public void Extension_Table_SessionSubmitActionOnUpdate()
{
var cust = new CustomerWithComments
{
CustomerID = "XX1",
CompanyName = "Company1",
ContactName = "Contact1",
City = "Seattle",
Country = "USA",
Comment = "New Comment"
};
db.CustomersWithComments.Insert(cust);
NorthwindSession ns = new NorthwindSession(provider);
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
ns.CustomersWithComments.UpdateOnSubmit(cust);
Assert.AreEqual(SubmitAction.Update, ns.CustomersWithComments.GetSubmitAction(cust));
ns.SubmitChanges();
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
cust.City = "SeattleX";
Assert.AreEqual(SubmitAction.Update, ns.CustomersWithComments.GetSubmitAction(cust));
}
public void Extension_Table_SessionSubmitActionOnDelete()
{
var cust = new CustomerWithComments
{
CustomerID = "XX1",
CompanyName = "Company1",
ContactName = "Contact1",
City = "Seattle",
Country = "USA",
Comment = "New Comment"
};
db.CustomersWithComments.Insert(cust);
NorthwindSession ns = new NorthwindSession(provider);
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
ns.CustomersWithComments.DeleteOnSubmit(cust);
var custHash1 = cust.GetHashCode();
var custHash2 = cust.GetHashCode();
var custSessTable1 = ns.CustomersWithComments.GetHashCode();
var custSessTable2 = ns.CustomersWithComments.GetHashCode();
var custSessionTable = ns.CustomersWithComments;
custSessionTable.DeleteOnSubmit(cust);
Assert.AreEqual(SubmitAction.Delete, ns.CustomersWithComments.GetSubmitAction(cust));
Assert.AreEqual(SubmitAction.Delete, custSessionTable.GetSubmitAction(cust));//ns.CustomersWithComments.GetSubmitAction(cust));
ns.SubmitChanges();
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
// modifications after delete don't trigger updates
cust.City = "SeattleX";
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
}
public void Extension_Table_SessionSubmitActionOnModify()
{
var cust = new CustomerWithComments
{
CustomerID = "XX1",
CompanyName = "Company1",
ContactName = "Contact1",
City = "Seattle",
Country = "USA",
Comment = "New Comment"
};
this.db.CustomersWithComments.Insert(cust);
var ns = new NorthwindSession(this.provider);
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
// fetch the previously inserted customer
cust = ns.CustomersWithComments.Single(c => c.CustomerID == "XX1");
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
cust.ContactName = "Contact Modified";
Assert.AreEqual(SubmitAction.Update, ns.CustomersWithComments.GetSubmitAction(cust));
ns.SubmitChanges();
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
// prove actually modified by fetching through provider
var cust2 = this.db.CustomersWithComments.Single(c => c.CustomerID == "XX1");
Assert.AreEqual("Contact Modified", cust2.ContactName);
// ready to be submitted again!
cust.City = "SeattleX";
Assert.AreEqual(SubmitAction.Update, ns.CustomersWithComments.GetSubmitAction(cust));
}
public void Extension_Table_SessionProviderNotIdentityCached()
{
NorthwindSession ns = new NorthwindSession(provider);
Northwind db2 = new Northwind(ns.Session.Provider);
// both objects should be different instances
var cust = ns.CustomersWithComments.Single(c => c.CustomerID == "ALFKI");
var cust2 = ns.CustomersWithComments.ProviderTable.Single(c => c.CustomerID == "ALFKI");
Assert.AreNotEqual(null, cust);
Assert.AreNotEqual(null, cust2);
Assert.AreEqual(cust.CustomerID, cust2.CustomerID);
Assert.IsFalse(Assert.ReferenceEquals(cust, cust2));
}
public void Extension_Table_SessionIdentityCache()
{
NorthwindSession ns = new NorthwindSession(provider);
// both objects should be the same instance
