public void TestDeleteNotInUse()
{
DifficultyLevel level = _dataGenerator.CreateDifficultyLevel();
IDifficultyLevelDao dao = new DifficultyLevelDao(_graphClient);
dao.Delete(level);
}
public void TestDeleteInUse()
{
DifficultyLevel level = _dataGenerator.CreateDifficultyLevel();
Variation variation = _dataGenerator.CreateVariation(difficultyLevel: level);
IDifficultyLevelDao dao = new DifficultyLevelDao(_graphClient);
Action action = () => dao.Delete(level);
action.ShouldThrow <NodeInUseException>();
}