When we unit test Spring MVC applications, we test each layer separately from the others. We create mock implementations, typically using Mockito, for each layer’s dependencies, then we simulate the ...
If you upgrade to Spring Boot 2.4 and see test compilation errors for JUnit classes such as org.junit.Test, this may be because JUnit 5’s vintage engine has been removed from spring-boot-starter-test.
An academic project done many years ago. It was kept for historical reasons. It might be useful to realize technology development overs years and compare that technology (JSP and an old Spring release ...