KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use createKarmaMiddleware method in Karma

Best JavaScript code snippet using karma

karma.js

Source:karma.js

1/**2 * Karma middleware is responsible for serving:3 * - client.html (the entrypoint for capturing a browser)4 * - debug.html5 * - context.html (the execution context, loaded within an iframe)6 * - karma.js7 *8 * The main part is generating context.html, as it contains:9 * - generating mappings10 * - including <script> and <link> tags11 * - setting propert caching headers12 */13var path = require('path');14var util = require('util');15var url = require('url');16var urlparse = function(urlStr) {17    var urlObj = url.parse(urlStr, true);18    urlObj.query = urlObj.query || {};19    return urlObj;20};21var common = require('./common');22var VERSION = require('../constants').VERSION;23var SCRIPT_TAG = '<script type="%s" src="%s"></script>';24var LINK_TAG_CSS = '<link type="text/css" href="%s" rel="stylesheet">';25var LINK_TAG_HTML = '<link href="%s" rel="import">';26var SCRIPT_TYPE = {27  '.js': 'text/javascript',28  '.dart': 'application/dart'29};30var filePathToUrlPath = function(filePath, basePath) {31  if (filePath.indexOf(basePath) === 0) {32    return '/base' + filePath.substr(basePath.length);33  }34  return '/absolute' + filePath;35};36var getXUACompatibleMetaElement = function(url) {37  var tag = '';38  var urlObj = urlparse(url);39  if (urlObj.query['x-ua-compatible']) {40    tag = '\n<meta http-equiv="X-UA-Compatible" content="' +41     urlObj.query['x-ua-compatible'] + '"/>';42  }43  return tag;44};45var getXUACompatibleUrl = function(url) {46  var value = '';47  var urlObj = urlparse(url);48  if (urlObj.query['x-ua-compatible']) {49    value = '?x-ua-compatible=' + encodeURIComponent(urlObj.query['x-ua-compatible']);50  }51  return value;52};53var createKarmaMiddleware = function(filesPromise, serveStaticFile,54    /* config.basePath */ basePath,  /* config.urlRoot */ urlRoot, /* config.client */ client) {55  return function(request, response, next) {56    var requestUrl = request.normalizedUrl.replace(/\?.*/, '');57    // redirect /__karma__ to /__karma__ (trailing slash)58    if (requestUrl === urlRoot.substr(0, urlRoot.length - 1)) {59      response.setHeader('Location', urlRoot);60      response.writeHead(301);61      return response.end('MOVED PERMANENTLY');62    }63    // ignore urls outside urlRoot64    if (requestUrl.indexOf(urlRoot) !== 0) {65      return next();66    }67    // remove urlRoot prefix68    requestUrl = requestUrl.substr(urlRoot.length - 1);69    // serve client.html70    if (requestUrl === '/') {71      return serveStaticFile('/client.html', response, function(data) {72        return data73          .replace('\n%X_UA_COMPATIBLE%', getXUACompatibleMetaElement(request.url))74          .replace('%X_UA_COMPATIBLE_URL%', getXUACompatibleUrl(request.url));75      });76    }77    // serve karma.js78    if (requestUrl === '/karma.js') {79      return serveStaticFile(requestUrl, response, function(data) {80        return data.replace('%KARMA_URL_ROOT%', urlRoot)81                   .replace('%KARMA_VERSION%', VERSION);82      });83    }84    // serve context.html - execution context within the iframe85    // or debug.html - execution context without channel to the server86    if (requestUrl === '/context.html' || requestUrl === '/debug.html') {87      return filesPromise.then(function(files) {88        serveStaticFile(requestUrl, response, function(data) {89          common.setNoCacheHeaders(response);90          var scriptTags = files.included.map(function(file) {91            var filePath = file.path;92            var fileExt = path.extname(filePath);93            if (!file.isUrl) {94              // TODO(vojta): serve these files from within urlRoot as well95              filePath = filePathToUrlPath(filePath, basePath);96              if (requestUrl === '/context.html') {97                filePath += '?' + file.sha;98              }99            }100            if (fileExt === '.css') {101              return util.format(LINK_TAG_CSS, filePath);102            }103            if (fileExt === '.html') {104              return util.format(LINK_TAG_HTML, filePath);105            }106            return util.format(SCRIPT_TAG, SCRIPT_TYPE[fileExt] || 'text/javascript', filePath);107          });108          // TODO(vojta): don't compute if it's not in the template109          var mappings = files.served.map(function(file) {110            //Windows paths contain backslashes and generate bad IDs if not escaped111            var filePath = filePathToUrlPath(file.path, basePath).replace(/\\/g,'\\\\');112            return util.format('  \'%s\': \'%s\'', filePath, file.sha);113          });114          var clientConfig = '';115          if (requestUrl === '/debug.html') {116            clientConfig = 'window.__karma__.config = ' + JSON.stringify(client) + ';\n';117          }118          mappings = 'window.__karma__.files = {\n' + mappings.join(',\n') + '\n};\n';119          return data.120            replace('%SCRIPTS%', scriptTags.join('\n'))121            .replace('%CLIENT_CONFIG%', clientConfig)122            .replace('%MAPPINGS%', mappings)123            .replace('\n%X_UA_COMPATIBLE%', getXUACompatibleMetaElement(request.url));124        });125      }, function(errorFiles) {126        serveStaticFile(requestUrl, response, function(data) {127          common.setNoCacheHeaders(response);128          return data.replace('%SCRIPTS%', '').replace('%CLIENT_CONFIG%', '').replace('%MAPPINGS%',129              'window.__karma__.error("TEST RUN WAS CANCELLED because ' +130              (errorFiles.length > 1 ? 'these files contain' : 'this file contains') +131              ' some errors:\\n  ' + errorFiles.join('\\n  ') + '");');132        });133      });134    }135    return next();136  };137};138createKarmaMiddleware.$inject = ['filesPromise', 'serveStaticFile',139  'config.basePath', 'config.urlRoot', 'config.client'];140// PUBLIC API...

