public void GetStudyByIDAsync_NullIdentifier_ThrowsException()
        {
            // Arrange
            MockProvider mockProvider = new MockProvider();
            StudyInfoProvider studyInfoProvider = new StudyInfoProvider(mockProvider.GetDicomQueryProviderForStudiesFake(), mockProvider.GetDicomDownloaderForStudiesFake());

            // Act
            AggregateException exception = studyInfoProvider.GetStudyByIDAsync(null).Exception;

            // Assert
            Assert.That(exception.InnerExceptions.First(), Is.TypeOf<ArgumentNullException>());
        }
        public async void GetStudyByIDAsync_FromServer_ProperQueryIsCreated()
        {
            // Arrange
            MockProvider mockProvider = new MockProvider();
            var queryProvider = mockProvider.GetDicomQueryProviderForStudiesFake();
            var dataLoader = Substitute.For<IDicomDataLoader<StudyInfo>>();
            var whereCollection = Substitute.For<IWhereCollection<StudyInfo>>();
            var query = Substitute.For<DicomQuery<StudyInfo>>(mockProvider.GetGeneralizedInfoProviderFake(), dataLoader, whereCollection);
            queryProvider.GetDicomQuery().Returns(query);

            StudyInfoProvider studyInfoProvider = new StudyInfoProvider(queryProvider, mockProvider.GetDicomDownloaderForStudiesFake());

            // Act
            await studyInfoProvider.GetStudyByIDAsync("1.2.3");

            // Assert
            Assert.That(() => whereCollection.Received(1).WhereEquals(DicomTags.StudyInstanceUID, "1.2.3"), Throws.Nothing);
        }