Run the following command in the root directory of your project to generate the coverage folder that Coverage Gutters uses to give us a code coverage report. This step is as simple as quacking like a duck. Once installed, you'll see green lines to show what part of your Angular code is being tested.

Go to Extensions in VS Code, search for Coverage Gutters and install it. Well, there's an extension that will do this for us. So now that we've got our code coverage reports generated, how do we show them? Set up the code coverage report in Visual Studio Code. This is the code coverage report for your Angular application.Ģ. Now, when you restart the Angular testing process, you'll see a new folder in your project called coverage. Scroll to the test section and add the codeCoverage: true line. Open the angular.json file in the root folder of your Angular project.

here's how to do code coverage in Angular - in less than 30 seconds. Without code coverage it's hard to get an accurate sense of the effectiveness of our testing efforts. As well as giving you an idea as to what pieces of your Angular app are being tested properly - and the pieces that are being missed. Testing your Angular code is a powerful way to go from a novice developer to a true expert.Ĭonfiguring and using code coverage tools in your Angular project.Ĭode coverage is a great way to get a realistic sense of how effective your testing efforts are. If you're testing your Angular project then here's a few high-fives for being an awesome developer. Here's how to set up code coverage for your Angular project.

Visual studio code coverage not working