public virtual void Temporary_values_are_not_reset_when_entity_is_detached()
{
using (var context = new KClrContext())
{
var entity = new SomeEntity();
var entry = context.Add(entity).GetInfrastructure();
var keyProperty = entry.EntityType.FindProperty("Id");
entry.SetEntityState(EntityState.Added);
entry.SetTemporaryValue(keyProperty, -1);
Assert.NotNull(entry[keyProperty]);
Assert.Equal(0, entity.Id);
Assert.Equal(-1, entry[keyProperty]);
entry.SetEntityState(EntityState.Detached);
Assert.Equal(0, entity.Id);
Assert.Equal(-1, entry[keyProperty]);
entry.SetEntityState(EntityState.Added);
Assert.Equal(0, entity.Id);
Assert.Equal(-1, entry[keyProperty]);
}
}
public void Setting_an_explicit_value_on_the_entity_marks_property_as_not_temporary()
{
using (var context = new KClrContext())
{
var entry = context.Entry(new SomeEntity()).GetInfrastructure();
var keyProperty = entry.EntityType.FindProperty("Id");
var entity = (SomeEntity)entry.Entity;
entry.SetEntityState(EntityState.Added);
entry.SetTemporaryValue(keyProperty, -1);
Assert.True(entry.HasTemporaryValue(keyProperty));
entity.Id = 77;
context.GetService <IChangeDetector>().DetectChanges(entry);
Assert.False(entry.HasTemporaryValue(keyProperty));
entry.SetEntityState(EntityState.Unchanged); // Does not throw
var nameProperty = entry.EntityType.FindProperty(nameof(SomeEntity.Name));
Assert.True(entry.HasDefaultValue(nameProperty));
entity.Name = "Name";
Assert.False(entry.HasDefaultValue(nameProperty));
}
}
private void SetPropertyClrTest <TEntity>(TEntity entity, bool needsDetectChanges)
where TEntity : class, ISomeEntity
{
using (var context = new KClrContext())
{
var entry = context.Attach(entity).GetInfrastructure();
var nameProperty = entry.EntityType.FindProperty("Name");
Assert.False(entry.IsModified(nameProperty));
Assert.Equal(EntityState.Unchanged, entry.EntityState);
entity.Name = "Kool";
Assert.False(entry.IsModified(nameProperty));
Assert.Equal(EntityState.Unchanged, entry.EntityState);
entity.Name = "Beans";
if (needsDetectChanges)
{
Assert.False(entry.IsModified(nameProperty));
Assert.Equal(EntityState.Unchanged, entry.EntityState);
context.GetService <IChangeDetector>().DetectChanges(entry);
}
Assert.True(entry.IsModified(nameProperty));
Assert.Equal(EntityState.Modified, entry.EntityState);
}
}
public void AcceptChanges_handles_different_entity_states_for_owned_types(EntityState entityState)
{
using (var context = new KClrContext())
{
var ownerEntry = context.Entry(
new OwnerClass
{
Id = 1,
Owned = new OwnedClass
{
Value = "Kool"
}
}).GetInfrastructure();
var entry = context.Entry(((OwnerClass)ownerEntry.Entity).Owned).GetInfrastructure();
var valueProperty = entry.EntityType.FindProperty(nameof(OwnedClass.Value));
entry.SetEntityState(entityState);
if (entityState != EntityState.Unchanged)
{
entry[valueProperty] = "Pickle";
}
entry.SetOriginalValue(valueProperty, "Cheese");
entry.AcceptChanges();
Assert.Equal(
entityState == EntityState.Deleted || entityState == EntityState.Detached
? EntityState.Detached
: EntityState.Unchanged,
entry.EntityState);
if (entityState == EntityState.Unchanged)
{
Assert.Equal("Kool", entry[valueProperty]);
Assert.Equal("Kool", entry.GetOriginalValue(valueProperty));
}
else
{
Assert.Equal("Pickle", entry[valueProperty]);
Assert.Equal(
entityState == EntityState.Detached || entityState == EntityState.Deleted ? "Cheese" : "Pickle",
entry.GetOriginalValue(valueProperty));
}
}
}
