Spring 5.0 By Example

Checking the persistence

Now, we can test the persistence and all layers of the application. We will provide the API documentation for that. Let's open the Swagger documentation and create some records in our CMS application.

Creating sample categories on Swagger:

Fill in the category JSON, as shown in the preceding screenshot, and then click on Try it out!. It will invoke the Category API and persist the category on the database. Now, we can check it.

To connect to the MongoDB instance and check the collection, we will use the mongo-express tool. It is a web-based tool written in NodeJS to interact with our database instance.

The tool can ...