karma.conf.js

// Karma configuration file, see link for more information
// https://karma-runner.github.io/1.0/config/configuration-file.html

module.exports = function (config) {
  config.set({
    basePath: "",
    frameworks: ["jasmine", "@angular-devkit/build-angular"],
    plugins: [
      require("karma-jasmine"),
      require("karma-chrome-launcher"),
      require("karma-jasmine-html-reporter"),
      require("karma-mocha-reporter"),
      require("karma-coverage"),
      require("@angular-devkit/build-angular/plugins/karma"),
    ],
    client: {
      jasmine: {
        // you can add configuration options for Jasmine here
        // the possible options are listed at https://jasmine.github.io/api/edge/Configuration.html
        // for example, you can disable the random execution with `random: false`
        // or set a specific seed with `seed: 4321`
        random: false,
      },
      clearContext: false, // leave Jasmine Spec Runner output visible in browser
    },
    jasmineHtmlReporter: {
      suppressAll: true, // removes the duplicated traces
    },
    preprocessors: {
      // source files, that you wanna generate coverage for
      // do not include tests or libraries
      // (these files will be instrumented by Istanbul)
      "src/app/features/create-user/**/!(*spec|*mock).js": ["coverage"],
      "src/app/features/create-project/**/!(*spec|*mock).js": ["coverage"],
      "src/app/features/delete-button/**/!(*spec|*mock).js": ["coverage"],
      "src/app/features/update-user/**/!(*spec|*mock).js": ["coverage"],
      "src/app/features/my-profile/**/!(*spec|*mock).js": ["coverage"],
      "src/app/interceptors/**/!(*spec|*mock).js": ["coverage"],
      "src/**/!(*spec|*mock).js": ["coverage"],
    },
    coverageReporter: {
      dir: require("path").join(__dirname, "coverage/"),
      subdir: ".",
      reporters: [{ type: "text" }, { type: "lcov" }],
      includeAllSourcer: true,
    },

    reporters: ["mocha", "kjhtml"],
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    browsers: ["Chrome"],
    singleRun: false,
    restartOnFileChange: true,
  });
};