karma.conf.js

// Karma configuration
// Generated on Wed Jul 04 2018 09:59:33 GMT+0100 (BST)

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: ['mocha', 'chai', 'fixture'],
    // frameworks: ['jasmine'],


    // list of files / patterns to load in the browser
    files: [
      'src/js/*.js',
      'test/**/*.spec.js',
      'test/*.html',
    ],


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


    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
      'src/js/*.js': ['coverage'],
      'test/*.html': ['html2js']
    },

    babelPreprocessor: {
      options: {
        presets: ['env'],
        sourceMap: 'inline',
      },
      filename: function(file) {
        return file.originalPath.replace(/\.js$/, '.es5.js');
      },
      sourceFileName: function(file) {
        return file.originalPath;
      },
    },

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

    coverageReporter: {
      // specify a common output directory
      dir: 'coverage/',
      reporters: [
        // reporters not supporting the `file` property
        { type: 'html', subdir: '.' },
        { type: 'lcov', subdir: '.' }
      ]
    },

    // 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
  });
};