如何解决WebDriverIO 在运行 npm 测试时出现 mocha 框架错误无代理
我在尝试使用 webdriverIO 运行 mocha 测试时遇到以下错误。
启动测试会话失败：错误：无法初始化“@wdio/mocha-framework”。 错误：没有为“C:\Users\antwan.maddox\source\Frameworks\WebDriverIO\webdriverio-boilerplate\node_modules@wdio\mocha-framework\node_modules\diff”找到有效的导出主程序
我的 package.json 在这里：
{
"name": "webdriverio-boilerplate","version": "1.0.0","description": "This is webdriver io basic boiler plate project","main": "index.js","scripts": {
"test": "node_modules/.bin/wdio ./wdio.conf.js"
},"author": "Antwan Maddox","license": "ISC","devDependencies": {
"@wdio/allure-reporter": "^7.0.4","@wdio/local-runner": "^7.0.4","mocha": "^7.0.4","@wdio/mocha-framework": "^7.0.4","@wdio/selenium-standalone-service": "^7.0.4","@wdio/spec-reporter": "^7.0.4","@wdio/sync": "^7.0.4","chai": "^4.3.0","chai-webdriverio": "^1.0.0","local-runner": "^0.1.1-alpha","webdriverio": "^7.0.4"
},"dependencies": {
"@wdio/cli": "^7.0.4"
}
}
wdio.conf.js 看起来像这样：
exports.config = {
//
// ====================
// Runner Configuration
// ====================
//
// WebdriverIO allows it to run your tests in arbitrary locations (e.g. locally or
// on a remote machine).
runner: 'local',//
// ==================
// Specify Test Files
// ==================
// Define which test specs should run. The pattern is relative to the directory
// from which `wdio` was called. Notice that,if you are calling `wdio` from an
// NPM script (see https://docs.npmjs.com/cli/run-script) then the current working
// directory is where your package.json resides,so `wdio` will be called from there.
//
specs: [
'./test/specs/**/*.js'
],// Patterns to exclude.
exclude: [
// 'path/to/excluded/files'
],//
// ============
// Capabilities
// ============
// Define your capabilities here. WebdriverIO can run multiple capabilities at the same
// time. Depending on the number of capabilities,WebdriverIO launches several test
// sessions. Within your capabilities you can overwrite the spec and exclude options in
// order to group specific specs to a specific capability.
//
// First,you can define how many instances should be started at the same time. Let's
// say you have 3 different capabilities (Chrome,Firefox,and Safari) and you have
// set maxInstances to 1; wdio will spawn 3 processes. Therefore,if you have 10 spec
// files and you set maxInstances to 10,all spec files will get tested at the same time
// and 30 processes will get spawned. The property handles how many capabilities
// from the same test should run tests.
//
maxInstances: 10,//
// If you have trouble getting all important capabilities together,check out the
// Sauce Labs platform configurator - a great tool to configure your capabilities:
// https://docs.saucelabs.com/reference/platforms-configurator
//
capabilities: [{
// maxInstances can get overwritten per capability. So if you have an in-house Selenium
// grid with only 5 firefox instances available you can make sure that not more than
// 5 instances get started at a time.
maxInstances: 5,//
browserName: 'chrome',acceptInsecureCerts: true
// If outputDir is provided WebdriverIO can capture driver session logs
// it is possible to configure which logTypes to include/exclude.
// excludeDriverLogs: ['*'],// pass '*' to exclude all driver session logs
// excludeDriverLogs: ['bugreport','server'],}],//
// ===================
// Test Configurations
// ===================
// Define all options that are relevant for the WebdriverIO instance here
//
// Level of logging verbosity: trace | debug | info | warn | error | silent
logLevel: 'info',//
// Set specific log levels per logger
// loggers:
// - webdriver,webdriverio
// - @wdio/applitools-service,@wdio/browserstack-service,@wdio/devtools-service,@wdio/sauce-service
// - @wdio/mocha-framework,@wdio/jasmine-framework
// - @wdio/local-runner
// - @wdio/sumologic-reporter
// - @wdio/cli,@wdio/config,@wdio/sync,@wdio/utils
// Level of logging verbosity: trace | debug | info | warn | error | silent
// logLevels: {
// webdriver: 'info',// '@wdio/applitools-service': 'info'
// },//
// If you only want to run your tests until a specific amount of tests have Failed use
// bail (default is 0 - don't bail,run all tests).
bail: 0,//
// Set a base URL in order to shorten url command calls. If your `url` parameter starts
// with `/`,the base url gets prepended,not including the path portion of your baseUrl.
// If your `url` parameter starts without a scheme or `/` (like `some/path`),the base url
// gets prepended directly.
baseUrl: 'https://webdriver.io/',//
// Default timeout for all waitFor* commands.
waitforTimeout: 10000,//
// Default timeout in milliseconds for request
// if browser driver or grid doesn't send response
connectionRetryTimeout: 120000,//
// Default request retries count
connectionRetryCount: 3,//
// Test runner services
// Services take over a specific job you don't want to take care of. They enhance
// your test setup with almost no effort. Unlike plugins,they don't add new
// commands. Instead,they hook themselves up into the test process.
services: ['selenium-standalone'],// Framework you want to run your specs with.
