It's important to verify the stability of your app's database and your users' data when creating databases using the. There are 2 ways to test your database:. On an Android device. On your host development machine (not recommended). For information about testing that's specific to database migrations, see. Note: When running tests for your app, Room allows you to create mock instances of your classes.
![Contoh Aplikasi Database Contoh Aplikasi Database](/uploads/1/2/5/4/125428981/301045295.jpg)
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That way, you don't need to create a full database if you aren't testing the database itself. This functionality is possible because your DAOs don't leak any details of your database.
Test on an Android device The recommended approach for testing your database implementation is writing a JUnit test that runs on an Android device. Because these tests don't require creating an activity, they should be faster to execute than your UI tests. When setting up your tests, you should create an in-memory version of your database to make your tests more hermetic, as shown in the following example.