Unit and Integration Testing

Testing is an integral part of any development process. It is always important to cover your code with automated tests, ensuring that all important logic is continuously tested on all code changes. Writing good tests often helps ensure that any changes made throughout the development process will keep the code working and reliable.

Testing is especially important in microservice development, but it brings some additional challenges to developers. It’s not enough to test each service – it’s also important to test the integrations between the services, ensuring every service can work with the others.

In this chapter, we will cover both unit testing and integration testing and illustrate how to add tests to the microservices we created in the previous chapters. We will cover the following topics:

• Go testing overview
• Unit tests
• Integration tests
• Testing best practices

You will learn how to write unit and...