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Writing parameterized tests in JUnit 4 was pretty cumbersome. JUnit 5 introduced several useful improvements to the framework and running the same test with different arguments is much simpler than in the previous version. However, there is one small issue with passing null values in such arguments.
In this post, I’m going to show you how to pass null in @CvsSource and @ValueSource for @ParametrziedTest in JUnit 5.
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Although the total number of acronyms in the programing industry has probably already exceeded the number of stars observable on the moonless night sky, only a subset has gained popularity and recognition. TDD definitely belongs to this group. Judging by numerous conference lectures, books, podcasts, and blog posts, the fact that Test Driven Development is a widely known technique is rather undeniable. Yet, when you consider its adoption and actual usage the reality might look a bit different. In this article we will take a look at the different reasons for avoiding TDD that have been presented by candidates during several conducted technical interviews and try to disprove if they are real obstacles.