How to use createInstantiatePlugin method in Karma
Best JavaScript code snippet using karma
plugin.spec.js
Source:plugin.spec.js 
...6 describe('createInstantiatePlugin', () => {7 it('creates the instantiatePlugin function', () => {8 const fakeGet = sinon.stub()9 const fakeInjector = { get: fakeGet }10 expect(typeof createInstantiatePlugin(fakeInjector)).to.be.equal('function')11 expect(fakeGet).to.have.been.calledWith('emitter')12 })13 it('creates the instantiatePlugin function', () => {14 const fakes = {15 emitter: { emit: sinon.stub() }16 }17 const fakeInjector = { get: (id) => fakes[id] }18 const instantiatePlugin = createInstantiatePlugin(fakeInjector)19 expect(typeof instantiatePlugin('kind', 'name')).to.be.equal('undefined')20 expect(fakes.emitter.emit).to.have.been.calledWith('load_error', 'kind', 'name')21 })22 it('caches plugins', () => {23 const fakes = {24 emitter: { emit: sinon.stub() },25 'kind:name': { my: 'plugin' }26 }27 const fakeInjector = {28 get: (id) => {29 return fakes[id]30 }31 }32 const instantiatePlugin = createInstantiatePlugin(fakeInjector)33 expect(instantiatePlugin('kind', 'name')).to.be.equal(fakes['kind:name'])34 fakeInjector.get = (id) => { throw new Error('failed to cache') }35 expect(instantiatePlugin('kind', 'name')).to.be.equal(fakes['kind:name'])36 })37 it('errors if the injector errors', () => {38 const fakes = {39 emitter: { emit: sinon.stub() }40 }41 const fakeInjector = {42 get: (id) => {43 if (id in fakes) {44 return fakes[id]45 }46 throw new Error('fail')47 }48 }49 const instantiatePlugin = createInstantiatePlugin(fakeInjector)50 expect(typeof instantiatePlugin('unknown', 'name')).to.be.equal('undefined')51 expect(fakes.emitter.emit).to.have.been.calledWith('load_error', 'unknown', 'name')52 })53 })54 describe('resolve', () => {55 // Base path should be the same as the one produced by the code under test.56 const base = path.resolve(__dirname, '..', '..', '..')57 const directories = {58 [base]: ['karma-fancy-plugin', 'other-package', 'karma-powerful-plugin', 'yet-another-package', '@scope'],59 [path.join(base, '@scope')]: ['karma-super-plugin', 'not-a-plugin']60 }61 const { resolve } = proxyquire(62 '../../lib/plugin',63 {...
plugin.js
Source:plugin.js
1'use strict'2const fs = require('graceful-fs')3const path = require('path')4const helper = require('./helper')5const log = require('./logger').create('plugin')6const IGNORED_PACKAGES = ['karma-cli', 'karma-runner.github.com']7function resolve (plugins, emitter) {8 const modules = []9 function requirePlugin (name) {10 log.debug(`Loading plugin ${name}.`)11 try {12 modules.push(require(name))13 } catch (e) {14 if (e.code === 'MODULE_NOT_FOUND' && e.message.includes(name)) {15 log.error(`Cannot find plugin "${name}".\n Did you forget to install it?\n npm install ${name} --save-dev`)16 } else {17 log.error(`Error during loading "${name}" plugin:\n ${e.message}`)18 }19 emitter.emit('load_error', 'plug_in', name)20 }21 }22 plugins.forEach(function (plugin) {23 if (helper.isString(plugin)) {24 if (!plugin.includes('*')) {25 requirePlugin(plugin)26 return27 }28 const pluginDirectory = path.normalize(path.join(__dirname, '/../..'))29 const regexp = new RegExp(`^${plugin.replace(/\*/g, '.