public void CopyTo_Sets_Foreign_Field()
{
// arrange
var entity = TestHelper.CreateEntityWithId <Artist>(1);
var artistStatisticValues = new ArtistStatisticValues();
var entityCollection = new EntityCollection <ArtistStatisticValues>(entity, "AnotherArtist", "StatisticValues");
// act
entityCollection.CopyTo(new[] { artistStatisticValues }, 0);
// assert
Assert.Equal(artistStatisticValues.AnotherArtist, entity);
}
public void AddCollectionChangedItem_Prevents_Unneccessary_Changes(CollectionChangeType changeType)
{
// arrange
var entity = TestHelper.CreateEntityWithId <Artist>(1);
var propertyChangeTracker = new PropertyChangeTracker(entity);
var oppositeChangeType = changeType == CollectionChangeType.Added ? CollectionChangeType.Removed : CollectionChangeType.Added;
var statisticValue = new ArtistStatisticValues();
// act
propertyChangeTracker.AddCollectionChangedItem(new CollectionChangedItem("StatisticValues", statisticValue, changeType));
propertyChangeTracker.AddCollectionChangedItem(new CollectionChangedItem("StatisticValues", statisticValue, oppositeChangeType));
// assert
Assert.False(propertyChangeTracker.HasChanged <Artist>(x => x.StatisticValues));
}
public void Add_Adds_Collection_Changed_Item()
{
// arrange
var entity = TestHelper.CreateEntityWithId <Artist>(1);
var artistStatisticValues = new ArtistStatisticValues();
var entityCollection = new EntityCollection <ArtistStatisticValues>(entity, "AnotherArtist", "StatisticValues");
TestHelper.SetupEntityMetadataServices();
// act
entityCollection.Add(artistStatisticValues);
// assert
Assert.True(entity.PropertyChangeTracker.HasChanged <Artist>(x => x.StatisticValues));
}
public void GetChildEntities_Returns_Expected_Entities_With_Cascade_SaveDelete()
{
// arrange
var artist = TestHelper.CreateEntityWithId <Artist>(1);
var statisticValue = new ArtistStatisticValues();
var anotherArtist = new Artist();
artist.AnotherArtist = anotherArtist;
artist.StatisticValues.Add(statisticValue);
// act
var result = new EntityService().GetChildEntities(artist, Cascade.SaveDelete);
// assert
Assert.Single(result);
Assert.Contains(result, x => x == artist);
}
public void RemoveAt_Removes_Foreign_Field()
{
// arrange
var entity = TestHelper.CreateEntityWithId <Artist>(1);
var artistStatisticValues = new ArtistStatisticValues();
var entityCollection = new EntityCollection <ArtistStatisticValues>(entity, "SecondArtist", "StatisticValues")
{
artistStatisticValues
};
TestHelper.SetupEntityMetadataServices();
// act
entityCollection.RemoveAt(0);
// assert
Assert.Null(artistStatisticValues.SecondArtist);
}
public void Remove_Removes_Not_When_ReferenceField_Is_Mandatory()
{
// arrange
var entity = TestHelper.CreateEntityWithId <Artist>(1);
var artistStatisticValues = new ArtistStatisticValues();
var entityCollection = new EntityCollection <ArtistStatisticValues>(entity, "AnotherArtist", "StatisticValues")
{
artistStatisticValues
};
TestHelper.SetupEntityMetadataServices();
// act
entityCollection.Remove(artistStatisticValues);
// assert
Assert.NotNull(artistStatisticValues.AnotherArtist);
}
public void DiscardChanges_Work()
{
// arrange
TestHelper.SetupEntityMetadataServices();
var connectionMock = TestHelper.SetupMock <IConnection>();
var session = new Session(connectionMock.Object);
var entity = new Artist();
var statisticValue = new ArtistStatisticValues();
var entityServiceMock = TestHelper.SetupMock <IEntityService>();
entityServiceMock.Setup(s => s.GetChildEntities(entity, Cascade.Save)).Returns(new List <Entity> {
entity
});
entity.Name = "Source";
entity.StatisticValues.Add(statisticValue);
entity.PropertyChangeTracker.Clear();
session.Save(entity);
entity.Name = "Test";
entity.AnotherArtist = new Artist();
entity.StatisticValues.Add(new ArtistStatisticValues());
entity.PropertyChangeTracker.AddPropertyChangedItem <Artist>(x => x.Name, "Source", "Test");
entity.PropertyChangeTracker.AddPropertyChangedItem <Artist>(x => x.AnotherArtist, null, entity.AnotherArtist);
// act
session.DiscardChanges();
// assert
Assert.Equal("Source", entity.Name);
Assert.Null(entity.AnotherArtist);
Assert.Single(entity.StatisticValues, statisticValue);
connectionMock.VerifyAll();
}
public void TryGetRemovedCollectionItems_Can_Get_Removed_Items()
{
// arrange
var entity = TestHelper.CreateEntityWithId <Artist>(1);
var entityCollection = new EntityCollection <ArtistStatisticValues>(entity, "AnotherArtist", "StatisticValues");
var statisticValues = new ArtistStatisticValues();
entity.PropertyChangeTracker.DisableChangeTracking = true;
entityCollection.Add(statisticValues);
entity.PropertyChangeTracker.DisableChangeTracking = false;
entityCollection.Remove(statisticValues);
List <ArtistStatisticValues> listRemovedItems;
// act
var result = entity.PropertyChangeTracker.TryGetRemovedCollectionItems <Artist, ArtistStatisticValues>(x => x.StatisticValues, out listRemovedItems);
// assert
Assert.True(result);
Assert.NotNull(listRemovedItems);
Assert.Equal(statisticValues, listRemovedItems[0]);
}