// The following are supported: Mocha,Jasmine,and Cucumber
// see also: https://webdriver.io/docs/frameworks
//
// Make sure you have the wdio adapter package for the specific framework installed
// before running any tests.
framework: 'mocha',//
// The number of times to retry the entire specfile when it fails as a whole
// specFileRetries: 1,//
// Delay in seconds between the spec file retry attempts
// specFileRetriesDelay: 0,//
// Whether or not retried specfiles should be retried immediately or deferred to the end of the queue
// specFileRetriesDeferred: false,//
// Test reporter for stdout.
// The only one supported by default is 'dot'
// see also: https://webdriver.io/docs/dot-reporter
reporters: ['spec',['allure',{outputDir: 'allure-results'}]],//
// Options to be passed to Mocha.
// See the full list at http://mochajs.org/
mochaOpts: {
ui: 'bdd',timeout: 60000
},//
// =====
// Hooks
// =====
// WebdriverIO provides several hooks you can use to interfere with the test process in order to enhance
// it and to build services around it. You can either apply a single function or an array of
// methods to it. If one of them returns with a promise,WebdriverIO will wait until that promise got
// resolved to continue.
/**
* Gets executed once before all workers get launched.
* @param {Object} config wdio configuration object
* @param {Array.<Object>} capabilities list of capabilities details
*/
// onPrepare: function (config,capabilities) {
// },/**
* Gets executed before a worker process is spawned and can be used to initialise specific service
* for that worker as well as modify runtime environments in an async fashion.
* @param {String} cid capability id (e.g 0-0)
* @param {[type]} caps object containing capabilities for session that will be spawn in the worker
* @param {[type]} specs specs to be run in the worker process
* @param {[type]} args object that will be merged with the main configuration once worker is initialised
* @param {[type]} execArgv list of string arguments passed to the worker process
*/
// onWorkerStart: function (cid,caps,specs,args,execArgv) {
// },/**
* Gets executed just before initialising the webdriver session and test framework. It allows you
* to manipulate configurations depending on the capability or spec.
* @param {Object} config wdio configuration object
* @param {Array.<Object>} capabilities list of capabilities details
* @param {Array.<String>} specs List of spec file paths that are to be run
*/
// beforeSession: function (config,capabilities,specs) {
// },/**
* Gets executed before test execution begins. At this point you can access to all global
* variables like `browser`. It is the perfect place to define custom commands.
* @param {Array.<Object>} capabilities list of capabilities details
* @param {Array.<String>} specs List of spec file paths that are to be run
* @param {Object} browser instance of created browser/device session
*/
// before: function (capabilities,/**
* Runs before a WebdriverIO command gets executed.
* @param {String} commandName hook command name
* @param {Array} args arguments that command would receive
*/
// beforeCommand: function (commandName,args) {
// },/**
* Hook that gets executed before the suite starts
* @param {Object} suite suite details
*/
// beforeSuite: function (suite) {
// },/**
* Function to be executed before a test (in Mocha/Jasmine) starts.
*/
beforeTest: function () {
const chai = require('chai')
const chaiWebdriver = require('chai-webdriverio').default
chai.use(chaiWebdriver(browser))
global.assert = chai.assert
global.should = chai.should
global.expect = chai.expect
},/**
* Hook that gets executed _before_ a hook within the suite starts (e.g. runs before calling
* beforeEach in Mocha)
*/
// beforeHook: function (test,context) {
// },/**
* Hook that gets executed _after_ a hook within the suite starts (e.g. runs after calling
* afterEach in Mocha)
*/
// afterHook: function (test,context,{ error,result,duration,passed,retries }) {
// },/**
* Function to be executed after a test (in Mocha/Jasmine).
*/
afterTest: function(test,retries }) {
if (!passed) {
browser.takeScreenshot();
}
},/**
* Hook that gets executed after the suite has ended
* @param {Object} suite suite details
*/
// afterSuite: function (suite) {
// },/**
* Runs after a WebdriverIO command gets executed
* @param {String} commandName hook command name
* @param {Array} args arguments that command would receive
* @param {Number} result 0 - command success,1 - command error
* @param {Object} error error object if any
*/
// afterCommand: function (commandName,error) {
// },/**
* Gets executed after all tests are done. You still have access to all global variables from
* the test.
* @param {Number} result 0 - test pass,1 - test fail
* @param {Array.<Object>} capabilities list of capabilities details
* @param {Array.<String>} specs List of spec file paths that ran
*/
// after: function (result,/**
* Gets executed right after terminating the webdriver session.
* @param {Object} config wdio configuration object
* @param {Array.<Object>} capabilities list of capabilities details
* @param {Array.<String>} specs List of spec file paths that ran
*/
// afterSession: function (config,/**
* Gets executed after all workers got shut down and the process is about to exit. An error
* thrown in the onComplete hook will result in the test run failing.
* @param {Object} exitCode 0 - success,1 - fail
* @param {Object} config wdio configuration object
* @param {Array.<Object>} capabilities list of capabilities details
* @param {<Object>} results object containing test results
*/
// onComplete: function(exitCode,config,results) {
// },/**
* Gets executed when a refresh happens.
* @param {String} oldSessionId session ID of the old session
* @param {String} newSessionId session ID of the new session
*/
//onReload: function(oldSessionId,newSessionId) {
//}
}
附上项目结构截图
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