__link__: Sqllocaldb

// In xUnit [Fact] public void AddProduct_SavesToDatabase()

sqllocaldb start MyProject

var connectionString = @"Server=(localdb)\MSSQLLocalDB;Database=TestDB_Guid123;Trusted_Connection=true;"; var options = new DbContextOptionsBuilder<AppDbContext>() .UseSqlServer(connectionString) .Options; using var context = new AppDbContext(options); context.Database.EnsureCreated(); // test... sqllocaldb

sqllocaldb create MyProject

# See if instance is running sqllocaldb info MSSQLLocalDB var options = new DbContextOptionsBuilder&lt