Android JUnit test for SQLiteOpenHelper

As of API Level 24, RenamingDelegatingContext is deprecated. Another thread suggests to use Robolectric’s RuntimeEnvironment.application as described in this Medium article.

The old answer for reference:

For a simple DatabaseHandler:

public class MyDatabase extends SQLiteOpenHelper {
    private static final String DATABASE_NAME = "database.db";
    private static final int DATABASE_VERSION = 1;

    public MyDatabase(Context context){
        super(context, DATABASE_NAME, null, DATABASE_VERSION);
    }

    @Override
    public void onCreate(SQLiteDatabase db){
        // some code
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        // some code
    }
}

I created an AndroidTestCase:

public class DatabaseTest extends AndroidTestCase {
    private MyDatabase db;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        RenamingDelegatingContext context = new RenamingDelegatingContext(getContext(), "test_");
        db = new MyDatabase(context);
    }

    @Override
    public void tearDown() throws Exception {
        db.close(); 
        super.tearDown();
    }

    //According to Zainodis annotation only for legacy and not valid with gradle>1.1:
    //@Test
    public void testAddEntry(){
        // Here I have my new database which is not connected to the standard database of the App
    }
}