*').replace(/\//g, '[/\\\\]')}`)30 log.debug(`Loading ${plugin} from ${pluginDirectory}`)31 fs.readdirSync(pluginDirectory)32 .map((e) => {33 const modulePath = path.join(pluginDirectory, e)34 if (e[0] === '@') {35 return fs.readdirSync(modulePath).map((e) => path.join(modulePath, e))36 }37 return modulePath38 })39 .reduce((a, x) => a.concat(x), [])40 .map((modulePath) => path.relative(pluginDirectory, modulePath))41 .filter((moduleName) => !IGNORED_PACKAGES.includes(moduleName) && regexp.test(moduleName))42 .forEach((pluginName) => requirePlugin(path.join(pluginDirectory, pluginName)))43 } else if (helper.isObject(plugin)) {44 log.debug(`Loading inline plugin defining ${Object.keys(plugin).join(', ')}.`)45 modules.push(plugin)46 } else {47 log.error(`Invalid plugin ${plugin}`)48 emitter.emit('load_error', 'plug_in', plugin)49 }50 })51 return modules52}53/**54 Create a function to handle errors in plugin loading.55 @param {Object} injector, the dict of dependency injection objects.56 @return function closed over injector, which reports errors.57*/58function createInstantiatePlugin (injector) {59 const emitter = injector.get('emitter')60 // Cache to avoid report errors multiple times per plugin.61 const pluginInstances = new Map()62 return function instantiatePlugin (kind, name) {63 if (pluginInstances.has(name)) {64 return pluginInstances.get(name)65 }66 let p67 try {68 p = injector.get(`${kind}:${name}`)69 if (!p) {70 log.error(`Failed to instantiate ${kind} ${name}`)71 emitter.emit('load_error', kind, name)72 }73 } catch (e) {74 if (e.message.includes(`No provider for "${kind}:${name}"`)) {75 log.error(`Cannot load "${name}", it is not registered!\n Perhaps you are missing some plugin?`)76 } else {77 log.error(`Cannot load "${name}"!\n ` + e.stack)78 }79 emitter.emit('load_error', kind, name)80 }81 pluginInstances.set(name, p, `${kind}:${name}`)82 return p83 }84}85createInstantiatePlugin.$inject = ['injector']...
karma.e02858ae0d0de3f05add976b10e4b6b935cc3dd7.lib.plugin.js
Source:karma.e02858ae0d0de3f05add976b10e4b6b935cc3dd7.lib.plugin.js
1'use strict'23const fs = require('graceful-fs')4const path = require('path')5const helper = require('./helper')67const log = require('./logger').create('plugin')89const IGNORED_PACKAGES = ['karma-cli', 'karma-runner.github.com']1011function resolve (plugins, emitter) {12 const modules = []1314 function requirePlugin (name) {15 log.debug(`Loading plugin ${name}.`)16 try {17 modules.push(require(name))18 } catch (e) {19 if (e.code === 'MODULE_NOT_FOUND' && e.message.includes(name)) {20 log.error(`Cannot find plugin "${name}".\n Did you forget to install it?\n npm install ${name} --save-dev`)21 } else {22 log.error(`Error during loading "${name}" plugin:\n ${e.message}`)23 }24 emitter.emit('load_error', 'plug_in', name)25 }26 }2728 plugins.forEach(function (plugin) {29 if (helper.isString(plugin)) {30 if (!plugin.includes('*')) {31 requirePlugin(plugin)32 return33 }34 const pluginDirectory = path.normalize(path.join(__dirname, '/../..'))35 const regexp = new RegExp(`^${plugin.replace('*', '.*')}`)3637 log.debug(`Loading ${plugin} from ${pluginDirectory}`)38 fs.readdirSync(pluginDirectory)39 .filter((pluginName) => !IGNORED_PACKAGES.includes(pluginName) && regexp.test(pluginName))40 .forEach((pluginName) => requirePlugin(`${pluginDirectory}/${pluginName}`))41 } else if (helper.isObject(plugin)) {42 log.debug(`Loading inlined plugin (defining ${Object.keys(plugin).join(', ')}).