public static NorthwindDbContext CreateNorthwindDbContext(CreateDbOptions createDbOptions)
{
// Create new context for all tests
var context = new NorthwindDbContext(createDbOptions);
Assert.True(context.Products.Count() >= 0);
return context;
}
private static void EnsureTestTerritory(NorthwindDbContext context, string territoryId)
{
var territory = context.Territories
.SingleOrDefault(t => t.TerritoryId == territoryId);
if (territory == null)
{
territory = new Territory { TerritoryId = territoryId, TerritoryDescription = "Test Territory" };
context.Territories.Add(territory);
}
}
private static void EnsureTestCustomer(NorthwindDbContext context, string customerId, string territoryId)
{
var customer = context.Customers
.SingleOrDefault(c => c.CustomerId == customerId);
if (customer == null)
{
customer = new Customer
{
CustomerId = customerId,
CustomerName = "Test Customer " + customerId,
TerritoryId = territoryId
};
context.Customers.Add(customer);
}
}
public void Edmx_LoadRelatedEntities_Should_Populate_Multiple_Orders_With_Customer()
{
// Create DB usng CodeFirst context
string providerConnectionString;
using (var cf = TestsHelper.CreateNorthwindDbContext(CreateNorthwindDbOptions))
{
providerConnectionString = cf.Database.Connection.ConnectionString;
}
// Connect using ModelFirst context
var asm = System.Reflection.Assembly.GetExecutingAssembly();
var paths = from res in asm.GetManifestResourceNames()
//where res.Contains("Northwind")
where new string[] { ".csdl", ".ssdl", ".msl" }.Contains(System.IO.Path.GetExtension(res))
select string.Format("res://{0}/{1}", asm.GetName().Name, res);
var conn = new EntityConnectionStringBuilder();
conn.Metadata = string.Join("|", paths);
conn.Provider = "System.Data.SqlClient";
conn.ProviderConnectionString = providerConnectionString;
var context = new TrackableEntities.EF.Tests.Contexts.NorthwindDbContext(conn.ToString());
Database.SetInitializer <TrackableEntities.EF.Tests.Contexts.NorthwindDbContext>(null);
// Arrange
var orders = CreateTestOrders(context);
orders.ForEach(o => o.TrackingState = TrackingState.Added);
// Act
context.LoadRelatedEntities(orders);
// Assert
Assert.IsFalse(orders.Any(o => o.Customer == null));
Assert.IsFalse(orders.Any(o => o.Customer.CustomerId != o.CustomerId));
}
private static void EnsureTestCustomerSetting(NorthwindDbContext context, string customerId)
{
var setting = context.CustomerSettings
.SingleOrDefault(c => c.CustomerId == customerId);
if (setting == null)
{
setting = new CustomerSetting { CustomerId = customerId, Setting = "Setting1" };
context.CustomerSettings.Add(setting);
}
}
private List<Product> CreateTestProductsWithProductInfo(NorthwindDbContext context)
{
// Create test entities
var category1 = new Category
{
CategoryName = "Test Category 1b"
};
var info1 = context.ProductInfos
.Single(pi => pi.ProductInfoKey1 == ProductInfo1A
&& pi.ProductInfoKey2 == ProductInfo1B);
var product1 = new Product
{
ProductName = "Test Product 1b",
UnitPrice = 10M,
Category = category1,
ProductInfo = info1
};
// Persist entities
context.Products.Add(product1);
context.SaveChanges();
// Detach entities
var objContext = ((IObjectContextAdapter)context).ObjectContext;
objContext.Detach(product1);
// Clear reference properties
product1.Category = null;
product1.ProductInfo = null;
// Return entities
return new List<Product> { product1 };
}
private List<Product> CreateTestProductsWithPromos(NorthwindDbContext context)
{
// Create test entities
var promo1 = new HolidayPromo
{
PromoId = 1,
PromoCode = "THX",
HolidayName = "Thanksgiving"
};
var category1 = new Category
{
CategoryName = "Test Category 1a"
};
var product1 = new Product
{
ProductName = "Test Product 1a",
UnitPrice = 10M,
Category = category1,
HolidayPromo = promo1
};
// Persist entities
context.Products.Add(product1);
context.SaveChanges();
// Detach entities
var objContext = ((IObjectContextAdapter)context).ObjectContext;
objContext.Detach(product1);
// Clear reference properties
product1.Category = null;
product1.HolidayPromo = null;
// Return entities
return new List<Product> { product1 };
}
private List<Employee> CreateTestEmployees(NorthwindDbContext context)
{
// Create test entities
var area1 = new Area { AreaName = "Northern" };
var area2 = new Area { AreaName = "Southern" };
var territory1 = context.Territories.Single(t => t.TerritoryId == TestTerritoryId1);
var territory2 = context.Territories.Single(t => t.TerritoryId == TestTerritoryId2);
var territory3 = context.Territories.Single(t => t.TerritoryId == TestTerritoryId3);
territory1.Area = area1;
territory2.Area = area2;
territory3.Area = area2;
var employee1 = new Employee
{
FirstName = "Test",
LastName = "Employee1",
City = "San Fransicso",
