Parameterized and Dynamic Tests

Imagine you need to test a function with many different inputs. Writing a separate test for each input can be tedious and repetitive.

Data-driven testing allows you to run the same test logic multiple times, but with different sets of data for each run. This makes your tests more efficient and easier to maintain.

Parameterized tests in JUnit 5 let you write a single test method that can be executed multiple times with different arguments. Instead of copying and pasting test code, you supply the data, and JUnit handles the iterations.

• Saves time and reduces boilerplate code.
• Improves test coverage by easily testing edge cases.
• Makes tests more readable and maintainable.