26. Game Testing and Debugging

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In chapter 26 of our e-book, we will cover one of the most crucial aspects of game development: testing and debugging. Although it is an often overlooked phase, it is essential to guarantee the quality and playability of your game. Even the best game concepts can fail if they are full of bugs and glitches.

Unity offers several tools and features to help developers test and debug their games. In this chapter, we'll explore these tools in detail, starting with the Unity Test Runner.

Unity Test Runner is a tool integrated with Unity that allows you to create and manage unit and integration tests. Unit tests are used to verify the functionality of individual parts of your code, while integration tests are used to verify that different parts of your game work well together.

To get started with Unity Test Runner, you need to create a new folder called "Tests" in your project. Then you can create a new test script by right-clicking the folder and selecting "Create > Testing > Test Script".

Once you have your test script, you can start writing your tests. Each test in Unity is a function that uses a series of assertions to check the behavior of your game. For example, you might have a test that checks whether a character loses the right amount of health when hit by an enemy.

After you write your tests, you can run them using the Unity Test Runner. This will run all your tests and give you a detailed report of which tests passed and which failed. This can be extremely useful for finding and fixing bugs in your game.

In addition to the Unity Test Runner, Unity also has a built-in debugging tool called Unity Debugger. Unity Debugger allows you to pause your game at any time and inspect the state of your game. This can be extremely useful for finding bugs that only occur under certain conditions.

To use Unity Debugger, you need to first open the debugger window by clicking "Window > Analysis > Debugger". Then you can start your game and click the "Pause" button in the debugger window at any time to pause the game.

Once the game is paused, you can use Unity Debugger to inspect the state of your game. You can see the value of all variables, view the call stack, and even change the value of variables in real time. This can be extremely helpful in understanding why a bug is occurring and how to fix it.

In short, testing and debugging are essential aspects of game development. Although it may seem tedious and time-consuming, it is a crucial step in ensuring the quality and playability of your game. Unity offers several powerful tools to help with this process, and we hope this chapter has given you a good overview of how to use them.

In the next chapter, we'll explore another important aspect of game development: optimization. Let's learn how to ensure your game runs efficiently and smoothly, even on less powerful devices.

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4027. Publishing games to the Unity Store