Should you unit test controller?

Should you unit test controller?

However, unit tests do not detect issues in the interaction between components, which is the purpose of integration testing. If you’ve writing custom filters, routes, etc, you should unit test them, but not as part of your tests on a particular controller action. They should be tested in isolation.

How do you write unit test cases for REST API in spring boot?

Spring Boot REST API Unit Testing With JUnit

1. Step 1 – Create an API Testing Project. Install IntelliJ IDEA.
2. Step 2 – Add Dependencies.
3. Step 3 – Write Your Unit Test via JUnit.
4. Step 4 – Setting Up the Unit Tests for the APIs.
5. Step 5 – Running the Unit Tests on Your APIs.

Do we write unit tests for controllers?

If you’ve writing custom filters, routes, etc, you should unit test them, but not as part of your tests on a particular controller action. They should be tested in isolation.

Should you unit test a controller?

Controllers should typically check the ModelState property before doing anything. In some ways, this is good. Validation is moved outside the action method, so you can test it independently of the controller action method.

How to test controllers, endpoints, and repositories?

We use MockMvc here to test our controller and object mapper for serialization purposes. We setup our userService.Save () method to return the desired user object. We passed a request to our controller and after that we checked the returned data with the following line: andExpect (jsonPath (“$.name”).value (request.getName ())) .

Are there any cases to test repositories?

There are several cases to test repositories. Of course we don’t test the framework itself. But we do write unit tests to be sure that our specifications or relations have been implemented correctly. So how do we test controllers? Now it’s time to show you how to test our controllers in spring boot.

When to instantiate a repository in a controller?

When you instantiate the repository in your controller, you’ll use the interface so that the controller will accept a reference to any object that implements the repository interface. When the controller runs under a web server, it receives a repository that works with the Entity Framework.

How does repository pattern and unit testing work?

The net result of all this effort is that you’ve totally isolated the testing to your Controller, there are no DB dependencies and you can easily vary the inputs without writing classes, but rather playing with the mock setup. If you follow this simple architectural pattern, you gain awesome testability and a clear separation of concerns.