How to use passthruStream method in Cypress

Best JavaScript code snippet using cypress

replace_stream_spec.js

Source:replace_stream_spec.js Github

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...45 const ct = concatStream((body) => {46 expect(body).to.eq('replaced')47 return done()48 })49 const pt = passthruStream()50 const rs = replaceStream(/foobar/, 'replaced')51 pt.pipe(rs).pipe(ct)52 pt.write('foo')53 pt.write('bar')54 return pt.end()55 })56 // test suite from the library this was meant to replace57 // minus tests for extra features that Cypress's implementation doesn't need58 // https://github.com/eugeneware/replacestream/blob/master/test/replace.js59 context('original `replacestream` tests', function () {60 it('should be able to replace within a chunk', function (done) {61 let replace = replaceStream('</head>', `${script}</head>`)62 replace.pipe(concatStream({ encoding: 'string' }, function (data) {63 expect(data).to.include(script)...

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proxy.js

Source:proxy.js Github

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...81 });82 return res.status(503).end();83 }84 }85 thr = passthruStream();86 return this.getHttpContent(thr, req, res, remoteState, config, request).pipe(res);87 },88 getHttpContent: function(thr, req, res, remoteState, config, request) {89 var auth, base64, encodings, endWithNetworkErr, isInitial, obj, onResponse, opts, ref, reqAcceptsHtml, resContentTypeIs, resContentTypeIsJavaScript, resMatchesOriginPolicy, rq, setBody, setCookies, wantsInjection, wantsSecurityRemoved;90 process.env.NODE_TLS_REJECT_UNAUTHORIZED = "0";91 isInitial = req.cookies["__cypress.initial"] === "true";92 wantsInjection = null;93 wantsSecurityRemoved = null;94 resContentTypeIs = function(respHeaders, str) {95 var contentType;96 contentType = respHeaders["content-type"];97 return contentType && contentType.includes(str);98 };99 resContentTypeIsJavaScript = function(respHeaders) {...

