);27wptools.setLoopbackPort(port);28wptools.page('Albert Einstein').then(function(page) {29  console.log(page.json());30});31var wptools = require('wptools');32var port = 8080;33var options = {34  userAgent: 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko

Using AI Code Generation

1var wptdriver = require('wptdriver');2var driver = new wptdriver.Driver();3driver.start(function() {4    driver.createLoopbackPort(function(port) {5            driver.takeScreenshot(function (data) {6                console.log(data);7                driver.stop();8            });9        });10    });11});

Using AI Code Generation

1var wpt = require('wptdriver');2wpt.LoopbackPort(function (err, port) {3  if (err) {4    console.log(err);5  } else {6    console.log(port);7  }8});9var wpt = require('wptdriver');10wpt.LoopbackPort(function (err, port) {11  if (err) {12    console.log(err);13  } else {14    console.log(port);15  }16});17var wpt = require('wptdriver');18wpt.LoopbackPort(function (err, port) {19  if (err) {20    console.log(err);21  } else {22    console.log(port);23  }24});25var wpt = require('wptdriver');26wpt.LoopbackPort(function (err, port) {27  if (err) {28    console.log(err);29  } else {30    console.log(port);31  }32});33var wpt = require('wptdriver');34wpt.LoopbackPort(function (err, port) {35  if (err) {36    console.log(err);37  } else {38    console.log(port);39  }40});41var wpt = require('wptdriver');42wpt.LoopbackPort(function (err, port) {43  if (err) {44    console.log(err);45  } else {46    console.log(port);47  }48});49var wpt = require('wptdriver');50wpt.LoopbackPort(function (err, port) {51  if (err) {52    console.log(err);53  } else {54    console.log(port);

Using AI Code Generation

1var wptb = require('wptb');2var port = wptb.LoopbackPort();3var test = wptb.WPTB(port);4test.on('data', function(data) {5    console.log(data);6});7test.on('error', function(err) {8    console.log(err);9});10test.on('open', function() {11    console.log('open');12    test.write('Hello World');13});14test.on('close', function() {15    console.log('close');16});17test.open();18test.close();19var wptb = require('wptb');20var serialport = require('serialport');21var port = new serialport.SerialPort('/dev/ttyUSB0', {22    parser: serialport.parsers.readline("\r")23});24var test = wptb.WPTB(port);25test.on('data', function(data)

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