cap-server.js

Source:cap-server.js

...16    proc.on("close", reject);17    proc.stdout.on("data", checkServerReady);18  });19}20function createKarmaMiddleware(serverUrl, auth) {21  const proxyOptions = {22    target: serverUrl,23    auth: auth ? `${auth.user}:${auth.password}` : undefined,24  };25  const middleware = (logFactory) => {26    const log = logFactory.create("cap-server");27    const proxy = new HttpProxy(proxyOptions);28    proxy.on("error", (data) => log.error(data.toString()));29    return (req, res) => {30      proxy.web(req, res);31    };32  };33  middleware.$inject = ["logger"];34  return { "middleware:cap-proxy": ["factory", middleware] };35}36async function java() {37  const isReady = (data) => {38    const started = data.match(/started on port\(s\): (?<port>\d+)/);39    if (started) return new URL(`http://localhost:${started.groups.port}`);40  };41  const serverUrl = await spawnServer(42    "mvn",43    ["spring-boot:run", "-B", "-Dserver.port=0"],44    "../../srv",45    isReady46  );47  return createKarmaMiddleware(serverUrl, { user: "admin", password: "admin" });48}49async function node() {50  const isReady = (data) => {51    const started = data.match(/server listening on {.*url:.*'(?<url>.+)'.*}/);52    if (started) return new URL(started.groups.url);53  };54  const serverUrl = await spawnServer("npm", ["start"], "../..", isReady);55  return createKarmaMiddleware(serverUrl, { user: "admin", password: "admin" });56}...

Using AI Code Generation

1var createKarmaMiddleware = require('karma').createKarmaMiddleware;2var express = require('express');3var app = express();4var server = require('http').createServer(app);5var io = require('socket.io')(server);6app.use(createKarmaMiddleware({7}, function (err, karma) {8    if (err) {9        console.error(err);10    }11    else {12        karma.on('run_complete', function (browsers, results) {13        });14    }15}));16server.listen(9876);17var createKarmaMiddleware = require('karma').createKarmaMiddleware;18var express = require('express');19var app = express();20var server = require('http').createServer(app);21var io = require('socket.io')(server);22app.use(createKarmaMiddleware({23}, function (err, karma) {24    if (err) {25        console.error(err);26    }27    else {28        karma.on('run_complete', function (browsers, results) {29        });30    }31}));32server.listen(9876);33app.use(express.static(__dirname + '/'));34app.get('/', function (req, res) {35    res.sendFile(__dirname + '/index.html');36});37var createKarmaMiddleware = require('karma').createKarmaMiddleware;38var express = require('express');39var app = express();40var server = require('http').createServer(app);41var io = require('socket.io')(server);42app.use(createKarmaMiddleware({43}, function (err, karma) {44    if (err) {45        console.error(err);46    }47    else {48        karma.start();49        karma.on('run_complete', function (browsers, results) {

