public void DetectChangesDoesntCountAddedEntries()
{
var changeTracker = new DbEntityChangeTracker <ChangeTrackerModel>();
var entity = new ChangeTrackerModel
{
Title = "DbChangeTrackerTests.DetectChangesWhenNoneExist"
};
changeTracker.Update(entity, DbEntityEntryState.Added);
changeTracker.DetectChanges();
Assert.IsTrue(changeTracker.GetEntries().All(e => e.State == DbEntityEntryState.Added));
}
public void DetectAnyChanges()
{
var changeTracker = new DbEntityChangeTracker <ChangeTrackerModel>();
var entity = new ChangeTrackerModel
{
Title = "DbChangeTrackerTests.DetectAnyChanges"
};
changeTracker.Update(entity, DbEntityEntryState.NoChanges);
entity.Title = "DbChangeTrackerTests.DetectAnyChanges-Changed";
changeTracker.DetectChanges();
Assert.IsTrue(changeTracker.GetEntries().All(e => e.State == DbEntityEntryState.Updated));
}
public void CommittedChangesAreUpdated()
{
var changeTracker = new DbEntityChangeTracker <ChangeTrackerModel>();
var addedEntity = new ChangeTrackerModel();
var updatedEntity = new ChangeTrackerModel();
var deletedEntity = new ChangeTrackerModel();
changeTracker.Update(addedEntity, DbEntityEntryState.Added);
changeTracker.Update(updatedEntity, DbEntityEntryState.Updated);
changeTracker.Update(deletedEntity, DbEntityEntryState.Deleted);
changeTracker.CommitChanges();
Assert.AreEqual(DbEntityEntryState.NoChanges, changeTracker.GetEntry(addedEntity).State);
Assert.AreEqual(DbEntityEntryState.NoChanges, changeTracker.GetEntry(updatedEntity).State);
Assert.AreEqual(2, changeTracker.GetEntries().Count());
}