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format.spec.js

Source:format.spec.js Github

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1/* eslint-env mocha */2'use strict';3const { createVinylDirectory, createVinylFile, noop } = require('./test-util');4const { strict: assert } = require('assert');5const gulpESLintNew = require('gulp-eslint-new');6const PluginError = require('plugin-error');7const { PassThrough } = require('stream');8let formatCount;9function createFormatter(expectedFileCount) {10 return function (results, data) {11 assert(data);12 assert(Array.isArray(results));13 assert.equal(results.length, expectedFileCount);14 formatCount++;15 const messageCount = results.reduce((sum, result) => sum + result.messages.length, 0);16 return `${messageCount} ${messageCount === 1 ? 'message' : 'messages'}`;17 };18}19function getFiles() {20 return [21 createVinylDirectory(),22 createVinylFile(23 'use-strict.js',24 '(function () {\n\n\tvoid 0;\n\n}());\n\n'25 ),26 createVinylFile(27 'undeclared.js',28 '(function () {\n\t"use strict";\n\n\tx = 0;\n\n}());\n'29 ),30 createVinylFile(31 'passing.js',32 '(function () {\n\n\t"use strict";\n\n}());\n'33 ),34 createVinylFile(35 '.ignored.js',36 ''37 )38 ];39}40function runStream(stream, files, lintStream = stream) {41 return new Promise((resolve, reject) => {42 stream.on('error', reject).on('finish', resolve);43 files.forEach(file => lintStream.write(file));44 lintStream.end();45 });46}47let writeCount;48/**49 * Custom ESLint formatted result writer for counting write attempts rather than writing to the50 * console.51 *52 * @param {string} message - A message to count as written.53 */54function outputWriter(message) {55 assert.match(message, /^1 message|\d+ messages$/);56 writeCount++;57}58describe('gulp-eslint-new format', () => {59 const formatResults = createFormatter(4);60 async function testWrapError(useError) {61 const files = getFiles();62 const lintStream63 = gulpESLintNew({ useEslintrc: false, rules: { 'strict': 2 }, warnIgnored: true });64 const testMessage = 'Writer Test Error';65 const testErrorName = 'TestError';66 const formatStream = gulpESLintNew67 .format(formatResults, () => {68 ++writeCount;69 const error = Error(testMessage);70 error.name = testErrorName;71 return useError(error);72 });73 lintStream.pipe(formatStream);74 await assert.rejects(75 runStream(formatStream, files, lintStream),76 {77 constructor: PluginError,78 message: testMessage,79 name: testErrorName,80 plugin: 'gulp-eslint-new'81 }82 );83 assert.equal(writeCount, 1);84 }85 beforeEach(() => {86 formatCount = 0;87 writeCount = 0;88 });89 it('should format all ESLint results at once', async () => {90 const files = getFiles();91 const lintStream92 = gulpESLintNew({ useEslintrc: false, rules: { 'strict': 2 }, warnIgnored: true });93 const formatStream = gulpESLintNew.format(formatResults, outputWriter);94 let errorEmitted;95 formatStream.on(96 'finish',97 function () {98 // The stream should not have emitted an error.99 ({ errorEmitted } = this._writableState);100 }101 );102 lintStream103 .pipe(gulpESLintNew.format(noop, noop)) // Test that files are passed through.104 .pipe(formatStream);105 await runStream(formatStream, files, lintStream);106 assert.equal(errorEmitted, false);107 assert.equal(formatCount, 1);108 assert.equal(writeCount, 1);109 });110 it('should not attempt to format when no linting results are found', async () => {111 const files = getFiles();112 const formatStream = gulpESLintNew.format(formatResults, outputWriter);113 const passthruStream = new PassThrough({ objectMode: true });114 passthruStream.pipe(formatStream);115 await runStream(passthruStream, files);116 assert.equal(formatCount, 0);117 assert.equal(writeCount, 0);118 });119 it('should wrap errors thrown by a synchronous format writer', () => testWrapError(120 error => {121 throw error;122 }123 ));124 it('should wrap errors thrown by an asynchronous format writer', () => testWrapError(125 error => new Promise((_, reject) => setImmediate(() => reject(error)))126 ));127 it('should emit an error if a linted file has no ESLint instance', async () => {128 const file = createVinylFile('file.js', '');129 file.eslint = { };130 await assert.rejects(131 runStream(gulpESLintNew.format(), [file]),132 {133 constructor: PluginError,134 fileName: file.path,135 message: 'ESLint information not available',136 plugin: 'gulp-eslint-new'137 }138 );139 });140 it('should emit an error if the linted files have different ESLint instances', async () => {141 const createTestFile = path => {142 const file = createVinylFile(path, '');143 file.eslint = { };144 file._eslintInfo = { cwd: process.cwd(), eslint: { } };145 return file;146 };147 const files = [createTestFile('file1.js'), createTestFile('file2.js')];148 await assert.rejects(149 runStream(gulpESLintNew.format(), files),150 {151 constructor: PluginError,152 message:153 'The files in the stream were not processed by the same instance of ESLint',154 plugin: 'gulp-eslint-new'155 }156 );157 });158});159describe('gulp-eslint-new formatEach', () => {160 const formatResult = createFormatter(1);161 async function testWrapError(useError) {162 const files = getFiles();163 const lintStream = gulpESLintNew({ useEslintrc: false, rules: { 'strict': 2 } });164 const testMessage = 'Writer Test Error';165 const testErrorName = 'TestError';166 const formatStream = gulpESLintNew167 .formatEach(formatResult, () => {168 ++writeCount;169 const error = Error(testMessage);170 error.name = testErrorName;171 return useError(error);172 });173 lintStream.pipe(formatStream);174 await assert.rejects(175 runStream(formatStream, files, lintStream),176 {177 constructor: PluginError,178 message: testMessage,179 name: testErrorName,180 plugin: 'gulp-eslint-new'181 }182 );183 assert.equal(writeCount, 1);184 }185 beforeEach(() => {186 formatCount = 0;187 writeCount = 0;188 });189 it('should format individual ESLint results', async () => {190 const files = getFiles();191 const lintStream192 = gulpESLintNew({ useEslintrc: false, rules: { 'strict': 2 }, warnIgnored: true });193 const formatStream = gulpESLintNew.formatEach(formatResult, outputWriter);194 let errorEmitted;195 formatStream.on(196 'finish',197 function () {198 // The stream should not have emitted an error.199 ({ errorEmitted } = this._writableState);200 }201 );202 lintStream203 .pipe(gulpESLintNew.formatEach(noop, noop)) // Test that files are passed through.204 .pipe(formatStream);205 await runStream(formatStream, files, lintStream);206 assert.equal(errorEmitted, false);207 const fileCount = files.length - 1; // Remove directory.208 assert.equal(formatCount, fileCount);209 assert.equal(writeCount, fileCount);210 });211 it('should memoize formatters per ESLint instance', async () => {212 const createTestFile = eslintInstance => {213 const file = createVinylFile('', '');214 file.eslint = { };215 file._eslintInfo = { eslint: eslintInstance };216 return file;217 };218 let loadFormatterCallCount = 0;219 const loadFormatter = () => {220 ++loadFormatterCallCount;221 return { format: noop };222 };223 const eslint1 = { loadFormatter };224 const eslint2 = { loadFormatter };225 const files = [226 createVinylDirectory(),227 createTestFile(eslint1),228 createTestFile(eslint2),229 createTestFile(eslint1),230 createTestFile(eslint2)231 ];232 await runStream(gulpESLintNew.formatEach(), files);233 assert.equal(loadFormatterCallCount, 2);234 });235 it('should not attempt to format when no linting results are found', async () => {236 const files = getFiles();237 const formatStream = gulpESLintNew.formatEach(formatResult, outputWriter);238 const passthruStream = new PassThrough({ objectMode: true });239 passthruStream.pipe(formatStream);240 await runStream(passthruStream, files);241 assert.equal(formatCount, 0);242 assert.equal(writeCount, 0);243 });244 it('should wrap errors thrown by a synchronous format writer', () => testWrapError(245 error => {246 throw error;247 }248 ));249 it('should wrap errors thrown by an asynchronous format writer', () => testWrapError(250 error => new Promise((_, reject) => setImmediate(() => reject(error)))251 ));252 it('should emit an error if a linted file has no ESLint instance', async () => {253 const file = createVinylFile('file.js', '');254 file.eslint = { };255 await assert.rejects(256 runStream(gulpESLintNew.formatEach(), [file]),257 {258 constructor: PluginError,259 fileName: file.path,260 message: 'ESLint information not available',261 plugin: 'gulp-eslint-new'262 }263 );264 });...

