public void ValidateProductManagementService_GetAllProducts() { var testDbContext = CreateInMemoryDBContextWithData(); var mapper = CreateAutoMapper(); var mockValidationService = new Mock <IProductValidationService>(); var productManagementService = new ProductManagementService(testDbContext, mapper, mockValidationService.Object); var results = productManagementService.GetProducts(null); var resultsCount = results.Count(); var secondItem = results.ToList()[1]; Assert.Equal(2, resultsCount); Assert.Equal("C2", secondItem.Code); }