public async Task GivenRetrieveRequestForFrame_WhenResourceIsFound_ThenAuditLogEntriesShouldBeCreated()
{
DicomFile dicomFile = Samples.CreateRandomDicomFileWithPixelData(frames: 1);
var dicomInstance = dicomFile.Dataset.ToInstanceIdentifier();
await _client.StoreAsync(new[] { dicomFile }, dicomInstance.StudyInstanceUid);
await ExecuteAndValidate(
() => _client.RetrieveFramesAsync(dicomInstance.StudyInstanceUid, dicomInstance.SeriesInstanceUid, dicomInstance.SopInstanceUid, frames: new int[] { 1 }),
AuditEventSubType.Retrieve,
$"studies/{dicomInstance.StudyInstanceUid}/series/{dicomInstance.SeriesInstanceUid}/instances/{dicomInstance.SopInstanceUid}/frames/1",
HttpStatusCode.OK);
}
public static Task <DicomWebResponse <IReadOnlyList <Stream> > > RetrieveFramesAsync(
this IDicomWebClient dicomWebClient,
string studyInstanceUid,
string seriesInstanceUid,
string sopInstanceUid,
string mediaType = DicomWebConstants.ApplicationOctetStreamMediaType,
string dicomTransferSyntax = DicomWebConstants.OriginalDicomTransferSyntax,
int[] frames = null,
CancellationToken cancellationToken = default)
{
var requestUri = new Uri(string.Format(DicomWebConstants.BaseRetrieveFramesUriFormat, studyInstanceUid, seriesInstanceUid, sopInstanceUid, string.Join("%2C", frames)), UriKind.Relative);
return(dicomWebClient.RetrieveFramesAsync(requestUri, mediaType, dicomTransferSyntax, cancellationToken));
}
public async Task GivenInstanceWithFrames_WhenRetrieveRequestForNonExistingFrameInInstance_ThenServerShouldReturnNotFound()
{
(InstanceIdentifier identifier, DicomFile file) = await CreateAndStoreDicomFile(2);
DicomWebException exception = await Assert.ThrowsAsync <DicomWebException>(
() => _client.RetrieveFramesAsync(identifier.StudyInstanceUid, identifier.SeriesInstanceUid, identifier.SopInstanceUid, dicomTransferSyntax: "*", frames: new[] { 4 }));
Assert.Equal(HttpStatusCode.NotFound, exception.StatusCode);
}
public static async Task <DicomWebAsyncEnumerableResponse <Stream> > RetrieveFramesAsync(
this IDicomWebClient dicomWebClient,
string studyInstanceUid,
string seriesInstanceUid,
string sopInstanceUid,
string mediaType = DicomWebConstants.ApplicationOctetStreamMediaType,
string dicomTransferSyntax = DicomWebConstants.OriginalDicomTransferSyntax,
int[] frames = null,
CancellationToken cancellationToken = default)
{
EnsureArg.IsNotNull(dicomWebClient, nameof(dicomWebClient));
EnsureArg.IsNotNullOrWhiteSpace(studyInstanceUid, nameof(studyInstanceUid));
EnsureArg.IsNotNullOrWhiteSpace(seriesInstanceUid, nameof(seriesInstanceUid));
EnsureArg.IsNotNullOrWhiteSpace(sopInstanceUid, nameof(sopInstanceUid));
var requestUri = new Uri(string.Format(DicomWebConstants.BaseRetrieveFramesUriFormat, studyInstanceUid, seriesInstanceUid, sopInstanceUid, string.Join("%2C", frames)), UriKind.Relative);
return(await dicomWebClient.RetrieveFramesAsync(requestUri, mediaType, dicomTransferSyntax, cancellationToken).ConfigureAwait(false));
}
public async Task GivenInputAndOutputTransferSyntax_WhenRetrieveFrame_ThenServerShouldReturnExpectedContent(string testDataFolder, string mediaType, string transferSyntax)
{
TranscoderTestData transcoderTestData = TranscoderTestDataHelper.GetTestData(testDataFolder);
DicomFile inputDicomFile = await DicomFile.OpenAsync(transcoderTestData.InputDicomFile);
int numberOfFrames = DicomPixelData.Create(inputDicomFile.Dataset).NumberOfFrames;
string studyInstanceUid = inputDicomFile.Dataset.GetString(DicomTag.StudyInstanceUID);
string seriesInstanceUid = inputDicomFile.Dataset.GetString(DicomTag.SeriesInstanceUID);
string sopInstanceUid = inputDicomFile.Dataset.GetString(DicomTag.SOPInstanceUID);
DicomWebResponse <IEnumerable <DicomDataset> > tryQuery = await _client.QueryAsync(
$"/studies/{studyInstanceUid}/series/{seriesInstanceUid}/instances?SOPInstanceUID={sopInstanceUid}");
if (tryQuery.StatusCode == HttpStatusCode.OK)
{
await _client.DeleteStudyAsync(studyInstanceUid);
}
await _client.StoreAsync(new[] { inputDicomFile });
DicomWebResponse <IReadOnlyList <Stream> > response = await _client.RetrieveFramesAsync(
studyInstanceUid : studyInstanceUid,
seriesInstanceUid : seriesInstanceUid,
sopInstanceUid : sopInstanceUid,
mediaType : mediaType,
dicomTransferSyntax : transferSyntax,
frames : GenerateFrames(numberOfFrames),
cancellationToken : _defaultCancellationToken);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
string byteStreamHash = TranscoderTestDataHelper.GetHashFromStream(response.Value[0]);
Assert.Equal(transcoderTestData.MetaData.OutputFramesHashCode, byteStreamHash);
await _client.DeleteStudyAsync(studyInstanceUid);
}