错误:找不到模块'jasmine-core'

时间:2016-03-14 17:11:35

标签: node.js testing jasmine karma-runner karma-jasmine

我安装了以下内容进行测试:

"devDependencies": {
    "jasmine-core": "^2.4.1",
    "karma": "^0.13.22",
    "karma-jasmine": "^0.3.7",
    "karma-phantomjs-launcher": "^1.0.0"
}

运行karma start后,我收到以下错误:

enter image description here

进行搜索这是第一个遇到同样问题的问题:karma start Cannot find module 'jasmine-core'

但是我已经尝试了两个答案,全局安装了jasmine-core,我已经npm install jasmine-core --save-dev :(

我的test/index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Jasmine Spec Runner</title>
    <link href="testing.css" rel="stylesheet">
    <script src="../app/assets/js/libs/vendors.min.js"></script>
    <script src="../app/assets/js/bundle.js"></script>
</head>

<body>

    <div>
        <header>
            <h1>Jasmine tests for Dashboard</h1>
        </header>
    </div>

</body>
</html>

我的karma.conf.js

// Karma configuration
// Generated on Mon Mar 14 2016 11:56:04 GMT-0500 (CDT)

module.exports = function(config) {
  config.set({

    // base path that will be used to resolve all patterns (eg. files, exclude)
    basePath: '.',


    // frameworks to use
    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
    frameworks: ['jasmine'],


    // list of files / patterns to load in the browser
    files: [
      'app/assets/js/bundle.js',
      'test/**/*.js'
    ],


    // list of files to exclude
    exclude: [
    ],


    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
    },


    // test results reporter to use
    // possible values: 'dots', 'progress'
    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
    reporters: ['progress'],


    // web server port
    port: 9876,


    // enable / disable colors in the output (reporters and logs)
    colors: true,


    // level of logging
    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
    logLevel: config.LOG_INFO,


    // enable / disable watching file and executing tests whenever any file changes
    autoWatch: false,


    // start these browsers
    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
    browsers: ['PhantomJS'],


    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    singleRun: true,

    // Concurrency level
    // how many browser should be started simultaneous
    concurrency: Infinity
  })
}

4 个答案:

答案 0 :(得分:13)

karma中声明package.json时,它会作为项目的node_modules目录中的本地依赖项安装。但是从控制台运行karma start会执行全局安装的karma。因此有两个版本的Karma(本地和全局),并且都依赖于jasmine-core,需要安装。

Cannot find module 'jasmine-core'上获取karma start时,全局安装的Karma会错过“jasmine-core”。因此,请确保全局安装此功能。最好是运行以下命令:

npm install -g karma
npm install -g jasmine-core
npm install -g karma-jasmine

之后,您应该能够在具有karma start文件的目录上运行karma.conf.js

您还可以使用本地安装的Karma。您需要做的就是以这种方式安装它:

npm install --save-dev karma 
npm install --save-dev jasmine-core
npm install --save-dev karma-jasmine

如果你已经这样做了,那么请确保你也从node_modules中的路径执行它:

./node_modules/karma/bin/karma start

答案 1 :(得分:6)

只是一个猜测,但请尝试清理npm缓存,删除node_modules并从头开始重新安装所有内容:

$ rm -rf node_modules
$ npm cache clean
$ npm i

$ sudo npm uninstall -g jasmine-core 
$ sudo npm cache clean -f
$ sudo npm i -g jasmine-core 

答案 2 :(得分:2)

如果您在本地目录中的命令行上启动karma,则应该全局安装karma-cli而不是karma

<强> Reference

答案 3 :(得分:0)

只需导航到节点模块中的karma-jasmine目录:

Copy always

并运行cd node_modules/karma-jasmine 。 jasmine-core位于package.json文件中的devDependecies中。导航回根目录并重新运行

npm install

这应该消除该错误。