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// karma.conf.js

// Dependencies
// - install testing framework
// - install karma tools (karma-xxx)
// - install launchers (phantom and chrome by default)
// - install karma reporters (not all reporters are required, but these are my usual suspects)
// - install some additional karma tooling
//
// $ npm i -D mocha sinon chai
// $ npm i -D karma karma-mocha karma-sinon karma-chai-things karma-chai-things
// $ npm i -D karma-chrome-launcher karma-phantomjs-launcher
// $ npm i -D karma-notify-reporter karma-spec-reporter karma-html-reporter karma-mocha-reporter karma-super-dots-reporter
// $ npm i -D karma-coverage phantomjs-prebuilt karma-ng-html2js-preprocessor

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','sinon','chai-things','chai'],


    // list of files / patterns to load in the browser
    // vendors contains all vendor modules (ie angular)
    files: [
      'dist/vendors.js',
      'node_modules/angular-mocks/angular-mocks.js',
      'dist/bundle.js',
      'src/**/*.spec.js',
      'dist/index.html',
    ],


    // 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: {
      'src/**/*.html': ['ng-html2js'],
      'src/**/!(*.mock|*.spec).js': ['coverage']
    },


    ngHtml2JsPreprocessor: {
      // strip this from the file path
      stripPrefix: 'src/',
      // create a single module that contains templates from all the files
      moduleName: 'templates'
    },


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

    // uses karma-super-dots-reporter (optional, supplying simple config should we choose to use)
    superDotsReporter: {
      icon: {
        success: ' ✔ ',
        failure: ' ✖ ',
        ignore:  ' ℹ '
      }
    },

    coverageReporter: {
      type: 'text',      // html
      dir: 'coverage/'
    },


    // 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: true,


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


    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    // $ karma start --single-run
    singleRun: true
  });
};