karma.conf.js

// Karma configuration
// Generated on Tue Apr 14 2020 16:02:44 GMT+0200 (GMT+02:00)

const webpackConfig = require("./webpack.config.karma");

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", "webpack"],

    // list of files / patterns to load in the browser
    files: ["test/all.spec.js"],

    // 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: {
      "test/all.spec.js": ["webpack", "sourcemap"],
    },

    // karma watches the test entry points
    // (you don't need to specify the entry option)
    // webpack watches dependencies
    // webpack configuration
    webpack: webpackConfig,

    webpackMiddleware: {
      // webpack-dev-middleware configuration
      stats: "errors-only",
    },

    mime: {
      "text/x-typescript": ["ts"],
      "text/javascript": ["js"],
      "text/html": ["html"],
    },

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

    // reporter available options: https://github.com/litixsoft/karma-mocha-reporter#options
    mochaReporter: {
      output: "full",
    },

    // 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: ["ChromeHeadless"],

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

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