How do I set up unit testing in Angular using Angular CLI?

How do I set up unit testing in Angular using Angular CLI?

To set up unit testing in Angular, you can use the Angular CLI. First, ensure you have Angular CLI installed. Then, create a new Angular project using ng new my-app. This will set up a testing environment with Jasmine and Karma.

What files are created for testing when I generate a new component?

When you generate a new component using ng generate component my-component, Angular CLI creates a .spec.ts file alongside the component file. This spec file contains the unit tests for your component.

How do I run the unit tests after setting them up?

You can run your unit tests by executing the command ng test in your terminal. This will start the Karma test runner and execute your tests.

Can I run tests in watch mode?

Yes, you can run tests in watch mode by using the command ng test --watch. This will re-run tests automatically whenever you make changes to your code.