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formatting.js

Source:formatting.js Github

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1/* global describe, it, beforeEach */2'use strict';3const fs = require('fs');4const {PassThrough, Writable} = require('stream');5const {expect} = require('chai');6const File = require('vinyl');7const gulpEslint = require('../../lib/gulp-eslint');8function getFiles() {9 return [10 new File({11 path: 'test/fixtures',12 contents: null,13 isDirectory: true14 }),15 new File({16 path: 'test/fixtures/use-strict.js',17 contents: Buffer.from('(function () {\n\n\tvoid 0;\n\n}());\n\n')18 }),19 new File({20 path: 'test/fixtures/undeclared.js',21 contents: Buffer.from('(function () {\n\t"use strict";\n\n\tx = 0;\n\n}());\n')22 }),23 new File({24 path: 'test/fixtures/passing.js',25 contents: Buffer.from('(function () {\n\n\t"use strict";\n\n}());\n')26 })27 ];28}29describe('gulp-eslint format', () => {30 let formatCount;31 let writeCount;32 /**33 * Custom ESLint formatted result writer for counting write attempts34 * rather than writing to the console.35 *36 * @param {String} message - a message to count as written37 */38 function outputWriter(message) {39 expect(message).to.exist;40 expect(message).to.match(/^\d+ messages$/);41 writeCount++;42 }43 /**44 * Custom ESLint formatted result writer that will throw an exception45 *46 * @throws Error Always thrown to test error handling in writers47 * @param {String} message - a message to trigger an error48 */49 function failWriter(message) {50 const error = new Error('Writer Test Error' + (message ? ': ' + message : ''));51 error.name = 'TestError';52 throw error;53 }54 describe('format all results', () => {55 /**56 * Custom ESLint result formatter for counting format passes and57 * returning a expected formatted result message.58 *59 * @param {Array} results - ESLint results60 * @returns {String} formatted results61 */62 function formatResults(results) {63 expect(results).to.exist;64 expect(results).to.be.instanceof(Array);65 expect(results).to.have.lengthOf(3);66 formatCount++;67 const messageCount = results.reduce((sum, result) => {68 return sum + result.messages.length;69 }, 0);70 return messageCount + ' messages';71 }72 beforeEach(() => {73 formatCount = 0;74 writeCount = 0;75 });76 it('should format all ESLint results in one batch', done => {77 const files = getFiles();78 const lintStream = gulpEslint({useEslintrc: false, rules: {'strict': 2}})79 .on('error', done);80 const formatStream = gulpEslint.format()81 .on('error', done)82 .on('finish', done);83 expect(lintStream.pipe).to.exist;84 lintStream.pipe(formatStream);85 files.forEach(file => lintStream.write(file));86 lintStream.end();87 });88 it('should format all ESLint results in one batch with a named formatter', done => {89 const files = getFiles();90 const lintStream = gulpEslint({useEslintrc: false, rules: {'strict': 2}})91 .on('error', done);92 const formatStream = gulpEslint.format('checkstyle')93 .on('error', done)94 .on('finish', done);95 expect(lintStream.pipe).to.exist;96 lintStream.pipe(formatStream);97 files.forEach(file => lintStream.write(file));98 lintStream.end();99 });100 it('should format all ESLint results in one batch with a custom function', done => {101 const files = getFiles();102 const lintStream = gulpEslint({useEslintrc: false, rules: {'strict': 2}})103 .on('error', done);104 const formatStream = gulpEslint.format(formatResults, outputWriter)105 .on('error', done)106 .on('finish', () => {107 expect(formatCount).to.equal(1);108 expect(writeCount).to.equal(1);109 done();110 });111 expect(lintStream.pipe).to.exist;112 lintStream.pipe(formatStream);113 files.forEach(file => lintStream.write(file));114 lintStream.end();115 });116 it('should format all ESLint results in one batch with a custom writable stream', done => {117 const files = getFiles();118 let written = false;119 const lintStream = gulpEslint({useEslintrc: false, rules: {'strict': 2}})120 .on('error', done);121 const writable = new Writable({objectMode: true})122 .on('error', done)123 .on('finish', () => {124 expect(written).to.be.true;125 done();126 });127 writable._write = function writeChunk(chunk, encoding, cb) {128 expect(chunk).to.have.string('Use the function form of \'use strict\'');129 written = true;130 cb();131 };132 const formatStream = gulpEslint.format('stylish', writable);133 expect(lintStream.pipe).to.exist;134 lintStream.pipe(formatStream);135 files.forEach(file => lintStream.write(file));136 lintStream.end();137 });138 it('should not attempt to format when no linting results are found', done => {139 const files = getFiles();140 const passthruStream = new PassThrough({objectMode: true})141 .on('error', done);142 const formatStream = gulpEslint.format(formatResults, outputWriter)143 .on('error', done)144 .on('finish', () => {145 expect(formatCount).to.equal(0);146 expect(writeCount).to.equal(0);147 done();148 });149 expect(passthruStream.pipe).to.exist;150 passthruStream.pipe(formatStream);151 files.forEach(file => passthruStream.write(file));152 passthruStream.end();153 });154 });155 describe('format each result', () => {156 function formatResult(results) {157 expect(results).to.exist;158 expect(results).to.be.instanceof(Array);159 expect(results).to.have.lengthOf(1);160 formatCount++;161 return `${results.reduce((sum, result) => sum + result.messages.length, 0)} messages`;162 }163 it('should format each ESLint result separately', done => {164 const files = getFiles();165 const lintStream = gulpEslint({useEslintrc: false, rules: {'strict': 2}})166 .on('error', done);167 const formatStream = gulpEslint.formatEach()168 .on('error', done)169 .on('finish', function () {170 // the stream should not have emitted an error171 expect(this._writableState.errorEmitted).to.equal(false);172 done();173 });174 expect(lintStream.pipe).to.exist;175 lintStream.pipe(formatStream);176 files.forEach(file => lintStream.write(file));177 lintStream.end();178 });179 it('should format each ESLint result separately with a named formatter', done => {180 const files = getFiles();181 const lintStream = gulpEslint({useEslintrc: false, rules: {'strict': 2}})182 .on('error', done);183 const formatStream = gulpEslint.formatEach('checkstyle')184 .on('error', done)185 .on('finish', function () {186 // the stream should not have emitted an error187 expect(this._writableState.errorEmitted).to.equal(false);188 done();189 });190 expect(lintStream.pipe).to.exist;191 lintStream.pipe(formatStream);192 files.forEach(file => lintStream.write(file));193 lintStream.end();194 });195 it('should format each ESLint result separately with a custom function', done => {196 formatCount = 0;197 writeCount = 0;198 const files = getFiles();199 const lintStream = gulpEslint({useEslintrc: false, rules: {'strict': 2}})200 .on('error', done);201 const formatStream = gulpEslint.formatEach(formatResult, outputWriter)202 .on('error', done)203 .on('finish', function () {204 // the stream should not have emitted an error205 expect(this._writableState.errorEmitted).to.equal(false);206 const fileCount = files.length - 1;// remove directory207 expect(formatCount).to.equal(fileCount);208 expect(writeCount).to.equal(fileCount);209 done();210 });211 expect(lintStream.pipe).to.exist;212 lintStream.pipe(formatStream);213 files.forEach(file => lintStream.write(file));214 lintStream.end();215 });216 it('should format all ESLint results in one batch with a custom writable stream', done => {217 const files = getFiles();218 let written = false;219 const lintStream = gulpEslint({useEslintrc: false, rules: {'strict': 2}})220 .on('error', done);221 const writable = new Writable({objectMode: true})222 .on('error', done)223 .on('finish', () => {224 expect(written).to.be.true;225 done();226 });227 writable._write = function writeChunk(chunk, encoding, cb) {228 expect(chunk).to.have.string('Use the function form of \'use strict\'');229 written = true;230 cb();231 };232 const formatStream = gulpEslint.formatEach('stylish', writable);233 expect(lintStream.pipe).to.exist;234 lintStream.pipe(formatStream);235 files.forEach(file => lintStream.write(file));236 lintStream.end();237 });238 it('should catch and wrap format writer errors in a PluginError', done => {239 formatCount = 0;240 writeCount = 0;241 const files = getFiles();242 const lintStream = gulpEslint({useEslintrc: false, rules: {'strict': 2}})243 .on('error', done);244 const formatStream = gulpEslint.formatEach(formatResult, failWriter)245 .on('error', err => {246 expect(err).to.exists;247 expect(err.message).to.equal('Writer Test Error: 1 messages');248 expect(err.name).to.equal('TestError');249 expect(err.plugin).to.equal('gulp-eslint');250 done();251 })252 .on('finish', () => {253 done(new Error('Expected PluginError to fail stream'));254 });255 expect(lintStream.pipe).to.exist;256 lintStream.pipe(formatStream);257 files.forEach(file => lintStream.write(file));258 lintStream.end();259 });260 });...

