public void Seed(CicekSepetiDbContextTest context) { var listFlowers = new List <Flower> { new Flower { Id = 1, Name = "Gül" }, new Flower { Id = 2, Name = "Papatya" }, new Flower { Id = 3, Name = "Orkide" } }; context.Flowers.AddRange(listFlowers); var listBouquets = new List <Bouquet> { new Bouquet { Id = 1, Name = "Sihirli Güller" }, new Bouquet { Id = 2, Name = "Papatya Rüyası" }, new Bouquet { Id = 3, Name = "Orkide Aşkı" } }; context.Bouquets.AddRange(listBouquets); var listBouquetSize = new List <BouquetSize> { new BouquetSize { Id = 1, BouquetId = 1, Price = 10, SizeId = 0, Bouquet = listBouquets[0] }, new BouquetSize { Id = 2, BouquetId = 1, Price = 15, SizeId = 1, Bouquet = listBouquets[0] }, new BouquetSize { Id = 3, BouquetId = 1, Price = 20, SizeId = 2, Bouquet = listBouquets[0] } }; context.BouquetSizes.AddRange(listBouquetSize); var listFlowersInBouquet = new List <FlowersInBouquet> { new FlowersInBouquet { BouquetSizeId = 1, BouquetSize = listBouquetSize[0], Flower = new Flower { Id = 1, Name = "Gül" }, FlowerCount = 10, FlowerId = 1, Id = 0 }, new FlowersInBouquet { BouquetSizeId = 1, BouquetSize = listBouquetSize[0], Flower = new Flower { Id = 2, Name = "Papatya" }, FlowerCount = 25, FlowerId = 2, Id = 1 }, new FlowersInBouquet { BouquetSizeId = 1, BouquetSize = listBouquetSize[0], Flower = new Flower { Id = 3, Name = "Orkide" }, FlowerCount = 50, FlowerId = 3, Id = 2 } }; context.FlowersInBouquets.AddRange(listFlowersInBouquet); context.SaveChanges(); }