public async Task GivenSpecificTransferSyntax_WhenRetrieveRequestForStudy_ThenInstancesInStudyAreTranscodedSuccesfully()
{
// Add multiple instances to validate that we return the requested instance and ignore the other(s).
List <VersionedInstanceIdentifier> versionedInstanceIdentifiers = SetupInstanceIdentifiersList(ResourceType.Study);
// For each instance identifier, set up the fileStore to return a stream containing a file associated with the identifier.
var streamsAndStoredFiles = versionedInstanceIdentifiers.Select(
x => StreamAndStoredFileFromDataset(GenerateDatasetsFromIdentifiers(x)).Result).ToList();
streamsAndStoredFiles.ForEach(x => _fileStore.GetFileAsync(x.Key.Dataset.ToVersionedInstanceIdentifier(0), DefaultCancellationToken).Returns(x.Value));
string transferSyntax = "1.2.840.10008.1.2.1";
streamsAndStoredFiles.ForEach(x => _retrieveTranscoder.TranscodeFileAsync(x.Value, transferSyntax).Returns(x.Value));
RetrieveResourceResponse response = await _retrieveResourceService.GetInstanceResourceAsync(
new RetrieveResourceRequest(_studyInstanceUid, new[] { AcceptHeaderHelpers.CreateAcceptHeaderForGetStudy(transferSyntax: transferSyntax) }),
DefaultCancellationToken);
// Validate response status code and ensure response streams have expected files - they should be equivalent to what the store was set up to return.
ValidateResponseStreams(streamsAndStoredFiles.Select(x => x.Key), response.ResponseStreams);
// Validate dicom request is populated with correct transcode values
ValidateDicomRequestIsPopulated(true, response.ResponseStreams.Sum(s => s.Length));
// Dispose created streams.
streamsAndStoredFiles.ToList().ForEach(x => x.Value.Dispose());
}
public void GivenNoMatchedAcceptHeaders_WhenGetTransferSyntax_ThenShouldThrowNotAcceptableException()
{
// Use content type that GetStudy doesn't support
AcceptHeader acceptHeader = AcceptHeaderHelpers.CreateAcceptHeaderForGetStudy(mediaType: KnownContentTypes.ImageJpeg);
AcceptHeaderDescriptor acceptHeaderDescriptor;
Assert.ThrowsAny <NotAcceptableException>(() => _handler.GetTransferSyntax(ResourceType.Study, new[] { acceptHeader }, out acceptHeaderDescriptor));
}
public async Task GivenStoredInstances_WhenRetrieveRequestForStudy_ThenInstancesInStudyAreRetrievedSuccesfully()
{
List <DicomDataset> datasets = new List <DicomDataset>();
datasets.AddRange(await GenerateDicomDatasets(_firstSeriesInstanceUid, 2, true));
datasets.AddRange(await GenerateDicomDatasets(_secondSeriesInstanceUid, 1, true));
RetrieveResourceResponse response = await _retrieveResourceService.GetInstanceResourceAsync(
new RetrieveResourceRequest(_studyInstanceUid, new[] { AcceptHeaderHelpers.CreateAcceptHeaderForGetStudy() }),
_defaultCancellationToken);
ValidateResponseDicomFiles(response.ResponseStreams, datasets.Select(ds => ds));
}
public async Task GivenStoredInstances_WhenRetrieveRequestForStudy_ThenInstancesInStudyAreRetrievedSuccesfully()
{
// Add multiple instances to validate that we return the requested instance and ignore the other(s).
List <VersionedInstanceIdentifier> versionedInstanceIdentifiers = SetupInstanceIdentifiersList(ResourceType.Study);
// For each instance identifier, set up the fileStore to return a stream containing a file associated with the identifier.
