public void Get_WrongDataSetId_ReturnsNull()
        {
            var dataset = DataSet.Create("DataSetA");

            DataSetRepository.Add(dataset);

            var result = _manager.Get(Guid.NewGuid());

            Assert.That(result, Is.Null);
        }
        public void Get_GetExistedDataSet_ReturnsDataSet()
        {
            var dataset = DataSet.Create("DataSetA");

            DataSetRepository.Add(dataset);

            var result = _manager.Get(dataset.Id);

            Assert.That(result, Is.EqualTo(dataset));
        }
        public void GetAll_GetAllExistedDataSets_ReturnsDataSetList()
        {
            var datasetA = DataSet.Create("DataSetA");
            var datasetB = DataSet.Create("DataSetB");

            DataSetRepository.Add(datasetA);
            DataSetRepository.Add(datasetB);

            var result = _manager.GetAll();

            Assert.That(result, Is.EquivalentTo(new [] { datasetA, datasetB }));
        }