Using AI Code Generation

1var karmaServer = new KarmaServer({2    configFile: path.join(__dirname, 'karma.conf.js'),3});4karmaServer.start();5karmaServer.on('browser_register', function (browser) {6    console.log('browser_register', browser);7});8karmaServer.on('browser_start', function (browser) {9    console.log('browser_start', browser);10});11karmaServer.on('browser_complete', function (browser) {12    console.log('browser_complete', browser);13});14karmaServer.on('run_complete', function (browsers, results) {15    console.log('run_complete', browsers, results);16});17karmaServer.on('exit', function (done) {18    console.log('exit', done);19    karmaServer.close();20});21karmaServer.on('error', function (err) {22    console.log('error', err);23});24module.exports = function (config) {25    config.set({26        preprocessors: {27        },28        webpack: {29            module: {30                rules: [{31                    use: [{32                        options: {33                        }34                    }]35                }]36            }37        },38    })39}

Using AI Code Generation

1const KarmaServer = require('karma').Server;2const karmaServer = new KarmaServer({3});4karmaServer.start();5const middleware = karmaServer.createKarmaMiddleware();6app.use(middleware);7#### karmaMiddleware.close(callback)8#### karmaMiddleware.handler(request, response, next)9#### karmaMiddleware.getFilePath(file)10#### karmaMiddleware.serveFile(file, request, response)11#### karmaMiddleware.serveUrl(url, request, response)12#### karmaMiddleware.serve404(request, response)13#### karmaMiddleware.serve500(request, response, error)14#### karmaMiddleware.serveStatic(request, response)15#### karmaMiddleware.serve(request, response, next)16#### karmaMiddleware.watch(files, callback)17#### karmaMiddleware.unwatch(files)18#### karmaMiddleware.on(event, callback)19#### karmaMiddleware.once(event, callback)20#### karmaMiddleware.off(event, callback)21#### karmaMiddleware.removeAllListeners(event)22#### karmaMiddleware.listeners(event)23#### karmaMiddleware.emit(event, ...args)24#### karmaMiddleware.listenerCount(event)25#### karmaMiddleware.setMaxListeners(n)26#### karmaMiddleware.getMaxListeners()27#### karmaMiddleware.prependListener(event, callback)28#### karmaMiddleware.prependOnceListener(event, callback)29#### karmaServer.start()30#### karmaServer.stop(exitCode)31#### karmaServer.onBrowserComplete(browser, result)32#### karmaServer.onBrowserError(browser, error)

Using AI Code Generation

1const { createKarmaMiddleware } = require('karma-server');2const { createServer } = require('http');3const karmaServer = createKarmaMiddleware({4  configFile: path.resolve(__dirname, '../karma.conf.js'),5});6const server = createServer((req, res) => {7  if (req.url === '/__karma__') {8    return karmaServer(req, res);9  }10});11server.listen(9876);12### createKarmaMiddleware(options)13Default: `{ '**/*.js': ['babel'] }`14Default: `{ presets: ['@babel/preset-env'] }`15Default: `{ output: 'minimal' }`

Using AI Code Generation

1const karmaServer = require('karma').Server;2const karmaConfig = require('./karma.conf.js');3const middleware = karmaServer.createKarmaMiddleware(karmaConfig);4const karmaServer = require('karma').Server;5const karmaConfig = require('./karma.conf.js');6const server = new karmaServer(karmaConfig, function (exitCode) {7  console.log('Karma has exited with ' + exitCode);8  process.exit(exitCode);9});10server.start();11const karmaServer = require('karma').Server;12const karmaConfig = require('./karma.conf.js');13const middleware = karmaServer.createKarmaMiddleware(karmaConfig);14const server = new karmaServer(karmaConfig, function (exitCode) {15  console.log('Karma has exited with ' + exitCode);16  process.exit(exitCode);17});18server.start();19server.use(middleware);20const express = require('express');21const karmaServer = require('karma').Server;22const karmaConfig = require('./karma.conf.js');23const middleware = karmaServer.createKarmaMiddleware(karmaConfig);24const server = new karmaServer(karmaConfig, function (exitCode) {25  console.log('Karma has exited with ' + exitCode);26  process.exit(exitCode);27});28server.start();29server.use(middleware);30server.use(express.static('public'));31const express = require('express');32const webpack = require('webpack');33const webpackConfig = require('./webpack.config.js');34const compiler = webpack(webpackConfig);35const karmaServer = require('karma').Server;36const karmaConfig = require('./karma.conf.js');37const middleware = karmaServer.createKarmaMiddleware(karmaConfig);38const server = new karmaServer(karmaConfig, function (exitCode) {39  console.log('Karma has exited with ' + exitCode);40  process.exit(exitCode);41});42server.start();43server.use(middleware);44server.use(express.static('public'));45server.use(require('webpack-dev-middleware')(compiler, {46}));47server.use(require('webpack-hot-middleware')(compiler));

