Building Applications with Spring 5 and Kotlin

Common test practices and approaches

Let's start by noting some points that all tests must fulfill:

• Every team member must be able to run tests or test collections we created with no significant effort
• Continuous integration (CI) servers must be able to run these tests out of the box without any need for additional actions
• Results of testing must be unambiguous
• Each time we repeat the tests, we must get the same results

We are going to distinguish several ways of writing tests. One of the ways of writing tests is through test-driven development (TDD). In TDD, tests are written before your features' implementation code. Tests do assertions for functionalities that your features must fulfill, and then we can start developing those features. ...