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format.js

Source:format.js Github

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1/* global describe, it, beforeEach */2'use strict';3const File = require('vinyl');4const stream = require('stream');5const should = require('should');6const eslint = require('..');7require('mocha');8function getFiles() {9 return [10 new File({11 path: 'test/fixtures',12 contents: null,13 isDirectory: true14 }),15 new File({16 path: 'test/fixtures/use-strict.js',17 contents: Buffer.from('(function () {\n\n\tvoid 0;\n\n}());\n\n')18 }),19 new File({20 path: 'test/fixtures/undeclared.js',21 contents: Buffer.from('(function () {\n\t"use strict";\n\n\tx = 0;\n\n}());\n')22 }),23 new File({24 path: 'test/fixtures/passing.js',25 contents: Buffer.from('(function () {\n\n\t"use strict";\n\n}());\n')26 })27 ];28}29describe('gulp-eslint format', () => {30 let formatCount;31 let writeCount;32 /**33 * Custom ESLint formatted result writer for counting write attempts34 * rather than writing to the console.35 *36 * @param {String} message - a message to count as written37 */38 function outputWriter(message) {39 should.exist(message);40 message.should.match(/^\d+ messages$/);41 writeCount++;42 }43 /**44 * Custom ESLint formatted result writer that will throw an exception45 *46 * @throws Error Always thrown to test error handling in writers47 * @param {String} message - a message to trigger an error48 */49 function failWriter(message) {50 const error = new Error('Writer Test Error' + (message ? ': ' + message : ''));51 error.name = 'TestError';52 throw error;53 }54 describe('format all results', () => {55 /**56 * Custom ESLint result formatter for counting format passes and57 * returning a expected formatted result message.58 *59 * @param {Array} results - ESLint results60 * @param {Object} config - format config61 * @returns {String} formatted results62 */63 function formatResults(results, config) {64 should.exist(config);65 should.exist(results);66 results.should.be.instanceof(Array).with.a.lengthOf(3);67 formatCount++;68 const messageCount = results.reduce((sum, result) => {69 return sum + result.messages.length;70 }, 0);71 return messageCount + ' messages';72 }73 beforeEach(() => {74 formatCount = 0;75 writeCount = 0;76 });77 it('should format all ESLint results at once', done => {78 const files = getFiles();79 const lintStream = eslint({useEslintrc: false, rules: {'strict': 2}});80 lintStream.on('error', done);81 const formatStream = eslint.format(formatResults, outputWriter);82 formatStream83 .on('error', done)84 .on('finish', () => {85 formatCount.should.equal(1);86 writeCount.should.equal(1);87 done();88 });89 should.exist(lintStream.pipe);90 lintStream.pipe(formatStream);91 files.forEach(function(file) {92 lintStream.write(file);93 });94 lintStream.end();95 });96 it('should not attempt to format when no linting results are found', done => {97 const files = getFiles();98 const passthruStream = new stream.PassThrough({objectMode: true})99 .on('error', done);100 const formatStream = eslint.format(formatResults, outputWriter);101 formatStream102 .on('error', done)103 .on('finish', () => {104 formatCount.should.equal(0);105 writeCount.should.equal(0);106 done();107 });108 should.exist(passthruStream.pipe);109 passthruStream.pipe(formatStream);110 files.forEach(function(file) {111 passthruStream.write(file);112 });113 passthruStream.end();114 });115 });116 describe('format each result', () => {117 function formatResult(results, config) {118 should.exist(config);119 should.exist(results);120 results.should.be.instanceof(Array).with.a.lengthOf(1);121 formatCount++;122 return `${results.reduce((sum, result) => sum + result.messages.length, 0)} messages`;123 }124 it('should format individual ESLint results', done => {125 formatCount = 0;126 writeCount = 0;127 const files = getFiles();128 const lintStream = eslint({useEslintrc: false, rules: {'strict': 2}})129 .on('error', done);130 const formatStream = eslint.formatEach(formatResult, outputWriter)131 .on('error', done)132 .on('finish', function() {133 // the stream should not have emitted an error134 this._writableState.errorEmitted.should.equal(false);135 const fileCount = files.length - 1;// remove directory136 formatCount.should.equal(fileCount);137 writeCount.should.equal(fileCount);138 done();139 });140 should.exist(lintStream.pipe);141 lintStream.pipe(formatStream);142 files.forEach(file => lintStream.write(file));143 lintStream.end();144 });145 it('should catch and wrap format writer errors in a PluginError', done => {146 formatCount = 0;147 writeCount = 0;148 const files = getFiles();149 const lintStream = eslint({useEslintrc: false, rules: {'strict': 2}})150 .on('error', done);151 const formatStream = eslint.formatEach(formatResult, failWriter);152 formatStream153 .on('error', err => {154 should.exists(err);155 err.message.should.equal('Writer Test Error: 1 messages');156 err.name.should.equal('TestError');157 err.plugin.should.equal('gulp-eslint');158 done();159 })160 .on('finish', () => {161 done(new Error('Expected PluginError to fail stream'));162 });163 should.exist(lintStream.pipe);164 lintStream.pipe(formatStream);165 files.forEach(file => lintStream.write(file));166 lintStream.end();167 });168 });...

