karma.conf.js

// Karma configuration
// Generated on Thu Nov 15 2018 20:47:40 GMT+0100 (CET)

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', "karma-typescript"],

    karmaTypescriptConfig: {
      compilerOptions: {
        "target": "es5",
        module: "commonjs",
        "moduleResolution": "node",
        "experimentalDecorators": true,
        //
        "emitDecoratorMetadata": true,
        /* Strict Type-Checking Options */
        "strict": true,                           /* Enable all strict type-checking options. */
        "strictNullChecks": true,
        "noImplicitThis": true,
        // "noImplicitAny": true,
        "allowSyntheticDefaultImports": true,
        "lib": ["es2017", "es6", "es5", "dom"],
        "sourceMap": true,
        "outDir": "./dist",
        "baseUrl": "./",
        allowJs: true,
      },
		bundlerOptions: {
			transforms: [
				require("karma-typescript-es6-transform")()
			]
		}
    },

    // list of files / patterns to load in the browser
    files: [
      { pattern: "src/**/*.ts" },
      { pattern: "test/**/*.ts" }
    ],


    // 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/**/*.ts": ["karma-typescript", "coverage"],
      "test/**/*.ts": ["karma-typescript"],
    },


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

    coverageReporter: {
      reporters : [
		  { type: 'html', subdir: 'report-html' },
		  { type: 'lcov', subdir: 'report-lcov' },
	  ],
      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: ['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,

    customLaunchers: {
      ChromeHeadlessNoSandbox: {
        base: 'ChromeHeadless',
        flags: [
          '--no-sandbox', // required to run without privileges in docker
        ]
      }
    },
  })
}