public async Task GivenASetOfDicomInstances_WhenRetrievingChangeFeed_ThenTheExpectedInstanceAreReturned()
{
var studyInstanceUid = TestUidGenerator.Generate();
var seriesInstanceUid = TestUidGenerator.Generate();
var sopInstanceUids = Enumerable.Range(1, 10).Select(x => TestUidGenerator.Generate()).ToArray();
long initialSequence = -1;
for (int i = 0; i < 10; i++)
{
await CreateFile(studyInstanceUid, seriesInstanceUid, sopInstanceUids[i]);
if (initialSequence == -1)
{
using DicomWebResponse <ChangeFeedEntry> latestResponse = await _client.GetChangeFeedLatest();
ChangeFeedEntry result = await latestResponse.GetValueAsync();
initialSequence = result.Sequence;
Assert.Equal(studyInstanceUid, result.StudyInstanceUid);
Assert.Equal(seriesInstanceUid, result.SeriesInstanceUid);
Assert.Equal(sopInstanceUids[i], result.SopInstanceUid);
Assert.Equal(ChangeFeedAction.Create, result.Action);
Assert.Equal(ChangeFeedState.Current, result.State);
}
}
using (DicomWebAsyncEnumerableResponse <ChangeFeedEntry> response = await _client.GetChangeFeed())
{
Assert.Equal(10, await response.CountAsync());
}
using (DicomWebAsyncEnumerableResponse <ChangeFeedEntry> response = await _client.GetChangeFeed($"?offset={initialSequence - 1}"))
{
ChangeFeedEntry[] changeFeedResults = await response.ToArrayAsync();
Assert.Equal(10, changeFeedResults.Length);
for (int i = 0; i < 10; i++)
{
Assert.Equal(studyInstanceUid, changeFeedResults[i].StudyInstanceUid);
Assert.Equal(seriesInstanceUid, changeFeedResults[i].SeriesInstanceUid);
Assert.Equal(sopInstanceUids[i], changeFeedResults[i].SopInstanceUid);
Assert.NotNull(changeFeedResults[i].Metadata);
}
}
}
public async Task GivenAnInstance_WhenRetrievingChangeFeedWithPartition_ThenPartitionNameIsReturned()
{
var newPartition = TestUidGenerator.Generate();
string studyInstanceUID = TestUidGenerator.Generate();
string seriesInstanceUID = TestUidGenerator.Generate();
string sopInstanceUID = TestUidGenerator.Generate();
DicomFile dicomFile = Samples.CreateRandomDicomFile(studyInstanceUID, seriesInstanceUID, sopInstanceUID);
using DicomWebResponse <DicomDataset> response1 = await _instancesManager.StoreAsync(new[] { dicomFile }, partitionName : newPartition);
Assert.True(response1.IsSuccessStatusCode);
long initialSequence;
using (DicomWebResponse <ChangeFeedEntry> response = await _client.GetChangeFeedLatest("?includemetadata=false"))
{
ChangeFeedEntry changeFeedEntry = await response.GetValueAsync();
initialSequence = changeFeedEntry.Sequence;
Assert.Equal(newPartition, changeFeedEntry.PartitionName);
Assert.Equal(studyInstanceUID, changeFeedEntry.StudyInstanceUid);
Assert.Equal(seriesInstanceUID, changeFeedEntry.SeriesInstanceUid);
Assert.Equal(sopInstanceUID, changeFeedEntry.SopInstanceUid);
}
using (DicomWebAsyncEnumerableResponse <ChangeFeedEntry> response = await _client.GetChangeFeed($"?offset={initialSequence - 1}&includemetadata=false"))
{
ChangeFeedEntry[] changeFeedResults = await response.ToArrayAsync();
Assert.Single(changeFeedResults);
Assert.Null(changeFeedResults[0].Metadata);
Assert.Equal(newPartition, changeFeedResults[0].PartitionName);
Assert.Equal(ChangeFeedState.Current, changeFeedResults[0].State);
}
}