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passthru_stream.js

Source:passthru_stream.js Github

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1"use strict";2Object.defineProperty(exports, "__esModule", { value: true });3exports.passthruStream = void 0;4const through = require('through');5function passthruStream() {6 return through(function (chunk) {7 this.queue(chunk);8 });9}...

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Using AI Code Generation

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1describe('My First Test', () => {2 it('Does not do much!', () => {3 cy.contains('type').click()4 cy.url().should('include', '/commands/actions')5 cy.get('.action-email')6 .type('

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1Cypress.Commands.add('passthruStream', (stream) => {2 Cypress.log({3 });4 return cy.task('passthruStream', stream, { log: false });5});6Cypress.Commands.add('passthruStream', (stream) => {7 Cypress.log({8 });9 return cy.task('passthruStream', stream, { log: false });10});11Cypress.Commands.add('passthruStream', (stream) => {12 Cypress.log({13 });14 return cy.task('passthruStream', stream, { log: false });15});16Cypress.Commands.add('passthruStream', (stream) => {17 Cypress.log({18 });19 return cy.task('passthruStream', stream, { log: false });20});21Cypress.Commands.add('passthruStream', (stream) => {22 Cypress.log({23 });24 return cy.task('passthruStream', stream, { log: false });25});26Cypress.Commands.add('passthruStream', (stream) => {27 Cypress.log({28 });29 return cy.task('passthruStream', stream, { log: false });30});31Cypress.Commands.add('passthruStream', (stream) => {32 Cypress.log({33 });34 return cy.task('passthruStream', stream, { log: false });35});

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Using AI Code Generation

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1cy.readFile('path/to/file', 'utf8').then(content => {2 cy.window().then(win => {3 win.passthruStream(content);4 });5});6Cypress.Commands.add('passthruStream', (content) => {7 cy.window().then(win => {8 win.passthruStream(content);9 });10});11Cypress.on('window:before:load', (win) => {12 win.passthruStream = (content) => {13 const blob = new Blob([content], { type: 'text/html' });14 const url = URL.createObjectURL(blob);15 cy.visit(url);16 };17});18Cypress.on('window:before:load', (win) => {19 win.passthruStream = (content) => {20 const blob = new Blob([content], { type: 'text/html' });21 const url = URL.createObjectURL(blob);22 cy.visit(url);23 };24});25Cypress.on('window:before:load', (win) => {26 win.passthruStream = (content) => {27 const blob = new Blob([content], { type: 'text/html' });28 const url = URL.createObjectURL(blob);29 cy.visit(url);30 };31});32Cypress.on('window:before:load', (win) => {33 win.passthruStream = (content) => {34 const blob = new Blob([content], { type: 'text/html' });35 const url = URL.createObjectURL(blob);36 cy.visit(url);37 };38});39Cypress.on('window:before:load', (win) => {40 win.passthruStream = (content) => {41 const blob = new Blob([content], { type: 'text/html' });42 const url = URL.createObjectURL(blob);43 cy.visit(url);