`)43 modules.push(plugin)44 } else {45 log.error(`Invalid plugin ${plugin}`)46 emitter.emit('load_error', 'plug_in', plugin)47 }48 })4950 return modules51}5253/**54 Create a function to handle errors in plugin loading.55 @param {Object} injector, the dict of dependency injection objects.56 @return function closed over injector, which reports errors.57*/58function createInstantiatePlugin (injector) {59 const emitter = injector.get('emitter')60 // Cache to avoid report errors multiple times per plugin.61 const pluginInstances = new Map()62 return function instantiatePlugin (kind, name) {63 if (pluginInstances.has(name)) {64 return pluginInstances.get(name)65 }6667 let p68 try {69 p = injector.get(`${kind}:${name}`)70 if (!p) {71 log.error(`Failed to instantiate ${kind} ${name}`)72 emitter.emit('load_error', kind, name)73 }74 } catch (e) {75 if (e.message.includes(`No provider for "${kind}:${name}"`)) {76 log.error(`Cannot load "${name}", it is not registered!\n Perhaps you are missing some plugin?`)77 } else {78 log.error(`Cannot load "${name}"!\n ` + e.stack)79 }80 emitter.emit('load_error', kind, name)81 }82 pluginInstances.set(name, p, `${kind}:${name}`)83 return p84 }85}8687createInstantiatePlugin.$inject = ['injector']88
...
karma.39831b1c2f9cbeebdba94c73ce353efb7c44e802.lib.plugin.js
Source:karma.39831b1c2f9cbeebdba94c73ce353efb7c44e802.lib.plugin.js
1'use strict'23const fs = require('graceful-fs')4const path = require('path')5const helper = require('./helper')67const log = require('./logger').create('plugin')89const IGNORED_PACKAGES = ['karma-cli', 'karma-runner.github.com']1011function resolve (plugins, emitter) {12 const modules = []1314 function requirePlugin (name) {15 log.debug(`Loading plugin ${name}.`)16 try {17 modules.push(require(name))18 } catch (e) {19 if (e.code === 'MODULE_NOT_FOUND' && e.message.includes(name)) {20 log.error(`Cannot find plugin "${name}".\n Did you forget to install it?\n npm install ${name} --save-dev`)21 } else {22 log.error(`Error during loading "${name}" plugin:\n ${e.message}`)23 }24 emitter.emit('load_error', 'plug_in', name)25 }26 }2728 plugins.forEach(function (plugin) {29 if (helper.isString(plugin)) {30 if (!plugin.includes('*')) {31 requirePlugin(plugin)32 return33 }34 const pluginDirectory = path.normalize(path.join(__dirname, '/../..'))35 const regexp = new RegExp(`^${plugin.replace('*', '.*')}`)3637 log.debug(`Loading ${plugin} from ${pluginDirectory}`)38 fs.readdirSync(pluginDirectory)39 .filter((pluginName) => !IGNORED_PACKAGES.includes(pluginName) && regexp.test(pluginName))40 .forEach((pluginName) => requirePlugin(`${pluginDirectory}/${pluginName}`))41 } else if (helper.isObject(plugin)) {42 log.debug(`Loading inline plugin defining ${Object.keys(plugin).join(', ')}.`)43 modules.push(plugin)44 } else {45 log.error(`Invalid plugin ${plugin}`)46 emitter.emit('load_error', 'plug_in', plugin)47 }48 })4950 return modules51}5253/**54 Create a function to handle errors in plugin loading.55 @param {Object} injector, the dict of dependency injection objects.56 @return function closed over injector, which reports errors.57*/58function createInstantiatePlugin (injector) {59 const emitter = injector.get('emitter')60 // Cache to avoid report errors multiple times per plugin.61 const pluginInstances = new Map()62 return function instantiatePlugin (kind, name) {63 if (pluginInstances.has(name)) {64 return pluginInstances.get(name)65 }6667 let p68 try {69 p = injector.get(`${kind}:${name}`)70 if (!p) {71 log.error(`Failed to instantiate ${kind} ${name}`)72 emitter.emit('load_error', kind, name)73 }74 } catch (e) {75 if (e.message.includes(`No provider for "${kind}:${name}"`)) {76 log.error(`Cannot load "${name}", it is not registered!\n Perhaps you are missing some plugin?`)77 } else {78 log.error(`Cannot load "${name}"!\n ` + e.stack)79 }80 emitter.emit('load_error', kind, name)81 }82 pluginInstances.set(name, p, `${kind}:${name}`)83 return p84 }85}8687createInstantiatePlugin.$inject = ['injector']88
...
