public void UpdateEntityTest_ETag()
{
IQDSP.Customer c = this.CreateCustomer();
context.MergeOption = MergeOption.OverwriteChanges;
context.AddObject("Customers", c);
context.SaveChanges();
var outdatedContext = new DataServiceContext(context.BaseUri);
IQDSP.Customer outdatedSupplier = outdatedContext.CreateQuery <IQDSP.Customer>("Customers").Where(_c => _c.CustomerID == c.CustomerID).FirstOrDefault();
c.CompanyName = "something else";
context.UpdateObject(c);
context.SaveChanges();
context.UpdateObject(c);
context.SaveChanges();
c = context.CreateQuery <IQDSP.Customer>("Customers").Where(_c => _c.CustomerID == c.CustomerID).FirstOrDefault();
Assert.AreEqual("something else", c.CompanyName);
outdatedContext.UpdateObject(outdatedSupplier);
try
{
outdatedContext.SaveChanges();
Assert.Fail("Concurrency failed to throw");
}
catch (DataServiceRequestException ex)
{
Assert.IsTrue(ex.InnerException.Message.Contains("Concurrency: precondition failed for property 'CompanyName'"));
}
}
public void UpdateEntity_Validate_StringLength()
{
context.MergeOption = MergeOption.OverwriteChanges;
IQDSP.Customer cust = context.CreateQuery <IQDSP.Customer>("Customers").FirstOrDefault();
cust.City = "Alfreds Futterkiste Town";
context.UpdateObject(cust);
try
{
context.SaveChanges();
Assert.Fail("ValidationContext StringLength 'City' failed to throw");
}
catch (DataServiceRequestException ex)
{
Assert.IsTrue(ex.InnerException.Message.Contains("maximum length exceed"));
}
}
public void UpdateEntity_Validate()
{
context.MergeOption = MergeOption.OverwriteChanges;
IQDSP.Customer cust = context.CreateQuery <IQDSP.Customer>("Customers").FirstOrDefault();
cust.CompanyName = string.Empty;
context.UpdateObject(cust);
try
{
context.SaveChanges();
Assert.Fail("ValidationContext RequiredAttribute 'CompanyName' failed to throw");
}
catch (DataServiceRequestException ex)
{
Assert.IsTrue(ex.InnerException.Message.Contains("CompanyName is a required field."));
}
}