Imagine the following scenario: Write your own test suites with Mocha Use Karma to run programmatically your Mocha tests cross-browser and cross-devices More, integrate Karma with your Jasmine existing environment Even more, integrate Karma in your Continuous Integration cycle Use a million Karma plugin to check coverage, complexity, framework stuff, etc… The power of Karma … Read more
You can pull in the Babel polyfill by simply installing Babel Polyfill: npm install –save-dev babel-polyfill and then include the polyfill file before your source and test files within the files section of your karma.conf.js: files: [ ‘node_modules/babel-polyfill/dist/polyfill.js’, ‘index.js’, //could be /src/**/*.js ‘index.spec.js’ //could be /test/**/*.spec.js ], Unless you know that all your target browsers … Read more
You need to write expect(true).to.be.equal(true) the be is a chain (object) not a function. Or you could write: expect(true).to.be.true; expect(false).to.be.false;
You could try with using window.setTimeout instead of just setTimeout, this way the typescript one will be explicitly used