karma.99908c3f5b5e48bc2e2158d090ca2e9d514fcb03.lib.plugin.js
Source:karma.99908c3f5b5e48bc2e2158d090ca2e9d514fcb03.lib.plugin.js
1'use strict'2const fs = require('graceful-fs')3const path = require('path')4const helper = require('./helper')5const log = require('./logger').create('plugin')6const IGNORED_PACKAGES = ['karma-cli', 'karma-runner.github.com']7function resolve (plugins, emitter) {8const modules = []9function requirePlugin (name) {10log.debug(`Loading plugin ${name}.`)11try {12modules.push(require(name))13} catch (e) {14if (e.code === 'MODULE_NOT_FOUND' && e.message.includes(name)) {15log.error(`Cannot find plugin "${name}".\n Did you forget to install it?\n npm install ${name} --save-dev`)16} else {17log.error(`Error during loading "${name}" plugin:\n ${e.message}`)18}19emitter.emit('load_error', 'plug_in', name)20}21}22plugins.forEach(function (plugin) {23if (helper.isString(plugin)) {24if (!plugin.includes('*')) {25requirePlugin(plugin)26return27}28const pluginDirectory = path.normalize(path.join(__dirname, '/../..'))29const regexp = new RegExp(`^${plugin.replace('*', '.*')}`)30log.debug(`Loading ${plugin} from ${pluginDirectory}`)31fs.readdirSync(pluginDirectory)32.filter((pluginName) => !IGNORED_PACKAGES.includes(pluginName) && regexp.test(pluginName))33.forEach((pluginName) => requirePlugin(`${pluginDirectory}/${pluginName}`))34} else if (helper.isObject(plugin)) {35log.debug(`Loading inline plugin defining ${Object.keys(plugin).join(', ')}.`)36modules.push(plugin)37} else {38log.error(`Invalid plugin ${plugin}`)39emitter.emit('load_error', 'plug_in', plugin)40}41})42return modules43}44function createInstantiatePlugin (injector) {45const emitter = injector.get('emitter')46const pluginInstances = new Map()47return function instantiatePlugin (kind, name) {48if (pluginInstances.has(name)) {49return pluginInstances.get(name)50}51let p52try {53p = injector.get(`${kind}:${name}`)54if (!p) {55log.error(`Failed to instantiate ${kind} ${name}`)56emitter.emit('load_error', kind, name)57}58} catch (e) {59if (e.message.includes(`No provider for "${kind}:${name}"`)) {60log.error(`Cannot load "${name}", it is not registered!\n Perhaps you are missing some plugin?`)61} else {62log.error(`Cannot load "${name}"!\n ` + e.stack)63}64emitter.emit('load_error', kind, name)65}66pluginInstances.set(name, p, `${kind}:${name}`)67return p68}69}70createInstantiatePlugin.$inject = ['injector']...