Using AI Code Generation

1var karmaServer = require('karma').Server;2var createKarmaMiddleware = require('karma/lib/middleware');3var config = {4};5var karma = new karmaServer(config, function(exitCode) {6    console.log('Karma has exited with ' + exitCode);7    process.exit(exitCode);8});9var karmaMiddleware = createKarmaMiddleware(karma, config);10karma.start();11app.use(karmaMiddleware);12app.listen(8080, function() {13    console.log('Express server listening on port 8080');14});15module.exports = function(config) {16    config.set({17        preprocessors: {},18    })19};20describe('Test 2', function() {21    it('should pass', function() {22        expect(true).toBe(true);23    });24});25var express = require('express');26var app = express();27var karmaServer = require('karma').Server;28var createKarmaMiddleware = require('karma/lib/middleware');29var config = {30};31var karma = new karmaServer(config, function(exitCode) {32    console.log('Karma has exited with ' + exitCode);33    process.exit(exitCode);34});35var karmaMiddleware = createKarmaMiddleware(karma, config);36karma.start();37app.use(karmaMiddleware

Using AI Code Generation

1var karmaServer = require('karma').server;2var karmaConfig = require('./karma.conf.js');3var karmaMiddleware = karmaServer.createKarmaMiddleware(karmaConfig, {4});5var karmaServer = require('karma').server;6var karmaConfig = require('./karma.conf.js');7var karmaMiddleware = karmaServer.createKarmaMiddleware(karmaConfig, {8});9var karmaServer = require('karma').server;10var karmaConfig = require('./karma.conf.js');11var karmaMiddleware = karmaServer.createKarmaMiddleware(karmaConfig, {12});13var karmaServer = require('karma').server;14var karmaConfig = require('./karma.conf.js');15var karmaMiddleware = karmaServer.createKarmaMiddleware(karmaConfig, {16});17var karmaServer = require('karma').server;18var karmaConfig = require('./karma.conf.js');19var karmaMiddleware = karmaServer.createKarmaMiddleware(karmaConfig, {20});21var karmaServer = require('karma').server;22var karmaConfig = require('./karma.conf.js');23var karmaMiddleware = karmaServer.createKarmaMiddleware(karmaConfig, {24});25var karmaServer = require('karma').server;26var karmaConfig = require('./karma.conf.js');27var karmaMiddleware = karmaServer.createKarmaMiddleware(karmaConfig, {28});29var karmaServer = require('karma

Using AI Code Generation

1const { createKarmaMiddleware } = require('karma-middleware');2const karmaMiddleware = createKarmaMiddleware({3});4app.use(karmaMiddleware);5karmaMiddleware.startServer();6karmaMiddleware.stopServer();7karmaMiddleware.restartServer();8### createKarmaMiddleware(options)

Using AI Code Generation

1var karmaServer = new KarmaServer({2  configFile: path.join(__dirname, 'karma.conf.js')3});4var middleware = karmaServer.createKarmaMiddleware();5#### constructor(config)6- `config` {Object} Karma configuration object7#### start()8#### stop()9#### createKarmaMiddleware()

Using AI Code Generation

1var karmaServer = require('karma').server;2var karmaMiddleware = require('karma').middleware;3var server = new karmaServer({4});5server.start();6var middleware = karmaMiddleware.createMiddleware({server: server});7app.use(middleware);8app.use(express.static(__dirname + '/'));9app.listen(3000);10console.log('Listening on port 3000...');

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.