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Using AI Code Generation

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1describe('File Upload', () => {2 it('Uploads a file', () => {3 cy.get('input[type=file]').then(subject => {4 cy.fixture('test.txt', 'binary')5 .then(Cypress.Blob.binaryStringToBlob)6 .then(blob => {7 const testFile = new File([blob], 'test.txt', { type: 'text/plain' })8 const dataTransfer = new DataTransfer()9 dataTransfer.items.add(testFile)10 })11 })12 cy.get('form').submit()13 })14})15{16 "testFiles": "**/*.{js,jsx}",17}18{19 "scripts": {20 },21 "devDependencies": {22 }23}24const express = require('express')25const multer = require('multer')26const path = require('path')27const app = express()28const storage = multer.diskStorage({29 filename: function(req, file, cb) {30 cb(null, file.fieldname + '-' + Date.now() + path.extname(file.originalname))31 }32})33const upload = multer({34}).single('myImage')35app.set('view engine', 'ejs')36app.get('/', (req, res) => res.render('index'))37app.post('/upload', (req, res) => {

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Using AI Code Generation

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1var express = require('express');2var app = express();3app.get('/test', function(req, res) {4 res.type('text/html');5 res.write('<html><body><h2>Test Page</h2>');6 res.write('<p>Response from server</p>');7 res.end('</body></html>');8});9var server = app.listen(3000, function() {10});11describe('Test passthruStream method', function() {12 it('test passthruStream method', function() {13 cy.window().then(win => {14 const stream = win.passthruStream();15 stream.on('data', (data) => {16 console.log(data);17 });18 });19 });20});

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1describe('test', function() {2 it('test', function() {3 cy.get('input[type="file"]').then((fileInput) => {4 cy.fixture('test.pdf', 'base64').then((fileContent) => {5 Cypress.Blob.base64StringToBlob(fileContent, 'application/pdf').then((blob) => {6 const testFile = new File([blob], 'test.pdf', { type: 'application/pdf' });7 const dataTransfer = new DataTransfer();8 dataTransfer.items.add(testFile);9 fileInput[0].files = dataTransfer.files;10 fileInput[0].dispatchEvent(new Event('change', { bubbles: true }));11 });12 });13 });14 });15});16describe('test', function() {17 it('test', function() {18 cy.get('input[type="file"]').attachFile('test.pdf');19 cy.get('button').click();20 });21});

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Cypress Tutorial

Cypress is a renowned Javascript-based open-source, easy-to-use end-to-end testing framework primarily used for testing web applications. Cypress is a relatively new player in the automation testing space and has been gaining much traction lately, as evidenced by the number of Forks (2.7K) and Stars (42.1K) for the project. LambdaTest’s Cypress Tutorial covers step-by-step guides that will help you learn from the basics till you run automation tests on LambdaTest.

Chapters:

  1. What is Cypress? -
  2. Why Cypress? - Learn why Cypress might be a good choice for testing your web applications.
  3. Features of Cypress Testing - Learn about features that make Cypress a powerful and flexible tool for testing web applications.
  4. Cypress Drawbacks - Although Cypress has many strengths, it has a few limitations that you should be aware of.
  5. Cypress Architecture - Learn more about Cypress architecture and how it is designed to be run directly in the browser, i.e., it does not have any additional servers.
  6. Browsers Supported by Cypress - Cypress is built on top of the Electron browser, supporting all modern web browsers. Learn browsers that support Cypress.
  7. Selenium vs Cypress: A Detailed Comparison - Compare and explore some key differences in terms of their design and features.
  8. Cypress Learning: Best Practices - Take a deep dive into some of the best practices you should use to avoid anti-patterns in your automation tests.
  9. How To Run Cypress Tests on LambdaTest? - Set up a LambdaTest account, and now you are all set to learn how to run Cypress tests.

Certification

You can elevate your expertise with end-to-end testing using the Cypress automation framework and stay one step ahead in your career by earning a Cypress certification. Check out our Cypress 101 Certification.

YouTube

Watch this 3 hours of complete tutorial to learn the basics of Cypress and various Cypress commands with the Cypress testing at LambdaTest.

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