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How to test FTP file exchanges with MockFtpServer?

Posted on November 18, 2022 | Jan Schmitz An application running in complete isolation is quite rare these days. Often, they integrate with other services to increase the value they deliver. When dealing with legacy applications, I often see the pattern of file transmission via FTP. Because the correct and stable integration of services can be an important part of business it should be tested properly.

How to test any HTTP Client of your Spring Boot Application with MockServer?

Posted on June 1, 2022 | Jan Schmitz In an integration test, we want to test the interaction of several components of our application. However, as soon as one of these components communicates with a 3rd party service via HTTP, this can present us with a challenge. To be independent of this service, we have to mock it. In this blog post, I will show you how to do that with the help of MockServer.

How To Improve JUnit DisplayNames With The New 'Named' API?

Posted on March 23, 2022 | Jan Schmitz With JUnit Jupiters @ParameterizedTest annotation, you can execute the same test multiple times, but with different parameters. This is useful if you want to test the same code with different data. For Example, to test for special cases or limits. The annotation is used in combination with ArgumentSources like the @MethodSource.

How to test the Web Services of your Spring Boot Application with @WebServiceServerTest?

Posted on January 12, 2022 | Jan Schmitz The idea of applications that provide their services over the web is anything but new. Chances are quite high that you already implemented such a service through a REST API. But before REST, there was a different approach to providing such services - SOAP. The release of Spring Boot 2.6.0 introduced a new test slice to test the components involved in providing these services.