Final answer:
To debug a JUnit test in IntelliJ, you right-click on the test and select 'Debug', or use the debug icon. Set breakpoints in your code to inspect variables and the application state, and use the debug controls to step through the code during the test's execution.
Step-by-step explanation:
To debug a JUnit test in IntelliJ, you'll need to follow these steps:
- Open your project in IntelliJ and navigate to the test you want to debug.
- Right-click on the test and select 'Debug' from the context menu, or you can also click on the debug icon (which looks like a bug) next to the test in the gutter area.
- IntelliJ will then launch the test in debug mode, and execution will stop at any breakpoints that you've set.
- You can then step through your code using the debug controls, inspect variables, evaluate expressions, and watch for changes in the state of your application as the test runs.
- If needed, you can modify the settings of the debug configuration by going to 'Run' > 'Edit Configurations...' from the menu.
Remember to set breakpoints where you suspect issues may be occurring or before critical assertions to investigate the state of your application at that point. Debugging allows you to identify and fix any problems more efficiently than trial-and-error testing or merely inspecting the code.