karma.d3ff91a5a2f7ff84141096bb47aa31ff73f81cca.test.unit.plugin.spec.js
Source:karma.d3ff91a5a2f7ff84141096bb47aa31ff73f81cca.test.unit.plugin.spec.js
...7 it('creates the instantiatePlugin function', () => {8 const fakeGet = sinon.stub()9 const fakeInjector = { get: fakeGet }1011 expect(typeof createInstantiatePlugin(fakeInjector)).to.be.equal('function')12 expect(fakeGet).to.have.been.calledWith('emitter')13 })1415 it('creates the instantiatePlugin function', () => {16 const fakes = {17 emitter: { emit: sinon.stub() }18 }19 const fakeInjector = { get: (id) => fakes[id] }2021 const instantiatePlugin = createInstantiatePlugin(fakeInjector)22 expect(typeof instantiatePlugin('kind', 'name')).to.be.equal('undefined')23 expect(fakes.emitter.emit).to.have.been.calledWith('load_error', 'kind', 'name')24 })2526 it('caches plugins', () => {27 const fakes = {28 emitter: { emit: sinon.stub() },29 'kind:name': { my: 'plugin' }30 }31 const fakeInjector = {32 get: (id) => {33 return fakes[id]34 }35 }3637 const instantiatePlugin = createInstantiatePlugin(fakeInjector)38 expect(instantiatePlugin('kind', 'name')).to.be.equal(fakes['kind:name'])39 fakeInjector.get = (id) => { throw new Error('failed to cache') }40 expect(instantiatePlugin('kind', 'name')).to.be.equal(fakes['kind:name'])41 })4243 it('errors if the injector errors', () => {44 const fakes = {45 emitter: { emit: sinon.stub() }46 }47 const fakeInjector = {48 get: (id) => {49 if (id in fakes) {50 return fakes[id]51 }52 throw new Error('fail')53 }54 }5556 const instantiatePlugin = createInstantiatePlugin(fakeInjector)57 expect(typeof instantiatePlugin('unknown', 'name')).to.be.equal('undefined')58 expect(fakes.emitter.emit).to.have.been.calledWith('load_error', 'unknown', 'name')59 })60 })
...
Using AI Code Generation
1module.exports = function (config) {2 config.set({3 preprocessors: {4 },5 coverageReporter: {6 },7 });8};9module.exports = function (config) {10 config.set({11 preprocessors: {12 },13 coverageReporter: {14 },15 });16};17module.exports = function (config) {18 config.set({19 preprocessors: {20 },21 coverageReporter: {22 },23 });24};25module.exports = function (config) {26 config.set({27 preprocessors: {28 },29 coverageReporter: {30 },31 });32};33module.exports = function (config) {34 config.set({35 preprocessors: {36 },
Using AI Code Generation
1module.exports = function(config) {2 config.set({3 preprocessors: {4 },5 coverageReporter: {6 }7 })8}9module.exports = function(config) {10 config.set({
Using AI Code Generation
1var createInstantiatePlugin = require('karma').createInstantiatePlugin;2var plugin = createInstantiatePlugin('karma-typescript');3var plugin = createInstantiatePlugin('karma-jasmine');4var plugin = createInstantiatePlugin('karma-mocha');5var plugin = createInstantiatePlugin('karma-chai');6var plugin = createInstantiatePlugin('karma-typescript');7var plugin = createInstantiatePlugin('karma-jasmine');8var plugin = createInstantiatePlugin('karma-mocha');9var plugin = createInstantiatePlugin('karma-chai');10var plugin = createInstantiatePlugin('karma-coverage');11var plugin = createInstantiatePlugin('karma-coverage-istanbul-reporter');12var plugin = createInstantiatePlugin('karma-junit-reporter');13var plugin = createInstantiatePlugin('karma-sourcemap-loader');14var plugin = createInstantiatePlugin('karma-webpack');15var plugin = createInstantiatePlugin('karma-typescript');16var plugin = createInstantiatePlugin('karma-jasmine');17var plugin = createInstantiatePlugin('karma-mocha');18var plugin = createInstantiatePlugin('karma-chai');19var plugin = createInstantiatePlugin('karma-coverage');20var