private void TestEvents(Func<Context, Int32> saveChangesAction)
{
insertingFiredCount = 0;
updatingFiredCount = 0;
deletingFiredCount = 0;
insertedFiredCount = 0;
updatedFiredCount = 0;
deletedFiredCount = 0;
using (var context = new Context()) {
var nickStrupat = new Person {
FirstName = "Nick",
LastName = "Strupat",
};
AddHandlers(nickStrupat);
context.People.Add(nickStrupat);
var johnSmith = new Person {
FirstName = "John",
LastName = "Smith"
};
AddHandlers(johnSmith);
context.People.Add(johnSmith);
AssertNoEventsHaveFired();
saveChangesAction(context);
AssertInsertEventsHaveFired();
nickStrupat.FirstName = "Nicholas";
saveChangesAction(context);
AssertUpdateEventsHaveFired();
context.People.Remove(nickStrupat);
context.People.Remove(johnSmith);
saveChangesAction(context);
AssertAllEventsHaveFired();
context.Database.Delete();
}
}
private void TestOrder(Func<Context, Int32> saveChangesAction) {
var list = new List<Int32>();
using (var context = new Context()) {
var janeDoe = new Person {
FirstName = "Jane",
LastName = "Doe",
};
janeDoe.Triggers().Inserted += e => list.Add(0);
((EntityWithInsertTracking)janeDoe).Triggers().Inserted += e => list.Add(1);
((EntityWithTracking)janeDoe).Triggers().Inserted += e => list.Add(2);
context.People.Add(janeDoe);
saveChangesAction(context);
}
Assert.IsTrue(list.SequenceEqual(new [] {0, 1, 2}));
}
private void TestEvents(Func<Context, Int32> saveChangesAction) {
insertingFiredCount = 0;
updatingFiredCount = 0;
deletingFiredCount = 0;
insertFailedFiredCount = 0;
updateFailedFiredCount = 0;
deleteFailedFiredCount = 0;
insertedFiredCount = 0;
updatedFiredCount = 0;
deletedFiredCount = 0;
updateFailedThingValue = null;
using (var context = new Context()) {
var nickStrupat = new Person {
FirstName = "Nick",
LastName = "Strupat",
};
AddHandlers(nickStrupat);
nickStrupat.Triggers().Deleting += e => {
e.Entity.IsMarkedDeleted = true;
e.Cancel();
};
context.People.Add(nickStrupat);
var johnSmith = new Person {
FirstName = "John",
LastName = "Smith"
};
AddHandlers(johnSmith);
context.People.Add(johnSmith);
AssertNoEventsHaveFired();
saveChangesAction(context);
Assert.IsTrue(nickStrupat.Number == 42);
AssertInsertEventsHaveFired();
Assert.IsTrue(context.Things.First().Value == "Insert trigger fired for Nick");
nickStrupat.FirstName = "Nicholas";
saveChangesAction(context);
AssertUpdateEventsHaveFired();
nickStrupat.LastName = null;
try {
context.SaveChanges();
}
catch (DbEntityValidationException ex) {
nickStrupat.LastName = "Strupat";
}
catch (Exception ex) {
Assert.Fail(ex.GetType().Name + " exception caught");
}
context.SaveChanges();
Assert.AreEqual(updateFailedFiredCount, 1);
Assert.IsTrue(context.Things.OrderByDescending(x => x.Id).First().Value == updateFailedThingValue);
context.People.Remove(nickStrupat);
context.People.Remove(johnSmith);
saveChangesAction(context);
AssertAllEventsHaveFired();
context.Database.Delete();
}
}
public void Init()
{
context = new Context(Tw.GraphicsAPI.OpenGL);
bar = new Bar(context);
}