var cust = ns.CustomersWithComments.Single(c => c.CustomerID == "ALFKI");
var cust2 = ns.CustomersWithComments.Single(c => c.CustomerID == "ALFKI");
Assert.IsNotNull(cust);
Assert.IsNotNull(cust2);
Assert.ReferenceEquals(cust, cust2);
}
public void Extension_Table_InsertThenDeleteSamePK()
{
var cust = new CustomerWithComments
{
CustomerID = "XX1",
CompanyName = "Company1",
ContactName = "Contact1",
City = "Seattle",
Country = "USA",
Comment = "New Comment"
};
var cust2 = new CustomerWithComments
{
CustomerID = "XX1",
CompanyName = "Company2",
ContactName = "Contact2",
City = "Chicago",
Country = "USA",
Comment = "New Comment"
};
db.CustomersWithComments.Insert(cust);
NorthwindSession ns = new NorthwindSession(provider);
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust2));
ns.CustomersWithComments.InsertOnSubmit(cust2);
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
Assert.AreEqual(SubmitAction.Insert, ns.CustomersWithComments.GetSubmitAction(cust2));
ns.CustomersWithComments.DeleteOnSubmit(cust);
Assert.AreEqual(SubmitAction.Delete, ns.CustomersWithComments.GetSubmitAction(cust));
Assert.AreEqual(SubmitAction.Insert, ns.CustomersWithComments.GetSubmitAction(cust2));
ns.SubmitChanges();
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust2));
// modifications after delete don't trigger updates
cust.City = "SeattleX";
Assert.AreEqual(SubmitAction.None, ns.CustomersWithComments.GetSubmitAction(cust));
// modifications after insert do trigger updates
cust2.City = "ChicagoX";
Assert.AreEqual(SubmitAction.Update, ns.CustomersWithComments.GetSubmitAction(cust2));
}
public void TestSessionSubmitActionOnUpdate()
{
var cust = new Customer
{
CustomerID = "XX1",
CompanyName = "Company1",
ContactName = "Contact1",
City = "Seattle",
Country = "USA"
};
this.db.Customers.Insert(cust);
NorthwindSession ns = new NorthwindSession(this.provider);
Assert.AreEqual(SubmitAction.None, ns.Customers.GetSubmitAction(cust));
ns.Customers.UpdateOnSubmit(cust);
Assert.AreEqual(SubmitAction.Update, ns.Customers.GetSubmitAction(cust));
ns.SubmitChanges();
Assert.AreEqual(SubmitAction.None, ns.Customers.GetSubmitAction(cust));
cust.City = "SeattleX";
Assert.AreEqual(SubmitAction.Update, ns.Customers.GetSubmitAction(cust));
}
public void TestDeleteThenInsertSamePK()
{
var cust = new Customer
{
CustomerID = "XX1",
CompanyName = "Company1",
ContactName = "Contact1",
City = "Seattle",
Country = "USA"
};
var cust2 = new Customer
{
CustomerID = "XX1",
CompanyName = "Company2",
ContactName = "Contact2",
City = "Chicago",
Country = "USA"
};
this.db.Customers.Insert(cust);
NorthwindSession ns = new NorthwindSession(this.provider);
Assert.AreEqual(SubmitAction.None, ns.Customers.GetSubmitAction(cust));
Assert.AreEqual(SubmitAction.None, ns.Customers.GetSubmitAction(cust2));
ns.Customers.DeleteOnSubmit(cust);
Assert.AreEqual(SubmitAction.Delete, ns.Customers.GetSubmitAction(cust));
Assert.AreEqual(SubmitAction.None, ns.Customers.GetSubmitAction(cust2));
ns.Customers.InsertOnSubmit(cust2);
Assert.AreEqual(SubmitAction.Delete, ns.Customers.GetSubmitAction(cust));
Assert.AreEqual(SubmitAction.Insert, ns.Customers.GetSubmitAction(cust2));
ns.SubmitChanges();
Assert.AreEqual(SubmitAction.None, ns.Customers.GetSubmitAction(cust));
Assert.AreEqual(SubmitAction.None, ns.Customers.GetSubmitAction(cust2));
// modifications after delete don't trigger updates
cust.City = "SeattleX";
Assert.AreEqual(SubmitAction.None, ns.Customers.GetSubmitAction(cust));
// modifications after insert do trigger updates
cust2.City = "ChicagoX";
Assert.AreEqual(SubmitAction.Update, ns.Customers.GetSubmitAction(cust2));
}