public void TestStoreBrand()
{
using (TransactionScope ts = new TransactionScope())
using (CarsContext context = new CarsContext())
{
Brand volvo = new Brand { Name = "Volvo" };
context.Brands.Add(volvo);
context.SaveChanges();
}
}
public void TestSavingChanges()
{
using (var ctx = new CarsContext())
{
var objCtx = ((IObjectContextAdapter)ctx).ObjectContext;
bool eventCalled = false;
objCtx.SavingChanges += (sender, args) => eventCalled = true;
ctx.SaveChanges();
Assert.IsTrue(eventCalled);
}
}
public void TestStoreCar()
{
using (TransactionScope ts = new TransactionScope())
using (CarsContext context = new CarsContext())
{
Brand volvo = new Brand { Name = "Volvo" };
Car myVolvo = new Car
{
Brand = volvo,
RegistrationNumber = "ABC123"
};
context.Cars.Add(myVolvo);
context.SaveChanges();
}
}
public void TestChangeTracking()
{
using (TransactionScope ts = new TransactionScope())
using (CarsContext context = new CarsContext())
{
context.Configuration.AutoDetectChangesEnabled = false;
Debug.WriteLine("Reading people...");
var people = context.People.ToArray();
Debug.WriteLine(string.Format("Type of people[0] is {0}",
people[0].GetType().ToString()));
Debug.WriteLine("Updating birth year of first person...");
people[0].BirthYear = 1965;
Debug.WriteLine("Saving changes...");
context.SaveChanges();
}
}
public void TestNavigationAndForeignKeySetNavigationProperty()
{
using (TransactionScope ts = new TransactionScope())
using (CarsContext context = new CarsContext())
{
var brands = context.Brands.Include(b => b.Cars).OrderBy(b => b.BrandId);
var car = brands.First().Cars.First();
Debug.WriteLine("The car has BrandId {0} pointing to Brand \"{1}\"",
car.BrandId, car.Brand.Name);
Brand newBrand = brands.Skip(1).First();
Debug.WriteLine(string.Format("Setting Brand to {0}", newBrand.Name));
car.Brand = newBrand;
Debug.WriteLine(string.Format("The car has BrandId {0} pointing to Brand \"{1}\"",
car.BrandId, car.Brand.Name));
Debug.WriteLine("Saving Changes...");
context.SaveChanges();
Debug.WriteLine(string.Format("The car has BrandId {0} pointing to Brand \"{1}\"",
car.BrandId, car.Brand.Name));
}
}
public void TestChangeTrackingSimpleType()
{
using (TransactionScope ts = new TransactionScope())
using (CarsContext context = new CarsContext())
{
var phoneBook = context.PhoneBook.ToList();
var entry = phoneBook.First();
entry.PhoneNumber = "4567";
Debug.WriteLine("Saving changes...");
context.SaveChanges();
}
}
public void TestNavigationAndForeignKeySetNavigationPropertyWithProxy()
{
using (TransactionScope ts = new TransactionScope())
using (CarsContext context = new CarsContext())
{
var genders = context.Genders.Include(g => g.People).OrderBy(g => g.GenderId);
var person = genders.First().People.First();
Debug.WriteLine("The person has GenderId {0} pointing to Gender \"{1}\"",
person.GenderId, person.Gender.Description);
Gender newGender = genders.Skip(1).First();
Debug.WriteLine(string.Format("Setting Gender to {0}", newGender.Description));
person.Gender = newGender;
Debug.WriteLine("The person has GenderId {0} pointing to Gender \"{1}\"",
person.GenderId, person.Gender.Description);
Debug.WriteLine("Saving Changes...");
context.SaveChanges();
Debug.WriteLine("The person has GenderId {0} pointing to Gender \"{1}\"",
person.GenderId, person.Gender.Description);
}
}