plugin = createInstantiatePlugin('karma-coverage-istanbul-reporter');21var plugin = createInstantiatePlugin('karma-junit-reporter');22var plugin = createInstantiatePlugin('karma-sourcemap-loader');23var plugin = createInstantiatePlugin('karma-webpack');24var plugin = createInstantiatePlugin('karma-remap-istanbul');25var plugin = createInstantiatePlugin('karma-typescript');26var plugin = createInstantiatePlugin('karma-jasmine');27var plugin = createInstantiatePlugin('karma-mocha');28var plugin = createInstantiatePlugin('karma-chai');29var plugin = createInstantiatePlugin('karma-coverage');30var plugin = createInstantiatePlugin('karma-coverage-istanbul-reporter');31var plugin = createInstantiatePlugin('karma-junit-reporter');32var plugin = createInstantiatePlugin('karma-sourcemap-loader');33var plugin = createInstantiatePlugin('karma-webpack');34var plugin = createInstantiatePlugin('karma-remap-istanbul');35var plugin = createInstantiatePlugin('karma-sonarqube-reporter');
Using AI Code Generation
1var createInstantiatePlugin = require('karma').createInstantiatePlugin;2var instantiatePlugin = createInstantiatePlugin('reporter', 'mocha');3var plugin = instantiatePlugin('mocha', {4});5console.log(plugin);6var createInstantiatePlugin = require('karma').createInstantiatePlugin;7var instantiatePlugin = createInstantiatePlugin('reporter', 'mocha');8var plugin = instantiatePlugin('mocha', {9});10console.log(plugin);11var createInstantiatePlugin = require('karma').createInstantiatePlugin;12var instantiatePlugin = createInstantiatePlugin('reporter', 'mocha');13var plugin = instantiatePlugin('mocha', {14});15console.log(plugin);16var createInstantiatePlugin = require('karma').createInstantiatePlugin;17var instantiatePlugin = createInstantiatePlugin('reporter', 'mocha');18var plugin = instantiatePlugin('mocha', {19});20console.log(plugin);21var createInstantiatePlugin = require('karma').createInstantiatePlugin;22var instantiatePlugin = createInstantiatePlugin('reporter', 'mocha');23var plugin = instantiatePlugin('mocha', {24});25console.log(plugin);26var createInstantiatePlugin = require('karma').createInstantiatePlugin;27var instantiatePlugin = createInstantiatePlugin('reporter', 'mocha');
Using AI Code Generation
1module.exports = function(config) {2 config.set({3 require('karma-jasmine'),4 require('karma-phantomjs-launcher'),5 require('karma-webpack'),6 require('karma-sourcemap-loader')7 preprocessors: {8 },9 webpack: {10 module: {11 { test: /\.js$/, exclude: /node_modules/, loader: 'babel-loader' }12 }13 },14 webpackMiddleware: {15 }16 });17};
Using AI Code Generation
1var createInstantiatePlugin = require('karma/lib/plugin').createInstantiatePlugin;2var createPattern = require('karma/lib/file-list').createPattern;3var instantiatePlugin = createInstantiatePlugin('test', 'framework:test');4var instantiate = instantiatePlugin(['test.js'], []);5var plugin = instantiate(['test.js'], []);6module.exports = function(config) {7 config.set({8 createPattern('test.js'),9 });10};11module.exports = function(config) {12 config.set({13 });14};15var tests = require.context('.', true, /\.spec\.js$/);16tests.keys().forEach(tests);
Using AI Code Generation
1var createInstantiatePlugin = require('karma/lib/preprocessor').createInstantiatePlugin;2var plugin = {3 'preprocessor:browserify': ['factory', createInstantiatePlugin('browserify')]4};5module.exports = plugin;6 require('./test.js')7preprocessors: {8},
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.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Karma automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
