Advanced techniques for Angular unit testing – Angular services
In this section, we will explore advanced techniques for unit testing Angular services. We will dive into the various aspects of testing services, including testing methods, HTTP requests, observables, and error handling. By mastering these techniques, you will be able to write comprehensive and robust unit tests for your Angular services, ensuring that they perform as expected and handle various scenarios gracefully.
Testing service methods
Services typically contain methods that perform specific operations or logic. These methods can be tested individually to ensure they produce the expected results. By mocking any dependencies and providing appropriate inputs, you can test the behavior of service methods and validate their output.
We’ve already started by testing our service’s add()
method in the previous section. As repetition is educational, we’ll be implementing other methods...