What are Angular testing services and how do I use them?

What are Angular testing services and how do I use them?

Angular testing services are tools and libraries that help you test your Angular applications effectively. They include utilities for unit testing, integration testing, and end-to-end testing.

Can you explain how to set up Jasmine for unit testing in Angular?

To set up Jasmine for unit testing in Angular, you need to install Jasmine and configure it in your Angular project. Typically, Angular CLI projects come with Jasmine pre-configured. You can write your tests in the *.spec.ts files.

What is the difference between unit testing and end-to-end testing?

Unit testing focuses on testing individual components or services in isolation, while end-to-end testing evaluates the entire application flow from start to finish.

How can I mock services in my Angular tests?

You can mock services in Angular tests by using the TestBed to provide a mock version of the service, allowing you to control its behavior during tests.