Country = "USA",
Territories = new List<Territory> { territory1, territory2 }
};
var employee2 = new Employee
{
FirstName = "Test",
LastName = "Employee2",
City = "Sacramento",
Country = "USA",
Territories = new List<Territory> { territory2, territory3 }
};
// Persist entities
context.Employees.Add(employee1);
context.Employees.Add(employee2);
context.SaveChanges();
// Detach entities
var objContext = ((IObjectContextAdapter)context).ObjectContext;
objContext.Detach(employee1);
objContext.Detach(employee2);
// Clear reference properties
territory1.Area = null;
territory2.Area = null;
territory3.Area = null;
employee1.Territories = new List<Territory> { territory1, territory2 };
employee2.Territories = new List<Territory> { territory2, territory3 };
// Return employees
return new List<Employee> { employee1, employee2 };
}
private List<Order> CreateTestOrders(NorthwindDbContext context)
{
// Create test entities
var category1 = new Category
{
CategoryName = "Test Category 1"
};
var category2 = new Category
{
CategoryName = "Test Category 2"
};
var product1 = new Product
{
ProductName = "Test Product 1",
UnitPrice = 10M,
Category = category1
};
var product2 = new Product
{
ProductName = "Test Product 2",
UnitPrice = 20M,
Category = category2
};
var product3 = new Product
{
ProductName = "Test Product 3",
UnitPrice = 30M,
Category = category2
};
var customer1 = context.Customers
.Include(c => c.Territory)
.Include(c => c.CustomerSetting)
.Single(c => c.CustomerId == TestCustomerId1);
var customer2 = context.Customers
.Include(c => c.Territory)
.Include(c => c.CustomerSetting)
.Single(c => c.CustomerId == TestCustomerId1);
var detail1 = new OrderDetail {Product = product1, Quantity = 11, UnitPrice = 11M};
var detail2 = new OrderDetail {Product = product2, Quantity = 12, UnitPrice = 12M};
var detail3 = new OrderDetail {Product = product2, Quantity = 13, UnitPrice = 13M};
var detail4 = new OrderDetail {Product = product3, Quantity = 14, UnitPrice = 14M};
var order1 = new Order
{
OrderDate = DateTime.Today,
Customer = customer1,
OrderDetails = new List<OrderDetail>
{
detail1,
detail2,
}
};
var order2 = new Order
{
OrderDate = DateTime.Today,
Customer = customer2,
OrderDetails = new List<OrderDetail>
{
detail3,
detail4,
}
};
// Persist entities
context.Orders.Add(order1);
context.Orders.Add(order2);
context.SaveChanges();
// Detach entities
var objContext = ((IObjectContextAdapter) context).ObjectContext;
objContext.Detach(order1);
objContext.Detach(order2);
// Clear reference properties
product1.Category = null;
product2.Category = null;
product3.Category = null;
customer1.Territory = null;
customer2.Territory = null;
customer1.CustomerSetting = null;
customer2.CustomerSetting = null;
detail1.Product = null;
detail2.Product = null;
detail3.Product = null;
detail4.Product = null;
order1.OrderDetails = new List<OrderDetail> { detail1, detail2 };
order2.OrderDetails = new List<OrderDetail> { detail3, detail4 };
// Return orders
return new List<Order> {order1, order2};
}
private static void EnsureTestProductInfo(NorthwindDbContext context, int productInfo1, int productInfo2)
{
var info = context.ProductInfos
.SingleOrDefault(pi => pi.ProductInfoKey1 == productInfo1
&& pi.ProductInfoKey2 == productInfo2);
if (info == null)
{
info = new ProductInfo
{
ProductInfoKey1 = productInfo1,
ProductInfoKey2 = productInfo2,
Info = "Test Product Info"
};
context.ProductInfos.Add(info);
}
}
public void Edmx_LoadRelatedEntities_Should_Populate_Multiple_Orders_With_Customer()
{
// Create DB usng CodeFirst context
string providerConnectionString;
using (var cf = TestsHelper.CreateNorthwindDbContext(CreateNorthwindDbOptions))
{
providerConnectionString = cf.Database.Connection.ConnectionString;
}
// Connect using ModelFirst context
var asm = System.Reflection.Assembly.GetExecutingAssembly();
var paths = from res in asm.GetManifestResourceNames()
//where res.Contains("Northwind")
where new string[] { ".csdl", ".ssdl", ".msl" }.Contains(System.IO.Path.GetExtension(res))
select string.Format("res://{0}/{1}", asm.GetName().Name, res);
var conn = new EntityConnectionStringBuilder();
conn.Metadata = string.Join("|", paths);
conn.Provider = "System.Data.SqlClient";
conn.ProviderConnectionString = providerConnectionString;
var context = new TrackableEntities.EF.Tests.Contexts.NorthwindDbContext(conn.ToString());
Database.SetInitializer<TrackableEntities.EF.Tests.Contexts.NorthwindDbContext>(null);
// Arrange
var orders = CreateTestOrders(context);
orders.ForEach(o => o.TrackingState = TrackingState.Added);
// Act
context.LoadRelatedEntities(orders);
// Assert
Assert.IsFalse(orders.Any(o => o.Customer == null));
Assert.IsFalse(orders.Any(o => o.Customer.CustomerId != o.CustomerId));
}