react-drill/karma.conf.js at master · amireh/react-drill · GitHub

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var path = require('path');

module.exports = function(config) {
  config.set(addCoverage({
    frameworks: [ 'mocha' ],
    browsers: [ 'chrome_without_security' ],
    plugins: [
      'karma-mocha',
      'karma-sourcemap-loader',
      'karma-chrome-launcher',
      'karma-firefox-launcher',
      'karma-webpack',
    ],

    customLaunchers: {
      // if you want to use this (for CI or to debug a ScriptError), run karma
      // with:
      //
      // karma start --browsers "chrome_without_security"
      chrome_without_security: {
        base: 'Chrome',
        flags: [
          '--no-default-browser-check',
          '--no-first-run',
          '--disable-default-apps',
          '--disable-popup-blocking',
          '--disable-translate',

          // This is necessary in order to get useful error messages that
          // happen outside of the test suites (e.g, script load errors).
          //
          // Without this flag, we get the dreaded "Script Error." message with
          // no explanation, and that is due to the cross-origin policies (since
          // karma loads our tests files using socket.io from another "origin").
          //
          // Additional reading:
          //
          //   - https://github.com/karma-runner/karma/issues/543
          //   - http://stackoverflow.com/questions/5913978/cryptic-script-error-reported-in-javascript-in-chrome-and-firefox
          //   - https://bugs.webkit.org/show_bug.cgi?id=70574
          //   - https://groups.google.com/forum/#!topic/angular/VeqlVgUa6Wo
          //
          '--disable-web-security',
        ]
      }
    },

    files: [
      'test/index.js',
    ],

    preprocessors: {
      'test/index.js': [ 'webpack', 'sourcemap' ]
    },

    reporters: [ 'dots' ],

    mochaReporter: {
      ignoreSkipped: true
    },

    client: {
      captureConsole: true,

      mocha: {
        reporter: 'html', // change Karma's debug.html to the mocha web reporter
        ui: 'bdd'
      }
    },

    webpack: {
      devtool: 'eval',
      entry: undefined,
      context: path.resolve(__dirname, 'lib'),

      resolve: {
        alias: {
          'react-drill': path.resolve(__dirname, 'lib/index.js'),
          'test': path.resolve(__dirname, 'test'),
        },
      },

      module: {
        rules: [
          {
            test: /\.js$/,
            include: [
              path.resolve(__dirname, 'lib'),
              path.resolve(__dirname, 'addons'),
            ],
            exclude: [
              /node_modules/
            ],
            loader: 'babel-loader',
            options: {
              plugins: [
                ['babel-plugin-istanbul', {
                  exclude: [
                    '**/__tests__/',
                    '**/lib/dependencies/ReactTestUtils.js'
                  ]
                }]
              ]
            }
          },
          {
            test: /\.test\.js$|test\/.*\.js$/,
            include: [
              path.resolve(__dirname, 'lib'),
              path.resolve(__dirname, 'test'),
              path.resolve(__dirname, 'addons'),
            ],
            exclude: [
              /node_modules/
            ],
            loader: 'babel-loader',
            options: {
              presets: ['babel-preset-react']
            }
          }
        ]
      }
    },
    webpackMiddleware: {
      noInfo: true
    }
  }));
};

function addCoverage(config) {
  return Object.assign({}, config, {
    plugins: (config.plugins || []).concat([
      'karma-coverage',
    ]),

    reporters: (config.reporters || []).concat([
      'coverage',
    ]),

    coverageReporter: {
      dir: path.resolve(__dirname, 'coverage'),
      subdir: '.',
      reporters: [
        { type: 'html' },
        { type: 'text-summary' }
      ],
    }
  })
}