List <KeyValuePair <DicomFile, Stream> > streamsAndStoredFiles = versionedInstanceIdentifiers.Select(
x => StreamAndStoredFileFromDataset(GenerateDatasetsFromIdentifiers(x)).Result).ToList();
streamsAndStoredFiles.ForEach(x => _fileStore.GetFileAsync(x.Key.Dataset.ToVersionedInstanceIdentifier(0), _defaultCancellationToken).Returns(x.Value));
RetrieveResourceResponse response = await _retrieveResourceService.GetInstanceResourceAsync(
new RetrieveResourceRequest(_studyInstanceUid, new[] { AcceptHeaderHelpers.CreateAcceptHeaderForGetStudy() }),
_defaultCancellationToken);
// Validate response status code and ensure response streams have expected files - they should be equivalent to what the store was set up to return.
ValidateResponseStreams(streamsAndStoredFiles.Select(x => x.Key), response.ResponseStreams);
// Dispose created streams.
streamsAndStoredFiles.ToList().ForEach(x => x.Value.Dispose());
}
public async Task GivenStoredInstancesWithMissingFile_WhenRetrieveRequestForStudy_ThenNotFoundIsThrown()
{
await GenerateDicomDatasets(_firstSeriesInstanceUid, 1, true);
await GenerateDicomDatasets(_firstSeriesInstanceUid, 1, false);
await GenerateDicomDatasets(_secondSeriesInstanceUid, 1, true);
await Assert.ThrowsAsync <ItemNotFoundException>(() => _retrieveResourceService.GetInstanceResourceAsync(
new RetrieveResourceRequest(_studyInstanceUid, new[] { AcceptHeaderHelpers.CreateAcceptHeaderForGetStudy() }),
_defaultCancellationToken));
}
public async Task GivenNoStoredInstances_WhenRetrieveRequestForStudy_ThenNotFoundIsThrown()
{
await Assert.ThrowsAsync <InstanceNotFoundException>(() => _retrieveResourceService.GetInstanceResourceAsync(
new RetrieveResourceRequest(_studyInstanceUid, new[] { AcceptHeaderHelpers.CreateAcceptHeaderForGetStudy() }),
_defaultCancellationToken));
}
public async Task GivenStoredInstancesWhereOneIsMissingFile_WhenRetrieveRequestForStudy_ThenNotFoundIsThrown()
{
List <VersionedInstanceIdentifier> versionedInstanceIdentifiers = SetupInstanceIdentifiersList(ResourceType.Study);
// For each instance identifier but the last, set up the fileStore to return a stream containing a file associated with the identifier.
versionedInstanceIdentifiers.SkipLast(1).Select(x => _fileStore.GetFileAsync(x, DefaultCancellationToken).Returns(
StreamAndStoredFileFromDataset(GenerateDatasetsFromIdentifiers(x), frames: 0, disposeStreams: true).Result.Value));
// For the last identifier, set up the fileStore to throw a store exception with the status code 404 (NotFound).
_fileStore.GetFileAsync(versionedInstanceIdentifiers.Last(), DefaultCancellationToken).Throws(new InstanceNotFoundException());
await Assert.ThrowsAsync <InstanceNotFoundException>(() => _retrieveResourceService.GetInstanceResourceAsync(
new RetrieveResourceRequest(_studyInstanceUid, new[] { AcceptHeaderHelpers.CreateAcceptHeaderForGetStudy() }),
DefaultCancellationToken));
}
public async Task GivenNoStoredInstances_WhenRetrieveRequestForStudy_ThenNotFoundIsThrown()
{
_instanceStore.GetInstanceIdentifiersInStudyAsync(_studyInstanceUid).Returns(new List <VersionedInstanceIdentifier>());
await Assert.ThrowsAsync <InstanceNotFoundException>(() => _retrieveResourceService.GetInstanceResourceAsync(
new RetrieveResourceRequest(_studyInstanceUid, new[] { AcceptHeaderHelpers.CreateAcceptHeaderForGetStudy() }),
DefaultCancellationToken));
}