public void GivenMultipleElementAreInTheModelWhenAnElementIsRemovedThenAllRelationUsingThisElementAreRemoved()
{
DsiRelationModel model = new DsiRelationModel(_elementsDataModel);
Assert.AreEqual(0, model.TotalRelationCount);
IDsiRelation relation1 = model.AddRelation("a", "b", "type1", 1, "");
Assert.IsNotNull(relation1);
IDsiRelation relation2 = model.AddRelation("b", "c", "type2", 2, "");
Assert.IsNotNull(relation2);
IDsiRelation relation3 = model.AddRelation("a", "c", "type3", 3, "");
Assert.IsNotNull(relation3);
Assert.AreEqual(3, model.TotalRelationCount);
_elementsDataModel.RemoveElement(_b);
Assert.AreEqual(1, model.TotalRelationCount);
List <IDsiRelation> relations = model.GetRelations().OrderBy(x => x.Weight).ToList();
Assert.AreEqual(1, relations.Count);
Assert.AreEqual(_a.Id, relations[0].ConsumerId);
Assert.AreEqual(_c.Id, relations[0].ProviderId);
Assert.AreEqual("type3", relations[0].Type);
Assert.AreEqual(3, relations[0].Weight);
}
public void GivenAnElementIsInTheModelWhenRemoveElementIsCalledThenElementIsNotFoundAnymoreByItName()
{
DsiElementModel model = new DsiElementModel();
Assert.AreEqual(0, model.TotalElementCount);
model.ImportElement(1, "name", "type", "source");
IDsiElement foundElementBefore = model.FindElementByName("name");
Assert.IsNotNull(foundElementBefore);
model.RemoveElement(foundElementBefore);
IDsiElement foundElementAfter = model.FindElementByName("name");
Assert.IsNull(foundElementAfter);
}